Senior Software Engineer

Senior Software Engineer - Python - London

Salary: Up to £90,000

Location: Hybrid – 2 days per week in Canary Wharf (E14)

Contract: Permanent, Full Time

Interviews: WC 9th February

Agency Partner: dcoded

dcoded are partnering with a high-growth Real-Time Data SaaS business based in London, operating across a variety of market which includes wellbeing technology and gambling
.

The company builds low-latency, data-intensive platforms that ingest and process real-time data at scale, supporting:

The business is entering a significant growth phase and is expanding its engineering team.

We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms — not internal IT systems.

This is a hands‑on role covering the full development lifecycle, from system design and build through to deployment and production support, with a strong focus on reliability, performance, and commercial impact
.

• Design and develop scalable components within a real-time SaaS architecture
• Deliver high-quality software to agreed timescales
• Build and execute tests to support stable releases
• Support production systems, including out-of-hours support on a rota
• Collaborate with product teams and third-party partners
• Postgre
  
  SQL and No
  
  SQL databases
• Python is the core language
• API-driven and distributed systems
• Betting, gambling, or other real-time domains (e.g. trading, finance)
• Dev Ops, CI/CD, AWS, Terraform