Senior Full Stack Engineer

October 15, 2026

Hybrid

Senior

Bracknell, UK

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Mandatory office attendance
2 days per week

Description

Senior Full Stack Engineer role at a global financial services company rebuilding its international payments platform within the Corporate Payments division. You will own features end-to-end with a focus on the Vue front end and around 30% API and backend C# work. The role includes owning architecture and technical decisions in your domain, collaborating with Product, Design and Compliance, and modernising legacy services.

Responsibilities

Own features end-to-end with a focus on the Vue front end and API and backend C# work (70/30)
Own architecture and technical decisions within your domain
Collaborate closely with Product, Design and Compliance to take features from idea to production
Improve reliability, observability, testing and production performance
Modernise legacy services
Contribute to wider architectural direction

Requirements

Strong frontend development, ideally with Vue.js experience, although React experience is also fine
C# .Net backend development experience
Good understanding of microservices and event driven architectures
Experience with SQL and relational databases
Experience with production AWS, other cloud providers also considered
Comfortable taking technical ownership and mentoring others
STEM degree
Experience in payments, financial services or another regulated environment is desirable