Open source developer jobs in Germany

 ...Context: 100% remote-first working infrastructure flexibility open to qualified engineers based inside Germany (holding a valid German...  ...or designing anti-cheat validation layers. Published or open-sourced contributions regarding agentic workflows, subagent scripts, or... 

 ...data backbone of Wikimedia projects and a key part of the global open knowledge ecosystem. You’ll help scale and sustain the Wikidata...  ...Wikidata Platform services with other systems and data sources across Wikimedia Collaborate with SRE, data engineers, and product... 

 ...automation while influencing engineering at scale, reporting to the Cloud DevOps Team Leader. About Innocraft & Matomo Matomo is an open-source analytics platform trusted by enterprises, public institutions, and governments requiring full data ownership. We’re looking... 

 ...internet a public, free, and accessible resource for all. Our open-source software assets, including the privacy-minded web browser Firefox...  ...engineer, security programmer, or core backend infrastructure developer within large, data-sensitive runtime setups. Masterful... 

 ...permanent, full-time remote configuration open across Germany. This specialized, fast-...  ...Generation (RAG) models, and uses advanced AI developers stacks (e.g., Cursor, Claude Code,...  ...monitor, evaluate, and inject frontier open-source AI frameworks, vector storage updates, and... 

 ...individual agency, and rapid iteration, the firm equips expert developers with an uncompromised remote canvas to leverage state-of-the-art...  ...Engineering collective in a full-time remote capacity open to qualified technical authorities resident anywhere across Germany... 

 ...complex ML evaluation pipelines. This role demands a seasoned developer who excels at handling backend complexities, balancing performance...  ...(SDLC). Location Context: Contract-based parameters open to qualified backend engineers permanently residing within Romania... 

 ...already use. Some are BI and visualization tools that need ClickHouse to show up as a fast, first-class data source behind their dashboards. And some are developer and data platforms we connect through marketplaces and identity federation with a couple of clicks to link... 

 ...Qualifications Proven professional history operating as a Senior Java Developer, Back-End Software Engineer, JVM Architect, or closely related...  ...Context: Position operates under flexible remote guidelines open to qualified software developers collaborating with our... 

 ...best practices. Agentic Workflow Instrumentation: Design, develop, and scale sophisticated multi-step AI agents and tool-use systems...  ...scale funding. ~100% remote workspace infrastructure autonomy open throughout Germany and the United Kingdom, granting you absolute... 

 ...sticky notes, you will sit shoulder-to-shoulder with HQ teams to co-develop custom workflows and build real product tools using advanced...  ...Location Context: Position operates under remote parameters open exclusively to qualified AI transformation specialists residing... 

 ...the barrier to working with data - this is your role. We are open to hire remotely in Europe for this role. What you’ll do:...  ...build CDC-based pipelines to capture and replicate changes from source systems into the data platform Design, build and maintain foundational... 

 ...technical leadership capacity. Prior experience within the Fintech domain. Strong technical expertise and hands-on experience in developing highly scalable, distributed, asynchronous, and resilient platforms. Strong work ethic and principles such as pragmatism. A... 

 ...conversational voice stack under a permanent, full-time remote layout open across Germany and the United Kingdom. In this high-leverage...  ...history operating within a Senior AI Engineer, Voice Platform Developer, Speech Systems Architect, NLP Engineer, or closely matching... 

 ...capacity (H100s, B200s, H200s…) and they need it now. Supply windows open and close in days. The players who win are the ones who move...  ...in enterprise technology. We have the supply relationships, the sourcing team, and a full infrastructure portfolio. What we are building... 

 ...Join Checkly as a Senior Customer Solutions Engineer and empower developers and agents to own and ensure application performance and reliability - from pull request to post-mortem! Checkly is the active reliability layer for developers and agents. We unify testing,... 

 ...senior care and hospital software platforms. Your Daily Business – No two days are alike Shape the future of our integrations – Develop interfaces that seamlessly connect voize with systems in the care and medical sector Build future-proof solutions – Develop a... 

 ...work across the full surface of the Unity Studio product. You will develop runtime scene editing tools, real-time multi-user collaboration...  ...models). ~ Location Scope: 100% remote eligibility open to technical professionals based inside Germany . Preferred... 

 ...growing engineering team. This is a hands-on, high-impact role where you’ll drive key initiatives across deployment, observability, developer productivity, and cloud cost management. You’ll work closely with application engineers, QA, and cross-functional stakeholders... 

 ...basics (non-root users, image layers, multi-arch builds). ~ Basic Go ability (enough to read/write test code) and experience with open-source workflows (PRs, monorepo conventions). ~ Bonus: Experience as a package maintainer, Helm chart authorship, or familiarity with... 

 ...in Computer Science, Data Science, AI, Mathematics, Physics, or comparable qualifications. At least five years of experience developing state-of-the-art AI methods with a proven ability to translate these into production-ready system designs. You are both architect... 

 ...communication capability inside highly matrixed corporate client networks. Location Context: Position features 100% remote parameters open exclusively to qualified technical leaders located permanently within Germany . Preferred Strategic Indicators (Nice to Have)... 

Your mission As our Data & Business Intelligence Manager, you’ll be at the heart of turning data into strategy. Within the Market & Business Intelligence Team, you will take ownership of building and evolving a robust data platform that supports decision-making at...

 ...orchestrate reliable production workflows. ~ Python: You are comfortable using Python to build pipelines, automate processes, and develop data engineering tools. ~ Data modeling: You understand dimensional modeling, ELT patterns, and how to design datasets for... 

 ...week. World App is already among the most used wallets globally. Developers are integrating World ID to build safer online experiences and...  ...technical judgment, who can operate independently on hard, open-ended problems and raise the bar across the team. You will be... 

At Upvest, we are on a mission to make investing as easy as spending money . Upvest empowers businesses to offer a wide range of investment products and the best experience in the field of capital market investment and retirement planning. Upvest’s Investment API is ...

Who We Are Our mission has started. We are starting our own battery cell production in Battery Valley in Salzgitter and ramping up our headquarters for global cell production. The Strategy department is responsible for the development and implementation of the global...

Who We Are Our mission has started. We are starting our own battery cell production in Battery Valley in Salzgitter and ramping up our headquarters for global cell production. The finance unit takes care of all financial processes within the company. The responsibilities...

About us: Aeva’s mission is to bring the next wave of perception to a broad range of applications from automated driving to industrial robotics, consumer electronics, consumer health, security, and beyond. Aeva is transforming autonomy with its groundbreaking sensing and...

About Pleo Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for...