microservices engineer

GLS/NXT

<div>
 
 Join
 
 GLS/NXT
 
 as a
 
 Senior Backend Engineer
 
 and help shape the future of out-of-home delivery. We&rsquo;re building the
 
 OOH Platform
 
 - a scalable system that empowers carriers across multiple countries to deploy, manage, and optimize parcel locker networks with ease.
 
 
 
 At GLS/NXT, you&rsquo;ll work at the intersection of
 
 startup energy and enterprise muscle -
 
 moving fast, experimenting freely, and owning your work end-to-end. We care deeply about solving real user problems and building reliable, high-quality backend systems that make logistics smarter and more connected.
 
 
 
 If you&rsquo;re driven by impact, thrive in a collaborative and fast-moving environment, and love turning complex challenges into elegant and simple technical solutions, we&rsquo;d love to have you on board. Let&rsquo;s build the future of logistics - together.
 
 
 Tasks
 
 <ul>
 
 <li>
 Design, build, and maintain server-side applications with a focus on performance, scalability, and reliability.
 </li>
 
 <li>
 Collaborate with cross-functional teams to define, design, and ship new features and improvements.
 </li>
 
 <li>
 Drive best practices in code quality, security, and testing across the development lifecycle.
 </li>
 
 <li>
 Troubleshoot, debug, and upgrade existing software systems proactively and effectively.
 </li>
 
 <li>
 Stay current with emerging technologies and industry trends to continuously drive innovation within the team.
 </li>
 
 </ul>
 
 Requirements
 
 <ul>
 
 <li>
 
 5+ years of proven experience
 
 as a Backend Engineer or in a similar role within a cross-functional team environment.
 </li>
 
 <li>
 
 Proficiency in Kotlin
 
 for backend development.
 </li>
 
 <li>
 
 Strong hands-on experience with Spring Boot
 
 , building robust and scalable services.
 </li>
 
 <li>
 
 Solid experience with SQL and relational databases
 
 , including schema design and performance optimization.
 </li>
 
 <li>
 
 Experience with event-driven architectures
 
 (e.g., Kafka, SNS/SQS).
 </li>
 
 <li>
 
 Proficiency in REST API design principles
 
 , microservices architecture, and cloud-based services (preferably AWS).
 </li>
 
 <li>
 
 Experience deploying applications
 
 using containerization and orchestration tools (e.g., Docker, Kubernetes).
 </li>
 
 <li>
 
 Comfortable working in an Agile environment
 
 , embracing incremental delivery and continuous feedback.
 </li>
 
 <li>
 
 Strong problem-solving and analytical skills
 
 , with a keen eye for debugging and performance tuning.
 </li>
 
 <li>
 
 Excellent written and verbal communication skills in English
 
 , with the ability to explain complex technical concepts clearly to diverse audiences.
 </li>
 
 </ul>
 
 Benefits
 
 <ul>
 
 <li>
 
 Dynamic workplace:
 
 A digital environment with international projects and space to learn and grow
 </li>
 
 <li>
 
 Flexible work conditions:
 
 Hybrid working mode with a tailored remote policy
 </li>
 
 <li>
 
 Focus on learning:
 
 A personal budget (1.000&euro;) for learning and development initiatives
 </li>
 
 <li>
 
 Physical space for ideas:
 
 A great office space in Berlin Mitte with top-tier equipment
 </li>
 
 <li>
 
 Transparent and competitive compensation:
 
 A salary package that reflects your expertise and experience.
 </li>
 
 <li>
 
 Active participation:
 
 A clear bonus system enabling participation in your and the team&rsquo;s performance
 </li>
 
 <li>
 
 Engaging team culture:
 
 Monthly team cooking, regular events and offsites
 </li>
 
 <li>
 
 Vacation policy:
 
 30 days of yearly holiday
 </li>
 
 <li>
 
 Reward system:
 
 Rewards for the recommendation of additional team members
 </li>
 
 </ul>
 
 
 
 About GLS/NXT
 
 
 
 
 GLS/NXT was founded with the mission to build the next generation of logistic experiences driven by technology - core, adjacent &amp; beyond. More specifically, our sphere of interest is the Logistics and eCommerce sector. We are entrepreneurs and hence always start with the user's needs. We are located between Corporate and Startups and leverage the benefits from both (startup speed and corporate muscle). GLS/NXT inhabits different project teams, acting as startups with business responsibility and setting their own vision and mission. GLS/NXT is part of the GLS IT Services GmbH.
 
