Boniface Ntarangwi
I am software engineer with over 10 years experience in designing and implementing high-performance web applications. I have worked for a diverse range of companies, ranging from startups to enterprise teams which has equipped me with a versatile skill to thrive in any collaborative environment. Be it transforming a vision to a working product or refactoring a legacy code base to bring it modern day standards, I am equal to the task.
My skill set encompasses many technologies, including Ruby on Rails, JavaScript, PostgreSQL, React.js, Node.js, Python, HTML, and CSS as well as hosting platforms such as AWS and Heroku.
I am happy to offer my skills and expertise to help you unlock the power of technology to see your product and vision come life. Looking forward to connecting with you!
REVIEWS FROM CLIENTS
- Owned development and high-availability maintenance of 4 critical Ruby on Rails microservices powering payments, SMS messaging, U...
- Owned development and high-availability maintenance of 4 critical Ruby on Rails microservices powering payments, SMS messaging, USSD, and device-unlocking infrastructure
- Engineered and launched 5+ payment integrations across 5 African markets, handling transaction processing, idempotency, and concurrency safeguards for high-volume financial flows
- Architected and developed critical enhancements to the logistics workflow, improving auditability across the supply chain and reducing operational errors and revenue loss in transit
I guide aspiring developers and students on their coding journey by resolving technical issues and offering mentorship for long term p...
I guide aspiring developers and students on their coding journey by resolving technical issues and offering mentorship for long term projects.
I was a Fullstack Developer where I led the process of conceptualizing, developing, and launching new features for an end-to-end platf...
I was a Fullstack Developer where I led the process of conceptualizing, developing, and launching new features for an end-to-end platform for planned communities and cities. One feature led to successful adoption by a key client, converting them to a paying customer and driving revenue growth by 25%.
Other achivements
- Engineered high-performing API endpoints using GraphQL, optimizing query response time by 30% and enhancing product capabilities
- Refactored legacy codebase following industry best practices, achieving a 40% reduction in critical incidents and improved system stability
- Discovered and resolved optimization issues for slow loading pages leading to up to 20% increase in page load times
- Created mobile-first web pages using Material UI following UI/UX best practices that led to a 5% up-tick in page visits
- Wrote integration tests covering 70% of customer facing features, reducing critical bugs and improving customer satisfaction
- Facilitated requirements gathering through site visits and stakeholder meetings, ensuring documentation and comprehensive understanding of project needs and objectives