Franklin Oguejiofor

Architected and owned critical backend systems for two production platforms processing 50,000+ invoices/month with a 99.7% delivery success rate. Delivered a React/TypeScript admin dashboard with real-time monitoring and improved reliability and release velocity by reducing release cycles from 2 weeks to 2 days.

Built a 5-phase workflow conversion engine translating 150+ n8n workflows to native Goalmatic steps across 15+ node types, saving users an average of 12 hours per migration. Implemented credential migration with AES-256 encryption and sandbox verification using Firebase Cloud Functions with support for 100+ concurrent conversions.

Architected the E-Tax platform backend with Django/DRF, delivering 40+ API endpoints and a tax calculation engine for multiple Nigerian tax types. Achieved 99.9% uptime during peak filing by deploying a multi-AZ AWS ECS setup and improved UX with Next.js tax filing wizards (LCP under 1.2s).

Designed and implemented a NestJS monorepo with 7 micro-applications orchestrated via RabbitMQ for async RPC and event-driven workflows. Built ERP/EDI integrations supporting X12 formats, improved onboarding performance (55% smaller bundles), and implemented JWT auth with 5-level RBAC using Prisma over PostgreSQL.

Founded and built an escrow-based fintech platform processing ₦15M+ transaction volume across 250+ mediated contracts before regulatory closure. Delivered a 9-state escrow engine with Flutterwave webhook confirmation and achieved a 98% dispute resolution rate within 24 hours.

Delivered 10+ freelance projects with a 100% on-time delivery record, improving Lighthouse scores from ~55 to 90+ through lazy loading, code splitting, and critical CSS. Built e-commerce and restaurant ordering experiences using Stripe SCA-compliant checkout and Google Maps delivery zone visualization, plus Express.js API integrations.

Earned a B.Eng. in Electronics & Computer Engineering from the University of Nigeria, Nsukka.