 
 
 
 Commitment to Diversity
 
 
 
 
 GLS/NXT is an equal opportunity employer, which means we do not discriminate on the basis of race, colour, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression. We celebrate diversity and are committed to creating an inclusive environment for all employees.
 
</div>

Senior Backend Engineer

GRID esports

<div>
 <ul>
 <li>
 Are you passionate about building event-driven systems?
 </li>
 <li>
 Do you have a strong grasp of Kotlin or Go?
 </li>
 <li>
 Do you enjoy finding solutions for significantly impactful challenges?
 
 
 </li>
 </ul>
 If the answers to the above questions are yes, then this role could be ideal for you!
 
 
 What you will do
 
 
 <ul>
 <li>
 Build greenfield mission-critical services and expand the reliability of existing ones
 </li>
 <li>
 Help to shape GRID's technological landscape together with experienced colleagues
 </li>
 <li>
 Participate in architectural discussions, providing feedback to coworkers and ensuring good practices
 </li>
 <li>
 Work closely together with product stakeholders to communicate progress and considerations effectively
 
 
 </li>
 </ul>
 Your skills will include (must have)
 
 
 <ul>
 <li>
 Minimum of 3 years of commercial experience
 </li>
 <li>
 Deep knowledge of a strongly typed language (preferably Kotlin / Go)
 </li>
 <ul>
 <li>
 Explicit (nullable) types
 </li>
 <li>
 Strong, minimal contracts
 </li>
 <li>
 Helpful abstractions and class hierarchies / compositions (introduced at an appropriate time)
 </li>
 </ul>
 <li>
 Ambition to build robust, high-quality mission-critical systems, leveraging the power of:
 </li>
 <ul>
 <li>
 Automated testing
 </li>
 <li>
 Automated monitoring and alerting
 </li>
 <li>
 CI/CD infrastructure
 </li>
 </ul>
 <li>
 Know-how of good API design (preferably REST / GraphQL), paying attention to:
 </li>
 <ul>
 <li>
 Documentation
 </li>
 <li>
 Self-documenting naming and structures
 </li>
 <li>
 Minimal and extendable contracts (while minimizing breaking changes)
 </li>
 </ul>
 <li>
 Experience with GraphQL/REST APIs, micro-service architecture and container / orchestration systems (preferably Docker / Kubernetes), while bearing in mind:
 </li>
 <ul>
 <li>
 Complexity trade-offs
 </li>
 <li>
 Fault-tolerance design
 </li>
 </ul>
 <li>
 Knowledge of JIRA, Agile and Scrum
 </li>
 <li>
 Good communication skills, especially when working with remote teams
 </li>
 <li>
 Good attention to detail
 </li>
 <li>
 Being able to work CET time zone
 </li>
 </ul>
 Nice to have
 
 
 <ul>
 <li>
 Production experience with designing and maintaining GraphQL APIs.
 </li>
 <li>
 Knowledge of eSports and gaming.
 </li>
 <li>
 The ability to thrive in a fast-paced software startup that has incredible potential
 </li>
 <li>
 A passion for software engineering while writing clean, well-tested code
 </li>
 <li>
 Enthusiasm for working in a Lean, fully Agile environment
 </li>
 <li>
 Comfortable using AI tooling where necessary (ex. open code, github copilot, claude code)
 </li>
 <li>
 Knowledge of modern AI workflows
 
 
 </li>
 </ul>
 What you can expect from GRID&rsquo;s Engineering Team
 
 
 <ul>
 <li>
 Impactful: With a robust CI/CD process, and a full suite of automated tests our engineers ship daily, allowing you to make impact on the product from day one with peace of mind
 </li>
 <li>
 Agile &amp; Inclusively: We&rsquo;ve developed our own kanban-based way of working that is constantly being improved and adapted by the self-organizing product-engineering teams. Opinions and ideas are valued from all
 </li>
 <li>
 Quality: Achieved by ensuring detailed stories and epics, high test coverage, a thorough code-review process, consciously taking on technical debt and an open culture of sharing opinions
 </li>
 <li>
 Organized: We strive for considered decisions, creating software that lasts. We document them in decision records, which any engineer in any team can drive
 </li>
 </ul>
</div>

