Jobs für senior java backend developer bei Berlin

Senior Product Manager (m/f/d) - Personalization and Loyalty We are looking for an experienced Senior Product Manager (m/f/d) to lead our Personalization, Loyalty, and Apps strategy. In this role, you will be the technical owner of our personalization and CRM initiatives, driving topics that reward customer loyalty and deliver tailored experiences across all...

About the RoleThis is a player-coach Head of Engineering role at an early-stage B2B SaaS company in the construction technology and AI space. You will work directly with the founding team to own the full engineering roadmap and technical direction, while remaining hands-on alongside a team of five senior engineers. The role is central to scaling the platform...

Refugees from Ukraine seeking work (m/w/d) Tech & Product Brunnenstraße 19-21, 10119 Berlin, GermanyFull-timeCompany DescriptionThis is a fast-track application process for all of those who have lost their jobs in Ukraine and are urgently looking for work.If you are a refugee from Ukraine, please submit your application here and let us know which...

What we doMerantix Momentum is a Berlin-based AI startup focusing on accelerating AI adoption across many industries through B2B solutions, as well as publicly funded research projects. We work across several domains, including automotive, manufacturing, retail, healthcare and many more, transforming businesses as an external machine learning department. We...

Dear Developers,   We are currently looking for multiple Developers (Rust) in different roles for one of the leading tech companies in Europe. The position is 100% remote and long-term.   ROLES:- Fullstack Developer- Backend Developer- Frontend Developer   QUICK FACTS:- Freelancing/Contracting- 100% remote- Start: ASAP- Duration: long-term- Capacity:...

Cognee is building the memory engine + data plane for AI agents to plan, reason, and act. Our open-source Python SDK is in production at 70+ companies, hit GitHub Trending, and runs 550,000+ times per month. We've won early customers (including top-10 Pharma) and recently raised a large Seed. We are looking for a Principal Engineer / Lead for the Python SDK...

**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...

About us Zenjob is an AI-powered flexible staffing platform that has efficiently connected companies and temporary workers since 2015. Companies use our platform to book ready-to-work staff in real time, while students use our app to find part-time jobs that conveniently fit around their studies. Over 40,000 students and 1,000 partner companies from...

In your career, you have played a key role in the development of distributed and business-critical systems and ideally also operated them.As a senior candidate, you have ideally worked with Go for quite a while and used it in production systems.Alternatively, you are experienced with some other language such as Java, Kotlin or Rust and you want to learn...

Job DescriptionOwn the end-to-end architecture of modular add-ons (backend, frontend, integrations) and ensure scalability, security, and maintainabilityDesign and implement advanced backend logic (Laravel, queues, events) and complex database schemas optimized for high-traffic e-commerce environmentsOversee frontend integration within a micro-frontend setup...

Anyone AI is recruiting skilled software engineers to work on a project with a leading AI lab. Qualifications:Advanced professional written proficiency in English3–7 years of professional software engineering experienceStrong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or GoBackend or full‑stack development experience...

About Us STARK is a new kind of defence technology company revolutionising the way autonomous systems are deployed across multiple domains. We design, develop, and manufacture high-performance unmanned systems that are software-defined, mass-scalable, and cost-effective — providing operators with a decisive edge in contested environments. We are focused on...

At JetBrains, code is our passion. Ever since we started back in 2000, we have been striving to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create. The Python Ecosystem team builds PyCharm – one of the most popular Python...

Job descriptionRated is on a mission to keep the worlds machines aligned and accountable. Rated Labs, the developer behind Rated, was founded in 2022 by Elias Simos and Aris Koliopoulos. In the two years since founding we have built the Rated Explorer into a category defining and well loved product, among Node Operators in Web3. In reality, the work has...

The Partnership and Enterprise squad is building the infrastructure that powers the company's partner channel, a business that supports around 800 active partners and is growing fast. As the squad's Senior Full-Stack Engineer, you'll take end-to-end ownership of the Partner Portal, the product that sits at the heart of how the company's partners manage their...

About the role As a Fullstack Engineer (f/m/d) you'll play a key role in shaping and building our product at Zenjob. Working across the full stack, including event-driven backend services and polished user-facing interfaces, you'll collaborate closely with product managers and stakeholders, set engineering standards, and mentor others along the way. If you...

Job DescriptionJob Description Zendesk is at the forefront of enabling businesses to configure, control, and personalize next-generation AI agents. As Senior Product Manager for Agent Config & Personalization, you'll take ownership of developing and delivering features that allow customers to precisely manage their AI agents' tone, empathy, behavior, and...

At HelloFresh, our mission is simple: to change the way people eat, forever. As a global digital-native FMCG company and the world's leading mealkit provider, we are transforming the traditional food supply chain through a data-driven, on-demand model that enables scalable and more sustainable food delivery. The HelloFresh Group includes eight brands serving...

Birdrave GmbH is a small, engineering-driven team based in Berlin that builds software with passion. We build powerful platforms for complex use cases, from running the backbone of a massage studio powerhouse to powering multi-million dollar sports betting platforms. On top of that, we support early-stage companies in building their products. AI isn't a...

Job DescriptionWe are on the lookout for an Engineering Manager to lead one of our Payments engineering teams — a group of 6–10 backend engineers building the payments infrastructure that powers Delivery Hero across 65 countries. This role sits at the intersection of people leadership, technical depth, and cross-functional collaboration. You will grow a...