senior backend 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

ALMETRA

<div>We&rsquo;re looking for a backend engineer who thrives in fast-moving environments and enjoys building robust systems end-to-end. You&rsquo;ll work across data pipelines, APIs and infrastructure, ensuring our platform runs efficiently and scales cleanly as we grow.
Your role<ul><li>
Develop and maintain backend features and APIs for our core platform</li><li>
Improve database performance, reliability and real-time data processing</li><li>
Debug, profile and optimise code to keep latency low and systems stable</li><li>
Collaborate with AI, frontend and product teams to integrate new capabilities</li><li>
Contribute to architectural decisions and shape the evolution of our backend stack</li></ul>
You are<ul><li>
5-7 years&rsquo; experience building production-grade backends (Python is a must; additional experience in Go, C++, or Java is valuable)</li><li>
Solid in SQL and data modelling (PostgreSQL or similar)</li><li>
Experienced with REST APIs and cloud environments (AWS preferred)</li><li>
Comfortable working independently and taking ownership of a problem</li><li>
Startup mindset &mdash; quick to ship, focused on quality, allergic to bureaucracy</li></ul>
Nice to have<ul><li>
Linux debugging and performance tuning</li><li>
Familiarity with orchestration (Kubernetes, Terraform, Ansible)</li><li>
Experience with data pipelines or analytical databases</li><li>
Interest in edge/cloud hybrid architectures</li></ul>
Why this role matters 
You&rsquo;ll help shape how data moves through our system &mdash; building fast, reliable infrastructure that powers every customer interaction.
What we offer
Employee Share Options Program for all permanent employees*
An increasing benefits list: currently includes Urban Sports club and quarterly team retreats.
Be on the forefront in defining what artificial intelligence means in manufacturing
Gain hands-on experience in working in an AI-first software company
Supportive and inclusive culture that values diversity and promotes the advancement of underrepresented groups within the company
Collaborate with a diverse (currently more than 10 nationalities) and talented team, working on cutting-edge projects with real-world impact
Network with professionals and leaders in the field, opening doors to potential future career opportunities
We have a very flat hierarchy, open 360&deg; feedback, and flexible working hours
Ethics: We are committed to developing ethical AI software 
 
Don't meet all the requirements?
Almetra is committed to creating a workplace that is diverse, fair, and inclusive. We encourage candidates from all backgrounds, even if they do not meet every qualification, to submit their application. We firmly believe that having a team with diverse perspectives only strengthens our company and drives innovation. Our commitment also extends to providing an accessible environment for everyone, including those with disabilities. Please let us know if you require any accommodations during the application process or while working with us, and we will do our best to support you.<ul><li> 
Only full-time, permanent roles are eligible for stock options. Part-time roles, contract roles, work-student, internships and freelance roles are not eligible for stock options.</li></ul>
Compensation Range: &euro;70K - &euro;90K</div>

Senior Backend Engineer (m/f/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