Backend Engineer (m/f/x)

GRID eSports GmbH

<div><ul><li>Are you passionate about building event-driven systems?</li><li>
Do you have a strong grasp of Kotlin or Go?</li><li>
Do you enjoy finding solutions for significantly impactful challenges?</li></ul>
If the answers to the above questions are yes, then this role could be ideal for you!<h4 class="jobSectionHeader"> 
What you will do</h4><ul><li>
Build greenfield mission-critical services and expand the reliability of existing ones</li><li>
Help to shape GRID's technological landscape together with experienced colleagues</li><li>
Participate in architectural discussions, providing feedback to coworkers and ensuring good practices</li><li>
Work closely together with product stakeholders to communicate progress and considerations effectively</li></ul><h4 class="jobSectionHeader">
Your skills will include (must have)</h4><ul><li>
Minimum of 3 years of commercial experience</li><li>
Deep knowledge of a strongly typed language (preferably Kotlin / Go)<ul><li>
Explicit (nullable) types</li><li>
Strong, minimal contracts</li><li>
Helpful abstractions and class hierarchies / compositions (introduced at an appropriate time)</li></ul></li><li>
Ambition to build robust, high-quality mission-critical systems, leveraging the power of:<ul><li>
Automated testing</li><li>
Automated monitoring and alerting</li><li>
CI/CD infrastructure</li></ul></li><li>
Know-how of good API design (preferably REST / GraphQL), paying attention to:<ul><li>
Documentation</li><li>
Self-documenting naming and structures</li><li>
Minimal and extendable contracts (while minimizing breaking changes)</li></ul></li><li>
Experience with GraphQL/REST APIs, micro-service architecture and container / orchestration systems (preferably Docker / Kubernetes), while bearing in mind:<ul><li>
Complexity trade-offs</li><li>
Fault-tolerance design</li></ul></li><li>
Knowledge of JIRA, Agile and Scrum</li><li>
Good communication skills, especially when working with remote teams</li><li>
Good attention to detail</li><li>
Being able to work CET time zone</li></ul><h4 class="jobSectionHeader">
Nice to have</h4><ul><li>
Production experience with designing and maintaining GraphQL APIs.</li><li>
Knowledge of eSports and gaming.</li><li>
The ability to thrive in a fast-paced software startup that has incredible potential</li><li>
A passion for software engineering while writing clean, well-tested code</li><li>
Enthusiasm for working in a Lean, fully Agile environment</li><li>
Comfortable using AI tooling where necessary (ex. open code, github copilot, claude code)</li><li>
Knowledge of modern AI workflows</li></ul><h4 class="jobSectionHeader">
What you can expect from GRID&rsquo;s Engineering Team</h4><ul><li>
Impactful: With a robust CI/CD process, and a full suite of automated tests our engineers ship daily, allowing you to make impact on the product from day one with peace of mind</li><li>
Agile &amp; Inclusively: We&rsquo;ve developed our own kanban-based way of working that is constantly being improved and adapted by the self-organizing product-engineering teams. Opinions and ideas are valued from all</li><li>
Quality: Achieved by ensuring detailed stories and epics, high test coverage, a thorough code-review process, consciously taking on technical debt and an open culture of sharing opinions</li><li>
Organized: We strive for considered decisions, creating software that lasts. We document them in decision records, which any engineer in any team can drive</li></ul></div>

