java backend engineer senior Jobs in Berlin

Senior Frontend Engineer – TypeScript / React – Contract Location: Germany / Remote Working Model: Remote / Hybrid options available Contract: 6 months initially, with potential extension Start Date: ASAP Rate: €80–€100 per hour Experience: Mid-Level to Senior Language: English required; German advantageous Senior Frontend Engineer – TypeScript /...

About UsWe believe every child deserves the chance to reach their full potential — and that strong foundations in literacy and numeracy are where this begins.EIDU partners with governments to strengthen public education systems at scale. Our technology-enabled platform integrates proven educational interventions and supports learners, teachers, and...

koppla is building the next-gen collaborative scheduling platform for construction , helping project managers keep projects on time by identifying delays and disruptions before they impact timelines. We are looking for a product-minded Product Engineer in Berlin that loves building actual products while taking ownership of the entire feature-building...

Your MissionAt Dive, we are building a cloud-native, agent-native simulation platform that makes advanced heat and fluid simulation accessible to every mechanical engineer. You’ll collaborate with expert engineers across disciplines on technically demanding problems across our product stack, from developing and enhancing solvers and algorithms in C++ and...

Wir entwickeln aktuell eine B2B-SaaS-Produkt im Stealth Mode. Die technische Basis steht, erste zentrale Produktfunktionen sind bereits entwickelt und jetzt beginnt die für uns spannendste Phase: Aus einer starken Basis ein marktreifes Produkt zu bauen, das wir anschließend skalieren können. Dafür suchen wir einen Senior Full-Stack Product Engineer...

Your challengeAs a Senior Full Stack Software Engineer (all genders), you will play a key role in building and evolving Hubject's cloud-native eMobility platform. Working across backend, frontend and cloud infrastructure, you will design, develop and operate scalable, secure and high-performing applications that power electric mobility worldwide. You will...

🏢 Who we areA team from Germany with the vision to make advanced network security accessible for everyoneWe are a software company developing an open source zero-trust network security platform that is both easy to use and affordable for teams of all sizes and budgets. Our mission is grounded in a simple yet powerful belief: secure private networking is a...

Raisin is the world’s leading platform for savings and investment products. Founded in 2012, the FinTech connects consumers with banks in the EU, the UK and the US. This gives consumers better interest rates and banks a diversified form of refinancing. Our vision is to offer savings and investments without barriers and thus open up the global 160 trillion...

What we do Merantix 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...

In a nutshellkoppla is building the next-gen collaborative scheduling platform for construction, helping project managers keep projects on time by identifying delays and disruptions before they impact timelines.We are looking for a product-minded Product Engineer in Berlin that loves building actual products while taking ownership of the entire...

Job Descriptionbuild data products as production software by designing, implementing, testing, deploying, and operating end-to-end systemsbring backend engineering rigor to data through clean code, sensible APIs, automated testing, and strong observabilityown systems end-to-end and stay responsible for incidents, operational quality, performance tuning, and...

About UsWe believe every child deserves the chance to reach their full potential — and that strong foundations in literacy and numeracy are where this begins.EIDU partners with governments to strengthen public education systems at scale. Our technology-enabled platform integrates proven educational interventions and supports learners, teachers, and...

Your Tasks • Design, implement, and govern a holistic testing strategy across all IaaS products encompassing unit, integration, staging/smoke and production (live) testing, acceptance, configuration, disaster recovery, and performance testing. • Build robust, reusable automated test primitives and scaffolding specifically for OpenStack, Kubernetes,...

Hi there! At Data4Life, we develop secure, standards-compliant digital health solutions that empower researchers and public health institutions to advance evidence-based medicine. As a nonprofit supported by the Hasso Plattner Foundation, we build scalable research infrastructures — supporting international standards such as FHIR and OMOP — and...

Please note: For this position, we are unable to offer visa sponsorship or relocation support. Applicants must already hold the legal right to work in Germany (e.g., EU/EEA citizenship or a valid residence/work permit). About usZenjob is an AI-powered flexible staffing platform that has efficiently connected companies and temporary workers since 2015....

About HASHHASH's open-source platform helps firms integrate both structured and unstructured information into knowledge graphs that support simulating, optimizing and automating processes. Our mission is to solve information failure, and help everybody make the right decisions. To that end, we're unapologetically excited. Actions speak louder than words, and...

Summary We are looking for a Lead Software Engineer (m/f/x) to help shape the long-term technical direction of the platform that is driving FACTUREE's digital transformation of the manufacturing industry. You’ll join a small team of dedicated software engineers and work closely with Product and QA to strengthen our architecture, establish engineering...

Job DescriptionWe are on the lookout for a Senior Data Scientist to join our Content tribe. We’re building the next generation of ratings & reviews (social proof) systems from scratch — reimagining how millions of users make decisions across our platforms. This is a true greenfield space where we’re leveraging LLMs and modern NLP approaches to turn...

THE ROLE AND THE TEAM Over the last years, we learned that solving fulfillment-related challenges for the good of our customers helps us to fuel the growth of our platform. With more partners in Partner Program and Connected Retail joining our platform, we have been developing and testing additional further fulfilment services tailored to their needs. As a...

who we are We help our clients to stay ahead of their competition by blending unique cross-platform experience design with well-versed engineering expertise, across touchpoint like web, mobile, car, watch or TV. At blended.io we believe that top notch digital services and physical products can only be achieved with a deep understanding in Engineering coupled...