Senior Software Engineer Python

Role: Senior Software Engineer (Python)Salary: £100,000-£110,000 + BonusWFH: Hybrid – 2-3 days/week in-office (Central London)

Overview

Our client is a profitable and fast-growing UK fintech helping over 800,000 customers improve their financial health. Backed by strong leadership and AI-driven innovation, the company is building a brand-new mobile app and scaling its engineering team to support rapid product delivery.

They're now hiring a Senior Python Engineer to join this lean, high-impact team and help shape the future of fair, tech-driven credit products.

Key Responsibilities

• Design, build and scale modern APIs and backend services in Python
• Lead technical delivery across greenfield and legacy systems
• Collaborate closely with product and DevOps teams
• Write maintainable, testable, high-performance code
• Influence architecture and mentor junior engineers
• Balance delivery with strategic thinking in a fast-moving environment

Ideal Candidate

• 7+ years of experience in software engineering
• Strong Python (FastAPI, Flask, or Django preferred)
• AWS or Azure cloud exposure
• Frontend awareness (e.g. React)
• Agile mindset; thrives in lean, delivery-focused teams
• Passionate about AI and emerging tech
• Holds a STEM degree (Russell Group or Red Brick ideal)
• UK, ILR or Settled Status required (no sponsorship available)

Benefits

• Up to £110,000 base salary
• Company bonus scheme
• Hybrid working (2-3 days/week in-office)
• 25-30 days holiday + bank holidays
• Enhanced pension & life cover
• Ongoing training and mentoring
• Inclusive, ambitious team culture

Interview Process

1. HR Intro + CV Review
2. Technical Deep Dive
3. Python Task or Design Challenge
4. Final with CEO + Leadership (vision & ambition focus)

This is a rare chance to join a profitable fintech scaling fast – and help redefine access to fair financial products in the UK.