Bundesdruckerei-Gruppe

<div>Zum n&auml;chstm&ouml;glichen Zeitpunkt suchen wir Sie als DevOps Engineer f&uuml;r den Standort Berlin.
Ihr Aufgabenbereich
<ul><li>Automatisierung von IT-Prozessen (Continuous Integration, Continuous Delivery, Continuous Deployment) sowie eigenst&auml;ndige Durchf&uuml;hrung von Administrations- und Konfigurationst&auml;tigkeiten, u. a. mit Ansible, Terraform, Helm, Kustomize und ArgoCD</li><li>
Containerisierung moderner Anwendungen (Microservices)</li><li>
Standardisierung und Automatisierung von Build-, Test- und Deployment-Prozessen unter Ber&uuml;cksichtigung h&ouml;chster Qualit&auml;ts- und strenger Datenschutzanforderungen</li><li>
Fachliche und technologische Beratung der Product-Owner- und Software-Engineering-Teams bei Produkt- und Projektanforderungen</li><li>
Evaluierung neuer Technologien sowie kontinuierliche Weiterbildung im entsprechenden Fachgebiet</li><li>
Bugfixing, Bugtracking sowie 2nd-/3rd-Level-Support in Zusammenarbeit mit anderen Betriebsabteilungen</li><li>
Erstellung technischer Dokumentationen</li></ul>
Ihr Profil
<ul><li>Erfolgreich abgeschlossenes informationstechnisches, naturwissenschaftliches, mathematisches oder ingenieurwissenschaftliches Hochschulstudium sowie einschl&auml;gige Berufserfahrung im Bereich DevOps Engineering oder in einer vergleichbaren Position</li><li>
Verst&auml;ndnis der DevOps-Prinzipien sowie Interesse an deren Umsetzung in der Praxis</li><li>
Berufspraxis in der Implementierung von CI/CD-Pipelines sowie beim Deployment gro&szlig;er Softwareanwendungen</li><li>
Kenntnisse im Umgang mit Docker und Kubernetes, idealerweise erste Erfahrungen mit Red Hat OpenShift und Istio</li><li>
Vertrautheit mit Java, Microservice-Architekturen und API-Design (REST, Messaging)</li><li>
Erfahrungen mit Logging (Elasticsearch, Kibana, Splunk) und Monitoring (Prometheus, Grafana, Alertmanager)</li><li>
Analytische, serviceorientierte und selbstst&auml;ndige Arbeitsweise</li><li>
Sehr gute Deutschkenntnisse in Wort und Schrift (mindestens Niveau C1</li></ul></div>

DevOps Engineer (m/w/d)

Navera Community Connections

<div><h4 class="jobSectionHeader">Your mission</h4>
About Us 
We&rsquo;re building a new kind of mortgage experience: transparent, digital, and truly customer-centric. We are a Berlin-based B2C Fintech founded by two repeat founders (YC alum, exit) with prior 10+ year careers in investment banking and strategy consulting. We recently raised investment to assemble a 30-person, exceptionally strong core team. Our culture is built on ownership and clarity. We align with you on vision, set clear KPIs and resources together, and then trust your drive and expertise. 
 
The Opportunity 
Buying property (and financing it) is probably the biggest financial decision in someone's life. It's complicated and opaque. As a Senior Backend / DevOps Engineer, you will work alongside our CTO on building and evolving our fintech product. Our core architecture and cloud infrastructure are already in place and running in production &mdash; you&rsquo;ll spend roughly 70% of your time shipping backend features and 30% on infrastructure and operations. You&rsquo;ll have significant autonomy to shape how we build, deploy, and scale.<h4 class="jobSectionHeader">
Your profile</h4>
What You&rsquo;ll Do 
<ul><li>
Developing backend features and APIs within our microservices architecture</li><li>
Designing and implementing event-driven patterns and workflow orchestration</li><li>
Working with PostgreSQL &mdash; schema design, migrations, query optimization</li><li>
Integrating with external APIs (mortgage platforms, CRM, document processing)</li><li>
Extending cloud infrastructure (Terraform, Helm) for new services and capabilities</li><li>
Improving CI/CD pipelines and deployment processes</li><li>
Implementing monitoring, logging, and observability systems</li><li>
Optimizing system performance, reliability, and scalability</li><li>
Collaborating on technical decisions and architecture evolution</li><li>
Ensuring code quality, security, and operational best practices</li></ul> 

Our Stack 
<ul><li>
Backend: Node.js, TypeScript</li><li>
Database: PostgreSQL, Redis</li><li>
Orchestration: Temporal for durable workflows</li><li>
Architecture: Event Driven Microservices Architecture</li><li>
Monitoring: Prometheus &amp; Grafana</li><li>
Cloud: GCP</li><li>
Infrastructure: Terraform, Helm, GitHub Actions CI/CD, Cloudflare</li><li>
AI/ML: LLM integrations</li></ul>
What You Bring 
 
