Build System & CI Developer

TN United Kingdom; Ely; Hybrid; GBP 40,000 - 80,000

Job description

Job Title: Build System & CI Developer

Type: Permanent

Location: Cambridge, United Kingdom

Note: Candidates must be based in UK // Hybrid working required // Nix experience essential

Our client is an AI company based in Cambridge.

We are seeking a Software Developer to support, extend, and maintain our CI and Build Systems. You will be working with products at the intersection of high-performance application development and machine learning. You will have the opportunity to develop code and systems for our build systems and CI, including hardware in the loop testing and building code for FPGA platforms. The applications we develop include speech and language processing, recommendation systems, vision processing, and financial applications.

You will primarily be contributing to a Nix-based build system and Hydra-based CI for a polyglot (Rust, Haskell, Python) monorepo.

You will create and improve existing infrastructure for building, testing, and shipping code.

This includes refactoring Nix to reduce build times, adding features to Hydra to make it easier to manage, as well as integrating with impure tests and building releases targeting non-Nix Linux systems.

Responsibilities:

1. Refactoring Nix code to speed up evaluations and builds
2. Adding features to Hydra to make it easier to manage and make its reporting easier to understand
3. Packaging software for release to customers
4. Making our impure tests more robust using Linux administration tools like Ansible

Key Requirements:

1. A love of Nix and reproducible builds
2. Bash, Python, and C++ experience
3. Experience with the build systems and packaging ecosystems of languages such as Rust, Python, Haskell, C
4. Standard Linux ops such as Docker, Ansible
5. A willingness to dive into unfamiliar codebases including our own and Nix/Hydra’s
6. A keen eye for finding flaws and inefficiencies and the ability to find creative solutions to them
7. Good verbal and written communication skills

If you’re interested, please reach out for more information.

Please note that if you are NOT a passport holder of the country for the vacancy you might need a work permit.

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Created on 02/04/2025 by TN United Kingdom