Developer

IO Associates; Bridgwater; Hybrid; GBP 48,000 - 57,000; Full time

Job summary

A fast-growing FinTech business is looking for a talented .NET Developer to join their engineering team in a hybrid working environment. The role entails building and maintaining Back End services, integrating APIs, and supporting live systems. Candidates should have strong experience with C# and ASP.NET/ASP.NET Core, as well as database skills with MS SQL and MongoDB. This is an excellent opportunity to work on meaningful products and have a real voice in technical decisions.

Qualifications

• Strong experience with C# and ASP.NET/ASP.NET Core.
• Solid database skills with MS SQL and MongoDB.
• Experience integrating and deploying APIs.
• Comfortable working in Agile/Scrum environments.
• A proactive, detail-oriented developer who enjoys problem-solving.

Responsibilities

• Involved across the full development life cycle.
• Building and maintaining Back End services.
• Integrating third-party APIs and deploying applications.
• Supporting live systems and contributing to code reviews.
• Participating in technical documentation and R&D initiatives.

Skills

C# and ASP.NET/ASP.NET Core

MS SQL

MongoDB

API integration

Agile/Scrum

Problem-solving

Tools

JavaScript

TypeScript

Azure

CSS

Job description

Title: .NET Developer

Location: Hybrid (Bristol 2-3 days on site)

Salary: Up to £57,000 D.O.E

I'm currently working with a fast-growing, award-winning FinTech business that's looking to add a talented Backend Developer to their engineering team. This is a permanent role offering the chance to work on high-impact systems within a collaborative, learning-focused environment where innovation and ownership are genuinely encouraged.

The role

You’ll be involved across the full development life cycle, building and maintaining Back End services, integrating third-party APIs, deploying applications, and supporting live systems. You’ll work closely with QA, product, and wider stakeholders, contributing to code reviews, technical documentation, and ongoing R&D initiatives to continuously improve platforms and processes.

What they're looking for

• Strong experience with C# and ASP.NET/ASP.NET Core
• Solid database skills with MS SQL and MongoDB
• Experience integrating and deploying APIs
• Comfortable working in Agile/Scrum environments
• A proactive, detail‑oriented developer who enjoys problem‑solving

Nice to have

• JavaScript/TypeScript
• Azure experience
• Frontend exposure (CSS)

This is a great opportunity for someone who wants to work on meaningful products, have a real voice in technical decisions, and grow with a business that values curiosity, collaboration, and simplicity.

If this role sounds like a good fit, then please apply with an updated CV and reach out