founding software engineer (backend, cloud & ai infrastructure)

full stack engineer

senior software engineer

backend engineer (m/f/x)

desktop software engineer c++ Jobs in Berlin

desktop software engineer c++

founding software engineer (backend, cloud & ai infrastructure) Jobs in Berlin

backend software engineer

develop

<div>
 <p>
  <strong>
   Software Engineer | Java, AWS | Berlin | &euro;70k - &euro;85k | German B2+
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We're looking for a talented Software Engineer with a strong background in Java and AWS to join a fast growing team in Berlin.
 </p>
 <p>
  <br/>
 </p>
 <p>
  In this role, you'll develop and maintain scalable backend applications, contribute to the design of new features, and work closely with product managers, QA, and fellow engineers to deliver high-quality software. We're looking for someone who enjoys solving technical challenges, writing clean, maintainable code, and collaborating in an agile environment.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities:
  </strong>
 </p>
 <ul>
  <li>
   Design, develop, and maintain high-quality Java applications and backend services
  </li>
  <li>
   Build and enhance RESTful APIs and integrate with internal and external systems
  </li>
  <li>
   Collaborate with cross-functional teams to deliver new features from concept through to production
  </li>
  <li>
   Write clean, maintainable, and well-tested code following engineering best practices
  </li>
  <li>
   Participate in code reviews and contribute to technical discussions and architectural decisions
  </li>
  <li>
   Troubleshoot, debug, and optimise applications to ensure performance and reliability
  </li>
  <li>
   Support continuous improvement of development processes and engineering standards
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Requirements:
  </strong>
 </p>
 <ul>
  <li>
   Strong commercial experience developing applications with Java
  </li>
  <li>
   Experience building RESTful APIs and backend services
  </li>
  <li>
   Strong cloud experience with AWS
  </li>
  <li>
   Familiarity with relational databases and modern software development practices
  </li>
  <li>
   Experience working in Agile/Scrum teams
  </li>
  <li>
   German language skills at B2 level or above (required)
  </li>
  <li>
   Strong communication skills and a collaborative mindset
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  If you're interested please get in touch ASAP!
 </p>
 <p>
  <br/>
 </p>
</div>


