—
Staff Software Engineer - Cybersecurity Start-up | London Staff Software Engineer required for one of the most exciting cybersecurity start-ups in London right now: still early enough to make a real mark, but past the uncertainty and firmly in build and scale mode. This is a team led by founders who’ve previously built a start-up in cybersecurity and successfully. They’ve assembled an exceptionally strong engineering team and scaled rapidly in the short amount of time they have been around. The difference now? They’ve hit product-market fit within the cybersecurity space, have a growing and credible customer base, and are accelerating fast. You are someone who can operate end-to-end, who doesn’t just write great code, but shapes systems, influences direction, and raises the bar across the team. About you: • 5+ years of professional software engineering experience • Proficient in Python, Go, Java or C# but fundamentally language agnostic • Strong system design and architecture skills • Comfortable owning problems from idea → production • A pragmatic, high-impact approach Bonus points if you bring: • Cybersecurity domain experience • Time spent in start-ups or high-growth environments • Experience building or scaling cloud-heavy products What makes this compelling: • Proven founders with previous start-up successes • Genuinely strong, experienced engineering team • Clear product-market fit and real traction • Transitioning from early hustle to serious scale London-based | 5 days on-site – highly collaborative, in-person culture If you’re someone who thrives on ownership, enjoys working with top-tier people, and wants to join a company right as it shifts into high gear, this is worth a conversation. Staff Software Engineer - Cybersecurity Start-up | London
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No soft skills extracted
| Query | Country | Status | Response ms | Created |
|---|---|---|---|---|
| Staff Software Engineer - Cybersecurity Start-up | London | fallback | 534 | 2026-03-21 19:18 | |
| graduate software engineer in United Kingdom | gb | duplicate | 16519 | 2026-03-21 17:53 |
| junior developer in United Kingdom | gb | duplicate | 12909 | 2026-03-21 17:43 |
| junior software engineer in United Kingdom | gb | duplicate | 12747 | 2026-03-21 17:32 |
| junior software developer in United Kingdom | gb | duplicate | 13489 | 2026-03-21 17:27 |
| junior backend engineer in United Kingdom | gb | processed | 21883 | 2026-03-21 15:34 |
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"job_description": "Staff Software Engineer - Cybersecurity Start-up | London\n\nStaff Software Engineer required for one of the most exciting cybersecurity start-ups in London right now: still early enough to make a real mark, but past the uncertainty and firmly in build and scale mode.\n\nThis is a team led by founders who’ve previously built a start-up in cybersecurity and successfully. They’ve assembled an exceptionally strong engineering team and scaled rapidly in the short amount of time they have been around. The difference now? They’ve hit product-market fit within the cybersecurity space, have a growing and credible customer base, and are accelerating fast.\n\nYou are someone who can operate end-to-end, who doesn’t just write great code, but shapes systems, influences direction, and raises the bar across the team.\n\nAbout you:\n• 5+ years of professional software engineering experience\n• Proficient in Python, Go, Java or C# but fundamentally language agnostic\n• Strong system design and architecture skills\n• Comfortable owning problems from idea → production\n• A pragmatic, high-impact approach\n\nBonus points if you bring:\n• Cybersecurity domain experience\n• Time spent in start-ups or high-growth environments\n• Experience building or scaling cloud-heavy products\n\nWhat makes this compelling:\n• Proven founders with previous start-up successes\n• Genuinely strong, experienced engineering team\n• Clear product-market fit and real traction\n• Transitioning from early hustle to serious scale\n\nLondon-based | 5 days on-site – highly collaborative, in-person culture\n\nIf you’re someone who thrives on ownership, enjoys working with top-tier people, and wants to join a company right as it shifts into high gear, this is worth a conversation.\n\nStaff Software Engineer - Cybersecurity Start-up | London",
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