Senior Backend Software Engineer
Radiant · London
What this role requires
4 requirements, read out of the advert rather than guessed from the job title:
Also mentioned, not required: CI/CD, English (B2). Worth having, but their absence is not what gets a CV filtered out.
See how often each of these is required across open backend roles in Europe.
Free, no card. Tells you which of them your CV evidences and which it only implies.
Job description
About the Role:
As a Senior Software Engineer at Radiant, you’ll be a hands-on technical leader, driving the design and development of our most critical systems, including our GPU orchestration layer, inference-serving infrastructure, and core platform APIs.
You’ll set the standard for engineering excellence across the team, working closely with other principal engineers to align on strategy and drive technical leadership. You’ll partner with peers in infrastructure and machine learning to deliver high-performance AI systems, and mentor engineers across multiple squads. While you won’t have direct reports, you’ll play a pivotal role in shaping engineering direction, design decisions, and cross-team collaboration.
What You’ll Do:
Design and build backend services in Go that power AI infrastructure, networking, inference orchestration, and model lifecycle management
Implement secure, reliable APIs (gRPC/REST) and backend systems
Read the full description (34 more sections)Show less
Design and develop Kubernetes Operators to manage compute and networking resources
Contribute to architectural discussions, providing input on design reviews and system evolution
Collaborate closely with platform and infrastructure teams to deliver production-grade, secure, and scalable services
Maintain high standards for code quality, observability, and maintainability through reviews and best practices
What You Bring:
Proven experience developing production systems in Golang
Hands-on experience designing and deploying distributed systems and APIs (gRPC, REST) in production environments
Solid understanding of Kubernetes internals (Scheduler, CNI, Operators, CSI, CAPI)
Familiarity with CI/CD workflows, observability tooling, security, and automation best practices
Collaborate across teams,contribute to architectural and development best practices
A bias for ownership, accountability, and delivering high-quality software
Preferred Skills (Nice to Have):
Infrastructure and networking knowledge
Experience with Authentication, Authorization, RBAC and security best practices.
Nvidia hardware and software (GPU, Cumulus, NVLink)
Qualities we look for:
Set the standard : Every single day, you spot opportunities to constructively shake things up.
Inspire the change : There's no blueprint for the future. You’ll embrace challenges and change.
You’re real and you’re true to yourself : We cherish and celebrate diversity so you’ll feel right at home whoever you are and whoever you’re talking to, you treat everyone the same.
Why should you join us?
What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive.
Here are just some of the great things you can expect from us:
25 days of annual leave
A culture that emphasises results over hierarchy, process & ego : we place great emphasis on the quality, ingenuity and creativity of work.
Open communication, regular feedbac k: 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
Diversity, Equality, Inclusion and Belonging
We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make.
Find Jobs in United Kingdom on Arbeitnow
You will apply. Then you will hear nothing.
And no one will tell you what was wrong. See it before you send: your ATS score, every weak line, and the fix for each.
- 1
Drop in your CV
One PDF, thirty seconds. No card.
- 2
See what is wrong with it
Every weak passage, quoted from your own CV, with the line to replace it.
- 3
Apply where you fit
Every European role ranked against what your CV actually says.
- Free, no card
- Your CV file is deleted after parsing
- Or skip the upload — build your profile by hand
- Refreshed every 6 hours