Top Software Engineer Jobs in Cologne

Contribute to desktop and cloud reality-capture software by implementing features and bug fixes in C++. Write clean, tested code, assist debugging, participate in code reviews and Agile ceremonies, and use tools like Git, JIRA, and CI/CD while learning from senior engineers.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Design, build, and maintain full-stack applications for data ingestion, video content, and workforce tooling. Implement Angular front ends, Spring Boot/Kotlin or Java backends, and SQL-driven databases. Optimize queries, contribute to architecture, work with Product and Design, document work, and support the customer support team when needed.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

The role involves delivering features across the CRM platform for distributors, using AI tools, handling fullstack development tasks, and collaborating closely with teams and customers.

The role involves designing and maintaining infrastructure, ensuring the reliability of Kubernetes clusters, automating operations, and supporting machine learning infrastructure.

Join a portfolio company as a Software Engineer to work on a performance-sensitive stack for crypto's dark pool, focusing on full onchain systems.

Design and develop core backend components for a blockchain network using Rust, ensuring reliability and scalability in production-grade software.

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.

The role involves creating and automating infrastructure features for data platforms using Python, with a focus on distributed systems and collaboration within a global team.

Join Canonical's OpenStack Engineering team to develop and manage Charmed OpenStack and Ceph, focusing on Python code and infrastructure automation.

The role involves collaborating with a distributed team to develop and debug software for Linux, focusing on high-quality code and system-level issues.

The role involves automating OpenSearch operations by developing features in Python, collaborating with an international team, and providing expertise on data platforms.

As a Software Engineer, you will enhance Ubuntu's cloud infrastructure, automate image delivery, and collaborate with cloud giants, delivering high-quality software features.

Develop and maintain system-level Go code, model data, and design database schema for cloud infrastructures. Collaborate with a distributed team to ensure code quality.

As a Software Engineer on the data platform team, you'll automate data platform operations, write Python code, and collaborate on solutions within a distributed team.

Support community-driven development by reviewing community PRs, improving contribution processes, debugging issues, and enhancing documentation. Collaborate with contributors and maintainers for reliable product improvements.

Seeking a Software Engineer to develop solutions using C#, .NET, and support cloud environments for DoD. Requires technical expertise and collaboration with teams.

Develop and enhance functionalities for a climate tech platform, engaging with product teams and improving team culture.

Lead design and development of native Windows desktop applications; ensure accessibility and performance; collaborate with teams on features and maintain coding standards.

Design, implement, and run Camunda's CI/CD and artifact delivery platform to scale testing and engineering throughput. Build and operate production Kubernetes infrastructure, IaC, cloud and high-scale CI systems, remove developer pain points, partner with product teams, and contribute to platform roadmap and best practices.

Build and architect Base360.ai: design and launch booking, pricing, payments, operations, and AI-powered automation. Integrate platforms (Airbnb, Stripe, Twilio, OpenAI), scale systems internationally, and embed AI workflows to automate operations and optimize revenue.

Design, build, and maintain the foundational, high-scale search engine systems powering billions of daily requests. Work on backend infrastructure, deployment automation, capacity planning, observability, performance-critical code, and production operations while collaborating with a team to ensure reliability and scalability.

Design, build, and evolve the event-sourced, distributed workflow engine and its REST/gRPC APIs. Solve concurrency, replay, and schema-evolution problems; optimize performance across RocksDB, Elasticsearch/OpenSearch, and Postgres; lead design (ADRs), mentor engineers, run on-call/incidents, and enable AI-agent integrations while ensuring backward-compatible API evolution and production resiliency.