Software Programmer

Build Engineer | Bazel
London
Hybrid work model - 3 days in the office, 2 days wfh
Up to £500/day - Outside IR35
6 months contract with possible extensions
5V Tech are working with a fast-growing deep tech company building a completely new class of AI accelerator hardware and software from first principles.
They’re now looking for an engineer to take ownership of Bazel at scale and build the tooling infrastructure that powers the entire engineering organisation.
This is a genuinely high-impact role in a greenfield environment, where you’ll help shape the build systems, developer workflows, and CI infrastructure from the ground up.
What you’ll be working on:
• Designing and owning Bazel rules and extensions
• Scaling a large monorepo across Python , C++ , Rust , SystemVerilog, and ML workloads
• Building reproducible, multi-language build pipelines
• Optimising CI performance across large compute clusters
• Improving the develop...