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Frank Energie

<div>
 At Frank Energie we're looking for a Backend Software Engineer to join our team.
 
 
 
 About Frank Energie
 
 
 
 Frank Energie is a rapidly growing company located in the Amsterdam Zuidas district. We are revolutionizing the energy market, accelerating the energy transition, and making affordable sustainable energy accessible to everyone.
 
 
 We are young and ambitious, and we want to move fast. Working towards a greener world. We are already a major player in the Netherlands and are on the verge of conquering the rest of Europe. We expanded to Belgium, Spain and France. This year, we are heading to Denmark and Italy. Will you join us on this journey? Your job will be challenging, but for an ambitious person like you, definitely achievable. Your learning curve will be steep, and the growth opportunities are limitless. In addition to hard work, we also believe in relaxation and team-building activities &ndash; work hard, play hard.
 
 
 
 About The Job
 
 
 
 If you would like to develop backend features in a state-of-the-art infrastructure, have a self-starter attitude and tech-driven curiosity, know that a good opinion must be shared, and are willing to contribute together with a commited team, you can proceed with reading.
 
 
 We are looking for an experienced Software Engineer who will play a key role in building our high-performance, real-time power sourcing and optimization software. Our systems must efficiently process large volumes of data and energy market events, ensuring optimal energy sourcing &amp; optimization in a dynamic market.
 
 
 What you will be doing
 
 
 <ul>
 <li>
 Develop real-time power sourcing &amp; optimization software;
 </li>
 <li>
 Implement event-driven and non-blocking architectures to ensure rapid and scalable data processing;
 </li>
 <li>
 Work with Co/Goroutines to handle large-scale energy market data streams efficiently;
 </li>
 <li>
 Optimize system performance to manage fluctuating energy demand and supply conditions;
 </li>
 <li>
 Collaborate with data scientists, energy analysts, and backend engineers to improve forecasting and automation in power sourcing;
 </li>
 <li>
 Write clean, scalable, and well-tested code to support a reliable and adaptive energy sourcing platform;
 </li>
 <li>
 Have fun with your team!
 
 
 </li>
 </ul>
 
 What will help you succeed?
 
 
 
 
 Being An Expert In
 
 
 
 <ul>
 <li>
 You master at least Go or Kotlin and you are not afraid to start working with both of them;
 </li>
 <li>
 Data structures, algorithm design, problem-solving, complexity analysis, secure coding best practices and remediation;
 </li>
 <li>
 Designing, building and maintaining large-scale, high-performance, real-time systems and frameworks;
 </li>
 <li>
 Knowledge of databases (SQL/NoSQL) and message brokers like Kafka or RabbitMQ;
 </li>
 <li>
 Object-oriented concepts and systems design patterns;
 </li>
 <li>
 Analyzing and troubleshooting distributed systems;
 </li>
 <li>
 Tackling problems of load, scale, and optimizations of complex large-scale deployments;
 </li>
 <li>
 Modern server scaling technologies on Linux (e.g., async, non-blocking I/O, multithreading).
 
 
 </li>
 </ul>
 We offer
 
 
 <ul>
 <li>
 A challenging role in a fast growing company doing new things;
 </li>
 <li>
 An exciting adventure: Feels good to do something no one ever did before;
 </li>
 <li>
 Great colleagues: Young, international and dedicated team;
 </li>
 <li>
 Transparency. You don&rsquo;t execute the roadmap; you are part of it. No office politics here!
 </li>
 <li>
 Team building activities &ndash; &lsquo;work hard, play hard&rsquo;;
 </li>
 <li>
 Personal development focus and support;
 </li>
 <li>
 Entrepreneurship: Become a self-starter and take ownership;
 </li>
 <li>
 Momentum: We move at lightning speed.
 
