Nicolas Esteves is a seasoned technology leader and CTO at NALA, overseeing four engineering teams plus data, security, and infrastructure. He has grown the engineering team from 3 to 30 and expanded the product footprint across the UK, Europe, and the United States, building Rafiki to support 249 banks and 25 mobile money services in Africa. Backed by Y-Combinator, Accel, DST Global, and other fintech investors, the company has seen rapid revenue growth and profitability under his leadership. Prior to NALA, he built Osper, one of the UK’s early digital banks for kids, and held scaling and security-focused roles at Monzo and other fintechs, bringing deep payments and compliance expertise. An active open-source contributor, he has improved the Orca esoteric programming language frontend with features like MIDI beat clock syncing and clipboard enhancements, reflecting a practical, hands-on approach; he holds degrees in Applied Mathematics and Informatics from Université Joseph Fourier and is based in London.
14 years of coding experience
12 years of employment as a software developer
Bachelor of science, Applied Mathematics, Bachelor of science, Applied Mathematics at Université Joseph Fourier (Grenoble I)
Contributions:6 commits, 3 PRs, 3 comments in 17 days
Contributions summary:Nicolas primarily contributed to the front-end functionality of the Orca esoteric programming language, enhancing the user interface and interaction. They implemented MIDI beat clock syncing and refined the terminal application, adding a clock and keyboard shortcuts. They also improved the overall user experience by incorporating copy-pasting functionality using the clipboard, along with a fix for the application icon on Linux.
Contributions:37 commits, 2 PRs, 22 pushes in 5 months
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Nicolas Esteves - Chief Technology Officer at NALA