Senior Software Engineer

ENWAY a Bucher Company

<div>
 <p>
  Autonomous street cleaning is no longer a concept - it's on the road. At ENWAY, a Bucher Municipal company based in Berlin, we turn conventional street sweepers into self-driving machines through advanced robotics and software engineering. We've just launched our first product: the Bucher CityCat VR17ae, a fully autonomous compact sweeper.
 </p>
 <br/>
 <p>
  As our Full Stack Web Engineer, you'll build the web applications and tools that bring our vehicles to life for the people who operate them - fleet dashboards, customer and operator portals, and the internal tools our engineering and operations teams rely on every day. You'll own features end to end, from UI to API to data.
 </p>
 <br/>
 <p>
  This is a role for a versatile engineer who's comfortable across the stack, cares about building things people actually use, and enjoys turning complex data - live vehicle telemetry, fleet status, mission data - into clear, reliable interfaces. You'll work closely with our product, design, robotics, and operations teams.
 </p>
 <br/>
 <p>
  Backed by Bucher Municipal, a world-leading manufacturer of municipal cleaning vehicles (sweepers, sewer cleaning, winter maintenance, refuse collection, and digital services), you get startup pace with industrial-scale impact.
 </p>
 <br/>
 Tasks
 <br/>
 <ul>
  <br/>
  <li>
   Build and maintain web applications across the full stack - frontend, backend, and APIs - for fleet monitoring, operations, and customer-facing products.
  </li>
  <br/>
  <li>
   Turn live vehicle and fleet data into clear, responsive dashboards and visualisations (status, telemetry, maps, reports).
  </li>
  <br/>
  <li>
   Design and build robust APIs and data models, and integrate with our vehicle, telematics, and backend systems.
  </li>
  <br/>
  <li>
   Build internal tools that make our engineering, service, and operations teams faster.
  </li>
  <br/>
  <li>
   Own features end to end: design, implement, test, deploy, and iterate based on real user feedback.
  </li>
  <br/>
  <li>
   Collaborate closely with product, design, robotics/software, and operations to ship the right things.
  </li>
  <br/>
  <li>
   Help shape our frontend/backend architecture, standards, and best practices as our digital products grow.
  </li>
  <br/>
 </ul>
 <br/>
 Requirements
 <br/>
 <p>
  <strong>
   Must have:
  </strong>
 </p>
 <br/>
 <ul>
  <br/>
  <li>
   Experience building and shipping production web applications end to end (frontend and backend).
  </li>
  <br/>
  <li>
   Proficiency with a modern frontend framework (e.g. React, Vue, or Angular) and TypeScript/JavaScript.
  </li>
  <br/>
  <li>
   Solid backend experience (e.g. Node.js) building and maintaining REST and/or GraphQL APIs.
  </li>
  <br/>
  <li>
   Good command of relational databases (e.g. PostgreSQL) and sound data modelling.
  </li>
  <br/>
  <li>
   Comfortable with Git, automated testing, and CI/CD.
  </li>
  <br/>
  <li>
   Solid grasp of web fundamentals, API design, and security basics.
  </li>
  <br/>
  <li>
   Ownership mindset - you take features from idea to production and care about quality.
  </li>
  <br/>
  <li>
   Able to work independently and collaboratively in a cross-functional team.
  </li>
  <br/>
  <li>
   3+ years of professional full-time experience.
  </li>
  <br/>
  <li>
   Fluent English.
  </li>
  <br/>
 </ul>
 <br/>
 <p>
  <strong>
   Nice to have:
  </strong>
 </p>
 <br/>
 <ul>
  <br/>
  <li>
   German language skills.
  </li>
  <br/>
  <li>
   Real-time data (WebSockets, streaming) and event-driven systems.
  </li>
  <br/>
  <li>
   Maps and geospatial data (e.g. Mapbox, Leaflet, PostGIS).
  </li>
  <br/>
  <li>
   Cloud (AWS/GCP/Azure) and containers (Docker).
  </li>
  <br/>
  <li>
   Data-visualisation / dashboard experience.
  </li>
  <br/>
  <li>
   A good eye for UI/UX and working closely with designers.
  </li>
  <br/>
  <li>
   Interest in robotics, IoT, telematics, or hardware-connected products.
  </li>
  <br/>
 </ul>
 <br/>
 Benefits
 <br/>
 <ul>
  <br/>
  <li>
   Build digital products that put autonomous and connected vehicles into real-world operation.
  </li>
  <br/>
  <li>
   High ownership and direct impact - your work is used every day by operators, customers, and colleagues.
  </li>
  <br/>
  <li>
   30 days of vacation per year.
  </li>
  <br/>
  <li>
   Flexible working times &amp; Hybrid working (achievement of goals matters, not "face time").
  </li>
  <br/>
  <li>
   Flat hierarchies and the freedom to develop and implement your own ideas.
  </li>
  <br/>
  <li>
   High-performance company laptop.
  </li>
  <br/>
  <li>
   Lunch &amp; fitness-studio subsidies.
  </li>
  <br/>
  <li>
   Cool and vibrant working environment at the center of groundbreaking innovation.
  </li>
  <br/>
  <li>
   Exciting team events.
  </li>
 </ul>
</div>


Full Stack Web Engineer (f/m/d)

