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full-stack software engineer Jobs in Utrecht

full-stack software engineer

backend engineer

Keylane

<div><p>We are looking for a Senior Backend Engineer to join our AI Integrations team and help build the backend services, integrations, and data capabilities that enable innovative new solutions within our products.</p><p>
You will work on scalable Java applications, event-driven architectures, and data-intensive integrations that connect business processes with intelligent services. If you enjoy solving complex technical challenges, collaborating with skilled engineers, and exploring new technologies, we'd like to meet you.</p><p><b>
Key about your role</b></p><p>
As a Senior Backend Engineer &ndash; AI Integrations, you will help build and maintain the backend services that enable new capabilities within our insurance platform. Working primarily in Java, you will design and develop scalable integrations that connect business processes, data platforms, and intelligent services. You enjoy solving complex technical challenges and building reliable solutions that can operate at scale.</p><p>
In this role, you will work extensively with integration patterns, distributed systems, and event-driven architectures. You will contribute to the design and implementation of data flows that support both operational processes and data-driven use cases. While this is not an AI specialist role, you are interested in emerging technologies and enjoy exploring how intelligent services can create value for customers.</p><p>
You will collaborate closely with Software Engineers, Product Owners, Architects, and other specialists in an agile environment. We are looking for someone who enjoys working as part of a team, shares ideas openly, and contributes to creating high-quality solutions together.</p><p><b>
Key about your team</b></p><p>
You will join the AI Integrations team within our insurance domain. This team focuses on building and maintaining integrations that enable intelligent capabilities across our products and services.</p><p>
The team consists of experienced engineers working in a collaborative and agile environment where experimentation, knowledge sharing, and continuous improvement are encouraged. Together, you will tackle complex integration challenges, explore emerging technologies, and help shape the future of our software landscape.</p><p>
Check out our blog posts and videos to see what it is like to work at Keylane.</p><b><br>
Requirements</b><p><br>
You are an experienced backend engineer who enjoys working on complex systems and solving technical challenges together with others. You combine strong software engineering fundamentals with curiosity about emerging technologies and modern integration patterns.</p><ul><li>
At least 5 years of experience in backend software development.</li><li>
Strong professional experience with Java and enterprise application development.</li><li>
Experience designing and building distributed systems and integrations.</li><li>
Hands-on experience with event-driven architectures and messaging platforms, such as: NATS, Kafka</li><li>
Experience designing and implementing data pipelines and data flows.</li><li>
Experience working with SQL and large-scale data platforms.</li><li>
Experience modelling and exposing data for analytical or AI-driven use cases</li><li>
Experience working in Agile development teams.</li><li>
Experience building cloud-native solutions, preferably on Microsoft Azure.</li><li>
Contribute to architectural decisions and help establish engineering standards and best practices within the team.</li></ul><p></p><p><b><br>
The Tech Stack Must Haves</b></p><ul><li>
Java
</li><li>Spring Boot
</li><li>Event-driven architectures
</li><li>Kafka / Event Hubs / Service Bus
</li><li>REST APIs
</li><li>SQL
</li><li>Distributed systems
</li><li>Cloud (Azure preferred)
</li></ul><p><b>Nice to Haves</b></p><ul><li>
Data engineering
</li><li>AI / LLM integrations
</li><li>Container platforms (Docker/Kubernetes)
</li><li>Temporal.io</li><li>
NATS</li><li>
Experience with columnar data formats like Parquet or Apache Arrow&quot;
</li><li>Experience with Query Engines (e.g. DuckDB, Datafusion)</li><li>
Insurance or Pension domain</li></ul><p></p><p><i>
A Certificate of Conduct (VOG) and reference check are part of the application process.</i></p><p><i>
Each employee within Keylane must follow training on information security and irrespective of the role, basic information security responsibilities apply.</i></p><b><br>
Benefits</b><br>
<ul><li><ul><li>
A monthly gross salary between &euro; 4300 and &euro;6300 based on 40 hours per week;</li></ul></li><li><ul><li>
8% holiday allowance of your total gross salary;</li></ul></li><li><ul><li>
A profit share;</li></ul></li><li><ul><li>
A pension scheme, with the option to save extra;</li></ul></li><li><ul><li>
Travel reimbursement: Receive a mileage allowance of &euro;0.23 per km or an NS Business Card, which can also be used for personal travel;</li></ul></li><li><ul><li>
24 holiday days (with the option to buy extra) and 7 inclusion days, which can be exchanged with fixed Dutch national holidays, allowing you to take them when you like;</li></ul></li><li><ul><li>
Flexibility in working environment. As part of a hybrid working team, you will work partly from home and partly from the office. If you work in the office, a free lunch is waiting for you every day. If you work from home, you will receive a working from home allowance (&euro;4 net per day) and internet allowance (&euro;35 net per month);</li></ul></li><li><ul><li>
The possibility of working remotely from abroad for up to 2 months per year;</li></ul></li><li><ul><li>
The possibility to lease a bike through our bike leasing program;</li></ul></li><li><ul><li>
A one-year contract that, subject to satisfactory performance, will be converted into a permanent contract;</li></ul></li><li><ul><li>
The opportunity to develop yourself at our Academy through courses and training, both professionally and personally;</li></ul></li><li><ul><li>
A comprehensive vitality offer to help you stay healthy;</li></ul></li><li><ul><li>
An active and fun community of Keylaners. We also have after-work drinks at our in-house pub every Thursday.</li></ul></li></ul></div>