BETA Systems Software AG

<div><div><div><div><div><h2 class="jobSectionHeader">&Uuml;ber uns</h2></div><div>
Wir sind ein unabh&auml;ngiger, mittelst&auml;ndischer Softwareanbieter. 50 Prozent der gr&ouml;&szlig;ten europ&auml;ischen Banken sowie &ouml;ffentliche Einrichtungen und Unternehmen aller Branchen sichern ihre sensiblen Gesch&auml;ftsprozesse mit unseren L&ouml;sungen ab.
Hochwertige Softwareprodukte im Bereich Sicherheit und Nachvollziehbarkeit in der IT und zur automatisierten Verarbeitung gr&ouml;&szlig;ter Daten- und Dokumentenmengen lassen uns als deutsches Unternehmen zu einem der f&uuml;hrenden Mittelst&auml;ndler in Europa z&auml;hlen.
Es gibt deutschlandweit vier Standorte in Berlin, M&uuml;nchen, K&ouml;ln und Neustadt an der Weinstra&szlig;e. Zus&auml;tzlich gibt es &uuml;ber 20 Tochtergesellschaften weltweit.
Wir sind ein f&uuml;hrender Anbieter im Bereich Identity &amp; Access Management und unterst&uuml;tzen Unternehmen dabei, ihre digitale Sicherheit effizient zu gestalten. Unsere L&ouml;sungen erm&ouml;glichen es, Nutzeridentit&auml;ten zentral zu verwalten, Zugriffe zu kontrollieren und Compliance-Anforderungen zu erf&uuml;llen. Zur Verst&auml;rkung unseres Entwicklungsteams am Standort Berlin suchen wir ab sofort einen:
Senior Software Engineer (Backend) (m/w/d)</div></div><div><div><h2 class="jobSectionHeader">
Deine Aufgaben</h2></div><div>
Als Senior Backend Developer bist du Teil eines europ&auml;ischen Entwicklungsteams (Schwerpunkt Deutschland) und entwickelst moderne, skalierbare Backend-Systeme im Umfeld von Identity &amp; Access Management (IAM). Du gestaltest aktiv Architektur, Datenmodelle und Entwicklungsprozesse &ndash; inklusive des Einsatzes von KI zur Unterst&uuml;tzung in der Softwareentwicklung. Zu den wichtigsten Aufgaben geh&ouml;ren:<ul><li>
Entwicklung und Weiterentwicklung von Backend-Systemen auf Basis von Java / Spring Boot</li><li>
Design und Implementierung von Microservices und API-basierten Architekturen</li><li>
Modellierung und Optimierung von Datenbanken</li><li>
Aufbau und Pflege von CI/CD-Pipelines (GitLab) sowie Build- und Deployment-Prozessen</li><li>
Umsetzung fachlicher Anforderungen in robuste, wartbare Softwarel&ouml;sungen</li><li>
Einsatz von KI-Tools zur Unterst&uuml;tzung von Entwicklung, Testing und Refactoring</li><li>
Enge Zusammenarbeit im agilen Team sowie Mentoring von Kollegen</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Dein Profil</h2></div><div><ul><li>
Begeisterung und Leidenschaft f&uuml;r die Softwareentwicklung</li><li>
Nachweisliche Erfahrung als Senior Software Engineer</li><li>
Mehrj&auml;hrige Erfahrung in der Backend-Entwicklung mit Java / Spring Boot</li><li>
Erfahrung mit GitLab CI/CD, Build- und Deployment-Prozessen</li><li>
Erfahrung mit Cloud-nativen Architekturen und Microservices</li><li>
Fundiertes Verst&auml;ndnis von Softwarearchitektur, Design Patterns und Clean Code</li><li>
Praktische Erfahrung mit KI-gest&uuml;tzter Softwareentwicklung</li><li>
Strukturierte, eigenverantwortliche Arbeitsweise und ausgepr&auml;gte Teamf&auml;higkeit</li><li>
Gute Deutsch- und Englischkenntnisse</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Was wir anbieten:</h2></div><div><ul><li>
Unbefristeter Arbeitsvertrag und 30 Tage Urlaub</li><li>
Flexible Arbeitszeiten, Homeoffice-Option und moderne Arbeitsmittel</li><li>
Betriebliche Altersvorsorge, die von uns bezuschusst wird</li><li>
Arbeitgeberfinanzierte Unfall- und Berufsunf&auml;higkeitsversicherung</li><li>
Zuschuss zum Jobticket</li><li>
Fahrrad-Leasing mit Zuschuss</li><li>
Kontinuierliche Weiterbildungs- und Weiterentwicklungsm&ouml;glichkeiten</li><li>
Exklusive Mitarbeiterangebote mit Sonderkonditionen f&uuml;r Produkte und Leistungen renommierter Hersteller und Marken</li><li>
Eine angenehme und lockere Arbeitsatmosph&auml;re mit gelebter Du-Kultur</li><li>
Ein betriebliches Gesundheitsmanagement (Yoga- und R&uuml;ckenfitkurse, Psychologie- und Facharztservice doQtor)</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Kontakt</h2></div><div>
Haben wir Dein Interesse geweckt?
Dann bewirb Dich &uuml;ber unseren Online-Bewerberbogen. Wir freuen uns!<h2 class="jobSectionHeader">
Garancy AG</h2>
Vivien B&ouml;hm 
Human Resources</div></div></div></div></div><div></div>

Senior Software Engineer (Backend) (m/w/d)

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!
 
 
 
 
</div>

Data Engineer (m/f/d)

Enpal

<div>
 At Enpal, we are not just a company; we are a movement. As a leading European greentech unicorn, we are on a mission to make clean energy simple, accessible, and scalable for homeowners across the continent.
 
 
 Through solar panels, heat pumps, home batteries, and EV charging, we are redefining residential energy. With Enpal Energy, we are building Europe&rsquo;s leading platform to manage and orchestrate millions of distributed energy assets &mdash; laying the foundation for the largest Virtual Power Plant (VPP) in Europe.
 
