£575 Per day
Inside
Hybrid
S1, Orchard Square, Sheffield
Summary: The API Developer role focuses on designing, building, and integrating high-performance APIs primarily using Golang or Python within a leading financial services organization. The position requires collaboration with front-end teams and contributions to full-stack solutions. This contract role is ideal for developers who thrive in regulated environments and seek to make a significant impact. The position is based in Sheffield with occasional on-site requirements.
Key Responsibilities:
- Design, develop, and maintain robust APIs
- Ensure seamless integration across internal and external systems
- Collaborate with cross-functional teams including front-end developers
- Contribute to architecture decisions and best practices
- Support performance optimisation and scalability initiatives
Key Skills:
- Strong experience with Golang (preferred) or Python
- Proven track record in API development (design, build, integration)
- Understanding of modern software engineering practices
- Experience with React or Node.js (nice to have)
- Working knowledge of Python (if not primary language)
- Exposure to Rust (nice to have)
- Experience with Identity and Access Management (IAM) (highly desirable)
- Familiarity with Google Cloud Platform (GCP) (highly desirable)
Salary (Rate): £575/day
City: Sheffield
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: Mid-Level
Industry: IT
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
- Ensure seamless integration across internal and external systems
- Collaborate with cross-functional teams including front-end developers
- Contribute to architecture decisions and best practices
- Support performance optimisation and scalability initiatives
Required Skills & Experience
- Strong experience with Golang (preferred) or Python
- Proven track record in API development (design, build, integration)
- Understanding of modern software engineering practices
Nice to Have
- Experience with React or Node.js
- Working knowledge of Python (if not primary language)
- Exposure to Rust
Highly Desirable
- Experience with Identity and Access Management (IAM)
- Familiarity with Google Cloud Platform (GCP)
More details available on successful application.