Stellenangebote für: - SENIOR BACKEND SOFTWARE ENGINEER BERLIN

Join our VERBI Team as a Senior Backend Engineer (m/f/x)! We are VERBI Software GmbH - the company behind MAXQDA - the #1 software for qualitative and mixed methods data analysis. We provide researchers, universities, and companies with an innovative and intuitive tool so they can accomplish great things. Professional service and a close connection to our community has paid off: since our founding in 1989 we have grown steadily and sustainably as a family company. Tasks You develop our AWS backe...

At Routine Labs, we are building Europe's first secure, auditable, and EU-compliant automation infrastructure for legacy systems. We're taking a practical approach to improving how engineers work with AI systems. Combining LLMs with familiar software engineering methods to make it easier for people to build, modify and maintain software automations. Our platform lowers the effort required to turn natural-language instructions into deterministic, testable code that can interface with and automate...

Über uns Unser Mandant ist ein ambitioniertes, europäisches FinTech-Unternehmen im Build-up-Stadium, das die Brücke zwischen traditioneller Finanzwelt und Blockchain-Technologie schlägt. Mit dem klaren Ziel, eine sichere und voll regulatorisch konforme (MiCA) On-Chain-Zahlungsinfrastruktur für die digitale Wirtschaft Europas zu etablieren, arbeitet ein hochkarätiges Team an zukunftsweisenden Settlement-Lösungen. Hier hast du die Chance, die finanzielle Infrastruktur von morgen aktiv mitzugestalt...

1KOMMA5° At 1KOMMA5°, we pursue a clear vision: Living on wind and sunlight forever for free. To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it?We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market - in re...

1KOMMA5° At 1KOMMA5°, we pursue a clear vision: Living on wind and sunlight forever for free. To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it? We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market - in r...

Wir sind adesso business consulting, das SAP-Powerhouse der adesso Group. Als führender IT-Dienstleister stehen wir für Kundenorientierung, Wachstum und starke Perspektiven. Unser größter Erfolgsfaktor? Das sind unsere Mitarbeitenden! Als SAP-Profis begleiten wir kundenspezifische Herausforderungen und unterstützen die Auswahl, Anpassung und Implementierung von SAP-Lösungen. Unsere langjährige Erfahrung kombiniert technisches und Branchen-Know-how mit strategischem Denken und kreativen Ideen. Da...

*Make sure that you add your portfolio as a URL, otherwise your application will be rejected. Are you a senior developer who crafts elegant frontends with React & TypeScript, and thrives in an engineering culture of innovation and ownership?* At TextCortex AI, you'll join a core team of ambitious builders on a mission to transform how organizations harness AI. We've scaled from a few thousand users to millions in just two years, earning recognition as a Top 10 AI product of 2025 on G2 and servin...

Decentriq is the rising leader in data-clean-room technology. With Decentriq, advertisers, retailers, and publishers securely collaborate on 1st-party data for optimal audience targeting and campaign measurement. Headquartered in Zürich, Decentriq is trusted by renowned institutions in the DACH market and beyond, such as RTL Ad Alliance, Publicis Media, and PostFinance. Our analytics & ML pipelines are the heartbeat of this platform. Built in Python (pandas) and Apache Spark, they run either in ...

We dig Web3. WeAreShovels.com is a Web3 engineering studio building and securing production-grade Web3 protocols, infrastructure, and tooling. We help Web3 builders dig deep, uncover value, and ship Web3 products that last - fast. We're looking for a Senior Web3 Frontend Engineer (Lead) who enjoys building great interfaces, leading others, and helping customers succeed. Tasks What you'll do Lead frontend architecture for complex Web3 applications (dashboards, protocol UIs, admin panels) Build in...

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 (f/m/d) with strong expertise in modern frontend and backend development, scalable system architectures, and high-quality software engineering ...

acemate is building an AI learning & teaching platform for higher and further education institutions. We have strong traction, secured funding and are entering an exciting growth phase. We're looking for a passionate Senior Backend Engineer / Developer to drive our product forward and help us scale. About acemate Founded in 2024, acemate has quickly become the leading AI learning platform for higher and further education, trusted by top-tier institutions across four countries, including Universi...

