Senior Software Engineer

Full Stack Engineer (Go & React, backend leaning) | Up to £100k + Bonus | Hybrid (min once a fortnight)

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.

• 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 Go.
• 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.

• Designing and developing backend services in 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.

• Commercial experience with Go (Golang).
• Solid understanding of API design and OpenAPI specifications.
• Experience working with relational databases, ideally Postgre
  
  SQL.
• 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.

• Experience with Type Script.
• 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 Dev Ops practices.

• 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.

Apply now or get in touch for a confidential discussion.