Senior Backend Engineer (NodeJS)

Helium Health is accelerating Africa’s transition to a technology and data-driven healthcare sector. We provide a suite of solutions that serve as the digital infrastructure for all healthcare stakeholders in Africa: providers, payers, patients & governments.

We are looking to hire a Senior Backend Engineer (NodeJS) who will be responsible for all aspects of the development and delivery of applications.

Responsibilities

• Design, build, and maintain scalable, secure, and high-performance backend services using Node.js and TypeScript.
• Develop and maintain RESTful APIs and integrate with internal and third-party services.
• Design and optimize data models and services using PostgreSQL/MySQL, MongoDB, and Redis.
• Build reliable, maintainable, and well-tested software with appropriate unit, integration, and API testing.
• Design and evolve scalable architectures, including microservices and event-driven systems where appropriate.
• Deploy and operate backend services in AWS/cloud environments, working with CI/CD and containerization.
• Monitor and optimize applications for performance, scalability, availability, and reliability.
• Collaborate with Product, Frontend, QA, DevOps, and other teams to deliver high-quality products.
• Participate in code reviews, technical design, and architecture decisions.
• Mentor and provide technical guidance to junior and mid-level engineers.
• Leverage AI-assisted development tools to improve engineering productivity, code quality, testing, and problem-solving.