Senior Backend Engineer – Global Healthtech (.NET / C#)

Senior Backend Engineer – Healthtech (.NET / C#) Remote (South Africa) | Full-Time | Salary Package: R100,000 – R115,000 per month Includes: base salary, employer retirement contribution, monthly medical aid contribution About the Company Our client is a European healthtech startup building modern practice management software for healthcare professionals. They are building modern, intuitive practice management software that reduces administrative burden for medical professionals and enables deeper system-wide healthcare integration. If you’ve ever used outdated legacy medical software and thought “there must be a better way,” this is the team making it happen. Their mission: enable better healthcare experiences through thoughtful technology. They operate with strong values of ownership, excellence, integrity, and collaboration, and their lean, product-driven team focuses on building software used by healthcare professionals The Role We are looking for a Senior Backend Engineer (.NET / C#) to take a high-ownership role within a cross-functional product team. You will build the core services layer of a sophisticated cross-platform application, designing secure, scalable, and maintainable backend systems that directly support healthcare delivery. This role goes beyond coding, it requires architectural input, mentoring teammates, and shaping the long-term technical direction of the platform. What You’ll Be Responsible For • Designing and building APIs for frontend applications and external integrations • Managing complex, structured, and sensitive healthcare data • Contributing to architectural decisions grounded in Domain-Driven Design (DDD) and SOLID principles • Collaborating daily with Product Owners, UX/UI Designers, QA, and DevOps • Refining requirements, planning user stories, and estimating delivery • Conducting code reviews and mentoring team members • Continuously improving code quality, architecture, and engineering processes