Francis Sunday
Full-Stack Engineer at Talstack
Lagos State, Nigeria
Summary
🤩
Rockstar🎓
Top SchoolFrancis Sunday is a Full-Stack Engineer with 11 years of experience building high‑impact fintech and developer tooling across Africa, currently shaping products at Talstack. He helped design core payment rails at NALA — including the Rafiki API and a real-time transaction monitoring dashboard — contributing to an EU-to-Nigeria remittance flow now processing tens of millions monthly. Comfortable across backend infrastructure, distributed systems and developer UX, he favors Go and Haskell and has architected double-entry accounting, settlement engines and resilient payout integrations. Francis combines hands‑on implementation with operational rigor—improving test coverage and CI/CD, reducing downtime, and shipping internal tooling that accelerates launches. Based in Lagos, he publishes technical essays at codehakase.com and mentors developers, blending practical fintech experience with an interest in functional programming and databases.
10 years of coding experience
8 years of employment as a software developer
Associate's degree, Computer Science, Associate's degree, Computer Science at University of the People
English
Stackoverflow
20reputation
323reached
2answers
1question
Github Skills (169)
cryptocurrency10
declarative10
javascript10
cors10
admin10
stellar10
nodejs10
bootstrap10
css10
horizon10
blockchain10
frontend10
react10
adminlte9
jwt9
Programming languages (11)
Github contributions (5)
codehakase/slack-logrus
May 2018 - May 2020
:memo::memo: An Intuitive Logrus Hook for Slack
Contributions:1 release, 13 commits, 1 PR in 2 years
slack-botintuitivelogrus-hookslacklogrus
PHDevsConnect/phdevsdir
Oct 2017 - Oct 2017
Contributions:1 release, 39 commits, 31 PRs in 18 days
reactbuilt-with-reactexpressjsjavascriptexpress
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