Senior backend engineer with 11+ years building large-scale, event-driven backend services in production. Daily stack is C# / .NET on Microsoft Azure, delivering RESTful APIs, microservices, identity integration (Entra ID), and message-driven payment workflows. I architect and operate an in-house payment gateway aggregating 25+ commercial banks and 4 mobile-money networks for ~8 million members at Uganda’s national social-security fund. I own features end-to-end—from design and secure development to CI/CD, observability, and production support—while staying security-focused with CSSLP and (ISC)² certifications.

Chancemille Remo Likisenior

Senior backend engineer with 11+ years building large-scale, event-driven backend services in production. Daily stack is C# / .NET on Microsoft Azure, delivering RESTful APIs, microservices, identity integration (Entra ID), and message-driven payment workflows. I architect and operate an in-house payment gateway aggregating 25+ commercial banks and 4 mobile-money networks for ~8 million members at Uganda’s national social-security fund. I own features end-to-end—from design and secure development to CI/CD, observability, and production support—while staying security-focused with CSSLP and (ISC)² certifications.

Available to hire

Senior backend engineer with 11+ years building large-scale, event-driven backend services in production. Daily stack is C# / .NET on Microsoft Azure, delivering RESTful APIs, microservices, identity integration (Entra ID), and message-driven payment workflows.

I architect and operate an in-house payment gateway aggregating 25+ commercial banks and 4 mobile-money networks for ~8 million members at Uganda’s national social-security fund. I own features end-to-end—from design and secure development to CI/CD, observability, and production support—while staying security-focused with CSSLP and (ISC)² certifications.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
See more

Language

English
Fluent
French
Beginner

Work Experience

Backend Software Engineer at National Social Security Fund (NSSF)
January 1, 2018 - Present
Architect and operate NSSF’s in-house event-driven payment gateway aggregating 25+ commercial banks and 4 mobile-money networks for ~8 million members, supporting contribution and benefit transaction flows. Build and evolve integration layers connecting NSSF pension administration with enterprise systems using contract-first REST APIs and event-driven messaging. Own end-to-end backend delivery across .NET Core, ASP.NET MVC, PHP, and Oracle: design, implementation, automated testing, CI/CD on Azure DevOps, production observability, and operations. Deliver performance and data-integrity improvements, including multi-year estate consolidation with zero-data-loss go-live and high-volume biometric migration for ~8 million fingerprint records with regulator-aligned matching accuracy and zero downtime. Implement federated authentication/SSO with Microsoft Entra ID (OpenID Connect, OAuth 2.0, SAML) and build centralized logging with ELK and Splunk SIEM forwarding to reduce MTTR by ~40%.
Software Engineer I at Techno Brain Group
October 1, 2014 - December 31, 2017
Delivered end-to-end Microsoft Dynamics NAV ERP implementations for multiple clients, including process mapping, development, testing, deployment, and user training. Built bespoke backend web applications and APIs (ASP.NET MVC + SQL Server) such as a system supporting Uganda’s National Drug Authority (NDA). Implemented order/financial/warehousing/CRM modules, improving financial-reporting accuracy and stock management. Developed NAV extensions and integrations using C/AL, web services (SOAP), and XMLports; executed zero-data-loss data migration scripts. Developed and customized reporting (Crystal Reports and SSRS) and collaborated in cross-functional teams across client sites.

Education

M.Sc. Computer Science at Makerere University
January 11, 2030 - July 28, 2026
B.Sc. Information Technology at Nkumba University
January 1, 2011 - December 31, 2014
M.Sc. Computer Science at Makerere University
January 1, 0000 - January 1, 0000
B.Sc. Information Technology at Nkumba University
January 1, 2011 - January 1, 2014

Qualifications

Certified Secure Software Lifecycle Professional (CSSLP) — (ISC)²
January 11, 2030 - July 28, 2026
Certified in Cybersecurity (CC) — (ISC)²
January 11, 2030 - July 28, 2026
Certified Ethical Hacker (CEH) — EC-Council
January 1, 2019 - July 28, 2026
Offensive Security Web Expert (OSWE) — Offensive Security (in progress)
January 11, 2030 - July 28, 2026
Agile Project Management — APMG International
January 1, 2018 - July 28, 2026
Certified Secure Software Lifecycle Professional (CSSLP) — (ISC)²
January 1, 0000 - July 28, 2026
Certified in Cybersecurity (CC) — (ISC)²
January 1, 0000 - July 28, 2026
Certified Ethical Hacker (CEH) — EC-Council
January 1, 2019 - July 28, 2026
Offensive Security Web Expert (OSWE) — Offensive Security (In Progress)
January 11, 2030 - July 28, 2026
Agile Project Management — APMG International
January 1, 2018 - July 28, 2026

Industry Experience

Financial Services, Government, Software & Internet

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
See more