Senior Java Software Engineer - AI Integrations

Cordys Analytics

<div><p>At Cordys Analytics, we&rsquo;re building the infrastructure that enables scalable, reliable AI-driven cardiovascular diagnostics across European healthcare systems. Our platform helps clinicians detect structural and functional cardiac conditions directly from standard ECGs, including heart failure, myocardial infarction, and arrhythmias, enabling earlier and more accurate diagnosis at scale.</p><p>
We&rsquo;re looking for a strong all-round software engineer who enjoys solving problems across the stack and taking real ownership of systems in production. You&rsquo;ll work on everything from backend services and frontend applications to cloud infrastructure, integrations, and AI deployment pipelines. This is not a role where you work on isolated tickets. You&rsquo;ll help shape architecture decisions, build production systems end to end, and directly influence how the platform evolves.</p><p>
We are a small engineering team with a high technical bar. The systems we build operate in a regulated medical environment, so reliability, traceability, and engineering quality are fundamental parts of how we work. If you enjoy combining strong software engineering with real-world clinical impact, we&rsquo;d like to hear from you.</p><p></p><p>
<b>What you&rsquo;ll work on</b></p><ul><li>
Design, build, test, and maintain production software across the full stack.</li><li>
Develop backend systems and infrastructure using technologies such as Python (for signal processing and machine learning), Typescript/Node and Rust (for the backend), Bazel, and Terraform (for infrastructure as code).</li><li>
Build frontend applications using TypeScript/React.</li><li>
Help design and maintain the cloud infrastructure and deployment workflows supporting our AI platform.</li><li>
Bring AI models and data pipelines into reliable, scalable production environments.</li><li>
Build integrations with external systems, APIs, and healthcare platforms.</li><li>
Contribute to engineering quality, validation, and documentation processes required for production-grade medical software.</li><li>
Collaborate closely with AI engineers, clinicians, and product colleagues to bring new functionality into production.</li></ul><p>
</p><p><b>Why engineers like working here</b></p><ul><li>
Real ownership over architecture and technical decisions.</li><li>
Small engineering team with high autonomy and little bureaucracy.</li><li>
Complex production systems and AI deployment workflows.</li><li>
Engineering challenges around reliability, observability, scalability, and compliance.</li><li>
Opportunity to work across the entire stack instead of a narrow silo.</li><li>
Direct collaboration with AI researchers and clinicians.</li><li>
Software that directly affects patient care in production environments.</li></ul><br>
<b>
Requirements</b><p><br>
<b>What we&rsquo;re looking for</b></p><ul><li>
Citizenship in an EU/EEA member state or possession of a valid Dutch work permit.</li><li>
Currently based in the Netherlands or open to relocating.</li><li>
Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Software Engineering, Artificial Intelligence, or a related technical field.</li><li>
5+ years of professional software engineering experience.</li><li>
Comfortable working across multiple layers of the stack.</li><li>
Strong engineering mindset with a pragmatic, hands-on approach.</li><li>
Interest in AI systems, distributed infrastructure, and data-intensive applications.</li><li>
Ability to work independently and take ownership of technical decisions.</li></ul><p>
</p><p><b>Nice to have</b></p><ul><li>
Experience with parts of our stack (Python, Rust, TypeScript/React, Terraform, cloud-native infrastructure).</li><li>
Experience with AI/ML systems, MLOps, or production data pipelines.</li><li>
Experience in health tech, medtech, or other regulated environments.</li><li>
Familiarity with standards such as ISO 13485, IEC 62304, or ISO 27001.</li><li>
Startup or scale-up experience.</li><li>
Experience with DevOps, CI/CD, observability, and infrastructure management.</li></ul><br>
<b>
Benefits</b><p><br>
<b>What we offer</b></p><ul><li>
Competitive salary.</li><li>
Meaningful technical ownership and influence over architecture and product direction.</li><li>
The opportunity to build next-generation AI infrastructure with direct clinical impact.</li><li>
A highly motivated, experienced, and ambitious team.</li><li>
Flexible working hours and part-time options (32&ndash;36 hours).</li><li>
Hybrid/remote work possibilities.</li><li>
Office space at UtrechtInc on the Utrecht Science Park.</li><li>
25 vacation days plus public holidays.</li></ul><p>
</p><p><b>Diversity &amp; inclusion</b></p><p>
We value diversity of background, experience, and perspective, and strongly encourage women and underrepresented groups in technology to apply.</p></div>

