AVAILABLE FOR AMBITIOUS PRODUCTS

OBI I. JOHN / PORTFOLIO 2026

OBI I. JOHN

AI, Mobile, Backend, Full-stack software developer fueled by passion for people, learning and building.

Obi I. John
01 PORTFOLIO
01 / PROFILE

Product engineering from first principles to production.

Senior AI/backend/full-stack engineer with over a decade of experience and adept skills in web and mobile software development, database management, API building, AI guidance, and team leadership.

BASED INKaduna, NigeriaROLESenior Full-stack/AI EngineerFOCUSUseful, dependable software
02 / SELECTED WORK
03 / EXPERIENCE

Engineering leadership backed by delivery.

01

Fullstack Developer

Auri Hart Limited

  • Built NewEdoLine across backend APIs, frontend interfaces and mobile integration
  • Implemented backend services, data management and third-party integrations
  • Testing, debugging, deployment and production performance
02

Backend Developer

Wespay Global

  • Built and scaled the Banka mobile application backend
  • Secure payments, wallets and account operations
  • API contracts, authentication, debugging and optimisation
03

Backend / Fullstack Developer

LYT24 Technologies Limited

  • Server configuration and provisioning
  • Client-side, server-side and cloud backend architecture
  • Responsive database design and technical estimation
04

Lead Developer

Greysoft Technologies Limited

  • Led 5Minutes, Brime and CarbonCurb from concept to production
  • Directed backend, frontend and mobile delivery
  • Technical liaison, mentoring, standards and project planning
05

Lead Backend Developer

Greysoft Technologies Limited

  • Completed and stabilized Agrobays
  • Architected and built Rabitz backend systems
  • Coordinated backend delivery, quality and scalability
06

Backend Developer

Greysoft Technologies Limited

  • Early Agrobays backend architecture, APIs and database design
  • Built product validation services
  • Aligned data models and integration flows
07

Chief Technology Officer

Hoolicontech Enterprise

  • Company architecture, platforms, data configuration and security
  • Coordinated vendors, clients and internal teams
  • Enterprise technology blueprints
08

Lead Developer

Hoolicontech Enterprise

  • Modernized legacy codebases
  • Built APIs and functional web products
  • Led requirements through production release
04 / CAPABILITIES

A versatile engineering practice.

THE STACK
PHPLaravelNode.jsTypeScriptJavaScriptReactVueNestJSExpressCodeIgniterReact NativeFlutterQuasarIonicMySQLMariaDBPostgreSQLSQLiteAPI DesignMobile DevelopmentTeam Leadership
SENIOR AI ENGINEERING

I apply AI throughout product research, design, exploration and delivery, with human direction and production standards.

ResearchProduct explorationRapid prototypingCodingDebuggingAutomationContent workflows
EDUCATIONB.Sc. Electrical and Electronics Technology | University of Nigeria, Nsukka | September 2016
05 / CONTACT

Let’s build something useful, maybe together.

obiijohn@toneflix.net ↗