Build and fix production software for a range of clients in your strongest language, with a team that reviews every change and cares how things are built. Open in Python, Java, C#, TypeScript, Go, Rust and C++.
Level Senior
Languages Python, Java, C#, TypeScript, Go, Rust, C++
Location United Kingdom, remote
Hours Full-time, permanent
Posted 16 August 2026
The role
You’ll join our delivery teams on client engagements: building new systems,untangling existing ones and getting software that matters into production.You’ll work closely with client teams, so how you communicate counts as much ashow you code.
What you’ll do
- Design, build and ship features end to end on client projects.
- Find your way around unfamiliar codebases quickly, and improve them as yougo.
- Review code carefully, and welcome the same in return.
- Work directly with client engineers and product owners, and help them makegood technical decisions.
- Write the tests and documentation that let a client own what we built.
What we’re looking for
- Real depth in at least one of the languages below, with production softwareto show for it.
- New domains, stacks and teams don’t throw you.
- Good security habits, as a matter of course.
- Clear communication, in writing and in the room.
Languages
Tell us which of these you know in depth; we hire for each.
- Python: typed Python checked in CI, Django, FastAPI or Flask, pytest,and a healthy suspicion of the packages you install.
- Java: Java 17 and later, the JVM, Spring Boot or similar, messaging suchas Kafka, and Maven or Gradle builds that take the supply chain seriously.
- C# and .NET: .NET 8 and later, ASP.NET Core, Entity Framework, and Azure,including identity with Entra ID.
- Go: idiomatic Go, concurrency and knowing when not to use it, containersand observability, and a short dependency tree.
- Rust: ownership and lifetimes, async with Tokio, containing unsafe, andFFI with C and C++.
- C++: C++17 and later, embedded or systems work, and sanitisers, staticanalysis and fuzzing as everyday tools.
Working at BYTELAB
Our people are empowered to say plainly what they find, to each other and to our clients. As part of our consulting function you'll have the opportunity to pursue a range of challenging and ambitious problems with creative solutions, ultimately leaving every client able to carry on without us.
Senior Software Engineer employer: Bytelab
Bytelab provides a collaborative work culture where employees can lead projects and mentor others. The company emphasizes remote work flexibility and engagement with a variety of programming languages, making it an attractive place for tech professionals.