 
 </li>
 </ul>
 Apply for the job
 
 
 Do you want to join our team as our new Backend Software Engineer? Then we'd love to hear about you!
</div>

Backend Software Engineer

TicketSwap

<div>
 
 At TicketSwap, we&rsquo;re on a mission to become the experience marketplace every fan loves. With over 19 million users across 42 countries, we&rsquo;re building a safe, fair, and easy way for fans to buy and sell tickets to live events around the world. Technology plays a central role in how we solve problems for fans. From scaling our platform and improving event creation to building safer ticketing flows, we&rsquo;re constantly working on products that make live experiences more accessible and trustworthy.
 
 
 
 
 We&rsquo;re built by fans, for fans. That means we care deeply about creating products that genuinely help people, and we believe the best ideas come from curious, collaborative teams who enjoy building together. Right now, we&rsquo;re looking for a Software Engineer Backend (PHP) to join our Engineering team in Amsterdam.
 
 
 
 
 Ready to help shape the future of live events? Keep reading 👇
 
 
 
 What You&rsquo;ll Do
 
 As a Backend Engineer at TicketSwap, you&rsquo;ll work on the systems that power millions of safe ticket transactions worldwide. You&rsquo;ll join a cross-functional product team alongside frontend, mobile, product, and design colleagues to build scalable features and improve the core marketplace experience. You&rsquo;ll have ownership, room to experiment, and the opportunity to see your work reach fans almost immediately.
 
 
 
 
 Your key responsibilities:
 
 <ul>
 <li>
 
 Build and improve backend services and APIs that power our platform
 
 </li>
 <li>
 
 Develop new product features used by millions of fans across web and mobile
 
 </li>
 <li>
 
 Help scale and maintain a reliable, secure, and high-performing marketplace
 
 </li>
 <li>
 
 Work with PHP, Symfony, MySQL, Redis, RabbitMQ, GraphQL, AWS, and Kubernetes
 
 </li>
 <li>
 
 Contribute to our event-driven architecture and asynchronous systems
 
 </li>
 <li>
 
 Collaborate closely with Product Managers, Designers, and Engineers across disciplines
 
 </li>
 <li>
 
 Write clean, maintainable, and well-tested code
 
 </li>
 <li>
 
 Participate in code reviews and contribute to improving engineering standards
 
 </li>
 <li>
 
 Help improve developer experience, tooling, and platform reliability
 
 </li>
 <li>
 
 Contribute ideas that simplify complex technical or product challenges
 
 </li>
 <li>
 
 Continuously learn, experiment, and share knowledge with the team
 
 </li>
 <li>
 
 Some of the projects we&rsquo;re currently working on:
 
 </li>
 <li>
 
 Expanding support for more ticket file types as the ticketing industry evolves
 
 </li>
 <li>
 
 Improving SecureSwap integrations to make events safer and easier to configure for partners
 
 </li>
 <li>
 
 Rebuilding and improving event creation flows across the platform
 
 </li>
 </ul>
 
 About You
 
 We know great engineers come from different backgrounds and experiences. If this role excites you, we&rsquo;d love to hear from you, even if you don&rsquo;t tick every box.
 
 
 What we&rsquo;re looking for:
 
 <ul>
 <li>
 
 3+ years of experience as a Software Engineer
 
 </li>
 <li>
 
 Strong experience with PHP and relational databases like MySQL
 
 </li>
 <li>
 
 Experience with frameworks like Symfony is a strong plus
 
 </li>
 <li>
 
 Comfortable working with Git and modern development workflows
 
 </li>
 <li>
 
 You care about code quality, testing, and maintainability
 
 </li>
 <li>
 
 You enjoy solving real user problems through technology
 
 </li>
 <li>
 
 You&rsquo;re curious, proactive, and open to learning new things
 
 </li>
 <li>
 
 You enjoy collaborating in cross-functional teams
 
 </li>
 <li>
 
 Experience with React, mobile development, AWS, Kubernetes, or DevOps tooling is a bonus
 
 </li>
 <li>
 
 You&rsquo;re based in the Netherlands, have an EU passport, or already hold a valid visa to work here
 
 </li>
 <li>
 
 Please note: we don&rsquo;t offer relocation support for this role.
 
