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. • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience with 5+ years of professional backend/software engineering experience. • Strong hands-on experience with Node.js and TypeScript. • Python experience is a plus, particularly in AI/ML, automation, and data-intensive applications. • AI-native experience is a strong plus; experience building products or backend services where AI/LLMs are a core part of the product or workflow, including integrating AI APIs, RAG, agents, embeddings, or similar technologies • Strong experience designing and developing REST APIs and integrate with internal and third-party services. • Experience with relational and NoSQL databases, particularly PostgreSQL/MySQL and MongoDB. • Experience with infrastructure and deployment tooling  • Experience with Redis or other caching technologies. • Good understanding of microservices, distributed systems, and event-driven architecture. • Experience with AWS/cloud platforms, Docker, Git, and CI/CD. • Experience with automated testing and writing clean, maintainable, production-ready code. • Strong understanding of security, authentication, authorization, and API best practices. • Strong problem-solving, communication, and collaboration skills. • Familiarity with AI-assisted development tools such as GitHub Copilot, Cursor, Claude, or ChatGPT. This role offers a competitive salary in a collaborative work environment with a dynamic and diverse team. We also offer tremendous potential with a growing global organization.  • Package includes guaranteed take home  • 20 days holidays + public holidays  • Enhanced Parental + Family Leave – 60 days paid Maternity Leave and 20 days paid Paternity Leave. Our Adoption Leave policy follows the similar arrangements.  • Health Insurance or Medical Allowance  • Robust Learning and Development Opportunities  • Team-building activities and social events  • Amazing team culture!  Helium Health is an equal opportunity employer, thus it is not biased in its employment to any race, colour, creed, religion, sex or physical disability