intern full stack Jobs in Berlin

About Cognee Cognee is building the knowledge engine for AI agents to adapt and learn from feedback. We provide a developer tool for engineers and data scientists to build agentic systems that work in critical workflows – at scale. Our open-source Python SDK runs 1,000,000+ times per month, it is in production at 70+ companies, we reached 12k+ GitHub stars...

We're partnering with a fast-growing, well-funded technology company that is building next-generation AI-powered software products used by enterprise customers across complex, data-intensive industries. They're looking for a Senior Full Stack Engineer with a strong backend focus in Go, who enjoys working across the entire engineering stack; from scalable...

Deine Mission Wir suchen eine/n erfahrene/n Full-Stack Software Engineer, der oder die gerne an komplexen, gewachsenen Systemen arbeitet und moderne Engineering-Standards in bestehende Codebasen bringt. Was uns wichtig ist: Du denkst nicht nur in Features, sondern in nachhaltigen technischen Lösungen. Du kannst dich schnell in bestehende Systeme...

Als Teil unseres Dev-Teams arbeitest Du zusammen mit Deinen Kolleg:innen aus Content, Design, Konzeption und Projektmanagement an spannenden Projekten für unsere Kund:innen. Du setzt fertige Designs um und optimierst sie für alle Endgeräte, hast aber womöglich auch eigene Ideen für spannende UX-Elemente ein. Das Solltest Du Mitbringen • Core-Stack:...

IntroFor this position we are only looking for candidates located in Greece, Germany or Austria.Nairon GmbH is a Swiss startup building AI voice agents that answer and make phone calls for businesses. Our platform runs real-time conversations over the phone and on the web, connected to our customers' telephony and business tools. We value clear...

Design, develop, and maintain scalable web applications using modern frontend and backend frameworks.Implement micro-frontend architectures and integrate with distributed backend services.Build and consume RESTful APIs; ensure robust automated testing across the stack.Contribute to CI/CD pipelines and cloud-native deployments.Participate in code reviews,...

At Fabrikatör, we’re building the next generation of operational intelligence for commerce brands. E-commerce teams still run their operations with spreadsheets, gut feeling, and disconnected tools. Forecasts break, stock runs out, money gets locked in inventory, and teams spend their days firefighting instead of building. We’re fixing this. Today,...

Location: Berlin, Germany (Hybrid)Work Policy: : Hybrid; fully remote possible for exceptional candidatesWork Experience: +5 years experienceLanguage Requirement: English B2Employment Type: Full-timeTechnical Skills Required: Full Stack Development, TypeScript, React Native, LLMs, API design, ElectronIndustry: HealthTech/Software-as-a-Service (SaaS)Positions...

Tech Lead/ Full Stack Developer Location: Berlin, Germany Company Overview Outcomes4Me is on a mission to democratize healthcare and improve outcomes by empowering every cancer patient, whomever and wherever they are, with the tools and resources that enable them to take a proactive approach to their care. Founded in 2017, our award-winning AI-driven...

Seit der Übernahme durch die CHAPTERS Group AG im Jahr 2025 baut die Linear Service GmbH neben ihrem etablierten Kernsystem für Vereinsverwaltung und Buchhaltung ein komplett neues Cloud-Produkt auf. Das bestehende System bleibt – es läuft weiter und wird von unseren Kunden aus Vereinen, Verbänden und Schulen täglich genutzt. Parallel dazu entsteht...

Who Are We?Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our...

At think-cell, we are continuously improving how professionals create business presentations by introducing smarter automation andassistancefeatures into our product.In this role, you will help turnnew ideasand early AI-driven concepts into reliable features used by more than1.3 million usersworldwide. You will build production-ready systems that connect...

Your mission We're looking for product-minded engineers to join our diverse and driven team. We really value collaboration, making an impact, and continuous learning. Our product development team is based in Berlin, but we have folks working all over Europe, and you'll work closely with an experienced and supportive team. Your profile We are looking for a...

AVAYL is a fast-growing, VC-backed startup revolutionizing Medical Information processes in the life science industry through AI‑driven solutions. We envision a world where Medical Information evolves with the pace of evidence generation and build tools to empower our customers to optimize their interactions with health care professionals and patients. Why...

Work Model: 100% Remote (Must be based in Germany) | HQ: Kiel, GermanyContract Type: Permanent, Full-timeCompensation: €60,000 – €75,000 gross per annumLanguage Requirements: Native/Fluent German (C2 level) & Working Proficiency in English About the Opportunity Step into a crucial role with a pioneer in healthcare software and digital consulting...

Senior Full-Stack EngineerAbout the RoleWe are looking for Senior Full-Stack Engineer with strong experience across React/TypeScript frontend development and Node.js/TypeScript backend systems. This is a long-term, fully remote opportunity within a fast-moving fintech environment, working EST hours.The ideal candidate is proactive, asks thoughtful questions,...

Hybrid remote model - working with AI - Salary: €75,000 - €110,000Area:Berlin and surroundingsA fast-growing, Berlin-based technology company is developing a leadingplatform for analyzing brand visibility in generative AI search engines (such asChatGPT, Perplexity, Claude, Gemini). Over 100 teams, agencies and brands already usethis solution to make AI...

Du willst nicht einfach Code schreiben, sondern ein Produkt mitgestalten, das echten Impact hat? Bei KlickBoost entwickelst du gemeinsam mit uns die Zukunft des digitalen Recruitings – unsere eigene Bewerbungssoftware, die täglich hunderten Fachkräften den Einstieg in neue Jobs ermöglicht. Wir verbinden modernes Tech-Stack, klare Strukturen und die...

Über PlanD und was wir bauenPlanD ist die führende ERP-Lösung für Gebäudereinigungsunternehmen im DACH-Raum. Jetzt beginnt die nächste Phase: Die beste AI-ERP Lösung am Markt werden, Skalierung auf >10 Mio. ARR, Upmarket-Expansion und konsequentes AI-first Company Building.Die Rolle und worum es gehtDu hilfst uns, neue Features zu shippen, in unserem...

Your challengeAs a Senior Full Stack Software Engineer (all genders), you will play a key role in building and evolving Hubject's cloud-native eMobility platform. Working across backend, frontend and cloud infrastructure, you will design, develop and operate scalable, secure and high-performing applications that power electric mobility worldwide. You will...