Hirwa Felix

Engineering the contributions platform that processes statutory pension, medical insurance, and other social security payments for all Rwanda-registered employees, built on NestJS, PostgreSQL, Kafka, and Redis. Containerizing services with Docker and managing CI/CD pipelines through GitHub Actions as part of day-to-day development and deployment workflow.

Architected and delivered a national-scale Document Archiving System (DAS) for government institutions in Rwanda, using Spring Boot, Tesseract OCR, ElasticSearch, React.js, and Next.js for the frontend delivery. Engineered a large-scale archival pipeline processing over 10 million sensitive public-sector records, with high-speed ElasticSearch indexing enabling sub-second full-text search across th

Designed and maintained high-performance backend services using Spring Boot and RabbitMQ for asynchronous processing, integrating payment APIs including MTN MoMo, Bank of Kigali (BK) loan booking, and PRIME Insurance policy handling. Delivered RESTful APIs sustaining 10,000+ daily transactions with high availability, security, and scalability.

Built and maintained backend services using Django (Python) with secure, scalable API endpoints for a shared-housing marketplace. Integrated RESTful and GraphQL APIs supporting real-time data updates across the platform. Achieved a 45% improvement in page load times and a 30% boost in user engagement through performance tuning and efficient state management.

Improved API response times by 60% through architectural refactoring using Java/Spring Boot, NestJS, and Laravel. Built and optimized document management systems handling 1M+ pages for government and financial-sector clients. Applied clean architecture & SOLID principles to improve system maintainability and onboarding speed.

Developed the TVET Management Information System (TVET MIS) in Laravel, integrating Cogebank for online fee payment via MoMo and Cogepay. Built and deployed a cross-platform e-book store (imaginewe.rw) using Flutter & Laravel REST APIs. Reduced bug resolution time by 50% through implementation of an automated bug tracking workflow.

Designed and delivered full-stack systems across healthcare, education, e-commerce, and pharmacy domains using PHP (Laravel), MySQL, and JavaScript. Built backends for school management, pharmacy inventory, practitioner registration, and CPD platforms. Consistently applied REST API best practices, OOP, and security standards.

Bachelor of Science in Information Systems from the University of Rwanda, completed in 2019.