Latest Open Source Jobs

Senior Backend Engineer - Databases Pyroscope | UK |

Design, build, and operate core components of Pyroscope, a distributed profiling database, focusing on scalability, cost efficiency, and deep integration with the broader Grafana stack. Lead end-to-end projects such as adaptive profiling, trace-to-profile correlation, and automation for operational excellence. Engage directly with customers and the open-source community to shape product direction in a PM-light engineering culture.

Grafana Labs United Kingdom £91,755 – £110,106 pa

Remote Permanent

Backend Engineer - Platform - Stacks | UK |

You'll design and operate reconciliation systems for Grafana Cloud stacks, ensuring state alignment across services like grafana.com, Stack State Service, and Hosted Grafana. The role involves building control-plane workflows, improving deployment reliability, and supporting regional rollouts, with a focus on automation, observability, and incident recovery. You'll work across product, platform, and operations to scale critical customer-facing infrastructure.

Grafana Labs United Kingdom £72,000 – £90,000 pa

Remote Permanent

Senior CPU Compiler Performance Engineer

This role involves developing high-performance CPU compilers for NVIDIA's data centre and AI technologies, with a focus on hardware-software co-design. You'll work on compiler optimisation, contribute to open-source projects like GCC and LLVM, and analyse AI and HPC workloads to improve both software and future hardware. Collaboration with distributed teams and upstream communities is central to the role.

NVIDIA

Senior CPU Compiler Performance Engineer

This role involves developing high-performance CPU compiler software for NVIDIA's next-generation computing platforms, with a focus on AI and HPC workloads. You'll work on hardware-software co-design, optimize compiler toolchains, and contribute to open-source projects like GCC and LLVM. Collaboration with global engineering teams and upstream communities is key to advancing compiler technology for NVIDIA's data center and supercomputing solutions.

NVIDIA

Senior Backend Developer (Token Factory)

Design and scale backend systems for a next-generation AI infrastructure platform, focusing on distributed systems, reliability, and performance optimization. Work closely with infrastructure, AI research, and product teams to evolve a lightweight integration layer into a comprehensive, scalable system. Solve complex challenges in cloud orchestration, inference optimization, and high-load service design in a fast-moving, engineer-driven environment.

Nebius United Kingdom

Staff / Senior Software Engineer (Agentic Search) - Crawler

Design and build distributed, high-throughput crawling and ingestion systems to acquire and refresh content from the open web at scale. Develop low-latency, observable data pipelines for AI-native search, ensuring freshness, coverage, and reliability. Collaborate with indexing and ML teams to support programmatic search APIs grounded in real-world data.

Nebius United Kingdom

Senior Solution Engineer

A Senior Solution Engineer at Snowflake works closely with sales teams and customers to demonstrate and implement Snowflake’s data platform, translating technical capabilities into business solutions. The role involves hands-on technical engagement, from proof of concept to deployment, while building trusted relationships with technical and executive stakeholders. The engineer also collaborates with partners and internal teams to shape product direction and drive customer success in a fast-evolving AI and data landscape.

Snowflake London, United Kingdom

Hybrid Permanent

Technical Program Manager - Compute Systems Engineering

This role involves managing complex technical programs across hardware and software engineering teams to scale and improve Nebius's high-performance compute infrastructure. The Technical Program Manager will coordinate system-level initiatives for GPU and CPU platforms, ensuring reliability, performance, and scalability across global data centers. Key responsibilities include driving cross-functional execution, mitigating risks, and enhancing development and operational processes in a fast-moving AI cloud environment.

Nebius United Kingdom