Senior Software Engineer - Defence Tech, London

Oho Group; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Equity

Job summary

Oho Group in London is seeking a Software Engineer to join a defence-focused start-up building mission-critical systems with real-world impact. You will contribute across backend, infrastructure, data, and automation with significant ownership and end-to-end responsibility over the systems you build.

The role suits a true generalist who thrives in fast-paced, high-autonomy environments and is motivated by technology with real-world impact in defence, aerospace, or national security tech.

Qualifications

• 4+ years of professional Software Development experience.
• Proficient in Python, TypeScript, Rust, Go, Java, or C++.
• A true generalist - comfortable working across backend, infrastructure, data, and automation.
• Most effective in fast-paced, high-autonomy environments.
• Motivated by building technology with real-world impact.
• Interested in defence, aerospace, or national security technology.

Responsibilities

• Design, build, and deploy core technology with end-to-end ownership.
• Join a small, high-calibre engineering team and contribute across the stack.
• Take significant ownership and depth in the systems you build.
• Work in a defence-focused start-up aiming real-world impact.

Skills

4+ years experience

Python

TypeScript

Rust

Go

Java

C++

Generalist across backend infra data

Fast-paced autonomous environments

Defence aerospace national security

Job description

Oho Group in London is seeking a Software Engineer to join a defence-focused start-up building mission-critical systems with real-world impact. You will contribute across backend, infrastructure, data, and automation with significant ownership and end-to-end responsibility over the systems you build.

The role suits a true generalist who thrives in fast-paced, high-autonomy environments and is motivated by technology with real-world impact in defence, aerospace, or national security tech.