GLS/NXT

<div>
 <p>
  Join
  <strong>
   GLS/NXT
  </strong>
  as a
  <strong>
   Senior Backend Engineer
  </strong>
  and help shape the future of out-of-home delivery. We&rsquo;re building the
  <strong>
   OOH Platform
  </strong>
  - a scalable system that empowers carriers across multiple countries to deploy, manage, and optimize parcel locker networks with ease.
 </p>
 <br/>
 <p>
  At GLS/NXT, you&rsquo;ll work at the intersection of
  <strong>
   startup energy and enterprise muscle -
  </strong>
  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.
 </p>
 <br/>
 <p>
  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.
 </p>
 <br/>
 Tasks
 <br/>
 <ul>
  <br/>
  <li>
   Design, build, and maintain server-side applications with a focus on performance, scalability, and reliability.
  </li>
  <br/>
  <li>
   Collaborate with cross-functional teams to define, design, and ship new features and improvements.
  </li>
  <br/>
  <li>
   Drive best practices in code quality, security, and testing across the development lifecycle.
  </li>
  <br/>
  <li>
   Troubleshoot, debug, and upgrade existing software systems proactively and effectively.
  </li>
  <br/>
  <li>
   Stay current with emerging technologies and industry trends to continuously drive innovation within the team.
  </li>
  <br/>
 </ul>
 <br/>
 Requirements
 <br/>
 <ul>
  <br/>
  <li>
   <strong>
    5+ years of proven experience
   </strong>
   as a Backend Engineer or in a similar role within a cross-functional team environment.
  </li>
  <br/>
  <li>
   <strong>
    Proficiency in Kotlin
   </strong>
   for backend development.
  </li>
  <br/>
  <li>
   <strong>
    Strong hands-on experience with Spring Boot
   </strong>
   , building robust and scalable services.
  </li>
  <br/>
  <li>
   <strong>
    Solid experience with SQL and relational databases
   </strong>
   , including schema design and performance optimization.
  </li>
  <br/>
  <li>
   <strong>
    Experience with event-driven architectures
   </strong>
   (e.g., Kafka, SNS/SQS).
  </li>
  <br/>
  <li>
   <strong>
    Proficiency in REST API design principles
   </strong>
   , microservices architecture, and cloud-based services (preferably AWS).
  </li>
  <br/>
  <li>
   <strong>
    Experience deploying applications
   </strong>
   using containerization and orchestration tools (e.g., Docker, Kubernetes).
  </li>
  <br/>
  <li>
   <strong>
    Comfortable working in an Agile environment
   </strong>
   , embracing incremental delivery and continuous feedback.
  </li>
  <br/>
  <li>
   <strong>
    Strong problem-solving and analytical skills
   </strong>
   , with a keen eye for debugging and performance tuning.
  </li>
  <br/>
  <li>
   <strong>
    Excellent written and verbal communication skills in English
   </strong>
   , with the ability to explain complex technical concepts clearly to diverse audiences.
  </li>
  <br/>
 </ul>
 <br/>
 Benefits
 <br/>
 <ul>
  <br/>
  <li>
   <strong>
    Dynamic workplace:
   </strong>
   A digital environment with international projects and space to learn and grow
  </li>
  <br/>
  <li>
   <strong>
    Flexible work conditions:
   </strong>
   Hybrid working mode with a tailored remote policy
  </li>
  <br/>
  <li>
   <strong>
    Focus on learning:
   </strong>
   A personal budget (1.000&euro;) for learning and development initiatives
  </li>
  <br/>
  <li>
   <strong>
    Physical space for ideas:
   </strong>
   A great office space in Berlin Mitte with top-tier equipment
  </li>
  <br/>
  <li>
   <strong>
    Transparent and competitive compensation:
   </strong>
   A salary package that reflects your expertise and experience.
  </li>
  <br/>
  <li>
   <strong>
    Active participation:
   </strong>
   A clear bonus system enabling participation in your and the team&rsquo;s performance
  </li>
  <br/>
  <li>
   <strong>
    Engaging team culture:
   </strong>
   Monthly team cooking, regular events and offsites
  </li>
  <br/>
  <li>
   <strong>
    Vacation policy:
   </strong>
   30 days of yearly holiday
  </li>
  <br/>
  <li>
   <strong>
    Reward system:
   </strong>
   Rewards for the recommendation of additional team members
  </li>
  <br/>
 </ul>
 <br/>
 <p>
  <strong>
   About GLS/NXT
  </strong>
 </p>
 <br/>
 <p>
  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.
 </p>
 <br/>
 <p>
  <strong>
   Commitment to Diversity
  </strong>
 </p>
 <br/>
 <p>
  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.
 </p>
</div>