Full-Stack Software Engineer

<div>
 At Cordys Analytics, we're building the infrastructure that enables scalable, reliable AI-driven cardiovascular diagnostics across European healthcare systems. Our platform helps clinicians detect structural and functional cardiac conditions directly from standard ECGs, including heart failure, myocardial infarction, and arrhythmias, enabling earlier and more accurate diagnosis at scale.
 <br/>
 <br/>
 We're looking for a strong all-round software engineer who enjoys solving problems across the stack and taking real ownership of systems in production. You'll work on everything from backend services and frontend applications to cloud infrastructure, integrations, and AI deployment pipelines. This is not a role where you work on isolated tickets. You'll help shape architecture decisions, build production systems end to end, and directly influence how the platform evolves.
 <br/>
 <br/>
 We are a small engineering team with a high technical bar. The systems we build operate in a regulated medical environment, so reliability, traceability, and engineering quality are fundamental parts of how we work. If you enjoy combining strong software engineering with real-world clinical impact, we'd like to hear from you.
 <br/>
 <br/>
 <strong>
  What You'll Work On
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Design, build, test, and maintain production software across the full stack
  </li>
  <li>
   Develop backend systems and infrastructure using technologies such as Python (for signal processing and machine learning), Typescript/Node and Rust (for the backend), Bazel, and Terraform (for infrastructure as code)
  </li>
  <li>
   Build frontend applications using TypeScript/React
  </li>
  <li>
   Help design and maintain the cloud infrastructure and deployment workflows supporting our AI platform
  </li>
  <li>
   Bring AI models and data pipelines into reliable, scalable production environments
  </li>
  <li>
   Build integrations with external systems, APIs, and healthcare platforms
  </li>
  <li>
   Contribute to engineering quality, validation, and documentation processes required for production-grade medical software
  </li>
  <li>
   Collaborate closely with AI engineers, clinicians, and product colleagues to bring new functionality into production
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Why engineers like working here
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Real ownership over architecture and technical decisions
  </li>
  <li>
   Small engineering team with high autonomy and little bureaucracy
  </li>
  <li>
   Complex production systems and AI deployment workflows
  </li>
  <li>
   Engineering challenges around reliability, observability, scalability, and compliance
  </li>
  <li>
   Opportunity to work across the entire stack instead of a narrow silo
  </li>
  <li>
   Direct collaboration with AI researchers and clinicians
  </li>
  <li>
   Software that directly affects patient care in production environments
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Requirements
  <br/>
  <br/>
 </strong>
 <strong>
  What we're looking for
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Citizenship in an EU/EEA member state or possession of a valid Dutch work permit
  </li>
  <li>
   Currently based in the Netherlands or open to relocating
  </li>
  <li>
   Bachelor's or Master's degree in Computer Science, Software Engineering, Artificial Intelligence, or a related technical field
  </li>
  <li>
   5+ years of professional software engineering experience
  </li>
  <li>
   Comfortable working across multiple layers of the stack
  </li>
  <li>
   Strong engineering mindset with a pragmatic, hands-on approach
  </li>
  <li>
   Interest in AI systems, distributed infrastructure, and data-intensive applications
  </li>
  <li>
   Ability to work independently and take ownership of technical decisions
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Nice to have
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Experience with parts of our stack (Python, Rust, TypeScript/React, Terraform, cloud-native infrastructure)
  </li>
  <li>
   Experience with AI/ML systems, MLOps, or production data pipelines
  </li>
  <li>
   Experience in health tech, medtech, or other regulated environments
  </li>
  <li>
   Familiarity with standards such as ISO 13485, IEC 62304, or ISO 27001
  </li>
  <li>
   Startup or scale-up experience
  </li>
  <li>
   Experience with DevOps, CI/CD, observability, and infrastructure management
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Benefits
  <br/>
  <br/>
 </strong>
 <strong>
  What we offer
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Competitive salary
  </li>
  <li>
   Meaningful technical ownership and influence over architecture and product direction
  </li>
  <li>
   The opportunity to build next-generation AI infrastructure with direct clinical impact
  </li>
  <li>
   A highly motivated, experienced, and ambitious team
  </li>
  <li>
   Flexible working hours and part-time options (32-36 hours)
  </li>
  <li>
   Hybrid/remote work possibilities
  </li>
  <li>
   Office space at UtrechtInc on the Utrecht Science Park
  </li>
  <li>
   25 vacation days plus public holidays
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Diversity &amp; inclusion
  <br/>
  <br/>
 </strong>
 We value diversity of background, experience, and perspective, and strongly encourage women and underrepresented groups in technology to apply.
</div>


