Stellenangebote für: - SENIOR BACKEND SOFTWARE ENGINEER BERLIN

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...

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...

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...

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...

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: ...

Hackstack Collective verbindet außergewöhnliche Talente mit Organisationen, die digitale Souveränität ernst nehmen. Aktuell suchen wir für unseren Partner einen Senior AI & Software Engineer der die technische Entwicklung und Skalierung eines AI-Produkts verantwortet Aufgaben Deine Rolle bei unserem Partner Wenn wir dich mit einer Organisation aus unserem Netzwerk verbinden, erwartet dich keine Standard-Anstellung, sondern eine Schlüsselposition an der Schnittstelle von AI Engineering, Produkten...

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 You will help transform the business of selling renewable technologies at scale. With our core marketing a...

You are interested in the position as Senior Software Engineer at FICUS HEALTH? On the job platform Instaffo, you can apply for this and other jobs with ease. Create your profile in under 3 minutes and start the application process with just a few clicks. Please note that this position requires EU work authorization. The language requirements for this position are: English - Fluent. At Ficus Health we're building for the hospital of the future. Using the latest innovations in artificial intellig...

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 You will work on transforming the energy market by enabling seamless and efficient booking of our digital ...

Yoffix is a hybrid workplace management platform helping companies manage offices, desks, meeting rooms, parking, visitors, and team collaboration. Our platform integrates with Microsoft 365, Google Workspace, Slack, HR systems, calendars, and workplace infrastructure. We work with companies across Europe and build a real production SaaS product used daily by enterprise customers and distributed teams. As the platform grows, we are looking to strengthen engineering ownership across the product a...

Everything we do, starts with you. Together with you, we build the most human-centric fintech. To enable everyone’s future financial growth. 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 ...

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...

Your mission The Bikeleasing Group is one of Germany's leading providers of employer benefits and mobility solutions. With several specialized companies, strong profitable growth and a clear product vision, we are in the midst of a major technical transformation: modernizing legacy systems, building domain-oriented services and strengthening our engineering organization for long-term scalability. As a Senior Software Developer (gn), you play a key role in this journey. You don't just deliver fea...

Deine Aufgaben Die Bikeleasing Gruppe ist eine der führenden Anbieter von Employer-Benefits- und Mobilitätslösungen in Deutschland. Mit mehreren spezialisierten Unternehmen, starkem profitablem Wachstum und einer klaren Produktvision befinden wir uns mitten in einer technologischen Transformation: weg von zentralen Legacy-Strukturen, hin zu modernen, domänenorientierten Systemen und einer nachhaltig skalierbaren Engineering-Organisation. Als Senior Software Developer (gn) übernimmst Du eine zent...

adesso steht für IT-Exzellenz und damit auch für exzellente Entwicklungsmöglichkeiten für alle adessi. Wir wachsen gemeinsam und lernen voneinander - an unseren Projekten, im Team und mit herausragenden Trainingsangeboten. Wir haben IT im Herzen, die Branche im Blick und den Erfolg unserer Kunden im Sinn. Denn erfolgreiches Geschäft entsteht durch innovative Ideen, zukunftsfähige Strategien und kluge IT-Lösungen. Immer sind dabei Menschen beteiligt, die etwas bewegen wollen und das einfach mache...

Über uns Senior Backend Engineer (m/f/d) Location: Berlin, remote is possible Salary: 75.000 - 95.000 Euro, depends on your experience Backend: Java, Spring, Hibernate, PostgreSQL, Spring Boot Frontend: ReactJS, TypeScript, Redux, SASS QA: Selenium, Galen, Serenity, JUnit, Mockito, Jest, Mocha Build and Deploy: Jenkins, git, npm, Maven, Docker Infrastructure: AWS, Troposphere (python), Stacker, Cloudformation, Terraform (Infrastructure), Ansible, EKS (k8s) Agile: Kanban and Scrum Aufgaben Design...

Über uns Senior Backend Engineer (m/f/d) Location: Berlin, remote is possible Salary: 75.000 - 95.000 Euro, depends on your experience Backend: Java, Spring, Hibernate, PostgreSQL, Spring Boot Frontend: ReactJS, TypeScript, Redux, SASS QA: Selenium, Galen, Serenity, JUnit, Mockito, Jest, Mocha Build and Deploy: Jenkins, git, npm, Maven, Docker Infrastructure: AWS, Troposphere (python), Stacker, Cloudformation, Terraform (Infrastructure), Ansible, EKS (k8s) Agile: Kanban and Scrum Aufgaben Design...

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...

You are interested in the position as Lead DevOps & Deployment Engineer (f/m/d) at ONIQ GmbH? On the job platform Instaffo, you can apply for this and other jobs with ease. Create your profile in under 3 minutes and start the application process with just a few clicks. Please note that this position requires work authorization for Germany. The language requirements for this position are: English - Fluent. The estimated salary range from XING does not necessarily correspond to the salary range of...