 </li>
 </ul>
 
 
 Why You&rsquo;ll Love It Here
 <ul>
 <li>
 
 Work on products used by millions of fans around the world
 
 </li>
 <li>
 
 Join a high-talent, international team that values ownership and collaboration
 
 </li>
 <li>
 
 Ship meaningful work fast and see the impact directly
 
 </li>
 <li>
 
 Collaborate in an environment where ideas matter more than hierarchy
 
 </li>
 <li>
 
 Learn from experienced engineers who care deeply about quality and innovation
 
 </li>
 <li>
 
 Help shape the future of live events and ticketing
 
 </li>
 </ul>
 
 
 Practical Details
 <ul>
 <li>
 
 Full-time role
 
 </li>
 <li>
 
 Hybrid working setup
 
 </li>
 <li>
 
 Based in Amsterdam
 
 </li>
 <li>
 
 No relocation package provided
 
 </li>
 <li>
 
 This role sits within Function Group 6 or 7, depending on experience and seniority level. We&rsquo;re open to considering both mid-level and senior Backend Engineers
 
 </li>
 </ul>
 
 
 
 
 Excited to join us?
 
 
 
 Research shows that women and people from traditionally underrepresented groups often apply only when they meet every requirement. We&rsquo;d much rather hear from someone who&rsquo;s excited about the role and motivated to grow.
 
 
 At TicketSwap, we welcome people of all backgrounds, identities, and experiences. If this role feels like a good fit for you, we&rsquo;d love to hear from you 🚀
 
</div>

Software Engineer Backend

Nebius

<div>
 
 
 Why work at Nebius
 
 
 
 
 
 
 Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field.
 
 
 
 
 
 
 Where we work
 
 
 
 
 
 
 Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&amp;D hubs across Europe, North America, and Israel. The team of over 800 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&amp;D team.
 
 
 
 
 
 
 The role
 
 
 
 
 
 
 We&rsquo;re looking for a Senior Backend Software Engineer to help develop our hyperscaling platform. We have a lot of tasks on Golang and little less on Java and Python.
 
 
 You&rsquo;re welcome to work from our office in Prague, Berlin or in Amsterdam, hybrid or remotely.
 
 
 
 
 
 
 In this position, your responsibility will be to:
 
 
 
 Developing fault-tolerant, reliable cloud services: cloud infrastructure, managed databases, managed Kubernetes, billing, monitoring systems, ML service and more.
 
 
 
 
 
 
 We expect you to have:
 
 
 
 
 
 <ul>
 <li>
 5+ years of professional software engineering experience
 </li>
 <li>
 Excellent knowledge of Golang or you are ready to quickly switch to this programming language
 </li>
 <li>
 Ability to write reliable code and dig into complex problems
 </li>
 <li>
 Teamwork-oriented approach
 </li>
 </ul>
 
 
 
 
 
 It would be an added bonus if you had:
 
 
 <ul>
 <li>
 Experience designing high-load and scaling services
 </li>
 </ul>
 
 
 
 
 
 We conduct coding interviews as part of the process.
 
 
 
 
 
 
 
 What we offer
 
 
 
 
 
 <ul>
 <li>
 Competitive salary and comprehensive benefits package.
 </li>
 <li>
 Opportunities for professional growth within Nebius.
 </li>
 <li>
 Flexible working arrangements.
 </li>
 <li>
 A dynamic and collaborative work environment that values initiative and innovation.
 </li>
 </ul>
 
 
 
 
 We&rsquo;re growing and expanding our products every day. If you&rsquo;re up to the challenge and are excited about AI and ML as much as we are, join us!
 
</div>

Senior Backend Engineer

Together AI

<div>
 
 About The Role
 
 
 
 Together.ai is looking for a Software Engineer to join the Identity &amp; Collaboration team &mdash; a great role for a full-stack or backend engineer who wants to grow into functional programming and the identity space. As part of the Product Foundations engineering group, the Identity &amp; Collaboration team owns authentication flows (including SSO and OAuth), organizations, projects, API keys, and the role-based access controls that enable secure collaboration at scale.
 