<div>
 At Keylane, we are transforming how insurers and pension providers serve millions of customers and participants across Europe. As the leading European SaaS provider for the insurance and pension industry, we are investing heavily in AI capabilities that help our customers work smarter, faster, and more efficiently.
 <br/>
 <br/>
 We are looking for a Senior Software Engineer (AI &amp; Orchestration) to help turn innovative ideas into scalable, production-ready solutions. In this role, you will combine strong backend engineering expertise with architectural thinking, helping shape the technical foundations that enable AI capabilities across Keylane. If you enjoy solving complex technical challenges, investigating new technologies, and turning prototypes into reliable software, we'd like to meet you.
 <br/>
 <br/>
 <strong>
  Key About Your Role
  <br/>
  <br/>
 </strong>
 As a Senior Software Engineer (AI &amp; Orchestration), you will play a key role in turning innovative ideas into scalable, production-ready solutions. While you will be part of Keylane's AI team, your focus will be on the backend services, integrations, and platform capabilities that enable AI-powered functionality across our products.
 <br/>
 <br/>
 Working closely with architects, software engineers, and AI specialists, you will investigate new technologies, validate architectural approaches, and develop prototypes that help shape technical direction across Keylane. You will be trusted to take ownership of complex technical challenges, translating open questions into practical recommendations and working solutions.
 <br/>
 <br/>
 You will design and build backend services that support AI capabilities and their integration into Keylane's core systems. This includes developing scalable APIs, integration services, and cloud-native applications using technologies such as Java, Spring Boot, Python, Azure, and modern development tooling. You will contribute to architectural discussions around distributed systems, event-driven integration patterns, security, observability, and platform engineering, helping ensure solutions are scalable, secure, and reliable in production.
 <br/>
 <br/>
 As a senior engineer, you will actively mentor colleagues, contribute to design discussions, and help raise engineering standards through code reviews, knowledge sharing, and technical leadership. This role offers the opportunity to influence technical direction across Keylane while growing towards broader architectural responsibilities over time.
 <br/>
 <br/>
 <strong>
  Key About Your Team
  <br/>
  <br/>
 </strong>
 You will join Keylane's AI team, a growing group focused on enabling and accelerating AI innovation across the organization. The team works closely with product development teams, architects, and engineering specialists to explore new opportunities and deliver AI-powered capabilities that create value for our customers.
 <br/>
 <br/>
 The team combines experimentation with engineering discipline. New ideas are encouraged, but success is measured by the ability to turn those ideas into reliable, maintainable solutions that can operate at scale. You will work with experienced colleagues who enjoy solving challenging technical problems and sharing knowledge across the organization.
 <br/>
 <br/>
 Check out our blog posts and videos to see what it is like to work at Keylane.
 <br/>
 <br/>
 <strong>
  Requirements
  <br/>
  <br/>
 </strong>
 You enjoy solving complex technical challenges and are comfortable working in environments where not every answer is known upfront. You combine strong software engineering fundamentals with curiosity, pragmatism, and a desire to continuously improve both technology and ways of working.
 <br/>
 <br/>
 You bring:
 <br/>
 <br/>
 <ul>
  <li>
   At least 5 years of professional software development experience;
  </li>
  <li>
   Experience developing services and integrations using Python;
  </li>
  <li>
   Experience designing and developing scalable software solutions in cloud-based environments, preferably within Microsoft Azure;
  </li>
  <li>
   A solid understanding of distributed systems, API design, integration patterns, and event-driven architectures;
  </li>
  <li>
   Experience designing and securing REST APIs, including authentication and authorization standards such as OAuth2 and OpenID Connect;
  </li>
  <li>
   Experience leading technical investigations, proof of concepts, or prototypes and translating findings into practical recommendations;
  </li>
  <li>
   Strong analytical and problem-solving skills;
  </li>
  <li>
   Excellent written and verbal communication skills, including the ability to communicate technical concepts clearly to different audiences;
  </li>
  <li>
   A collaborative mindset and passion for mentoring and knowledge sharing;
  </li>
  <li>
   Fluency in English, both written and spoken.
   <br/>
   <br/>
  </li>
 </ul>
 It would be great if you also have experience with technologies and concepts such as Java, Kubernetes, Docker, Kafka, Azure Service Bus, AI-enabled development tools, or AI platform technologies. Experience within a regulated environment such as insurance, pensions, banking, or financial services is considered a plus.
 <br/>
 <br/>
 <em>
  A Certificate of Conduct (VOG) and reference check are part of the application process.
  <br/>
  <br/>
 </em>
 <em>
  Each employee within Keylane must follow training on information security and irrespective to the role basic information security responsibilities apply.
  <br/>
  <br/>
 </em>
 <strong>
  Benefits
  <br/>
  <br/>
 </strong>
 <em>
  Benefits based on a Dutch contract, may be subject to change for international candidates
  <br/>
  <br/>
 </em>
 <ul>
  <li>
   A monthly gross salary between &euro; 5.200 and &euro;7.500 based on 40 hours per week;
  </li>
  <li>
   8% holiday allowance of your total gross salary;
  </li>
  <li>
   A profit share;
  </li>
  <li>
   A pension scheme, with the option to save extra;
  </li>
  <li>
   Travel reimbursement: Receive a mileage allowance of &euro;0.23 per km or an NS Business Card, which can also be used for personal travel;
  </li>
  <li>
   24 holiday days (with the option to buy extra) and 7 inclusion days, which can be exchanged with fixed Dutch national holidays, allowing you to take them when you like;
  </li>
  <li>
   Flexibility in working environment. As part of a hybrid working team, you will work partly from home and partly from the office. If you work in the office, a free lunch is waiting for you every day. If you work from home, you will receive a working from home allowance (&euro;4 net per day) and internet allowance (&euro;35 net per month);
  </li>
  <li>
   The possibility of working remotely from abroad for up to 2 months per year;
  </li>
  <li>
   The possibility to lease a bike through our bike leasing program;
  </li>
  <li>
   A one-year contract that, subject to satisfactory performance, will be converted into a permanent contract;
  </li>
  <li>
   The opportunity to develop yourself at our Academy through courses and training, both professionally and personally;
  </li>
  <li>
   A comprehensive vitality offer to help you stay healthy;
  </li>
  <li>
   An active and fun community of Keylaners. We also have after-work drinks at our in-house pub every Thursday.
  </li>
 </ul>
</div>


