Senior software engineer

Senior Software Engineer


💰 Up to £150,000 (Can be flexible dependant on the person) + Share Options

📍 London (On-site, supportive environment, flexible core hours, 5 days a week)

🏢 SAAS | B2B


You’ll have real ownership from day one, with the freedom to shape your work, explore new ideas. You’ll help drive the future of web security through the features you design, build, and improve.


You’ll work on high-impact projects in a supportive, high-performing environment, solving complex problems and creating reliable, user-focused solutions. You’ll help influence what they build, while being trusted to think boldly, learn quickly, and make strong decisions for users.


You’ll join a team of curious, driven, and grounded engineers who care about building something meaningful.


About You


● Background working in product-driven or startup-style teams.

● Think holistically—not just about code, but about user needs, product vision, and business outcomes.

● Act with pace, rapidly testing ideas through prototyping and real user feedback to learn and iterate quickly.

● You confidently work with modern AI tools (such as LLMs and coding assistants), using them as collaborative tools while applying your judgement to validate, refine, or override.

● You’re motivated to find practical ways AI can elevate developer productivity, increase user impact, and improve product performance.

● You deliver well-designed, scalable features end-to-end

● You make strong architectural choices and confidently balance technical trade-offs

● You build clear abstractions and easy-to-understand designs

● You create codebases that are maintainable, collaborative, and built to grow


If you're ready to make an impact in a supportive environment, have real ownership from day one, with the freedom to shape your work. Get in touch!