 
 Every customer interaction with Together relies on the systems we build. Whether it's a researcher accessing their models, an enterprise team collaborating on a shared project, or a developer making an API call, we make authentication seamless and invisible for simple cases while providing robust, enterprise-grade capabilities for complex organizational structures. Our work directly enables Together's growth from individual users to large enterprise teams, and we're actively building the next generation of collaboration features that will unlock new ways for customers to work together securely and efficiently across all Together products.
 
 
 <ul>
 <li>
 Location: Hybrid in Amsterdam, NL or remote UK, Ireland &amp; Germany
 </li>
 <li>
 Full-time: This means 40 flexible hours, Monday through Friday.
 
 
 </li>
 </ul>
 You'll own well-defined features and small projects end-to-end, shipping work that lands in front of customers. You'll get guidance as you take on unfamiliar problem spaces, with plenty of room to grow toward more autonomy over time. We pair, review each other's code, and learn in the open &mdash; it's a strong environment to level up in.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Build and ship features across the stack &mdash; TypeScript/Next.js on the frontend and Elixir/Phoenix services on the backend (which you can grow into)
 </li>
 <li>
 Own well-defined pieces of work end-to-end, from implementation through testing and rollout
 </li>
 <li>
 Contribute to our identity and access features: SSO, OAuth, organizations, projects, API keys, and role-based access control
 </li>
 <li>
 Learn the Elixir/Erlang VM (BEAM) and how we run it in production
 </li>
 <li>
 Participate meaningfully in code review and build your familiarity with our testing, tooling, and workflow
 </li>
 <li>
 Surface blockers early and collaborate with the team to work through them
 </li>
 <li>
 Work with relational (PostgreSQL) and non-relational (MongoDB) data
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Around 2&ndash;3 years of professional experience writing and shipping production code
 </li>
 <li>
 Solid full-stack or backend engineering, especially with TypeScript (backend and/or frontend, for example with Next.js) &mdash; or another modern stack whose ideas you can bring across
 </li>
 <li>
 Genuine enthusiasm to learn Elixir and Phoenix &mdash; production experience isn't required, and we'll support you in getting there
 </li>
 <li>
 Writes clean, well-organized, well-tested code, and treats code review as a way the team grows together
 </li>
 <li>
 Comfortable owning scoped work and surfacing blockers early
 </li>
 <li>
 Curious, open to feedback, and willing to propose new approaches and make mistakes
 
 
 </li>
 </ul>
 
 Nice to Have
 
 
 
 <ul>
 <li>
 Interest in, or some exposure to, identity and access concepts &mdash; authentication, authorization, SSO, OAuth (this is a great team to learn them on)
 </li>
 <li>
 Any exposure to functional programming (Elixir, Erlang, or similar)
 
 
 </li>
 </ul>
 If you don't meet 100% of the above, you should still consider applying. It's completely fine if you haven't used Elixir yet &mdash; if you're excited to learn it and have a passion for this kind of work, we want to talk to you.
 
 
 
 About Together AI
 
 
 
 Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. We have contributed to leading open-source research, models, and datasets to advance the frontier of AI, and our team has been behind technological advancement such as FlashAttention, Hyena, FlexGen, and RedPajama. We invite you to join a passionate group of researchers and engineers in our journey in building the next generation AI infrastructure.
 
 
 
 Compensation
 
 
 
 We offer competitive compensation, startup equity, and other competitive benefits. Our salary ranges are determined by location, level and role. Individual compensation will be determined by experience, skills, and job-related knowledge.
 
