Top Software Engineer Jobs in Cologne

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.

Design, build and maintain full-stack systems for data ingestion, video processing, backend services and Angular front-ends. Implement database schemas, optimize queries, participate in architecture, collaborate with Product/Design, and support data collection workflows and customer support.

As a Core Software Engineer, optimize performance in the ClickHouse database, collaborate on performance testing, support debugging, and engage with the open-source community.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

Join the Billing Engineering team to build ClickHouse Cloud's billing platform, integrating with diverse systems and ensuring reliability, scalability, and security.

Lead the development of a product's scope, mentor developers, design, implement features, and improve processes for quality in a collaborative environment.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Seeking an experienced AWS Software Engineer to help migrate services to a new platform, focusing on reliability, scalability, and security, while managing CI/CD pipelines and infrastructure.

As a Software Engineer, you will build and develop the Mindly product, focusing on user needs, implementing reliable code, and collaborating with cross-functional teams.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

The Senior Software Engineer will design and maintain backend services for a distributed streaming platform, lead engineering initiatives, and collaborate with various teams to drive platform evolution.

Join Filigran as a Senior Software Engineer to develop a scalable XTM Suite platform using TypeScript and Python. You'll focus on architecture and community engagement while innovating cybersecurity solutions.

Design and build key features for an AI coding platform, focusing on user experience and product growth in a collaborative environment.

Work on the leading open-source vector map rendering engine, focusing on graphics programming, algorithms, and improving rendering efficiency. Collaborate to solve technical challenges and experiment with new visualization techniques.

The (Senior) Software Engineer will develop and manage SIM-related initiatives, optimize processes, and work on applications for global IoT connectivity.

The Senior Software Engineer will design and develop scalable backend systems, manage event-driven architectures, and collaborate in Agile teams. Responsibilities include coding with Node.js, Java/Kotlin, building APIs, and managing CI/CD pipelines.

As a Senior Developer, you'll contribute to architecture, design, and development of core platform products, drive innovation, and maintain applications.

As a Senior Engineer, contribute to Mozilla's localization projects, develop Python and JavaScript libraries, and support internationalization features across Mozilla products.

As a Backend Developer, you will design, implement, and maintain software on Windows systems, writing primarily in Rust and managing legacy code in C++. Collaborate with teams to ensure integration and participate in agile development processes.

Develop embedded software for optical transceiver modules, focusing on DSP and ARM systems, including driver software and algorithms.

As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.

Design, develop, and maintain mobile applications using React Native, focusing on user onboarding and experience optimization while mentoring other engineers and influencing technical strategies.

As a Senior Software Engineer at Kraken, you will collaborate with teams to develop onchain services, optimize applications, and mentor engineers, focusing on blockchain and DeFi technologies.

As a Senior Software Engineer at Kraken, you will design and maintain backend systems, SDKs, and APIs, enabling efficient growth engineering. You will improve internal tools, enhance developer workflows, and ensure system reliability across multiple teams.