8 of 8 Contract Open Source Jobs in London

to learn the business supported by the applications - Knowledge and desire to use agile software development practices Skills Desired: - JMS, MQ, Kafka - MongoDB - Knowledge of a range of common Open Source libraries used in Java development - Database performance tuning (relational and document) - Python/Shell Scripting - Financial domain knowledge (eg Equities) Glasgow based - hybrid - Inside IR35 By applying More ❯

Language Models. You're cloud-savvy (AWS, GCP, or Azure) and comfortable with containerization (Docker, Kubernetes). You have strong problem-solving and communication skills and enjoy working on open-ended technical challenges. Bonus points if you've fine-tuned LLMs, worked with real-time data streaming, or contributed to open-source ML projects. Why You'll More ❯

core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll … and familiarity with working in technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Go Developer looking for a fast-paced, collaborative contract role where your work will ship quickly and matter to real users More ❯

DevOps experience with Windows Servers Proficiency in PowerShell or Python scripting Hands-on experience with TeamCity, Jenkins, SonarQube Familiarity with Docker for containerization Experience with Microsoft-based infrastructures (not open-source) Desirable Skills: Background in financial services, particularly Market Risk Knowledge of Chef, Ansible, SQL, and Hadoop ecosystems (HDFS, Hive, Impala) Understanding of observability tools (Elasticsearch, Filebeat, Kibana More ❯

in complex distributed or web-based Systems A product mindset and collaborative approach to improving how teams build and run software Bonus points for experience with Kafka, gRPC, or open-source contributions If you're a Backend Platform Engineer who enjoys solving real engineering problems and building tools that make other developers more effective - apply now. The client More ❯

LLM Engineer to support the development of GenAI-powered tools for document understanding, summarisation, and intelligent search. You’ll be working with a small, agile team focused on deploying open-source models into production environments.?? Key Responsibilities Fine-tune and evaluate LLMs for domain-specific tasks Build and optimise RAG pipelines using vector databases Develop prompt engineering strategies More ❯

software for Mobile platforms (Android/iOS). Experience with Android UI frameworks and services. Extensive experience with JUnit tests or any unit testing framework Previously worked on android open source projects. Click Apply now to be considered for the Software Engineers - VR/AR/Headsets - London roles More ❯

high-performance, scalable software solutions that support next-generation immersive devices and smart technologies. Responsibilities Design, develop, and maintain Android OS frameworks and system-level components. Integrate upstream Android Open Source Project (AOSP) updates into custom OS builds. Build tools for system profiling, debugging, and performance tuning. Collaborate with hardware and kernel teams to ensure seamless integration. Conduct More ❯