Hard Requirements<ul><li>
Strongly-Typed Backend Language: Strong proficiency in at least one strongly-typed, compiled or strictly-typed language (e.g., Go, TypeScript, Rust, Java, C#, Kotlin) for building high-performance backend services. Solid grasp of async patterns, concurrency, and performance optimization.</li><li>
Event-Driven Architecture: Deep, hands-on experience designing and implementing event-driven systems with messaging patterns (Kafka, RabbitMQ, GCP Pub/Sub, or Redis Streams). You understand eventual consistency, saga patterns, and can articulate trade-offs.</li><li>
Microservices Architecture: Proven track record building, deploying, and scaling microservice-based systems in production. You know when to split services, how to handle distributed transactions, and how to avoid common microservices pitfalls.</li><li>
GCP Hands-On Experience: Real production experience with GCP, not just familiarity. You&rsquo;ve worked with GKE, Cloud SQL, Memorystore, Cloud Storage, Secret Manager, and can navigate the GCP ecosystem confidently.</li></ul> 

Additional Technical Skills<ul><li>
Extensive experience with SQL databases (PostgreSQL preferred)</li><li>
Strong foundation in RESTful API design</li><li>
Proficiency with containerization (Docker) and orchestration (Kubernetes)</li><li>
Experience with CI/CD tools (GitHub Actions, Cloud Build, or similar)</li><li>
Infrastructure as Code with Terraform or similar tools</li><li>
Node.js/TypeScript experience is a plus (our current backend stack)</li><li>
Understanding of observability: structured logging, distributed tracing, metrics, and alerting</li><li>
Knowledge of API security, authentication/authorization (OAuth 2.0, JWT), and data protection</li><li>
Experience with workflow orchestration (Temporal or similar) is a strong plus Mindset &amp; Approach</li>
0<li> 1 Production Experience: You&rsquo;ve been through production launches before and know what it takes &mdash; setting up infrastructure, handling edge cases, ensuring reliability, and managing the inevitable surprises.</li><li>
Pragmatic Perfectionism: You balance technical excellence with business velocity, you know when to refactor and when to ship quickly.</li><li>
Ownership Mentality: You&rsquo;re proactive, resourceful, and accountable for your work, you don&rsquo;t wait to be told what to do.</li><li>
Team Player: You collaborate well with others, give and receive feedback gracefully, and elevate those around you.</li><li>
Systems Thinking: You understand how components interact, design for reliability and maintainability, and think beyond your immediate feature.</li><li>
Clear Communication: You can explain technical decisions to non-technical stakeholders, document your work, and participate constructively in technical discussions.</li><li>
Continuous Learner: You stay current with industry trends, experiment with new technologies, and are energized by technical challenges.</li></ul><h4 class="jobSectionHeader">
Why us?</h4>
What We Offer 
<ul><li>
Competitive salary: &euro;85,000 - &euro;100,000</li><li>
Participation in our employee options programme</li><li>
On-site in Berlin, with flexible remote work as you see fit</li><li>
High autonomy, low politics, fast decision-making</li><li>
The chance to help build something new, with real influence on how people buy homes in Germany!</li></ul><h4 class="jobSectionHeader">
About us</h4>
We are an equal opportunity employer. We value diversity and are committed to an inclusive environment for all employees. If you are excited about the role but don't meet 100% of the requirements, we would still love to hear from you.</div>

