Senior Software Engineer
Location
london, england
Job Type
Full-time
Category
IT & Technology
Posted
May 31, 2026
Role - Python Focused Senior Software Engineer
Location - London
0 to 1 Senior Software Engineer (Small Team real impact)
Stack - Python, Go, AWS
Joining a small team who are building a 0 to 1 product, so this is properly early, shaping the architecture, product direction and core technical decisions from day one.
What makes it a bit different:
- You’re not joining a big existing team — this is closer to a founding engineer environment, but with the backing, data access and distribution of a large, established business
- The product is data-first (not feature-first), multiple data sources, messy real‑world financial data and a focus on building something genuinely useful for decision‑making rather than dashboards for the sake of it
- They’re intentionally keeping things greenfield and modern (AI‑assisted workflows, no legacy constraints)
We are looking for someone comfortable operating in ambiguity, making e...