Senior Backend Engineer

Schwarz Digits KG

<p></p><div><div><div><div><ul><li><div><div><h2 class="jobSectionHeader"><b>Standort</b></h2><div><div>
Karl-Liebknecht-Stra&szlig;e 32<br>
10178 Berlin</div></div></div></div></li><li><div><div><p>
</p></div><div><h2 class="jobSectionHeader"><b>Abteilung / Bereich</b></h2><div><div>
IT - Software Engineering</div></div></div></div></li><li><div><div><p>
</p></div><div><h2 class="jobSectionHeader"><b>Einstiegslevel</b></h2><div><div>
Berufserfahrene</div></div></div></div></li><li><div><div><p>
</p></div><div><h2 class="jobSectionHeader"><b>Arbeitsmodell</b></h2><div><div>
Vollzeit/Teilzeit</div></div></div></div></li><li><div><div><p>
</p></div><div><h2 class="jobSectionHeader"><b>Referenznummer</b></h2><div><div>
2794</div></div></div></div></li></ul></div></div></div>
<div><div><div><p>
Schwarz Digits schafft das technologische Fundament f&uuml;r digitale Entscheidungsfreiheit in Europa. Als IT- und Digitalsparte der Schwarz Gruppe entwickeln und verantworten wir einerseits die IT-Infrastrukturen f&uuml;r die Handelssparten Lidl und Kaufland sowie die Schwarz Produktion und PreZero. Gleichzeitig agieren wir als unabh&auml;ngiger Anbieter am externen Markt, um Unternehmen in ganz Europa bei ihrer digitalen Transformation zu unterst&uuml;tzen. Unsere Kernleistungen b&uuml;ndeln wir in den Bereichen Cloud, Cyber Security, Data &amp; AI, Communication und Workspace. Trage auch du zur digitalen Entscheidungsfreiheit in Europa bei.<br>
<br>
Bei uns arbeitest du an der Schnittstelle zwischen Agilit&auml;t und Sicherheit: Du profitierst von den schnellen Entscheidungswegen, genie&szlig;t echte Gestaltungsspielr&auml;ume in deinen Projekten und baust dabei auf das stabile Fundament der Schwarz Gruppe.</p></div></div></div>
<div><div><h3 class="jobSectionHeader"><b>
Deine Aufgaben</b></h3><div><div><ul><li>
Du entwickelst robuste Daten-Pipelines (Python + SQL) f&uuml;r den Betrieb eines Data Warehouse und tr&auml;gst ma&szlig;geblich zur Definition und dem Aufbau eines passenden Datenmodells bei.</li><li>
Du verantwortest den Betrieb unserer Datenplattform, die vielf&auml;ltigen Nutzerkreisen das Treffen von Entscheidungen erm&ouml;glicht.</li><li>
Du &uuml;bernimmst die technische Leitung eines agilen Engineering Teams, das den gesamten Software-Entwicklungs-Lifecycle abdeckt: von Anforderungen, Architektur und Design &uuml;ber Implementierung und Testing bis hin zu Deployment, Operations und Support.</li><li>
Du verantwortest die Architektur, achtest auf Produktqualit&auml;t und identifizierst und reduzierst aktiv technische Schulden.</li><li>
Du hast Kosten, Zeit und Budget der Entwicklung im Blick und triffst datengetriebene und ganzheitliche Entscheidungen.</li><li>
Du leitest ein Core Engineering Team durch den Entwicklungsprozess, etablierst Standards und sorgst f&uuml;r kontinuierliche Prozessverbesserungen.</li><li>
Du bist der erste Ansprechpartner und Sparringspartner f&uuml;r den Product Owner, begleitest die Anforderungsanalyse und tauschst dich mit Key-Usern aus.</li><li>
Du &uuml;bernimmst Verantwortung f&uuml;r die pers&ouml;nliche und fachliche Weiterentwicklung der Software Engineers in deinem Team.</li></ul></div></div></div><div><h3 class="jobSectionHeader"><b>
Dein Profil</b></h3><div><div><ul><li><b>
Erfahrung</b>: Du hast <b>mindestens 4 Jahre professionelle Erfahrung im Data Engineering oder der Softwareentwicklung</b> (au&szlig;erhalb deines Studiums) und bist bereit f&uuml;r eine technische F&uuml;hrungsrolle (oder bringst bereits erste Erfahrungen mit).</li><li><b>
Tech Stack</b>: Du besitzt tiefgreifende, praxiserprobte Kenntnisse im Aufbau und der Verwaltung eines Data Warehouse und der Softwareentwicklung im Backend (Python, o.&auml;.) wie auch im Frontend (Vue, React o. &auml;.).</li><li><b>
