Senior Software Engineer
👩 💻 Software Engineers (Mid & Senior Level)
💰 £70,000 - £115,000 + shares (DoE)
📍 London / hybrid - 3 days per week in the office
🚀 Fintech - Series A funded
This is a rare opportunity.
Early-stage enough to have real impact. Late enough to have real traction. The window where joining actually makes a difference.
Company:
A Series A fintech backed by second-time founders who've previously raised and sold. They're building technology that sits inside critical financial infrastructure - already trusted by major Tier 1 banks, with US expansion underway.
The Role:
This is a backend-heavy engineering role for someone who thinks like a product owner, not just an executor. You'll work across the stack and take real ownership end-to-end, from idea to production.
Key responsibilities:
- Build and own backend services across the core platform
- Work across frontend and infrastructure when needed - polyglot mindset valued
- Take features from requirements through to production with real autonomy
- Push back on requirements, think about the customer, and understand the bigger picture
- Contribute to architecture decisions as the team and platform scale
Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions.
AI? YES - They're shipping LLM-powered products
👉 Exact tech match less important than strong backend fundamentals and a polyglot mindset.
You'll be a good fit if you...
- Have 3+ years of backend engineering experience
- Have worked at a startup or owned something from zero to production
- Are intellectually curious - you ask questions, dig into problems, and care about the why
- Want autonomy and responsibility, not just tickets
💚 Why join?
🎯 Real ownership Small team, big responsibility. You'll work directly with the founders and have genuine influence over what gets built and how.
🚀 Exceptional founders Second-time founders with a proven track record. They've done this before and know how to build a company that lasts.
📈 Equity that could matter Strong equity options from day one.
🌍 Expanding fast Already live with major UK banks, US expansion underway. This is a business with real momentum.
🤖 Working with AI & latest tech They're actively shipping LLM-powered features into production - and there's real appetite to go further.
The Package:
- Mid-level: £70k–£90k | Senior: £90k–£115k base (DoE)
- Share options
- Bupa private health cover
- 25 days holiday + pension
- Farringdon, London - hybrid, 3 days per week in the office (team lunches on Fridays!)
Interview Process:
- Intro call with a founder or senior team member
- Tech test and technical interview
- Onsite - meet the team and learn more about the role