> Markdown version of [/jobs/ext/4679729-full-stack-developer-react-react-native-net](https://www.wearedevelopers.com/jobs/ext/4679729-full-stack-developer-react-react-native-net). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Full-Stack Developer - React, React Native & .NET

- **Company:** Puma Berry Ltd
- **Location:** Newton Abbot, United Kingdom (Remote available)
- **Experience:** Expert
- **Salary:** £110,500 - £136,500
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, ASP.NET MVC Framework, Unit Testing, Code Review, Data Synchronization, Web Development, Entity Framework, Mobile Application Software, Microsoft SQL Server, Model View Controller (MVC), Standard Sql, Application Data, Web Applications, ReactJS, Backend, SC Clearance, React Native, Restful APIs
- **Published:** November 12, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5961625898

## About the Role

* Current UK SC clearance is preferred; applicants eligible to obtain SC may be considered, subject to confirmation. Active SC clearance is required for site attendance.
 * At least six months experience developing web applications using React.
 * At least six months experience developing mobile applications using React Native with Expo.
 * At least six months experience developing RESTful API backends using ASP.NET Core MVC.
 * Practical experience using Entity Framework Core with SQL Server.
 * Experience working within Agile software development teams.
 * Strong unit testing, code review and collaborative development practices.
 * Clear communication skills and a constructive approach to working with colleagues.
 * Preferred: two years experience with ASP.NET Core MVC, Entity Framework Core and SQL Server, and two years experience with React and React Native with Expo.
 * Helpful additional experience includes developing survey, inspection or field-data collection applications; delivering software in the regulated maritime defence sector; developing mobile applications with offline functionality and data synchronisation; and using TanStack Query or the Royal Navy Design System.

## Description

* Develop and enhance web applications using React.
 * Build mobile applications using React Native with Expo.
 * Develop RESTful APIs using ASP.NET Core MVC.
 * Manage application data using Entity Framework Core and SQL Server.
 * Improve survey workflows, assignment tracking, synchronisation and reporting.
 * Collaborate with business analysts to clarify and refine requirements.
 * Produce maintainable code with clear separation of concerns and extensive unit test coverage.
 * Participate in code reviews, technical discussions and demonstrations.
 * Keep the Squad Lead informed of progress, blockers and concerns.
 * Contribute to monthly project progress reporting.

Technologies:

 * API
 * ASP.NET
 * Backend
 * Mobile
 * MVC
 * React
 * React Native
 * SQL
 * Web
 * Security
 * Fullstack