"Why join the navy if you can be a pirate?" - Unser Leitspruch. Deshalb suchen wir keine gewöhnlichen Backend-Entwickler. Du willst nicht Feature um Feature schippen - du willst die Infrastruktur bauen, auf der andere schneller und besser arbeiten? Du denkst in Systemen, nicht in Tickets, und willst Verantwortung für Code übernehmen, der morgen noch trägt? Dann suchen wir genau dich als Senior Backend Engineer für unseren Plattform-Bereich. Wer wir sind Wir sind ein führender Anbieter für cloudb...

Why are we looking for you? KUGU makes buildings CO-2-neutral and actively shapes the energy transition! From small co-operatives to large housing companies: Demand control, system maintenance and consumption monitoring are daily challenges in property management, which is still characterised by manual processes. The solution is digital data collection, intelligent analysis and automated solutions to increase efficiency and reduce energy consumption. Our decarbonisation platform supports the hou...

Wir entwickeln und betreiben eine End-to-End-Plattform für Car-Sharing und Fahrzeugvermietung, die heute bei Kunden in Deutschland, Österreich und Spanien im Einsatz ist. Die Plattform ist vollständig white-label-fähig und umfasst mobile Apps, Web-Applikationen, Back-Office-Tools sowie Integrationen mit Telematik-Hardware, Zahlungsdienstleistern und KYC-Anbietern - alles aus einer einzigen, modularen Codebasis. Das Backend basiert auf Java 17 / Jakarta EE 10 (Payara), das Frontend auf React / Re...

As a Senior AI Product Engineer you work within the product team closely with the Product Lead to deliver substantial projects across our AI-enabled telemonitoring platform end-to-end. You take ownership of specific projects from scoping through implementation, release, and post-launch iteration, contributing across the full stack. Tasks 1. Project Ownership and End-to-End Delivery You own projects end-to-end, from concept through prototyping, experimentation, testing, and continuous optimisatio...

Wir sind adesso business consulting, das SAP-Powerhouse der adesso Group. Als führender IT-Dienstleister stehen wir für Kundenorientierung, Wachstum und starke Perspektiven. Unser größter Erfolgsfaktor? Das sind unsere Mitarbeitenden! Als SAP-Profis begleiten wir kundenspezifische Herausforderungen und unterstützen die Auswahl, Anpassung und Implementierung von SAP-Lösungen. Unsere langjährige Erfahrung kombiniert technisches und Branchen-Know-how mit strategischem Denken und kreativen Ideen. Da...

These tasks are waiting for you You'll be a core contributor to the Admin Experience team. Design and develop secure, well-tested features across a TypeScript/Node.js backend and React frontend Contribute to our API-first infrastructure -- the engine behind how partners integrate insurance into their products Build AI-powered features using Claude and Gemini -- from intelligent claims automation to LLM-assisted OPS tooling we run in production today Design and implement agentic workflows -- mult...

Coding Partners is a dynamic software development agency specializing in empowering softare companies to build and ship products faster. We deliver custom, scalable software solutions and provide expert interim full-stack developer staffing, enabling our clients to achieve rapid and sustainable growth. Our focus is on agile development, quality, and building lasting partnerships within the European tech ecosystem. We are looking for a senior fullstack developer who can build, deploy, and maintai...

Your Impact As a Senior Backend Engineer (m/f/d) at 7Mind, you'll be part of a cross-functional team building technology that supports mental wellbeing at scale. You work end-to-end on features, take ownership of backend services and help shape a system that is reliable, maintainable and a pleasure to work with. In 2025, we fully rewrote and relaunched the 7Mind app and backend. Our new platform follows Domain-Driven Design principles and deliberately focuses on "delightfully boring" solutions: ...

Wir sind ein junges Health-Tech-Startup, das es Ärzt:innen ermöglicht, neue Distributed Healthcare Lösungen anzubieten, sodass Patient:innen in abgelegenen und unterversorgten Regionen Zugang zu Gesundheitsversorgung erhalten. Dies ist deine einzigartige Chance, Teil eines gut finanzierten Health-Tech-Unternehmens in der Frühphase zu werden - mit direktem Einfluss auf die Gesundheit unserer Patient:innen und unser Tech-Produkt von Grund auf mitzugestalten. Wir sind bereits im Einsatz und versorg...