Founding Software Engineer | Cybersecurity Start-Up | London

Oho Group; Greater London; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Equity

Job summary

Oho Group in London is seeking a founding software engineer to help shape the product and security stack from day one. You will design and build core systems and take ownership of technical direction as the company grows.

You will work across the stack on high‑impact security challenges, collaborate with the founders on product strategy, and own end‑to‑end development. The role offers meaningful equity and a competitive salary in a fast‑moving startup environment.

Qualifications

• 5+ years of software engineering experience
• Python
• C#
• Go
• Java
• End-to-end development across the full product lifecycle
• Builder mindset in fast-moving environments
• Excellent problem-solving and collaborative approach

Responsibilities

• Design and build core systems from scratch
• Work across the stack to solve high-impact security challenges
• Collaborate directly with the founders on product direction and technical strategy
• Take ownership - your decisions shape the company’s future

Job description

Founding Software Engineer | Cybersecurity Start-Up | London

Help build the future of cybersecurity from day one.

Founding Software Engineer required for an early-stage cybersecurity start-up on a mission to transform how organisations secure their data and infrastructure. Built by a founding team with a strong track record of building and scaling successful companies in security, this is a rare opportunity to join at the ground floor and shape both the product and the culture.

What you’ll do

• Play a key role in designing and building core systems from scratch


• Work across the stack to solve complex, high-impact security challenges


• Collaborate directly with the founders on product direction and technical strategy


• Take real ownership - your decisions will shape the company’s future

About you

• 5+ years of software engineering experience in a professional environment


• Proficiency in one or more of: Python, C#, Go, or Java


• Experience delivering end-to-end development across the full product lifecycle


• A builder’s mindset - you thrive in fast-moving, ambiguous environments


• Excellent problem-solving ability and a collaborative approach

Why this role?

• Competitive salary + meaningful equity


• Join a world class founding team with a proven start-up pedigree


• Make a meaningful impact from day one - no red tape, no layers


• Be part of solving some of the most critical challenges in cybersecurity

Founding Software Engineer | Cybersecurity Start-Up | London