Dimitri Kwihangana

Contribute to the development of OpenHEXA, an open-source data integration and analysis platform used by international health and development organisations worldwide.
Build and maintain full-stack features using Python (Django) on the backend and React/TypeScript on the frontend, delivering production-ready code through CI/CD pipelines.
Collaborate with distributed cross-functional teams across time zones, participating in code reviews, sprint planning, and technical design discussions.
Implement data pipeline integrations and API endpoints that enable users to connect, transform, and visualise datasets from multiple sources.
Contribute to platform scalability and reliability through automated testing, performance optimisation, and infrastructure improvements.

Developed and deployed multiple dashboards (Business Development, HR, Finance, Project Management) for teams across Uganda, Rwanda, and Kenya using Next.js, Django, and SQL, reducing manual reporting time by 50–60%.
Developed and trained a machine learning model for Aflakiosk Laboratory to predict aflatoxin levels in grains (maize, sorghum, peas) from 200 samples, reducing reagent costs by 70%.
Built the AFLAKIOSK digital platform connecting farmers, traders, and processors with secure payments and analytics capabilities.
Designed and launched a data bank system with over 5,000 indicators, enabling analysts to visualise and extract secondary survey data, reducing report review time by over 60%.
Built and SEO-optimised the AFLAKIOSK and Vanguard Economics websites.
Provided IT support to 80+ staff across three countries, achieving a 95%+ on-time resolution rate for technical issues.
Supported the EdTech Mondays Midterm Review across six African countries for the Mastercard Foundation, conducting qualitative and quantitative research using R and Stata.
Designed and conducted a national survey engaging 2,000 farmers to analyse post-harvest challenges, compiling a comprehensive findings report for the client.

Developed and deployed multiple dashboards (Business Development, HR, Finance, Project Management) for teams across Uganda, Rwanda, and Kenya using Next.js, Django, and SQL, reducing manual reporting time by 50–60%.
Developed and trained a machine learning model for Aflakiosk Laboratory to predict aflatoxin levels in grains (maize, sorghum, peas) from 200 samples, reducing reagent costs by 70%.
Built the AFLAKIOSK digital platform connecting farmers, traders, and processors with secure payments and analytics capabilities.
Designed and launched a data bank system with over 5,000 indicators, enabling analysts to visualise and extract secondary survey data, reducing report review time by over 60%.
Built and SEO-optimized the AFLAKIOSK and Vanguard Economics websites.
Provided IT support to 80+ staff across three countries, achieving a 95%+ on-time resolution rate for technical issues.
Supported the EdTech Mondays Midterm Review across six African countries for the Mastercard Foundation, conducting qualitative and quantitative research using R and Stata.
Designed and conducted a national survey engaging 2,000 farmers to analyse post-harvest challenges, compiling a comprehensive findings report for the client.

Lead agile delivery of a national-scale Kinyarwanda IVR voicebot for MINAGRI and C4IR Rwanda, targeting improvement of farmer query resolution from 57.5% to 90%.
Coordinate five interdependent workstreams spanning CMS development (Strapi-based MINAGRI Knowledge Hub), content gap analysis, 24-hour audio production, field data collection across five provinces, and an M&E framework.
Manage cross-organisational collaboration between Vanguard Economics, AzulTech, MINAGRI, KiNLP, FAO, and GIZ to align technical delivery with institutional requirements.
Oversee the CMS architecture integrating a Retrieval-Augmented Generation (RAG) pipeline with vector database ingestion for AI-powered agricultural advisory delivery.
Facilitate sprint ceremonies, backlog refinement, and stakeholder reporting to ensure on-time delivery within a compressed 4-month timeline.

Taught web development (HTML, CSS, JavaScript, React, Django) to high school students across 15+ schools in 5 districts.
Designed and delivered a hands-on curriculum focused on building real-world web development skills.
Mentored students on live projects, encouraging collaboration and practical problem-solving.

Developed a logistics system with route optimisation and real-time delivery tracking, reducing cost of sales by over 30%.
Built integrated tools for order processing, batch management, and secure user authentication, improving operational efficiency.
Designed interactive dashboards for performance reporting and delivery insights, improving delivery timelines by up to 25%.

Developed a logistics system with route optimization and real-time delivery tracking, reducing cost of sales by over 30%.
Built integrated tools for order processing, batch management, and secure user authentication, improving operational efficiency.
Designed interactive dashboards for performance reporting and delivery insights, improving delivery timelines by up to 25%.

Built a mobile platform prototype for 14,837 village leaders to enhance community management and streamline data collection.
Developed a movie trailer app with 10,000+ titles and category filters.
Created authentication systems and RESTful APIs for dynamic content delivery.