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Senior Software Engineer

United Kingdom, London 60000.00 - 120000.00 GBP / Year · Job Posted January 18, 2026
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Job Description

Senior Software Engineer required to join a rapidly growing cybersecurity start-up in London. This is an opportunity to join a world class team with experienced technical founders and have a real impact on a critical product that tackles real world problems.

Job Responsibility

  • Shaping the architecture
  • Driving technical decisions
  • Delivering secure, scalable software that makes a genuine impact

Requirements

  • 5+ years of professional Software Engineering experience
  • Strong proficiency in at least one of the following languages: Python, Java, C#, Rust, or Go
  • Experience building scalable, reliable systems in production
  • Comfortable working in a start-up or fast-paced environment
  • Passion for building secure, high-impact products

What we offer

  • Real ownership and influence over a core product
  • Work alongside highly experienced technical founders
  • Competitive compensation + meaningful equity

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