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 Für unseren Kunden suchen wir im Rahmen der Direktvermittlung einen erfahrenen Senior Software Engineer (m/w/d) Backend, die leistungsstarken und skalierbaren Backend-Systeme entwickelt und kontinuierlich weiterentwickelt. In dieser Position übernehmen Sie Verantwortung für die Konzeption und Implementierung moderner Softwarearchitekturen, optimieren bestehende Services und sorgen für stabile sowie performante Anwendungen. Aufgaben Entwicklung, Weiterentwicklung und Optimierung moderner...

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...

Über uns Für unseren Kunden suchen wir im Rahmen der Direktvermittlung einen erfahrenen Senior Software Engineer (m/w/d) Backend, die leistungsstarken und skalierbaren Backend-Systeme entwickelt und kontinuierlich weiterentwickelt. In dieser Position übernehmen Sie Verantwortung für die Konzeption und Implementierung moderner Softwarearchitekturen, optimieren bestehende Services und sorgen für stabile sowie performante Anwendungen. Aufgaben Entwicklung, Weiterentwicklung und Optimierung moderner...

Are you tired of working on products you don't really care about? Do you want to work on something that has a positive impact on humanity and our planet? Do you like to get stuck in and are you passionate about coding? Then we have a great opportunity for you. At Global Changer, you will work on a solution with a clear goal: helping companies reduce emissions faster. We focus on one of the biggest levers to fight the climate crisis and work mainly with large organisations. We are backed by well-...

We are looking for a (Senior) Backend Engineer (C#/.Net) (m/f/d) Join our team at our location in Berlin – hybrid working conditions available. Our solutions contribute to flexible and customer-friendly payment alternatives. We offer consumers the opportunity to choose when and how they want to pay, whilst guaranteeing a steady and predictable cashflow for merchants. Our products make us proud, but not content and we have high ambitions for our existing as well as upcoming products. We have a st...

Für unsere Organisation GEMA Digital im Bereich Solutions Engineering am Standort Berlin suchen wir zum nächstmöglichen Zeitpunkt eine/-n Senior Software Engineer (m/w/d) in Vollzeit Du liebst kulturelle Vielfalt? Dann hilf mit, sie zu schützen! Bei der GEMA Digital gestalten wir die digitale Zukunft der Musiklizenzierung. Unsere interdisziplinären Teams entwickeln moderne und skalierbare Lösungen für Urheber, Verlage und Lizenznehmer. Gemeinsam mit unseren Partnern bauen wir Plattformen, die Kr...

Für unsere Organisation GEMA Digital im Bereich Solutions Engineering (Distribution) am Standort Berlin suchen wir zum nächstmöglichen Zeitpunkt eine/-n Senior Software Engineer (m/w/d) in Vollzeit (40 Stunden/Woche) Du liebst kulturelle Vielfalt? Dann hilf mit, sie zu schützen! Bei der GEMA Digital gestalten wir die digitale Zukunft der Musiklizenzierung. Unsere interdisziplinären Teams entwickeln moderne und skalierbare Lösungen für Urheber, Verlage und Lizenznehmer. Gemeinsam mit unseren Part...

Für unser Team Solutions Engineering (FIV & Licensing) im Bereich GEMA Digital am Standort Berlin suchen wir zum nächstmöglichen Zeitpunkt eine/einen: Senior Software Engineer (m/w/d) in Vollzeit (40 Stunden/Woche). Du liebst kulturelle Vielfalt? Dann hilf mit, sie zu schützen! Als Senior Software Engineer übernimmst du eine Schlüsselrolle in der technischen Gestaltung unserer Lösungen rund um Lizenzierung, Fördermodelle und Innovationsverteilung. Du bist Sparringspartner für Fachbereiche, Archi...

We are a young health-tech Startup, enabling doctors to provide new distributed healthcare solutions, by treating patients in remote and underserved areas. This is your unique opportunity to join a well-funded early-stage health-tech company - having a direct impact on our patient's health - and shaping our Tech-product from scratch. We are already operational and serving hundreds of patients every month. Aufgaben Take ownership of building and delivering features to our customers. We strongly b...

1KOMMA5° We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected! Become a part of our mission and learn about our Product & Tech team! Deine Position As a mobile engineer at 1KOMMA5°, you will be one of the first members of a cross-functional team alongsid...

*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 ...

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...

Über uns: Die DIN Solutions GmbH steht innerhalb der DIN-Gruppe für eine hohe technische Expertise und ist verantwortlich für die Entwicklung und den Betrieb von Software, Plattformen und Datenbanken. Unsere Aufgabe ist es, (Kunden-)Anforderungen in technische Lösungen zu übersetzen. Darüber hinaus entwickeln wir Lösungen für Normenanwender und Kooperationspartner der DIN-Gruppe. Wir suchen ab sofort in Berlin - unbefristet - Tech Lead (m/w/d) C# / .NET Aufgaben DIN Solutions GmbH sucht ab sofor...

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...

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...

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: ...