Full Stack Developer (React / C# .NET)

Senior Full Stack Developer (React / C# .NET)

Contract: Initial 3-Month Engagement (Long-Term Programme)

IR35 Status: Outside IR35

Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements)

Rate: £500 per day Outside IR35

Overview

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

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.

Key Responsibilities

Full Stack Development

Design, develop and maintain modern web applications using React and C#/.NET.

Deliver robust front-end experiences with a strong focus on usability and performance.

Build scalable and maintainable back-end services, APIs, and integrations.

Contribute across the full technology stack where required.

Support development best practices, code quality, and technical standards.

Data & ETL

You will support key data transformation initiatives, including:

Migration of existing artefacts into target data models.

ETL solution design and implementation.

Development of data ingestion processes and pipelines.

Integration with target platforms, applications, and databases.

Validation, transformation, and reconciliation of legacy data.

Technical Design & Architecture

Working alongside Architects and technical stakeholders, you will contribute to:

Solution architecture discussions.

System and integration design activities.

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