Cloud &amp; Architektur</b>: Cloud-native Technologien (Docker, Kubernetes), analytische Datenbanken (BigQuery, Snowflake) und Data Warehousing sind dein t&auml;gliches Handwerkszeug. Du hast ein starkes architektonisches Verst&auml;ndnis (inkl. Design Patterns wie Strategy Pattern, Clean Code, modulare Architekturen).</li><li><b>
Qualit&auml;t &amp; Operations</b>: Automatisiertes Testing, CI/CD, IT-Sicherheit und Best Practices im Deployment sind f&uuml;r dich nicht verhandelbar. Erfahrung mit hoch skalierbaren, Daten-intensiven Systemen ist ein gro&szlig;es Plus.</li><li><b>
Agiles Mindset &amp; Leadership</b>: Du hast eine hohe Eigeninitiative, arbeitest stark datengetrieben und hast Freude daran, Wissen zu teilen und dein Team auf das n&auml;chste Level zu heben.</li><li><b>
Sprachen</b>: Sehr gute Englischkenntnisse; Deutschkenntnisse sind ein Plus (oder die Bereitschaft, diese auszubauen).</li><li><b>
Ausbildung</b>: Abgeschlossenes IT-Studium oder eine vergleichbare Ausbildung mit fundierter Praxiserfahrung.</li></ul></div></div></div></div>
<div><h2 class="jobSectionHeader"><b>Unsere Benefits</b></h2><p></p><div><div><div><p>
</p></div></div></div></div><p></p><div><h2 class="jobSectionHeader"><b>Dein Ansprechpartner</b></h2><div><div><h3 class="jobSectionHeader"><b>
Lara Schlimgen</b></h3><p>
Recruiterin</p><ul><li>
E-Mail:recruiting@mail.schwarz</li></ul></div></div></div>
<div><h2 class="jobSectionHeader"><b>Dein Bewerbungsprozess im &Uuml;berblick</b></h2><div><div><div><div>
1</div><h3 class="jobSectionHeader"><b>
Bewerbung</b></h3></div><div>
Wir lieben die Einfachheit. Bewirb dich schnell und unkompliziert digital, gerne auch ohne Registrierung.</div></div><div><div><div>
2</div><h3 class="jobSectionHeader"><b>
Checkup</b></h3></div><div>
Gemeinsam mit dem zust&auml;ndigen Fachbereich werfen wir einen Blick in deine Unterlagen.</div></div><div><div><div>
3</div><h3 class="jobSectionHeader"><b>
Kennenlernen</b></h3></div><div>
Bei einem ersten Kennenlernen liegt der Fokus sowohl auf deiner Pers&ouml;nlichkeit als auch auf deiner fachlichen Eignung.</div></div><div><div><div>
4</div><h3 class="jobSectionHeader"><b>
Vertragsangebot</b></h3></div><div>
Haben wir uns gegenseitig &uuml;berzeugt? Dann ist dein Arbeitsvertrag digital per Mail auf dem Weg zu dir.</div></div><div><div><div>
5</div><h3 class="jobSectionHeader"><b>
Willkommen</b></h3></div><div>
Dein erster Arbeitstag bei uns steht an und dein individuelles Onboarding im Team startet. Wir freuen uns auf dich!</div></div></div></div>
<div><div><div><h2 class="jobSectionHeader"><b>Diese Stellen k&ouml;nnten auch interessant sein</b></h2></div><p></p><div><p>
</p><div><div><div><p>BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>Initiativbewerbung IT Entwicklung</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>SAP ABAP Developer - EWM (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>SAP ABAP Developer (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>Solution Architect ServiceNow (Risk Assessment) (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>ServiceNow Developer - ITSM / CSM (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>(Senior) AI-Assisted Software Engineer (m/w/d) - Fokus Backend (Go / Kotlin)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>SAP ALM Spezialist (m/w/d) - Schwerpunkt Focused Run und Cloud ALM</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
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</p><h3 class="jobSectionHeader"><b>SAP ABAP Developer - Gro&szlig;- und Au&szlig;enhandel (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div><div><div><div><p>
BerufserfahreneBad Friedrichshall
</p><h3 class="jobSectionHeader"><b>Software Engineer - Fullstack (m/w/d)</b><b>(m/w/d)</b></h3></div></div></div></div></div></div></div><p></p>

