

Craftsmanship first. No shortcuts.
Founded by Sherifdeen Adeleke, Gran Jefe is an independent digital product and creative engineering studio. We combine world-class visual aesthetics with high-integrity software engineering, building websites, web applications, and mobile products that convert visitors into revenue.
Our founder’s background includes engineering sovereign financial infrastructure as Full-Stack Engineer at Mabilla Group, architecting digital consular payment systems for the Nigeria High Commission United Kingdom, UK Open Banking payment engines for Celergate, and cross-border remittance platforms with biometric verification.
Today, Gran Jefe is a registered business in Nigeria, working remotely with founders, brands and companies wherever they are, who want products that are fast, polished, and built to last.