Software Developer C# .Net Core API SQL

Bracknell Source: WhatJobs

See advert for pay

Overview

In this hands-on role, you reshape backend services for a leading international payments platform. You’ll work in a small, autonomous team to deliver new capabilities and influence the platform’s architecture. You design and build robust APIs and backend systems using C# .Net Core, with a focus on scalable microservices and event-driven patterns. You’ll optimise SQL data models, champion automated testing, and operate in production on AWS, while mentoring peers and advancing engineering best practices. This is an engaging opportunity to directly impact product evolution and technical excellence.

Pay / Benefits

salary up to 85k + bonus
23 days holiday (28 + birthday off)
Pension
Life Assurance
Income Protection
Critical Illness Cover (Healthcare)

Responsibilities

Design and implement robust APIs and backend services using C# .Net Core
Lead delivery of new capabilities and technical projects from design to production
Contribute to system design and architectural decisions across microservices and event-driven environments
Design and optimise SQL databases and queries
Maintain high standards of automated testing
Work with AWS and other cloud platforms in production
Mentor other engineers and share technical knowledge
Utilise AI development tools to improve engineering productivity
Collaborate with cross-functional teams to evolve the platform architecture
Participate in shaping the next generation of the payments platform

Key requirements

Strong C# .Net Core backend development experience
Experience building production APIs
Good SQL skills
Experience with system design, software architecture, microservices and event driven systems
Comfort with cloud infrastructure in production; AWS preferred
Experience mentoring engineers and sharing knowledge
Hands-on experience with AI coding/development tools such as Claude or Copilot
Finance/payments experience is desirable but not essential