Senior Backend Developer (Python)

Burns Sheehan; Greater London; Hybrid; GBP 80,000 - 110,000; Full time

Job summary

A leading fintech company is seeking a Senior Backend Engineer skilled in Python and AWS. The role involves shaping backend architecture and leading greenfield projects in a hybrid or remote capacity. The ideal candidate will have robust backend experience and a degree in a technical field. The company offers a competitive salary of £80,000-110,000 plus share options, private medical care, flexible working, and more. This position provides excellent opportunities for growth and impact within a profitable, modern firm.

Benefits

Private medical care

25+ days holiday

Paid sabbaticals

Flexible working

Qualifications

• Strong experience with Python and other OO languages.
• Experience in designing relational database schemas, PostgreSQL preferred.
• Experience in building and consuming RESTful APIs.
• Able to work in high-performing agile teams.

Responsibilities

• Ownership of backend architecture and projects.
• Lead greenfield projects and define ways of working.
• Deploy iteratively in a data-driven environment.

Skills

Backend software engineering experience

Python

Go

Rust

Relational databases

RESTful APIs

Agile methodologies

Education

Degree in Maths, Physics, Computer Science, or Engineering

Job description

Senior Backend Engineer - Python | AWS

💵 £80,000-110,000 + share options

📦 Private medical + GP service | 25+ days holiday | Paid sabbaticals | Flexible working

💻 Python, AWS

📍 Central London, hybrid or remote

🧑💻 Profitable FinTech

We're partnered with a profitable, VC-backed fintech scale‑up that's helping thousands of small businesses across Europe thrive. They combine modern approaches to software engineering with a strong sense of purpose and employee well‑being. They're one of the UK's standout tech employers in the fintech space.

This role offers full ownership, from project scoping to release, with the autonomy to shape backend architecture of projects with real business impact.

You'll have the opportunity to take the lead on greenfield projects, define ways of working and deploy iteratively in a fast‑moving, data‑driven environment. Most of the codebase is in Python, however they've utilised the likes of Rust and Go in smaller pieces of work.

Ideal Profile:

• Strong backend software engineering experience with relevance to their stack (e.g., Python, Go, Rust or any OO language etc.).
• Confident working with relational databases. Experience with designing relational database schemas (PostgreSQL ideal).
• Clear experience building and consuming RESTful APIs.
• Comfortable operating in small, high‑performing, agile squads.

Bonus Points For:

• A strong numerical or technical background, underpinned by a degree in Maths, Physics, Computer Science, Engineering.

This is a high‑impact opportunity to shape a major revenue channel at one of Europe's leading fintech innovators - with the freedom, tooling, and support to grow.

Senior Backend Engineer - Python | AWS

Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds.