Full Stack Engineer

Full Stack Engineer (PHP, Go & React) | Up to £100k + Bonus | Hybrid

Our Software Engineering team has been engaged exclusively to build a brand-new product team for an innovative health and wellbeing tech startup creating a next-generation wellness platform. The product is being built from the ground up with a privacy-first architecture, designed to protect user data while delivering intelligent, personalised experiences.

This is an opportunity to join early, shape both the frontend and backend architecture, and play a critical role in building a product that genuinely aims to make a difference.

The Opportunity

Build and own full-stack features across a consumer-facing platform.

Work on a product where privacy and security are foundational, not afterthoughts.

Develop scalable backend services using PHP and Go.

Create modern, responsive user experiences using React.

Collaborate closely with mobile (iOS & Android) teams on shared data models and API integrations.

Influence application architecture, API design, frontend frameworks, and scalability decisions from day one.

What You'll Be Doing

Designing and developing backend services in PHP and Go for secure data handling and business-critical functionality.

Building intuitive, high-performance frontend applications using React.

Writing and maintaining unit, integration, and end-to-end tests.

Contributing to shared API specifications (OpenAPI / YAML).

Building privacy-first systems, including secure data synchronisation and user management capabilities.

Developing notification, engagement, and user-facing platform features.

Working alongside Kotlin Multiplatform, iOS, and Android engineers on shared schemas and integrations.

Ensuring GDPR compliance and best practices in data protection and application security.

Optimising applications for performance, scalability, accessibility, and reliability.

Participating in architecture discussions and helping define engineering best practices.

What We're Looking For

Strong commercial experience as a Full Stack Engineer or Software Engineer.

Experience building production applications using PHP.

Commercial experience with Go (Golang) or a strong desire to work with it.

Strong frontend development experience with React.

Solid understanding of API design and OpenAPI specifications.

Experience working with relational databases, ideally PostgreSQL.

Familiarity with cloud infrastructure (AWS, GCP, or similar).

Understanding of secure application development and privacy-first engineering principles.

Experience collaborating with cross-functional teams, including mobile engineers.

Strong preference for candidates with experience building consumer-facing products.

Nice to Have

Experience with TypeScript.

Experience with Docker, Kubernetes, or containerised environments.

Exposure to event-driven architectures and messaging systems.

Experience working in startup or scale-up environments.

Knowledge of CI/CD pipelines and modern DevOps practices.

Why This Role

Join a team building a brand-new product designed to genuinely help people.

Backed by a proven tech incubator with a strong history of launching successful products.

Early-stage team with plans to scale significantly over the next 6 months.

Work in a high-trust, no-ego culture where ownership and impact matter.

Competitive salary depending on experience, plus up to 10% performance-based bonus.

Strong benefits package and flexible working arrangements.

Opportunity to influence product and technical direction from the very beginning.

If you're a Full Stack Engineer who enjoys working across the frontend and backend, wants genuine ownership, and is excited by the opportunity to build a meaningful product from the ground up, this is worth a conversation.