Ubulu Africa is a digital innovation hub committed to driving impactful digital innovation across Africa. With a focus on venture building and ecosystem building, Ubulu Africa endeavours to catalyze economic empowerment and sustainable development by fostering collaboration between innovators, startups, corporate organisations, academic institutions, and gov...
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We are seeking a Senior Backend Engineer with a proven track record of building scalable APIs and powering data-heavy workflows (e.g., dynamic tables, filtering, analytics). You will be joining a fast-moving, impact-driven team and playing a key role in designing and maintaining the core services behind our high-growth platforms.
The ideal candidate is based in Lagos, able to work independently in a remote-first setup, and available for occasional in-person meetings as required. You must be highly proficient in NestJS and Express.js, and comfortable owning backend responsibilities with minimal supervision.
What You Will Do
API Development: Design, build, and maintain robust and scalable RESTful APIs using NestJS and Express.js.
Backend Logic for UIs: Structure backend logic effectively for table-heavy user interfaces, including implementing efficient pagination, filtering, and sorting functionalities.
Database Performance: Implement performant database queries and aggregation pipelines to ensure optimal application speed and responsiveness, especially with MongoDB or similar NoSQL databases.
Cross-functional Collaboration: Collaborate closely with frontend engineers to define clear API contracts and resolve integration needs, ensuring seamless data flow and user experience.
Code Quality: Write clean, testable, and maintainable code adhering to best practices and coding standards.
System Design & Optimisation: Participate actively in system design discussions and performance optimisation initiatives to enhance the overall architecture and efficiency of our platforms.
Documentation: Document endpoints, services, and key technical decisions for knowledge sharing and team collaboration.
What You Will Bring
Experience: 4+ years of backend engineering experience with production NestJS/Express systems.
Database Proficiency: Strong proficiency with MongoDB or similar NoSQL databases, including experience with data modelling and complex query optimisation.
Data-heavy Applications: Proven experience working with data-heavy applications, tables, and analytics platforms.
API Principles: Strong understanding of REST API principles, design patterns, and authentication mechanisms.
Technical Skills: Familiarity with Git for version control, asynchronous operations, and middleware architecture.
AWS & CI/CD : Experienced deploying production grade services on AWS using CI/CD pipelines.
Autonomy & Delivery: Ability to work independently, manage tasks effectively, and consistently meet delivery timelines in a remote-first environment.
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