Founding Software Engineer | Cybersecurity Start-Up | London

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

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