Senior Full Stack Developer .Net & React/Typescript

We are seeking an experienced Senior Full Stack Engineer to play a key role in the design, development, deployment and support of modern digital products and services. This is a hands-on senior engineering position that combines deep technical expertise with architectural leadership, mentoring and ownership of software delivery standards.

Working within a collaborative Agile environment, you will take responsibility for delivering scalable, secure and highly reliable solutions across both front-end and back-end technologies. You will drive engineering best practices, champion automation and quality, and help shape the technical direction of digital platforms and customer-facing applications.

This role offers the opportunity to influence architecture, improve engineering capability across the team and work closely with Product, Architecture, Security and Operations stakeholders to deliver high-quality software solutions.

Key Responsibilities

Software Development & Solution Delivery

Design, develop and maintain high-quality applications and services using React, TypeScript and .NET/C#.

Take ownership of complex technical solutions from initial design through to deployment and operational support.

Deliver scalable, secure and maintainable code following modern engineering practices.

Lead technical investigations, proof-of-concepts and prototyping activities.

Own complex technical challenges and drive solutions across multiple systems and teams.

Ensure software is designed with performance, resilience and long-term maintainability in mind.

Architecture & Technical Leadership

Lead technical design discussions and contribute to strategic architectural decisions.

Define service boundaries, API contracts, integration patterns and data flows.

Promote modern software architecture principles, including modular design and domain-driven approaches.

Work closely with Architecture teams to ensure alignment with technology standards and long-term roadmaps.

Identify technical risks and recommend appropriate mitigation strategies.

Influence the future direction of digital products and engineering practices.

Engineering Quality & Testing

Champion a quality-first engineering culture.

Define and implement testing strategies across applications and services.

Promote Test-Driven Development (TDD) and automation-first approaches.

Drive improvements in automated testing, including:

Unit Testing

Integration Testi...