Senior FinTech Backend Engineer — Python & Payments

Methodfi; Greater London; Hybrid; GBP 80,000 - GBP 100,000; Full time

Job summary

A leading FinTech company is seeking a Senior Back End Engineer to lead project delivery and architect scalable solutions. This position, based in London or remotely within the UK, requires extensive experience in Python frameworks and relational databases. The ideal candidate should have a strong technical foundation and a history of managing complex API integrations. The role offers an expected salary range of £80,000 to £100,000 along with numerous benefits, including flexible working and professional development opportunities.

Benefits

Flexible working hours

Medical insurance

Private GP service

25 days holiday + extra birthday off

Fully paid sabbatical

Access to counselling sessions

3% Pension contribution

Employee equity incentive scheme

Generous parental leave

Electric car scheme

Company retreats twice a year

Learning and development budget

Qualifications

• Extensive experience with Python web frameworks (Django / FastAPI / Flask / Starlette / Ninja).
• Extensive experience with relational databases, ideally PostgreSQL.
• Proven track record of managing the delivery of complex projects.

Responsibilities

• Lead delivery of well-defined projects with multiple stakeholders.
• Architect and implement scalable solutions for complex challenges.
• Contribute high-quality, production-ready code.

Skills

Python web frameworks (Django / FastAPI / Flask / Starlette / Ninja)

Relational databases (PostgreSQL, MySQL)

Managing complex project delivery

Building and managing complex API integrations

Technical or mathematical foundation

Education

Degree in a quantitative field (Computer Science, Engineering, Physics, Maths)

Job description

A leading FinTech company is seeking a Senior Back End Engineer to lead project delivery and architect scalable solutions. This position, based in London or remotely within the UK, requires extensive experience in Python frameworks and relational databases. The ideal candidate should have a strong technical foundation and a history of managing complex API integrations. The role offers an expected salary range of £80,000 to £100,000 along with numerous benefits, including flexible working and professional development opportunities.