Junior Full Stack Developer - Backend focused

Wanda Health is transforming fragmented, reactive healthcare into something better—predictive, proactive, and deeply human. We're building an AI-enabled platform that makes lasting metabolic health achievable—for everyone who needs it. By bringing together biometric monitoring, behavioral coaching, and real-world health data, we help people managing weight and cardiometabolic conditions achieve outcomes that stick.

We partner with US Pharmacy Benefit Managers to deliver personalized care at scale—and we're at an exciting inflection point. With a growing US market presence and an ambitious product roadmap ahead, this is a rare opportunity to shape something meaningful from the inside. If you want to work on a problem that matters, with a team that moves fast and thinks rigorously, we’d love to hear from you.

Hybrid - Bristol - UK 

Senior Backend Developer / CTO

Wanda is looking for a Junior Full Stack Developer with a backend focus to help build our next generation healthcare platform.

This role is ideal for someone with around 2–4 years of commercial development experience who enjoys backend development, wants to deepen their Python/API/database skills, and is keen to grow in a supportive, AI-augmented engineering team.

You do not need to be an expert in every technology listed. We are looking for someone curious, motivated, careful in their work, and excited to learn while contributing to real production software.

• Build and maintain backend features using Python and FastAPI
• Help implement API endpoints, validation logic, business rules and data access code
• Support integration work with third-party systems and internal services
• Support frontend/API integration where useful, including the opportunity to work with React or React Native
• Use AI coding tools responsibly to help with implementation, testing, debugging and documentation
• Implement secure development practices suitable for a healthcare technology environment

• Around 2–4 years of commercial software development experience
• Experience using AI-assisted tools such as Cursor, GitHub Copilot, Claude or similar
• Some experience with Python
• Basic understanding of REST APIs and how applications communicate with backend services
• Some experience with data schema, SQL or relational databases
• Familiarity with Git-based development, ideally GitHub
• Awareness of automated testing and willingness to write tests
• Interest in cloud platforms, CI/CD, security and healthcare technology
• Willingness to work across the stack when needed

• FastAPI or similar API framework experience
• PostgreSQL experience
• React or React Native experience
• AWS exposure
• Docker or containerised development

• Curious and motivated to learn
• Practical problem solver
• Comfortable asking questions early
• Open to feedback and code review
• Clear and thoughtful communicator
• Works well in a small team
• Takes care over quality, testing and maintainability
• Willing to use AI tools, but does not blindly trust their output
• Interested in building software that has real-world impact



• You deliver well-defined backend tasks reliably with coaching support
• You ask good questions when requirements or technical details are unclear
• You write clear, efficient and maintainable code and improve through feedback
• You contribute to automated test coverage and release confidence
• You become increasingly confident with APIs, databases, integrations and platform patterns
• You help the team move faster without compromising quality
• You become increasingly competent and confident in using AI tools to accelerate delivery, including implementation, testing, debugging, documentation and learning, while still applying sound judgement and reviewing outputs carefully.