Founding Engineer | Early-Stage Defence Start-Up | London

Oho Group; Greater London; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Competitive salary

Significant founding-level equity

Autonomy and trust in a small team

Job summary

Oho Group is looking for a Founding Engineer in London for an early-stage defence tech start-up focused on building mission-critical systems. You will work closely with the founders to design and deploy core technology with high ownership and responsibility.

The ideal candidate has over 4 years of software development experience and is proficient in languages like Python and TypeScript, thriving in fast-paced environments. The position offers competitive salary and equity, and significant influence over product direction.

Qualifications

• 4+ years of professional Software Development experience.
• Proficient in at least one of Python, TypeScript, Rust, Go, Java, or C++.
• Comfortable across backend, infrastructure, data, and automation.

Responsibilities

• Design, build, and deploy core technology from day one.
• Join at the ground floor, working directly with the founders.

Skills

Software Development

Python

TypeScript

Rust

Go

Java

C++

Generalist

Fast-paced environments

Job description

Founding Engineer | Early-Stage Defence Start-Up | London

Founding engineer required for an early-stage defence technology start‑up building mission‑critical systems with real‑world impact.

You’ll join at the ground floor, working directly with the founders to design, build, and deploy core technology from day one. This is a deeply hands‑on role for someone who wants true ownership, technical depth, and end‑to‑end responsibility.

You are

• 4+ years of professional Software Development experience
• Proficient in Python, TypeScript, Rust, Go, Java or C++
• A true generalist – comfortable across backend, infrastructure, data, and automation
• Most effective in fast‑paced, high‑autonomy environments
• Obsessed 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 + significant founding‑level equity
• Significant influence over product and technical direction
• Work on problems with genuine real‑world impact
• Small, world class team with autonomy and trust

If you want to build technology that actually matters, let's chat.