 
 
 Equal Opportunity
 
 
 
 Together AI is an Equal Opportunity Employer and is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more
</div>

Software Engineer(Amsterdam)

Check

<div><h1 class="jobSectionHeader">In a nutshell.</h1>
As our Security Engineer, you make sure our platform, infrastructure and data stay secure as we grow. You identify vulnerabilities before they become problems, and you build the processes and safeguards that keep security top of mind across the entire Product team.
You're on the Product team, contributing your security expertise. This role is for someone who stays sharp on emerging threats and knows how to get engineers to build securely without slowing them down.<h3 class="jobSectionHeader">
Our Tech Stack.</h3>
The iOS application is built 100% with Swift, with a mix of SwiftUI and UIKit. We use REST APIs to connect to our backend. The CI/CD pipelines run using Bitrise.
Android is built natively with Kotlin. Next to the customer application, we have two internally facing applications. One mobile React Native application and one web-based, built in Typescript and Next.JS.
Our backend stack is heavily based around Python, with our main API written in that language, as well as several microservices. For updating our fleet in real-time, we use a microservice which is written in Rust. This is all hosted and managed in-house, by running two Kubernetes clusters with Helm as our package manager.<h1 class="jobSectionHeader">
The role.</h1><ul><li>
Make sure our APIs are secure and that no data is exposed where it shouldn't be.</li><li>
Keep our infrastructure secure, including how we deploy and run software on Kubernetes.</li><li>
Run security audits, penetration tests, and vulnerability assessments across our platform.</li><li>
Work day-to-day with our software engineers, picking up your own tickets and improving security together with the people building the product.</li><li>
Own data governance and make sure we stay GDPR and are legally compliant.</li><li>
Define and maintain security policies and training that apply company-wide.</li><li>
Respond to and lead investigations on security incidents when they occur.</li><li>
Stay on top of emerging threats and vulnerabilities relevant to our stack and industry.</li></ul><h1 class="jobSectionHeader">
Requirements.</h1><ul><li>
HBO or higher in software engineering, computer science, security, or a related field.</li><li>
2+ years of experience in a security engineering or similar role.</li><li>
Hands-on experience with Kubernetes and securing modern cloud infrastructure.</li><li>
Basic knowledge of Python and TypeScript - you don't need to be an expert, but you should be able to read and understand code.</li><li>
Experience with GitHub Actions or similar CI/CD tooling.</li><li>
Experience with databases and SQL.</li><li>
Fluent English; Dutch is a plus.</li></ul><h3 class="jobSectionHeader">
Ready to join the ride?</h3>
If you're excited about staying one step ahead and keeping our platform secure, we'd love to hear from you.</div>