Senior Backend & DevOps Engineer (Typescript, Kubernetes & GCP) f/m/d

idealo internet

<div>Reliable data, resilient services and scalable architectures are at the heart of every CRM interaction at idealo. As a Staff Engineer, you'll shape the technical foundation behind identity management, subscriptions, messaging and customer data, helping build a platform that supports personalized user experiences at scale.
This role combines backend engineering, data engineering and architectural leadership. You'll influence how data flows across systems, how services communicate through event-driven architectures, and how technical decisions support idealo's long-term CRM strategy. Working closely with Software Engineers, Data Engineers and Product Managers, you'll help define technical direction across multiple domains.
You'll work with Java, Spring Boot, Kafka and AWS services including Snowflake, Glue and S3 in a modern cloud-native architecture. From data ingestion and transformation to customer-facing activation, you'll help build reliable systems that teams across idealo depend on every day. When new CRM capabilities go live, you'll see the direct impact of your work in millions of customer interactions.
The position is available in full or part-time.
<h3 class="jobSectionHeader">About your new role</h3><ul><li>
Define and evolve the technical architecture for CRM Tech, ensuring scalable, reliable and maintainable systems that support idealo's long-term business goals.</li><li>
Stay hands-on by designing and developing cloud-native microservices, event-driven applications and backend services with a strong focus on performance, security and operational excellence.</li><li>
Shape the evolution of our data platform by improving data architecture, ETL processes, data warehousing, event flows and integrations across multiple systems and domains.</li><li>
Lead technical initiatives within the team and across the wider product area, working closely with Product Managers and engineering teams to align technical solutions with business needs.</li><li>
Drive continuous improvements across software development, CI/CD pipelines, observability, monitoring and engineering practices while evaluating new technologies where they add measurable value.</li><li>
Mentor engineers through technical guidance, architecture discussions and code reviews, fostering a collaborative engineering culture focused on sustainable technical excellence.</li></ul><h3 class="jobSectionHeader"> 
Skills &amp; Requirements</h3><ul><li>
You bring extensive experience building cloud-native software systems on AWS and designing distributed, event-driven architectures using Java 17+, Spring Boot, Kafka and modern backend technologies.</li><li>
You have deep expertise in data architecture, data warehousing, ETL processes and data integration, combined with hands-on experience working with technologies such as Snowflake, Glue, S3 and MongoDB or other NoSQL databases.</li><li>
You are experienced with containerization and orchestration technologies including Docker and Kubernetes, and are familiar with serverless architectures, AWS Lambda and modern CI/CD practices.</li><li>
You have a strong understanding of software quality, security and reliability, including authentication, encryption, automated testing and secure software development practices.</li><li>
You have a proven track record of leading complex technical initiatives, influencing architectural decisions and aligning engineering work across teams without formal people management responsibility.</li><li>
You take ownership and independently drive topics forward. The confidence to speak up and challenge ideas constructively, paired with openness to diverse perspectives.</li></ul><h3 class="jobSectionHeader">
At idealo you can expect</h3><ul><li>
You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching &amp; mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.</li><li>
And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after-work beer, in addition to the &quot;standard foosball&quot;. It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.</li><li>
In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice.</li><li>
You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!</li><li>
Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.</li><li>
And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!</li></ul>
#LI-MW1</div>

Staff Engineer (m|w|d) - Backend and Data

Adsquare

<div>
 
 
 
 About the Company
 
 
 
 
 
 
 
 
 
 At Adsquare, our mission is driven by our core focus:
 
 
 
 
 
 
 
 <ul>
 <li>
 
 Passion
 
 &ndash; Solving complex challenges with great people, tech, and data.
 </li>
 <li>
 
 Niche
 
 &ndash; Location Intelligence for Programmatic Advertisers.
 </li>
 </ul>
 
 
 
 
 
 
 
 Our core values are integral to everything we do:
 
 
 
 
 
 
 
 <ul>
 <li>
 
 Drive
 
 : We turn ambition into action to deliver valuable outcomes.
 </li>
 <li>
 
 Resilience
 
 : We adapt, persevere, and grow stronger.
 </li>
 <li>
 
 No BS
 
 : We value honesty, transparency, and clear communication.
 </li>
 <li>
 
 Humble
 
 : We choose modesty over vanity and let results speak for themselves.
 </li>
 <li>
 
 Moral Compass
 
 : We do the right thing with fairness, integrity, and respect.
 </li>
 </ul>
 
 
 
 
 
 
 
 We seek candidates who not only bring top-tier technical expertise but also embody these values in every aspect of their work.
 
 
 
 
 
 
 
 
 
 About the Role
 
 
 
 
 
 
 
 
 
 As a (Senior) Data Engineer at Adsquare, you will be a key contributor to our core engineering function, creating and maintaining scalable big data pipelines that power our applications and drive business value. Because our engineering department handles a variety of critical data challenges, you will be assigned to a specific cross-functional squad based on your individual strengths, experience, and current business needs.
 
 
 
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 
 
 
 <ul>
 <li>
 
 Data Pipeline Ownership
 
 : Take full accountability for the pipeline lifecycle&mdash;from raw data ingestion to transformation and external delivery&mdash;according to defined SLAs, time, and budget.
 </li>
 <li>
 
 Architect Scalable Solutions
 
 : Design and build robust data architectures required to process and transfer terabytes of data.
 </li>
 <li>
 
 Pipeline Optimization
 
 : Continuously improve data pipelines for cost and performance. This includes analyzing query plans, optimizing compute and working memory, and strategically applying horizontal or vertical scaling.
 </li>
 <li>
 