Engineering Lead - Supply Chain Data Platform (m/w/d)

Adsquare

<div>
 <br/>
 <p>
  <strong>
   About the Company
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  At Adsquare, our mission is driven by our core focus:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Passion
   </strong>
   &ndash; Solving complex challenges with great people, tech, and data.
  </li>
  <li>
   <strong>
    Niche
   </strong>
   &ndash; Location Intelligence for Programmatic Advertisers.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Our core values are integral to everything we do:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Drive
   </strong>
   : We turn ambition into action to deliver valuable outcomes.
  </li>
  <li>
   <strong>
    Resilience
   </strong>
   : We adapt, persevere, and grow stronger.
  </li>
  <li>
   <strong>
    No BS
   </strong>
   : We value honesty, transparency, and clear communication.
  </li>
  <li>
   <strong>
    Humble
   </strong>
   : We choose modesty over vanity and let results speak for themselves.
  </li>
  <li>
   <strong>
    Moral Compass
   </strong>
   : We do the right thing with fairness, integrity, and respect.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We seek candidates who not only bring top-tier technical expertise but also embody these values in every aspect of their work.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   About the Role
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  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.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Data Pipeline Ownership
   </strong>
   : 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>
   <strong>
    Architect Scalable Solutions
   </strong>
   : Design and build robust data architectures required to process and transfer terabytes of data.
  </li>
  <li>
   <strong>
    Pipeline Optimization
   </strong>
   : 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>
   <strong>
    Engineering Rigor
   </strong>
   : 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>
   <strong>
    Data Monitoring
   </strong>
   : Create and maintain live monitoring dashboards to ensure data solutions are healthy and to support strategic decision-making.
  </li>
  <li>
   <strong>
    Collaboration &amp; Mentorship
   </strong>
   : 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>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Qualifications
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  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.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Required Skills
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Programming Mastery
   </strong>
   : 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>
   <strong>
    Big Data &amp; PySpark
   </strong>
   : 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>
   <strong>
    Advanced Optimization Skills
   </strong>
   : Proven experience in optimizing data pipelines for compute, working memory, and cost efficiency, including reading and analyzing complex query plans/profiles.
  </li>
  <li>
   <strong>
    Database &amp; Storage Architecture
   </strong>
   : 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>
   <strong>
    Cloud Native (AWS)
   </strong>
   : Experience architecting solutions within the AWS ecosystem (e.g., S3, Athena, Glue, EMR, Lambda, Batch).
  </li>
  <li>
   <strong>
    Infrastructure &amp; Orchestration
   </strong>
   : Production experience treating infrastructure as software using Terraform, alongside experience with orchestration tools like Airflow, dbt, or Step Functions.
  </li>
  <li>
   <strong>
    Engineering Fundamentals
   </strong>
   : Solid grasp of computer science principles, data structures, algorithms, and git-flow/CI/CD pipelines.
  </li>
  <li>
   <strong>
    AI tools
   </strong>
   : 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>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Preferred Skills
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Compiled Languages
   </strong>
   : Experience with a compiled or strongly typed language (e.g., Java, Scala, Go, Kotlin, C++, Cython).
  </li>
  <li>
   <strong>
    Geospatial Data
   </strong>
   : Experience working with GIS (Geographic Information Systems) and geo-spatial datasets.
  </li>
  <li>
   <strong>
    Data Formats
   </strong>
   : Expertise in optimizing file formats (Parquet, Avro, Iceberg) for performance.
  </li>
  <li>
   <strong>
    Streaming Technologies
   </strong>
   : Familiarity with Kafka and Flink.
  </li>
  <li>
   <strong>
    Backend Context
   </strong>
   : Experience working closely with Backend engineers or familiarity with Backend architectural patterns (microservices, API design).
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Pay range and compensation package
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  55,000 - 65,000 euros per year
 </p>
 <p>
  <br/>
 </p>
 <p>
  On top of a competitive package, we offer:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <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>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Equal Opportunity Statement
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are committed to diversity and inclusivity.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Apply now!
 </p>
 <p>
  <br/>
 </p>
</div>