Security Engineer

Seenons bv

<div><h2 class="jobSectionHeader">Your launchpad to a career with impact</h2> 
Seenons is a tech company on a mission: a world without waste. As a certified B Corp, we&rsquo;re building the digital logistics infrastructure that enables organizations to separate, track, and route waste to its next best use, turning a fragmented, outdated system into one that&rsquo;s circular and future-proof. 
Our international platform brings together all players in the waste industry for circular waste management. We help large organizations reduce waste and save valuable resources from going to waste. We are currently active in four European countries and are planning to expand. As of now we are looking for a Software Engineer Intern (internally we use the title Product Engineer Intern) to join our Tech team.<h3 class="jobSectionHeader">
About the role</h3>
You'll join our engineering team of 8, working across our internal Cockpit and three customer-facing apps (Waste Saver, Data, Partner Portal). We work as one team, broken into smaller monthly projects - so you'll get to touch most of the platform during your time with us.
What you&rsquo;ll be doing:<ul><li>
Ship features end-to-end across the stack (frontend, backend, a bit of data, a bit of infra - whatever the problem needs)</li><li>
Use AI tooling (Claude, agents, and more) as a core part of how you build</li><li>
Talk to the people who'll use what you build, whether that's our internal business users or our customers out in the world</li><li>
Contribute to our internal libraries, patterns and the way we work</li></ul><h3 class="jobSectionHeader">
We&rsquo;d like to hear from you, if you</h3><ul><li>
Are AI-native: you've already built things with LLMs, you know what they're good at and (more importantly) what they're not, and you're allergic to &quot;but AI said so&quot; as a defense.</li><li>
Are eager to take ownership and have proved it with school projects, side projects, internships, or something you can show us.</li><li>
Have some experience with TypeScript, JavaScript or Python - ideally with a frontend framework (we use Vue), a backend one (we use NestJS), or both. Want to contribute full stack, even if you don't know all parts of it yet.</li><li>
Are pragmatic - you'd rather ship a useful 80% than polish a 100% that nobody asked for.</li><li>
You ask &quot;why are we doing this?&quot; and &quot;have we talked to a user?&quot; before reaching for the keyboard.</li><li>
Thrive in a dynamic environment where collaborating with a product manager, designer, engineers and end-users is part of the job.</li><li>
Study in the Netherlands and would like to work from the office at least three days a week.
</li></ul>Ah, one more thing...
If you&rsquo;re not entirely sure whether you meet all the requirements, but you&rsquo;re enthusiastic about us and the role, apply anyway! We want people who are also willing to take risks. Together we learn and grow.<h3 class="jobSectionHeader"> 
What you get with us</h3><ul><li>
Drive impact in the pursuit of a zero-waste future.</li><li>
Learn by doing alongside engineers who'll review your PRs properly.</li><li>
Join a supportive, collaborative team of 80+ international colleagues in a thriving scaleup.</li><li>
Work from our Amsterdam Houthavens office with a panorama harbor view, close to Amsterdam CS and Sloterdijk - with commuting costs reimbursed.</li><li>
Join fun events and office drinks to celebrate successes.</li></ul><h3 class="jobSectionHeader">
Done wasting?</h3>
Great, so are we. Tell us why this role excites you and how you&rsquo;d use your skills to help us grow. No long cover letter needed, just thoughtful input in our application form will do. Apply now, and let&rsquo;s build a waste-free future together.</div>

Internship: Software Engineer

Workato

<div>
 
 About Workato
 
 
 
 Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato&rsquo;s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com
 
 
 
 Why join us?
 
 
 
 Ultimately, Workato believes in fostering a
 
 flexible, trust-oriented culture that empowers everyone to take full ownership of their roles
 
 . We are driven by
 
 innovation
 
 and looking for
 
 team players
 
 who want to actively build our company.
 
 
 But, we also believe in
 
 balancing productivity with self-care
 
 . That&rsquo;s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.
 
 
 If this sounds right up your alley, please submit an application. We look forward to getting to know you!
 
 
 
 Also, Feel Free To Check Out Why
 
 
 
 <ul>
 <li>
 Business Insider named us an &ldquo;enterprise startup to bet your career on&rdquo;
 </li>
 <li>
 Forbes&rsquo; Cloud 100 recognized us as one of the top 100 private cloud companies in the world
 </li>
 <li>
 Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America
 </li>
 <li>
 Quartz ranked us the #1 best company for remote workers
 
 
 </li>
 </ul>
 
 Responsibilities
 
 
 
 We are looking for a
 
 Staff AI Engineer
 
 to play a key role in building the core of our AI platform. In this position, you will design and develop production-grade systems that power intelligent automation, agentic workflows, and large-scale retrieval services. This is a highly technical, hands-on role that involves close collaboration with product and platform teams to transform advanced AI concepts into reliable, scalable, and secure solutions used across our enterprise ecosystem. You will also be responsible to:
 