 Engineering Rigor
 
 : Elevate data engineering standards. Implement CI/CD workflows, infrastructure-as-code, test-driven development (TDD), and automated testing to ensure reliable and maintainable code.
 </li>
 <li>
 
 Data Monitoring
 
 : Create and maintain live monitoring dashboards to ensure data solutions are healthy and to support strategic decision-making.
 </li>
 <li>
 
 Collaboration &amp; Mentorship
 
 : Bridge the gap between Data and Backend engineering. For Senior applicants, act as a technical leader by mentoring junior team members, conducting code reviews, and introducing best practices.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Qualifications
 
 
 
 
 
 
 
 
 
 We are looking for a candidate with varying levels of experience (mid-level to senior, typically 3-6+ years) in Data Engineering or Backend Development with a heavy data focus. You must be comfortable working in a self-organized, agile environment.
 
 
 
 
 
 
 
 
 
 Required Skills
 
 
 
 
 
 
 
 
 <ul>
 <li>
 
 Programming Mastery
 
 : Very strong proficiency in Python and SQL. You write modular, production-ready code and possess a solid understanding of both Functional Programming and Object-Oriented Programming (OOP) principles.
 </li>
 <li>
 
 Big Data &amp; PySpark
 
 : Deep experience with large-scale data processing frameworks, specifically Apache Spark / PySpark. You understand how to handle TB-scale datasets efficiently. Deep understanding of big data file formats like parquet and avro. Experience with open Lakehouse formats like Iceberg.
 </li>
 <li>
 
 Advanced Optimization Skills
 
 : Proven experience in optimizing data pipelines for compute, working memory, and cost efficiency, including reading and analyzing complex query plans/profiles.
 </li>
 <li>
 
 Database &amp; Storage Architecture
 
 : Expertise in the trade-offs between OLAP and OLTP systems. You have built solutions using relational and non-relational (NoSQL) databases, and horizontally scalable data warehouses/lakehouses (e.g., Redshift, Snowflake, StarRocks).
 </li>
 <li>
 
 Cloud Native (AWS)
 
 : Experience architecting solutions within the AWS ecosystem (e.g., S3, Athena, Glue, EMR, Lambda, Batch).
 </li>
 <li>
 
 Infrastructure &amp; Orchestration
 
 : Production experience treating infrastructure as software using Terraform, alongside experience with orchestration tools like Airflow, dbt, or Step Functions.
 </li>
 <li>
 
 Engineering Fundamentals
 
 : Solid grasp of computer science principles, data structures, algorithms, and git-flow/CI/CD pipelines.
 </li>
 <li>
 
 AI tools
 
 : Good command of using AI tools (e.g. Claude Code, Kiro, Gemini Pro) to improve and refactor your code, increase your productivity and quality and performance of your code.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Preferred Skills
 
 
 
 
 
 
 
 
 <ul>
 <li>
 
 Compiled Languages
 
 : Experience with a compiled or strongly typed language (e.g., Java, Scala, Go, Kotlin, C++, Cython).
 </li>
 <li>
 
 Geospatial Data
 
 : Experience working with GIS (Geographic Information Systems) and geo-spatial datasets.
 </li>
 <li>
 
 Data Formats
 
 : Expertise in optimizing file formats (Parquet, Avro, Iceberg) for performance.
 </li>
 <li>
 
 Streaming Technologies
 
 : Familiarity with Kafka and Flink.
 </li>
 <li>
 
 Backend Context
 
 : Experience working closely with Backend engineers or familiarity with Backend architectural patterns (microservices, API design).
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Pay range and compensation package
 
 
 
 
 
 
 55,000 - 65,000 euros per year
 
 
 
 
 
 On top of a competitive package, we offer:
 
 
 
 
 
 
 
 <ul>
 <li>
 Hybrid work model + remote work from anywhere worldwide up to 3 months/year
 </li>
 <li>
 Individual yearly learning budget of 1,200&euro;
 </li>
 <li>
 30 vacation days per year
 </li>
 <li>
 Urban Sports Club membership
 </li>
 <li>
 Company pension scheme
 </li>
 <li>
 Regular team and company events
 </li>
 <li>
 Latest hardware and all tools you need to thrive
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Equal Opportunity Statement
 
 
 
 
 
 
 
 
 
 We are committed to diversity and inclusivity.
 
 
 
 
 
 
 
 
 Apply now!
 
 
 
 
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