Senior Full Stack Developer.Net & React/Typescript

IT Architecture; Ledston; Sur place; GBP 70 000 - 95 000; Plein temps

Résumé du poste

IT Architecture in Ledston, United Kingdom, is seeking a Senior Full Stack Engineer to lead design, development, deployment and support of digital products and services. This hands-on role combines deep technical expertise with architectural leadership, mentoring and ownership of software delivery standards within an Agile environment.

You will work across frontend and backend technologies to deliver scalable, secure solutions, influence architecture, and partner with Product, Architecture,

Qualifications

• Strong experience delivering full-stack applications in a modern tech stack.
• Ability to mentor and lead engineering teams and champion best practices.
• Experience with designing scalable, secure software architectures.

Responsabilités

• Design, develop and maintain high-quality applications and services using React, TypeScript and .NET/C#.
• Take ownership of complex technical solutions from design through deployment and support.
• Deliver scalable, secure, and maintainable code following modern engineering practices.
• Lead technical investigations, proofs-of-concept, and prototyping activities.
• Own complex technical challenges and drive solutions across multiple systems and teams.
• Ensure software is designed with performance, resilience and maintainability in mind.
• Lead technical design discussions and contribute to strategic architectural decisions.
• Define service boundaries, API contracts and data flows.
• Promote modular design and domain-driven approaches.
• Work with Architecture teams to ensure alignment with standards and roadmaps.
• Identify technical risks and mitigation strategies.

Connaissances

React

TypeScript

.NET/C#

Outils

Azure

CI/CD

Description du poste

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

• 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 Testing API Testing Contract Testing End‑to‑End/UI Testing Performance Testing
• Ensure quality gates are embedded within deployment pipelines.
• Continuously improve software reliability, maintainability and code quality standards.
• Drive best practices across CI/CD pipelines and automated deployments.
• Implement and improve release strategies including feature flags and progressive delivery techniques.
• Ensure applications are built and deployed using secure and repeatable processes.
• Support cloud‑native development principles and modern DevOps practices.
• Work within Azure‑based environments and contribute to ongoing platform improvements.
• Promote automation across build, test and deployment activities.

Operational Support & Reliability

• Take ownership of the operational health of applications and services.
• Implement and improve observability through logging, monitoring, metrics and tracing.
• Lead incident investigation and resolution activities.
• Conduct post‑incident reviews and ensure lessons learned are embedded into future development.
• Identify and resolve technical debt, defects and performance bottlenecks.
• Participate in an agreed out‑of‑hours support rota where required.
• Provide technical leadership and support to engineers across the development team.
• Mentor and coach developers to improve technical capability and delivery practices.
• Lead code reviews and technical design reviews.
• Promote engineering best practices and continuous improvement.
• Share knowledge through technical workshops, communities of practice and team collaboration activities.
• Act as a senior technical point of contact within the wider engineering function.

Stakeholder Engagement

• Collaborate with Product Managers, Architects, QA Engineers, UX Designers, Security Specialists and Operations teams.
• Build strong relationships with stakeholders across technology and business functions.
• Communicate complex technical concepts clearly to both technical and non‑technical audiences.
• Contribute to governance, risk, compliance and security discussions where required.
• Support the delivery of strategic technology initiatives and digital transformation programmes.