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...

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...

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...

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...

Company Description Since its foundation in 2007, Solactive AG has evolved into one of the world's most important and fastest-growing index providers. From our headquarters in Frankfurt, we power global investment products across ETFs, structured products, and mandates. Our reputation is built on innovation, speed, flexibility, and strong partnerships. Job Overview The User Interfaces Team at Solactive defines, implements, and maintains our Design System, the foundation for consistent, high-qual...

*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 ...

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-...

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° 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...

About us Unser Kunde in Berlin entwickelt und betreibt eine moderne AI-Software Suite für das Ingenieurwesen. Die Plattform unterstützt Unternehmen bei der Planung, Bauüberwachung und im Projektmanagement komplexer Bau- und Infrastrukturprojekte. Zur Weiterentwicklung der bestehenden Produktlandschaft wird ein Senior PHP Developer (m/w/d) gesucht, der Erfahrung mit modernen AI-Tools und AI-gestützten Entwicklungsprozessen mitbringt und diese produktiv in Softwareentwicklung, Automatisierung und ...

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...

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° 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...

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...

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...