Robert Mvula
Verified Expert in Engineering
SQL Developer
Lusaka, Zambia
Toptal member since June 29, 2026
Robert is a software engineer with over 10 years of experience building scalable applications for clients, including Korridor and John Snow, Inc. His primary expertise is in Flutter, .NET Core, and AWS for logistics, fintech, and enterprise domains, where he thrives in remote, cross-functional teams. He developed custom tools for national health and retail systems while at Korridor.
Portfolio
Experience
- SQL - 7 years
- Java - 5 years
- Python - 5 years
- C# - 5 years
- .NET - 5 years
- R - 3 years
- React Native - 3 years
- Flutter - 3 years
Work Experience
Senior Software Developer
Korridor Zambia
- Mentored and led peer code reviews to enforce high-quality implementation standards while actively developing and maintaining cross-platform solutions using Flutter, .NET Core, and MS SQL.
- Drove system optimization initiatives by identifying and refactoring code, enhancing existing software functionalities, and implementing resilient, scalable architectures leveraging AWS (Lambda).
- Served as a critical cross-functional liaison to translate complex requirements into robust technical solutions, leveraging CI/CD pipelines (Jenkins, Octopus Deploy), GitHub workflows, and integrated testing (Selenium).
Health Management Information System (HMIS) Officer
John Snow, Inc. (JSI) – USAID SAFE Project
- Developed automated tools to enhance SmartCare reporting efficiency.
- Developed metadata and interactive dashboards for key performance indicators.
- Addressed critical issues in health data analytics, including data imbalance and bias.
Health Informatics Lead
Maryland Global Initiatives Corporation – ZAMPHIA Project
- Designed and implemented end-to-end data pipelines.
- Engineered secure and scalable backend systems for clinical data handling.
- Designed and deployed secure, health data solutions on Microsoft Azure.
- Created real-time performance monitoring dashboards connected to Azure-based data sources to support clinical and executive reporting needs.
Computer Programmer
Akros Research
- Developed complex health indicators by transforming raw DHIS2 data elements, enabling analysis beyond the capabilities of the standard DHIS2 GUI.
- Extended existing HTML-based DHIS2 reports by integrating custom indicators, improving the utility of dashboards for monitoring key performance metrics.
- Leveraged GIS data to create insightful geospatial visualizations that supported spatial analysis and enhanced health-related decision-making.
IT Systems Administrator
Asphalt Roads Zambia Ltd.
- Designed and developed applications for the asset and inventory system.
- Created and managed content for the company’s web presence and web services.
- Maintained the company's server and network infrastructure.
Experience
POS Software for Retail & Auto Shops
To meet diverse client needs, it is a customized platform for auto shops, adapting modules to handle service orders, spare parts inventory, and customer records. Each deployment was tailored to the client’s workflow, ensuring usability, scalability, and alignment with industry‑specific requirements.
Education
Master's Degree in Data Science
University of East London - United Kingdom
Bachelor's Degree in Computer Science
University of The People - United States of America
Certifications
Flutter Development With Dart
Udemy
IT Project Management
Unicaf University
DHIS2 Events Fundamentals
DHIS2 Academy
MCSA
Microsoft Academy
Skills
Libraries/APIs
React, Node.js
Tools
Microsoft Excel, GitHub, Jira, Confluence, Slack, Git, Jenkins, GIS
Languages
SQL, HTML, Java, Python, R, C#, PHP, Dart, JavaScript, Excel VBA, CSS, TypeScript
Storage
MySQL, PostgreSQL, Databases
Frameworks
Flutter, React Native, .NET, Next.js
Paradigms
Agile Software Development, App Development
Platforms
Mobile, Web, Firebase, Visual Studio Code (VS Code)
Industry Expertise
Web Design
Other
DHIS2, District Health Information Software (DHIS), Full-stack, Data Management, Full-stack Development, Microsoft Azure, Data Analysis, Data Visualization, Machine Learning, Artificial Intelligence (AI), Software Development, Healthcare Software, Websites, Teams, APIs, Servers, Microsoft 365, Excel Macros, Large Language Models (LLMs), Cloud Computing, Cloud Infrastructure, User Interface (UI), Documentation, Web Development, API Integration, Back-end, Front-end, Octopus Deploy, IT Project Management, SaaS, Security
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