Senior Python Software Engineer

Burns Sheehan • london, england, United-Kingdom • Posted June 14, 2026

Location london, england

Job Type Full-time

Category IT & Technology

Posted June 14, 2026

Senior+ Software Engineer - Python/Blockchain   £80,000 - £150,000 + bonus + Equity (circa 60-75% of salary) 
  Python, Blockchain, FastAPI, AWS, Kubernetes 
  Hybrid (Central London - 2-3 days a week) 
  Profitable Gov/SecTech Blockchain Scale up 
High-trust work with real-world impact across public safety and financial systems 
We're partnered with a well‑funded, Series A stage Gov/SecTech startup operating in the blockchain analytics space. 
You'd build software to support use cases such as financial crime prevention, terrorism risk analysis and crypto market safety. Much of their work sits under NDA, but the impact is tangible and meaningful. 
They're around 25‑30 people today and growing quickly. 
We're hiring a Senior/Senior+ Software Engineer to work closely with the Head of Engineering in an autonomous, hands‑on role. This is an elevated senior position for someone who enjoys being close to the code, taking...
            

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