Full Stack Developer (React & C# .NET)

• Strong React/front-end capability.
• Strong C#/.NET back-end capability.
• Ability to operate across the full stack where required.

Overview

We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes.

You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias.

This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design activities.

The successful candidates will be strong engineers with deep expertise in React and C#/.NET, capable of operating across the full technology stack and collaborating closely with Product Owners, Business Analysts, Architects, and Testing teams within an Agile delivery environment.

Essential Skills & Experience

• Extensive commercial experience as a Full Stack Developer.
• Strong expertise in React and modern front-end development practices.
• Strong experience with C#/.NET and back-end API development.
• Experience designing and developing enterprise-grade applications.
• Proven experience working on data migration, ETL, or integration projects.
• Strong understanding of relational databases and data modelling.
• Experience contributing to technical design and architectural discussions.
• Comfortable working within Agile delivery teams.
• Excellent stakeholder engagement and communication skills.

Desirable Experience

• Experience working on large-scale transformation programmes.
• Exposure to cloud-based architectures and modern deployment approaches.
• Experience integrating with multiple enterprise platforms and third-party systems.
• Familiarity with Jira, Confluence, and Agile tooling.