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# Senior Full Stack Engineer (Belfast-Hybrid)

- **Company:** MCS Group
- **Location:** Belfast, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), .NET Framework, Amazon Web Services, C Sharp (Programming Language), Continuous Integration, Node.Js, NoSQL, SQL Databases, TypeScript, ReactJS, AWS AppSync, Backend, Event Driven Architecture, AWS Fargate, Graphql, Functional Programming, Api Gateway, Restful APIs, Microservices
- **Published:** July 29, 2026
- **Apply:** https://www.nijobfinder.co.uk/job/2047429/senior-full-stack-engineer-belfast-hybrid-/

## About the Role

You'll take ownership of design, development, testing, and deployment of scalable services, driving engineering best practice and contributing to a modern microservices architecture. This role offers strong exposure to AWS-native technologies and the chance to work closely with senior technical stakeholders.Key Requirements:5+ years' experience in full stack or backend engineering (TypeScript preferred)Strong experience with React, TypeScript, REST/GraphQL APIsSolid backend development experience (Node.js / C# / Java)Experience with AWS (Lambda, API Gateway, AppSync, Fargate)Microservices, event-driven architecture & messaging systemsStrong database experience (SQL & NoSQL)CI/CD, testing, and Agile delivery experienceDesirable:Experience in financial systems or regulated environmentsC# / .NET exposureKnowledge of low-latency systemsThis is an excellent opportunity to work on a highly visible platform with real impact, within a collaborative, forward-thinking engineering culture.

## Description

MCS Group is delighted to be working with a global fintech market leader as they continue to scale their next-generation platform team with the addition of a Senior Full Stack Engineer.This is a unique opportunity to join a newly formed, high-performing engineering function building a greenfield platform in partnership with AWS. You'll work on cutting-edge, event-driven systems in a truly global environment, contributing across the full SDLC while mentoring junior engineers and influencing architectural decisions.The Role


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