 
 <ul>
 <li>
 Design, build, and maintain AI-powered services and APIs, leveraging LLMs (OpenAI, Anthropic, Qwen, OSS models) and custom ML models.
 </li>
 <li>
 Develop an enterprise-grade agentic framework that enables orchestration, retrieval, and collaboration between multiple AI agents.
 </li>
 <li>
 Implement and optimize knowledge retrieval systems and agentic search capabilities using vector databases such as Qdrant and ElasticSearch.
 </li>
 <li>
 Write well-structured, efficient, and testable Python code for production services, experimentation, and internal developer tools.
 </li>
 <li>
 Build and maintain shared Python libraries and SDKs used across multiple applications and microservices.
 </li>
 <li>
 Collaborate with cross-functional teams on architecture, internal protocols, and API standards to ensure consistency and reliability across the platform.
 </li>
 <li>
 Develop and enhance monitoring, validation, and observability for production-grade AI solutions.
 </li>
 <li>
 Drive the full software development lifecycle - from design and implementation to deployment, monitoring, and continuous improvement.
 </li>
 <li>
 Identify and resolve performance bottlenecks, reliability issues, and scaling challenges in complex, data-intensive environments.
 </li>
 <li>
 Participate in code reviews and technical discussions, mentoring other engineers and contributing to a culture of excellence.
 
 
 </li>
 </ul>
 
 Example Projects
 
 
 
 <ul>
 <li>
 Building an evaluation and observability framework for AI model performance and reliability.
 </li>
 <li>
 Developing an agentic orchestration platform that enables collaboration among multiple AI agents and tools.
 </li>
 <li>
 Implementing semantic retrieval and agentic search capabilities over large enterprise knowledge bases.
 </li>
 <li>
 Designing AI services that process and reason over high-volume real-world data at scale.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 
 Qualifications / Experience / Technical Skills
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
 </li>
 <li>
 5+ years of experience as a Software Engineer, with strong proficiency in Python.
 </li>
 <li>
 Proven track record of building and maintaining production-grade systems using Python.
 </li>
 <li>
 Strong understanding of distributed systems, API design, and data-driven architectures.
 </li>
 <li>
 Experience with relational and non-relational databases (PostgreSQL, Elastic, Qdrant, or similar).
 </li>
 <li>
 Familiarity with AI/ML system design, including LLM integration and evaluation pipelines.
 </li>
 <li>
 Knowledge of DevOps and observability practices (CI/CD, monitoring, metrics, and model validation).
 </li>
 <li>
 Python
 </li>
 <li>
 FastAPI
 </li>
 <li>
 LLM APIs (OpenAI, Anthropic, Qwen, OSS)
 </li>
 <li>
 LiteLLM
 </li>
 <li>
 Qdrant
 </li>
 <li>
 PostgreSQL
 </li>
 <li>
 ElasticSearch
 </li>
 <li>
 Langfuse
 </li>
 <li>
 Kubernetes
 </li>
 <li>
 GitHub Actions
 </li>
 <li>
 ArgoCD
 
 
 </li>
 </ul>
 
 Preferred Skills
 
 
 
 <ul>
 <li>
 Experience working with multiple LLM providers (OpenAI, Anthropic, Qwen, open-source models).
 </li>
 <li>
 Background in developer platforms or AI infrastructure services.
 </li>
 <li>
 Familiarity with vector databases, semantic retrieval, and knowledge graph architectures.
 </li>
 <li>
 Exposure to Langfuse, LiteLLM, LangChain, or similar frameworks.
 </li>
 <li>
 Experience developing enterprise-scale SaaS or distributed backend systems.
 </li>
 <li>
 Contributions to open-source projects in Python, AI, or infrastructure engineering.
 
 
 </li>
 </ul>
 
 Soft Skills / Personal Characteristics
 
 
 
 <ul>
 <li>
 Excellent communication skills, with the ability to convey complex technical ideas clearly to both technical and non-technical audiences.
 </li>
 <li>
 Collaborative and proactive approach, comfortable working across teams in a dynamic environment.
 </li>
 <li>
 Strong analytical and problem-solving abilities, with a focus on continuous improvement and innovation.
 </li>
 <li>
 Curiosity and a genuine interest in emerging AI technologies and modern backend architectures.
 
 
 </li>
 </ul>
 
 (REQ ID: 2460)
 
</div>

Staff AI Engineer

Explore 76+ Backend software engineer in Amsterdam this July. Find roles across top companies and apply now to boost your career.