Nyiko Khosa
@nyikokhosa
Full Stack Software Engineer (.NET & Flutter) delivering secure fintech and high-performance integrations.
South AfricaWhat I'm looking for
I am a Full Stack Software Engineer with seven years' experience building high-stakes Fintech and logistics solutions, including serving as a founding engineer for the MoneyIt platform and driving its MVP to production. I specialize in .NET 8 backend systems, Flutter frontends, secure banking integrations, and mentoring junior engineers within Agile teams.
My work includes designing cross-channel biometric payment authorization, a Fixed-Width banking processing engine, resilient webhook integrations, and white-label Flutter UI libraries. I prioritize defensive architecture, test-driven development, and performance optimizations to ensure secure, reliable production systems.
Experience
Work history, roles, and key accomplishments
Full Stack Software Engineer
Renati Software Services
Apr 2023 - Present (2 years 11 months)
Founding engineer for the MoneyIt multi-tenant fintech platform, led MVP→production releases and implemented secure cross-channel authorization, biometric approvals, and fixed-width banking integrations to support live disbursements and reconciliations.
Strategic Contributor
Bauzer
Sep 2024 - Jan 2025 (4 months)
Contributed to a wholesale diesel distribution platform, building responsive UIs and extending .NET 4.8 APIs to support higher loads while implementing reporting and automated system tests to improve reliability.
Software Developer
Mastech (Pty) Ltd
Jun 2019 - Mar 2023 (3 years 9 months)
Developed hardware-integrated logistics software, migrated legacy VB systems to C# with zero downtime, implemented biometric and LPR integrations, and built reporting and tooling to support industrial clients.
Education
Degrees, certifications, and relevant coursework
University of South Africa
Bachelor of Science, Computer Science and Mathematics
Activities and societies: Provincial competitor in AMESA Mathematics Olympiads
Completed a Bachelor of Science focusing on Computer Science and Mathematics, graduating in 2018.
Tech stack
Software and tools used professionally
Availability
Location
South AfricaAuthorized to work in
Job categories
Skills
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