Senior Software Engineer (AI & Orchestration)

<div><p>At Keylane, we are transforming how insurers and pension providers serve millions of customers and participants across Europe. As the leading European SaaS provider for the insurance and pension industry, we are investing heavily in AI capabilities that help our customers work smarter, faster, and more efficiently.</p><p>
We are looking for a Senior Software Engineer (AI &amp; Orchestration) to help turn innovative ideas into scalable, production-ready solutions. In this role, you will combine strong backend engineering expertise with architectural thinking, helping shape the technical foundations that enable AI capabilities across Keylane. If you enjoy solving complex technical challenges, investigating new technologies, and turning prototypes into reliable software, we'd like to meet you.</p><p><b>
Key about your role</b></p><p>
As a Senior Software Engineer (AI &amp; Orchestration), you will play a key role in turning innovative ideas into scalable, production-ready solutions. While you will be part of Keylane's AI team, your focus will be on the backend services, integrations, and platform capabilities that enable AI-powered functionality across our products.</p><p>
Working closely with architects, software engineers, and AI specialists, you will investigate new technologies, validate architectural approaches, and develop prototypes that help shape technical direction across Keylane. You will be trusted to take ownership of complex technical challenges, translating open questions into practical recommendations and working solutions.</p><p>
You will design and build backend services that support AI capabilities and their integration into Keylane's core systems. This includes developing scalable APIs, integration services, and cloud-native applications using technologies such as Java, Spring Boot, Python, Azure, and modern development tooling. You will contribute to architectural discussions around distributed systems, event-driven integration patterns, security, observability, and platform engineering, helping ensure solutions are scalable, secure, and reliable in production.</p><p>
As a senior engineer, you will actively mentor colleagues, contribute to design discussions, and help raise engineering standards through code reviews, knowledge sharing, and technical leadership. This role offers the opportunity to influence technical direction across Keylane while growing towards broader architectural responsibilities over time.</p><p><b>
Key about your team</b></p><p>
You will join Keylane's AI team, a growing group focused on enabling and accelerating AI innovation across the organization. The team works closely with product development teams, architects, and engineering specialists to explore new opportunities and deliver AI-powered capabilities that create value for our customers.</p><p>
The team combines experimentation with engineering discipline. New ideas are encouraged, but success is measured by the ability to turn those ideas into reliable, maintainable solutions that can operate at scale. You will work with experienced colleagues who enjoy solving challenging technical problems and sharing knowledge across the organization.</p><p>
Check out our blog posts and videos to see what it is like to work at Keylane.</p><b><br>
Requirements</b><p><br>
You enjoy solving complex technical challenges and are comfortable working in environments where not every answer is known upfront. You combine strong software engineering fundamentals with curiosity, pragmatism, and a desire to continuously improve both technology and ways of working.</p><p>
You bring:</p><ul><li><ul><li>
At least 5 years of professional software development experience;</li></ul></li><li><ul><li>
Experience developing services and integrations using Python;</li></ul></li><li><ul><li>
Experience designing and developing scalable software solutions in cloud-based environments, preferably within Microsoft Azure;</li></ul></li><li><ul><li>
A solid understanding of distributed systems, API design, integration patterns, and event-driven architectures;</li></ul></li><li><ul><li>
Experience designing and securing REST APIs, including authentication and authorization standards such as OAuth2 and OpenID Connect;</li></ul></li><li><ul><li>
Experience leading technical investigations, proof of concepts, or prototypes and translating findings into practical recommendations;</li></ul></li><li><ul><li>
Strong analytical and problem-solving skills;</li></ul></li><li><ul><li>
Excellent written and verbal communication skills, including the ability to communicate technical concepts clearly to different audiences;</li></ul></li><li><ul><li>
A collaborative mindset and passion for mentoring and knowledge sharing;</li></ul></li><li><ul><li>
Fluency in English, both written and spoken.</li></ul></li></ul><p>
It would be great if you also have experience with technologies and concepts such as Java, Kubernetes, Docker, Kafka, Azure Service Bus, AI-enabled development tools, or AI platform technologies. Experience within a regulated environment such as insurance, pensions, banking, or financial services is considered a plus.
</p><p><i>A Certificate of Conduct (VOG) and reference check are part of the application process.</i></p><p><i>
Each employee within Keylane must follow training on information security and irrespective to the role basic information security responsibilities apply.</i></p><b><br>
Benefits</b><p><i><br>
Benefits based on a Dutch contract, may be subject to change for international candidates</i></p><ul><li>
A monthly gross salary between &euro; 5.200 and &euro;7.500 based on 40 hours per week;</li><li>
8% holiday allowance of your total gross salary;</li><li>
A profit share;</li><li>
A pension scheme, with the option to save extra;</li><li>
Travel reimbursement: Receive a mileage allowance of &euro;0.23 per km or an NS Business Card, which can also be used for personal travel;</li><li>
24 holiday days (with the option to buy extra) and 7 inclusion days, which can be exchanged with fixed Dutch national holidays, allowing you to take them when you like;</li><li>
Flexibility in working environment. As part of a hybrid working team, you will work partly from home and partly from the office. If you work in the office, a free lunch is waiting for you every day. If you work from home, you will receive a working from home allowance (&euro;4 net per day) and internet allowance (&euro;35 net per month);</li><li>
The possibility of working remotely from abroad for up to 2 months per year;</li><li>
The possibility to lease a bike through our bike leasing program;</li><li>
A one-year contract that, subject to satisfactory performance, will be converted into a permanent contract;</li><li>
The opportunity to develop yourself at our Academy through courses and training, both professionally and personally;</li><li>
A comprehensive vitality offer to help you stay healthy;</li><li>
An active and fun community of Keylaners. We also have after-work drinks at our in-house pub every Thursday.</li></ul></div>

