mern stack developer Jobs in Berlin

Java Developer – Schwerpunkt Softwarearchitektur (w/m/d) 50Hertz Transmission GmbH – ein Unternehmen der europäischen Elia Group • Berlin • Berufserfahrene • Befristet Ich will den Job * Vollzeit * Heidestraße 2, Berlin * Befristet auf 2 Jahre * Zum nächstmöglichen Termin * Stellen-ID: Hier übernehme ich eine zentrale Rolle in...

Was erwartet dich Du konzipierst und implementierst skalierbare Python-Services und APIs (z. B. FastAPI/Flask/Django), schreibst sauberen, testbaren Code (Unit/Integration) und überführst Features sicher in den produktiven Betrieb. Du gestaltest belastbare Backend- und Datenarchitekturen für Banking/Kapitalmarkt, modellierst Daten (SQL/NoSQL/Analytics),...

Du möchtest moderne Backend-Systeme entwickeln und gleichzeitig an innovativen KI-Projekten mitarbeiten? In dieser Rolle entwickelst du skalierbare Cloud-Anwendungen mit Python, arbeitest mit einem modernen, state-of-the-art Tech-Stack und bringst KI-basierte Lösungen produktiv zum Einsatz. Gemeinsam mit Product, Design und DevOps gestaltest du robuste...

♾️ Your mission TypeScript | React | Vite | Node.js | AWS Serverless | Lambda | API Gateway | DynamoDB | Cognito | IaC We build ETERNO Cloud, the operating system for modern medical practices. It brings patient access, communication, documentation, billing, analytics, and daily practice operations into one cloud SaaS platform. The product is serverless,...

At Digital Turbine, we make mobile advertising experiences more meaningful and rewarding for users, app publishers, and advertisers — intelligently connecting people in more ways, across more devices. We provide app publishers and advertisers with powerful ads and experiences that captivate consumers, fuel performance, and help telecoms and OEMs...

Sokra is building an AI-powered adaptive learning platform that's already being tested by 50+ schools across Germany. Major publishers are reaching out, and we're preparing our angel round. We're a team of 3 founders (EXIST-backed, HU Berlin) looking for our first engineer — not an employee, but a co-builder with real ownership. Tasks Own and shape the...

Technische Tiefe und Beratungsstärke - du brauchst dich nicht zu entscheiden. Als Senior Developer & Consultant - CIAM (m/w/d) bei amiconsult bringst du beides zusammen, übernimmst Verantwortung, wo es zählt, und prägst ein Team, das gemeinsam wächst. Du findest uns in Berlin-Kreuzberg und Karlsruhe. Bei uns entwickelst du dich zur treibenden Kraft -...

Bei ADCELL, dem am schnellsten wachsenden Affiliate-Marketing-Netzwerk Deutschlands, gestaltest Du als Senior Fullstack Developer (w/m/d) moderne, skalierbare Tracking- und Softwaresysteme. Unsere Mission: digitales Marketing mit smarter Technologie effizienter und transparenter machen. Du bringst Deine Expertise in Architekturentscheidungen ein, entwickelst...

What we do Merantix Momentum is a Berlin-based AI startup focusing on accelerating AI adoption across many industries through B2B solutions, as well as publicly funded research projects. We work across several domains, including automotive, manufacturing, retail, healthcare and many more, transforming businesses as an external machine learning department. We...

About the roleTaktile is building a platform for creating, publishing, and executing AI-powered agents that help teams automate complex workflows in financial services. The Agents team owns the agent execution runtime, tool orchestration, and platform infrastructure that makes this possible, including the conversational copilot experiences built on top of it...

Remote in our day-to-day work. On-site when it matters.We work remote by default – focused, efficient, and with full ownership. For larger features, architectural decisions, and real brainstorming sessions, we come together in Berlin or Cologne – fast, hands-on, and without unnecessary meeting overhead.We use AI to accelerate – not to replace...

Verwaltungssprung is a Berlin-based GovTech company developing AI-powered software solutions to simplify and digitize administrative processes. Our platform enables citizens and public institutions to access secure, user-friendly, and fully digital public services. To support the growth of our organization, we are looking for a Senior Full Stack Engineer...

Tilta is a fast-growing fintech based in Berlin. Founded by experienced fintech entrepreneurs in 2022, the company is building the infrastructure that enables marketplaces and e-commerce platforms to offer seamless, credit-backed payment experiences for their business customers.Joining Tilta means becoming part of a small, ambitious team where engineers...

Your mission:Contribute to full stack development of the Cloud EMS platform, including frontend (Angular) and backend (Kotlin/Ktor, Node.js, PostgreSQL) components.Develop responsive, user-friendly interfaces and maintain backend services, supporting microservices architecture.Implement and maintain automated testing (unit, integration, end-to-end) to ensure...

GeneralMind builds AI Systems of Action for complex enterprise workflows. We deploy AI employees that automate messy operational handovers across supply chains - processing orders, validating invoices, coordinating suppliers, and handling exceptions directly on top of enterprise systems like SAP, Oracle, JDE, and Dynamics. Our platform combines AI agents,...

We are smava – the online credit comparison platform. We make loans transparent, fair and affordable! With more than 300.000 satisfied customers, we are one of the biggest FinTech companies in Germany. Become now part of our vision to shape the digital future of the consumer loan market! Our engineering teams operate with a high degree of independence....

Bei ADCELL , dem am schnellsten wachsenden Affiliate-Marketing-Netzwerk Deutschlands, gestaltest Du als Senior Fullstack Developer (w/m/d) moderne, skalierbare Tracking- und Softwaresysteme. Unsere Mission: digitales Marketing mit smarter Technologie effizienter und transparenter machen. Du bringst Deine Expertise in Architekturentscheidungen ein,...

About the role As a Fullstack Engineer (f/m/d) you'll play a key role in shaping and building our product at Zenjob. Working across the full stack, including event-driven backend services and polished user-facing interfaces, you'll collaborate closely with product managers and stakeholders, set engineering standards, and mentor others along the way. If you...

We're a young, well-funded health-tech startup on a mission to make quality care reachable for everyone. By enabling doctors to deliver distributed healthcare solutions, we bring treatment to patients in remote and underserved areas — and we're already operational, serving hundreds of patients every month. This is your opportunity to join at an early...

You love code, wealth and disruptive solutions? Then continue reading! What we do: wealthAPI enables financial multipliers to monetize trust. We provide core financial solutions for large financial education and comparison platforms, portals and other partners. Together, we drive the ongoing disruption of the wealth management market - with one goal: empower...