 
 Our vision: power Europe&rsquo;s transition to a fully decentralized, intelligent, and clean energy system.
 
 
 
 Job Description
 
 
 
 As a
 
 Senior AI Platform Engineer
 
 , you will design and build the internal AI Engine that powers all AI capabilities across Enpal Energy. This is not about wrapping APIs &mdash; it is about building the core infrastructure that makes AI reliable, scalable, and production-grade.
 
 
 We are looking for a systems thinker with strong engineering fundamentals and a deep understanding of modern AI systems. You care about reliability, observability, and building platforms that enable other engineers to move fast with confidence.
 
 
 What you will do
 
 
 <ul>
 <li>
 Own the design and development of the internal AI platform powering all AI features.
 </li>
 <li>
 Build a robust Agent Runtime to orchestrate complex AI workflows in production.
 </li>
 <li>
 Design scalable backend services and developer-facing APIs for AI systems.
 </li>
 <li>
 Build internal tooling for evaluation, observability, tracing, and debugging (latency, cost, quality, reliability).
 </li>
 <li>
 Define standards for AI quality, including evaluation frameworks, versioning, and reproducibility.
 </li>
 <li>
 Collaborate closely with product and engineering teams to enable fast, safe, and deterministic AI feature delivery.
 </li>
 <li>
 Own CI/CD pipelines, infrastructure as code, and production readiness of AI systems.
 </li>
 <li>
 Continuously improve performance, reliability, and cost efficiency.
 </li>
 <li>
 Contribute to architectural decisions shaping the long-term AI strategy.
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 5&ndash;7+ years of software engineering experience (mid to senior level).
 </li>
 <li>
 Strong background in backend systems, platform engineering, or internal developer platforms.
 </li>
 <li>
 Strong proficiency in TypeScript and Node.js (JavaScript ecosystem).
 </li>
 <li>
 Solid understanding of modern AI system design, including agentic architectures vs. chains, tool use and function calling, and orchestration patterns.
 </li>
 <li>
 Experience in LLM APIs (e.g. OpenAI, Anthropic, DeepSeek) and AI infrastructure.
 </li>
 <li>
 Experience building observability, logging, tracing, and evaluation systems.
 </li>
 <li>
 Strong focus on reliability, determinism, and production-grade engineering.
 </li>
 <li>
 Experience building APIs and integrating complex systems.
 </li>
 <li>
 Familiarity with CI/CD tools (GitHub Actions, Azure DevOps, or similar).
 </li>
 <li>
 Strong commitment to clean, testable, and scalable code.
 </li>
 <li>
 (Senior level) Experience mentoring engineers and driving technical decisions.
 
 
 </li>
 </ul>
 Additional Information
 
 
 <ul>
 <li>
 Join Germany&rsquo;s leading green unicorn and help shape the energy transition.
 </li>
 <li>
 Work in a diverse team of 65+ nationalities united by one mission.
 </li>
 <li>
 Hybrid work model: office or remote &mdash; your choice.
 </li>
 <li>
 Our Berlin HQ offers a fully equipped startup environment (rooftop, gym, lounges, events).
 </li>
 <li>
 Structured onboarding, including a welcome session with our founder.
 </li>
 <li>
 Regular company updates, technical deep dives, and knowledge sharing sessions.
 </li>
 <li>
 Strong team culture, ownership mindset, and frequent team events.
 </li>
 <li>
 A strong feedback culture that values continuous improvement.
 
 
 </li>
 </ul>
 At Enpal, diversity and inclusion are core values. Hiring decisions are made without discrimination of any kind.
</div>

AI Platform Engineer (f/m/d)

<div><h2 class="jobSectionHeader">About the Opportunity</h2>

We are seeking a Junior Backend Engineer to join the Data Ingestion Team within the Platform Engineering Domain. This is an exciting opportunity for an early-career engineer to grow their skills building high-throughput data processing systems.

Platform Engineering's mission is to provide trusted, performant, and self-service platforms. As part of this, the Data Ingestion team is responsible for building and maintaining the pipelines that power our bank's data ecosystem, focusing on reliability, scalability, and clean engineering practices.

