Company: IO Associates
Location: Southampton (SO14) – Hybrid (3 days on-site)
Type: Permanent
Salary: Up to £50,000 per annum
Overview
Join IO Associates, a company driven by technology, design, and innovation — delivering smart, sustainable solutions across energy, HVAC, manufacturing, and IoT sectors.
As a Fullstack Developer, you’ll lead the end-to-end development of scalable web applications using ReactJS, React Native, .NET, and Azure, including API design and IoT integrations. You’ll also drive DevOps best practices, CI/CD, monitoring, and automated deployments.
Key Responsibilities
- Develop and scale modern web applications
- Design and implement RESTful & GraphQL APIs
- Integrate with IoT systems and third-party services
- Implement CI/CD pipelines and automated testing
- Ensure secure coding standards (OAuth2, RBAC, Entra ID/B2C)
Required Skills
- Fullstack expertise: .NET/C# and ReactJS
- Azure Cloud experience
- REST/GraphQL API development
- SQL/NoSQL or ADX databases
- CI/CD automation and testing
- Strong focus on secure coding and best practices
Additional Information
- Hybrid working (3 days per week on-site)
- Opportunity to work with cutting-edge IoT and cloud technologies
- Visa sponsorship is not available — applicants must have the right to work in the UK
How to Apply
Ready to make an impact? Apply now to join a forward-thinking, tech-focused team in Southampton.