<div><div>Elke dag volgen miljoenen consumenten hun pakket via onze systemen, passen ze hun bezorging aan of gebruiken ze onze apps om te verzenden en ontvangen.</div><div></div><div><br>
Wat voor de buitenwereld een eenvoudige track‑and‑trace is, is voor ons een complex, event‑gedreven backend landschap dat 24/7 beschikbaar moet zijn. Op piekmomenten voor het hele land tegelijk.</div><div></div><div><br>
Bij DHL bouwen we aan de platformen die deze digitale bezorgervaring mogelijk maken. Alles wat wij ontwikkelen draait direct in productie, wordt op grote schaal gebruikt en moet betrouwbaar blijven, ook als het verkeer explodeert.</div><div></div><div><br>
You build it. You run it. You own it.</div><div>
Niet als slogan, maar als manier van werken.</div><div></div><div><b><br>
Wat we bouwen</b></div><div>
Binnen DHL ontwikkelen en onderhouden we backend‑systemen die de kern vormen van onze consumentenproducten, waaronder:</div><ul><li>
Track &amp; Trace en bezorgvoorkeuren</li><li>
Functionaliteit achter de Mijn DHL App en verzendapp</li><li>
Platformen waarmee verzenders realtime tracking‑data aanbieden aan ontvangers</li><li>
Event‑gedreven services die miljoenen statusupdates per dag verwerken</li></ul><div></div><div><br>
Onze systemen worden dagelijks gebruikt door consumenten in Nederland, Belgi&euml; en Zweden. Kwaliteit, stabiliteit en performance zijn daarom geen nice‑to‑haves, maar randvoorwaarden.</div><div></div><div><br>
De komende jaren ligt de focus op:</div><ul><li>
verdere personalisatie van de bezorgervaring</li><li>
hogere stabiliteit en schaalbaarheid</li><li>
het uitbreiden van onze event‑driven architectuur</li><li>
een n&oacute;g betere developer experience voor onze engineers</li></ul><div></div><div><b><br>
Jouw rol</b></div><div>
Als Scala Developer werk je aan het hart van onze consumentenplatformen.</div><div>
Je neemt ownership over services van ontwerp tot productie en verder.</div><div></div><div><br>
Concreet betekent dit dat je:</div><ul><li>
oplossingen bedenkt &eacute;n technisch vormgeeft (wij sturen op doelen, niet op implementatie)</li><li>
werkt in een multidisciplinair scrumteam met andere engineers en een product owner</li><li>
actief meebouwt aan architectuurkeuzes en platformstandaarden</li><li>
structureel aandacht besteedt aan quality, testing en observability</li><li>
technical debt durft te agenderen &eacute;n krijgt de ruimte om deze op te lossen</li></ul><div></div><div><br>
We werken in sprints van 3 weken, waarbij ongeveer 90% van je tijd &eacute;cht naar bouwen gaat. Overleg is functioneel, niet leidend. Wat telt: goede software afleveren.</div><div></div><div><b><br>
Developer Experience &amp; engineeringcultuur</b></div><div>
Developer Experience is voor ons geen bijzaak. Binnen afdeling Digital &amp; IT werken 150 engineers verdeeld over 35 development teams. Samen bouwen we aan een volwassen engineeringorganisatie waarin:</div><ul><li>
teams veel autonomie hebben</li><li>
kennis actief wordt gedeeld</li><li>
standards ontstaan vanuit engineers, niet vanuit policy</li><li>
production ownership vanzelfsprekend is</li></ul><div></div><div><br>
We werken volgens agile principes, maar zonder dogma&rsquo;s. Wat werkt, dat houden we. Wat niet werkt, verbeteren we.</div><div></div><div><b><br>
Hoe we werken (techniek)</b></div><div>
Onze backend is modern, schaalbaar en sterk gericht op betrouwbaarheid:</div><ul><li>
Scala‑based backend</li><li>
Event‑driven architectuur</li><li>