The ideal candidate is an eager learner who is excited to dive into new technologies and solve technical challenges with the support of a senior team. We value engineers who are self-driven, seek constructive feedback, and thrive in a collaborative environment that prizes technical growth.
<h2 class="jobSectionHeader">
In this role, you will:</h2>
<ul><li>Software Development: Work under the guidance of senior engineers to develop and maintain backend services for our data ingestion platform.</li>
<li>Engineering Support: Support the team in applying strong engineering practices including writing automated tests, participating in code reviews, and maintaining observability.</li>
<li>Proactive Learning: Proactively ask questions, propose small improvements, and collaborate with the team to deliver clean, testable code for our platform services.</li>
<li>Knowledge Sharing: Participate in technical discussions, contribute to internal documentation, and help us maintain a transparent knowledge base.</li>
<li>Development Contribution: Contribute to infrastructure development tasks and participate in technical demos to showcase your work.</li>
<li>Shadow and Respond: Shadow on-call rotations and assist in troubleshooting efforts to learn incident response protocols.</li>
<li>Observability Support: Learn to maintain and use observability solutions (metrics, logging, tracing) to help the team track platform SLOs and availability.</li>
</ul><h2 class="jobSectionHeader">What you need to be successful</h2>
<h3 class="jobSectionHeader">Background and Skills:</h3>
<ul><li>Strong foundational backend skills, with a preference for Kotlin or Java, and a willingness to adapt to the language best suited for the task.</li>
<li>Exposure to data storage solutions such as PostgreSQL, RDS, or S3.</li>
<li>Basic knowledge of containers (Docker) and an eagerness to learn Kubernetes.</li>
<li>Exposure to infrastructure as code concepts (Terraform or similar).</li>
<li>Interest in learning CI/CD pipelines and modern automation tools.</li>
<li>Understanding of testing pyramids and experience writing unit and integration tests.</li>
<li>Familiarity with at least one observability/monitoring tool (e.g., DataDog, Prometheus, or Grafana).</li>
</ul><h3 class="jobSectionHeader">Nice to have:</h3>
<ul>
<li>Working experience in scale-ups within platform teams.
</li>
</ul><h3 class="jobSectionHeader">Traits:</h3>
<ul><li>Excellent collaboration and communication skills, with the ability to work across teams.</li>
<li>You enjoy taking tasks from start to finish and keeping the team updated on your progress.</li>
<li>A keen interest in understanding how to build high-quality, scalable, and secure infrastructure.</li>
<li>Eagerness to learn and contribute to building platforms as products.</li>
<li>A proactive approach to problem-solving, a desire to learn, and an appreciation for clean code.</li>
</ul><h2 class="jobSectionHeader">What's in it for you:</h2>
<ul><li>Accelerate your career growth by joining one of Europe's most talked about disruptors.</li>
<li>Employee benefits that range from a competitive personal development budget, work from home budget, discounts to fitness &amp; wellness memberships, language apps and public transportation.</li>
<li>Come together with your team in the office for a dedicated day of teamwork each week, plus another day of your choice, and enjoy the flexibility of remote work the rest of the time. Some roles may require additional in-office presence.</li>
<li>As an N26 employee you will have access to a Premium subscription on your personal N26 bank account. As well as subscriptions for friends and family members.
</li><li>Additional day of annual leave for each year of service.
</li><li>A high degree of autonomy and access to cutting edge technologies - all while working with a friendly team of peers of diverse nationalities, life experiences and backgrounds.</li>
</ul><h2 class="jobSectionHeader">Who we are</h2>

N26 has reimagined banking for today's digital world. Technology and design empower everything we do and it's how we are building the global banking platform the world loves to use.

We've eliminated physical branches, paperwork, and hidden fees for an elegant digital experience and supreme savings. Giving people the power to live and bank their way is what gets us out of bed in the morning and inspires the work that we do.

We are headquartered in Berlin with offices in multiple cities across Europe, including Vienna and Barcelona, and a 1,500-strong team of more than 80 nationalities.

Sounds good? Apply now for this position.

Equal Opportunities:

We recognize that our strength lies in our people and the varied perspectives they bring to our workforce. We strive to build talented and diverse teams to drive our business success and empower our people to reach their full potential.

We genuinely welcome and encourage applications from people of all backgrounds, cultures, genders, sexual orientations, abilities, neurodiversities, and ages. We're committed to creating an inclusive workspace where everyone feels valued and respected, free from harassment and discrimination. If there's anything you need to make the application process work for you, please let us know by reaching out to candidate.exp@n26.com.

Visit our website to learn more about Diversity, Equity, &amp; Inclusion at N26.</div>

Junior Backend Engineer - Data Ingestion

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