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# Software Engineer

- **Company:** Radiant
- **Location:** United Kingdom
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Cloud Computing, Computer Clusters, Code Review, Linux, Distributed Systems, AI Infrastructure, Kubernetes, Machine Learning Operations
- **Published:** November 11, 2026
- **Apply:** https://startup.jobs/senior-software-engineer-radiant-10735853

## About the Role

* Solid experience building and running production software, ideally distributed systems.
 * Strong hands-on engineering skills in Go or similar.
 * Depth in at least one of: infrastructure, cluster management, observability, or MLOps (training or inference).
 * Comfortable working in Linux and with Kubernetes and containers.
 * Clear communicator who takes ownership of their work.

## Description

As a Senior Software Engineer, you will own major parts of Radiant's AI cloud platform, joining one of five teams: Infra, Cluster, Observability, MLOps Training, or MLOps Inference. We'll match you to the team that fits your experience.

You'll design, build, and run distributed services at datacentre scale, working closely with product, infrastructure, SRE, and the other engineering teams.

The teams

 * Infra: the core infrastructure our AI cloud runs on, from datacentre to platform
 * Cluster: provisioning and operating the GPU clusters customers run their workloads on
 * Observability: FlightDeck, the platform customers and operators use to observe and operate AI infrastructure
 * MLOps Training: the platform customers use to run large-scale model training
 * MLOps Inference: the platform customers use to serve models in production, * Design, build, and operate distributed services for your team's part of the platform.
 * Own features from design through production, operation, and continuous improvement.
 * Translate product requirements into clear technical designs and APIs.
 * Improve testing, reliability, and performance across your services.
 * Take part in on-call and incident response for the systems you build.
 * Mentor engineers and contribute to design and code review., * Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together.
 * Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day-to-day job.
 * Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa.
 * Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work.
 * Gympass subscription to a variety of gyms and wellbeing apps
 * Participation in the company shares program
 * Enhanced parental pay & leave

Our process: Talent screen * Hiring Manager * Technical interview (two engineers) * Final.