Senior Backend Engineer (NodeJS)
Helium Health • Nigeria
No Relocation
Posted: August 26, 2026
Job Description
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.
Additional Content
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.