Staff Backend Engineer

Job Title: Staff Backend Engineer (Kotlin) Location: Remote (UK-based candidates only) Salary: £100,000 - £130,000 Reports To: CTO Industry: Healthcare About the Company: I’ve partnered with an exciting HealthTech start-up on a mission to revolutionise healthcare through technology. Following investment, they are now looking for a Staff Backend Engineer to join the team and help build their core backend systems. This is a fantastic opportunity to get in early, take ownership, and shape the future of both the technology and the engineering team. Role Overview: As a Staff Backend Engineer, you’ll be one of the first key hires on a new backend team. You will play a critical role in shaping the backend architecture, scaling systems, and setting engineering standards. Whether you want to move into engineering leadership or continue developing your technical expertise with a focus on architecture, the role offers a clear path in both directions. Key Responsibilities: Lead the design and development of scalable, high-performance backend systems. Establish and enforce best practices for backend development and system architecture. Provide solutions to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Tech Stack: Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Database: PostgreSQL Cloud Platforms: AWS or GCP Containers & Orchestration: Docker, Kubernetes CI/CD for continuous integration and deployment What We’re Looking For: 7 years of backend engineering experience, with a strong background in multithreaded backend languages (Kotlin, Java, Go, Rust, etc.). Experience working in the HealthTech space Strong experience with PostgreSQL or similar relational databases. Proficient in system design, API development, and microservices architecture. Hands-on experience with cloud platforms (AWS, GCP), containerisation (Docker), and orchestration (Kubernetes). Experience in start-up environments is a plus, as the role will require you to be adaptable and work in a fast-paced, evolving setting. Excellent communication skills and the ability to collaborate effectively with both technical and non-technical teams. A passion for building scalable, secure, and maintainable systems. Why Join? Competitive £120,000 salary with equity options. Fully remote role (UK-based candidates only). Opportunity to have a real impact on the product and the team from day one. Clear career progression, based on your aspirations. Join a mission-driven company that is transforming healthcare and positively impacting lives. Interview Process: The interview process will consist of the following stages: Intro Call: A brief conversation to discuss your background and the role in more detail. Take Home Task or Live Coding (Your Choice): You’ll complete a technical exercise to demonstrate your skills and approach to solving backend challenges. Systems Design Interview: A whiteboarding exercise to assess your ability to design scalable, robust backend systems. Final Interview with Co-Founders: An in-depth conversation to ensure you’re a great fit for the team and the company’s culture.