Kafka (ervaring of sterke interesse)</li><li>
ZIO (ervaring is een pr&eacute;)</li><li>
Cloud‑native op Azure</li><li>
Containerized development met Docker &amp; Kubernetes</li><li>
CI/CD pipelines en versiebeheer via Git</li></ul><div></div><div><br>
We verwachten niet van je dat je alles al kent, w&eacute;l dat je kwaliteit serieus neemt en nieuwsgierig bent naar hoe dingen beter kunnen.</div><div></div><div><b><br>
Wie jij bent</b></div><div>
Je krijgt energie van werken aan software die zichtbaar impact heeft.</div><div>
Je denkt niet alleen in tickets, maar in systemen, betrouwbaarheid en gebruikerservaring.</div><div></div><div><br>
Je herkent jezelf in het volgende:</div><ul><li>
HBO/WO werk‑ en denkniveau</li><li>
Ruime ervaring als Scala developer in een professionele teamomgeving</li><li>
Ervaring met schaalbare backend‑systemen</li><li>
Interesse in of ervaring met event‑driven architectuur</li><li>
Je schrijft tests omdat je weet dat productiebetrouwbaarheid daar begint</li><li>
Je neemt ownership en deelt actief je kennis met collega&rsquo;s</li><li>
Goede beheersing van Nederlands</li></ul><div></div><div><b><br>
Waar je terechtkomt</b></div><div>
Je werkt vanuit ons hoofdkantoor in Utrecht, hybride (1 of 2 dagen per week) waar mogelijk.</div><div>
De afdeling Digital &amp; IT telt inmiddels 250 collega&rsquo;s, verspreid over meerdere product‑ en platformteams.</div><div></div><div><br>
Wat we belangrijk vinden:</div><ul><li>
we luisteren naar elkaar</li><li>
feedback is normaal</li><li>
verschillende perspectieven maken ons beter</li></ul><div></div><div><br>
Niet voor niets zijn we Great Place to Work‑gecertificeerd, op basis van feedback van onze eigen mensen.</div><div></div><div><b><br>
Wat je van ons krijgt</b></div><div>
Een rol met impact, ruimte en verantwoordelijkheid en arbeidsvoorwaarden die daar bij passen:</div><ul><li>
Salaris tussen &euro;5.000 en &euro;6.500 bruto (40 uur), afhankelijk van senioriteit en impact</li><li>
10% bonusregeling</li><li>
23 vakantiedagen + 8% vakantiegeld</li><li>
CAO &agrave;‑la‑carte (extra salaris of vakantiedagen)</li><li>
Leaseauto of mobiliteitsvergoeding</li><li>
Pensioenregeling</li><li>
Hybride werken</li><li>
Vanaf dag &eacute;&eacute;n opleidings‑ en trainingsmogelijkheden</li><li>
Doorgroeimogelijkheden, zowel nationaal als internationaal.</li></ul><div><p><b><br>
Bij DHL bouw je aan vandaag &eacute;n aan morgen</b></p><div>
Bij DHL eCommerce geloven we dat mensen het verschil maken. Daarom investeren we in jou.</div><div>
We ondersteunen je gezondheid en vitaliteit met ons programma Nu Voor Later en allerlei sportieve events. Ook jouw maatschappelijke betrokkenheid stimuleren we via DHL Cares en ons reservistenbeleid.</div><div>
Daarnaast maken we werken bij DHL extra leuk met initiatieven zoals Young DHL en verrassende winacties voor tickets en bijzondere ervaringen.</div></div><div></div><div><b><br>
De toekomst van bezorgen is geel</b><b>‑</b><b>rood</b></div><div>
DHL eCommerce is wereldwijd marktleider in logistiek. Niet als verdienste, maar als verantwoordelijkheid. We gebruiken onze schaal om impact te maken; voor onze mensen, het milieu en de maatschappij.</div><p>
Dat zie je terug in onze duurzame ambities, maatschappelijke initiatieven en de cultuur die we samen bouwen.<br>
<br>
Zien we jouw sollicitatie tegemoet? Heb je vragen of opmerkingen? Ik help je graag verder op stephan.abhayawardhana@dhl.com</p><p>
#LI-DNI #LI-DNP</p></div><div></div>

