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jayjaycrown

Jonathan S

@jayjaycrown

Senior FullStack Software Engineer

Nigeria
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
I am a Senior Full-Stack Software Engineer with over 8 years of experience designing scalable fintech, SaaS, and Web3 applications. I specialize in leading engineering teams and architecting secure backend systems using Angular, React, Laravel, and Node.js to support over 100,000 users with high uptime.... Continua a leggere

Competenze

j
jayjaycrown
Jonathan S
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

Correzione di bug
I will fix frontend bugs, responsive issues, and UI problems
A partire da25 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Freelance

Freelance Software Engineer

Freelance • Freelance

Dec 2014 - Present • 11 yrs 10 mos

Architected and developed a digital services platform supporting airtime, data, electricity, cable TV, betting wallet funding, and airtime-to-cash conversion. Built scalable frontend applications using Angular and backend services with Laravel and Node.js. Designed and implemented enterprise REST APIs powering internal systems and third-party integrations through the Nurenta Public API. Developed a multi-tenant white-label reseller platform with branded portals, configurable pricing, unlimited sub-agents, and automated commission management. Built an automated referral platform rewarding users with ₦500–₦5,000 per successful referral. Designed a comprehensive admin platform supporting user management, providers, KYC, discounts, products, notifications, and transaction monitoring. Built executive analytics dashboards for monitoring customer growth, transaction volume, sales, wallet balances, and product performance. Led engineers through architecture, implementation, code reviews, testing, deployment, and continuous platform improvement. Designed and delivered software solutions across transportation, education, and entertainment industries. Key projects included PickMeUp Ride (a ride-hailing platform), EduManager (a comprehensive school management system), and OBA ORIN (a cross-platform music streaming application built with Ionic Angular for Android and iOS).