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# Senior Engineer - Fitness & Wellness Technology - London - £80k + Bonus - Java/React/ Azure - [...]

- **Company:** La Fosse
- **Location:** Epsom, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Microsoft Azure, Cloud Computing, Information Engineering, DevOps, Web Development, Mobile Application Software, Standard Sql, Salesforce.Com, Systems Integration, TypeScript, ReactJS, React Native, Api Management
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840692077-senior-engineer-fitness--wellness-technology-london-80k--bonus-javareact-azure-

## About the Role

* Strong experience leading technical design and delivery, with ownership of engineering quality and outcomes
 * Proven ability to define technical direction and produce high-quality low-level designs
 * Broad experience across mobile & web development, API integrations, data engineering and Salesforce
 * Hands-on cloud experience (Azure preferred) with DevOps practices
 * Excellent communication skills + able to translate complex technical concepts for technical and non-technical audiences
 * Experience working in multi-supplier/partner environments
 * Senior Level or in depth understanding with the below + experience leading on projects/ architecture/ Stakeholder management
 * React/ TypeScript
 * Azure (Open to AWS)
 * SQL
 * React Native
 * Fitness/ Wellness industry experience

## Description

We're working with one of the UK's largest healthcare and fitness organisations as they re-platform their entire Fitness & Wellbeing technology ecosystem! They are building a best-in-class member app, paperless onboarding, self-service accounts, and end-to-end automated payments and member management.

They're looking for an experienced Lead Software Engineer / Tech Lead to own technical direction across a workstream spanning Digital, Integrations, Salesforce and Data Engineering.

This is a high-impact, design-and-standards role supporting millions of member interactions - not a line management position (IC role)

This role will be working on a greenfield project (currently in the discovery phase) where you will be re-platforminng their mobile applications, website & back office applications. You will be spearheading a BRAND NEW squad (Spotfiy model) that will include 6 x Engineers + BA/ Architect/ Product Owner

You'll:

 * Own low-level solution design, including third-party system integrations
 * Act as the accountable lead for engineering quality, consistency and delivery pace across multiple workstreams
 * Work closely with Product Owners, Delivery Managers and third-party partners to align technical approach
 * Ensure solutions meet enterprise architecture and engineering standards end-to-end
 * Provide technical guidance and constructive feedback to engineering teams (no direct reports)
 * Identify and mitigate cross-workstream technical risk
 * Support service management transition, ensuring solutions are stable and operationally ready
 * Help drive technical decisions + work closely with an Architect/ Head of Dept


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