Software Engineer | Start-Up

Software Engineer | Defence Start-Up | London

Software Engineer required for an early-stage defence technology start-up building mission-critical systems with real-world impact. You’ll join a small, high-calibre engineering team designing, building, and deploying core technology. This is a deeply hands-on role for someone who wants significant ownership, technical depth, and end-to-end responsibility over the systems they build.

You are 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
• Nice to have Early-stage start-up experience
• Experience in robotics, embedded systems, ML, or real-time systems

Why Join?

• Competitive salary + meaningful equity
• Significant influence over product and technical direction
• Work on challenging engineering problems with genuine real-world impact
• Build mission-critical technology within the defence sector
• Join a small, world-class team with significant autonomy and trust

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