Full Stack Developer

About Us

We’re on a mission to make health and wellness fairer and better for everyone by putting power and choice back into the hands of the people that make the difference - health and wellness practitioners. 

the home of growth

With three central London clubs (Soho, Liverpool Street, and Marylebone), and ambitious expansion plans in 2026, we’re redefining the wellness category by building a community where practitioners and team members can unlock their potential, collaborate, and grow.

About the Role

As a Senior Full Stack Engineer, you will work closely with the Technical Lead and product team to design, build, and scale key features for our platform. You will be involved in both frontend and backend development, with a strong focus on building scalable, maintainable, and high-performing systems. 

You’ll help implement new features, integrate third-party services, and ensure that our platform can support global expansion across multiple regions and languages. You will also be provided with AI-powered tools that accelerate workflows, such as GitHub Copilot, Cursor, and ChatGPT.

Key Responsibilities:

• Full Stack Development:

  Develop and maintain both backend services and frontend interfaces using TypeScript, React, and Node.js. You will be responsible for creating a seamless, efficient experience for both users and internal teams.

• API Development & Integration:

  Work on API design and integration, including creating RESTful APIs and ensuring smooth integration with payment platforms like

  Stripe

  and other third-party services.

• Event-Driven Architecture:

  Build and maintain containerised or serverless systems using AWS Lambda, DynamoDB, EventBridge, and other AWS services to create resilient, scalable systems.

• Localization & Currency Handling:

  Develop solutions that handle localization and multi-currency requirements, ensuring the platform supports different languages and regions.

• Scalability & Performance:

  Focus on building systems that scale efficiently to support global user growth, ensuring performance and security at every level of the application.

• Collaboration & Mentorship:

  Collaborate closely with product managers, designers, and engineers to deliver high-quality features.

• AI-Powered Tools:

  Leverage AI-driven tools like GitHub Copilot, ChatGPT, and Cursor to accelerate development workflows, automate tasks, and enhance productivity.

Required Skills and Experience:

• Full Stack Expertise:

  5+ years of experience building web applications using React (frontend) and Node.js/TypeScript (backend).

• Cloud Architecture:

  Extensive experience with AWS services, particularly AWS Lambda, DynamoDB, and EventBridge, with a focus on building event-driven, serverless architectures.

• API Design & Integration:

  Strong experience in designing and consuming RESTful APIs, with a focus on integration with third-party services (e.g., Stripe for payment processing).

• Localization & Internationalization:

  Experience implementing localization features and handling multiple currencies based on user preferences and locale.

• CI/CD & Testing:

  Proficient in CI/CD workflows, using tools like Vitest or Jest for unit, integration and API testing.

• Version Control & Collaboration:

  Familiarity with Git and modern Git-based workflows (e.g., pull requests, code reviews, trunk-based development).

• Frontend Development:

  Experience with modern JavaScript frameworks like React or Vue, and familiarity with frontend state management (e.g., Redux or Context API).

• Cloud Development Tools:

  Experience using tools like AWS CDK or Terraform for cloud infrastructure automation and management.

Desirable Skills:

• AI Tool Familiarity:

  Experience using AI-powered development tools like GitHub Copilot, Cursor, and ChatGPT to enhance workflows and productivity.

• Containerization:

  Experience with containerization tools like Docker and orchestrators like AWS ECS.

• Agile & Scrum:

  Familiarity with Agile methodologies and tools like Jira for project management.