Scala developer

Speechify

<div><p><b>Mission</b></p>
<p><b>
Speechify is the easiest way to listen to the world's information.</b> Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster.</p>
<p>
What streaming services have done for audio entertainment, we're doing for audio information. And whatever we're doing seems to be working. We're #1 in our category, and experiencing exponential growth.</p>
<p><b>
Overview</b></p>
<p>
We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify's product experience across platforms. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.</p>
<p><b>
What Yo</b><b>u'</b><b>ll Do</b></p>
<ul>
<li>Collaborate with Speechify's Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK</li>
<li>Optimize existing functionality to ship things like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms</li>
<li>Ship cloud functions, lightweight backend services, and jobs using Kotlin</li>
</ul>
<p><b>An Ideal Candidate Should Have</b></p>
<ul>
<li>Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable.</li>
<li>Speed. You work quickly to generate ideas and options and know how to decide which things can ship now and what things need time</li>
<li>Focus. We're a high-growth startup with a busy, remote team. You know how and when to engage or be heads down</li>
<li>Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs</li>
<li>Preferred Tech Stack:
<ul><li>Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform)</li>
<li>Prior experience with GCP is a plus</li>
</ul>
</li></ul><p><b>What We Offer
</b></p><ul><li>A fast-growing environment where you can help shape the company and product.</li>
<li>An entrepreneurial-minded team that supports risk, intuition, and hustle.</li>
<li>A hands-off management approach so you can focus and do your best work.</li>
<li>An opportunity to make a big impact in a transformative industry.</li>
<li>Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.</li>
<li>Opportunity to work on a life-changing product that millions of people use.</li>
<li>Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.</li>
<li>Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.</li>
</ul>
<p><b>The Netherlands Based </b>Salary range for this role is: 30,000-120,000 USD/Year + Bonus + Stock depending on experience.</p>
<p><b>
Think you're a good fit for this job?</b></p>
<p>
Tell us more about yourself and why you're interested in the role when you apply.
<br>
And don't forget to include links to your portfolio and LinkedIn.</p>
<p><b>
Not looking but know someone who would make a great fit?</b></p>
<p>
Refer them!</p>
<p><b>
Speechify is committed to a diverse and inclusive workplace.</b></p>
<p>
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.</p></div>

Senior Software Engineer, Core Experiences - Utrecht, Netherlands

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Senior Software Engineer, Core Experiences - Utrecht, Netherlands