Data Engineer (m/f/d)

<div><h2 class="jobSectionHeader"><b>About the Opportunity</b></h2>
<p>
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.</p>
<p>
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.</p>
<p>
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.</p>
<h2 class="jobSectionHeader"><b>
In this role, you will:</b></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"><b>What you need to be successful</b></h2>
<h3 class="jobSectionHeader"><b>Background and Skills:</b></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"><b>Nice to have:</b></h3>
<ul>
<li><p>Working experience in scale-ups within platform teams.</p>
</li>
</ul><h3 class="jobSectionHeader"><b>Traits:</b></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"><b>What's in it for you:</b></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. <i>Some roles may require additional in-office presence</i>.</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"><b>Who we are</b></h2>
<p>
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.</p>
<p>
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.</p>
<p>
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.</p>
<p><b>
Sounds good? Apply now for this position.</b></p>
<p><b>
Equal Opportunities:</b></p>
<p>
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.</p>
<p>
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.</p>
<p>
Visit our website to learn more about Diversity, Equity, &amp; Inclusion at N26.</p></div>

Junior Backend Engineer - Data Ingestion

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.
 <br/>
 <br/>
 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.
 <br/>
 <br/>
 Our vision: power Europe&rsquo;s transition to a fully decentralized, intelligent, and clean energy system.
 <br/>
 <br/>
 <strong>
  Job Description
  <br/>
  <br/>
 </strong>
 As a
 <strong>
  Senior AI Platform Engineer
 </strong>
 , 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.
 <br/>
 <br/>
 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.
 <br/>
 <br/>
 What you will do
 <br/>
 <br/>
 <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.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Qualifications
  <br/>
  <br/>
 </strong>
 <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.
   <br/>
   <br/>
  </li>
 </ul>
 Additional Information
 <br/>
 <br/>
 <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.
   <br/>
   <br/>
  </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)

Explore 72+ Backend software engineer in Berlin this July. Find roles across top companies and apply now to boost your career.