Location
Orchard Square, South Yorkshire, United Kingdom
Posted
May 26, 2026
Job Description
API Developer (Golang/Python) – Financial Services
* Inside IR35
* Sheffield (1–2 days/month onsite)
A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems within a highly regulated and fast-paced environment.
This role would suit a developer who enjoys working on backend systems but is comfortable contributing to full-stack solutions when needed. If you’re looking to make an impact within a major financial organisation, this could be a strong fit.
Role Overview
You’ll be responsible for designing, building, and integrating high-performance APIs, with a strong focus on Golang (preferred) or Python. You’ll also collaborate with front-end teams, contributing to web-facing components using technologies such as React or Node.js.
Key Responsibilities
* Design, develop, and maintain robust APIs
...
* Inside IR35
* Sheffield (1–2 days/month onsite)
A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems within a highly regulated and fast-paced environment.
This role would suit a developer who enjoys working on backend systems but is comfortable contributing to full-stack solutions when needed. If you’re looking to make an impact within a major financial organisation, this could be a strong fit.
Role Overview
You’ll be responsible for designing, building, and integrating high-performance APIs, with a strong focus on Golang (preferred) or Python. You’ll also collaborate with front-end teams, contributing to web-facing components using technologies such as React or Node.js.
Key Responsibilities
* Design, develop, and maintain robust APIs
...