Udochukwu Ogbulafor

Senior Back-End Engineer at Solid Fiction

Architected and launched backend infrastructure for Nuvoro, a real-time production scheduling platform, using NestJS and clean architecture. Engineered caching mechanisms and background job processing to maintain stable API performance under heavy load. Optimized database queries to improve data retrieval efficiency and overall system responsiveness.

Senior Backend Engineer at Solid Fiction

Architected backend infrastructure for Nuvoro, a real-time production scheduling platform, using NestJS and clean architecture; introduced caching and background jobs, and optimized queries to maintain API performance under heavy load.

Founder & Sole Engineer at ClauseNova

Architected and developed an end-to-end multi-tenant AI contract intelligence SaaS using NestJS for backend and React/Next.js for frontend. Implemented core enterprise features including RBAC, audit trails, and automated approval workflows to ensure data security and compliance. Owned the full product lifecycle, launched the platform, and achieved approximately 15,791 pageviews within the first 5 weeks after deployment.

Senior Backend Engineer at Kargoleplex

Optimized MongoDB schemas and rebuilt indexes to streamline data structures and improve database performance. Implemented Redis caching layers to reduce direct database processing and speed up data delivery. Reduced peak API response times by about 40% through comprehensive backend performance optimizations.

Senior Backend Engineer at Kargoplex

Redesigned MongoDB schemas and indexes, implemented Redis caching layers to reduce database load; achieved 40% reduction in peak API response times through backend optimizations.

Backend Engineer at Paywise Africa

Led migration of core payment middleware from Flutterwave to Anchor; ensured continuous financial operations by routing and managing transaction flows in the new ecosystem; optimized financial API performance, reducing transaction latency by 25%.

IT Support Engineer & Software Tester at OFI Nigeria (Ministry of Finance Incorporated)

Streamlined user access management and organizational security by administering Active Directory group policies and user permissions organization-wide. Fortified enterprise network defenses by deploying and managing Sophos Antivirus for continuous threat monitoring, incident response, and update deployment. Enhanced facility security and workforce tracking by operating the HikCentral system for staff access control and time and attendance management across all office premises. Improved enterprise system reliability for core platforms (National Asset Register, EDM, and Funnel) by conducting rigorous manual QA testing and collaborating with developers on defect resolution.

IT Support Engineer & Software Tester at MOFI Nigeria (Ministry of Finance Incorporated)

Administered Active Directory group policies and user permissions; deployed Sophos Antivirus for threat monitoring and incident response; operated HikCentral for staff access control and time & attendance; performed manual QA testing on EDM, National Asset Register, and Funnel, collaborating with developers on defect resolution.

Senior Backend Engineer at Vasco Solutions

Modernized legacy system architecture by successfully decomposing a monolithic application into highly scalable and maintainable microservices. Engineered a robust integration with the Remita payment gateway, incorporating comprehensive automated reconciliation processes and complete audit trails for financial compliance. Decreased system payment incidents by 35% by implementing advanced fault-tolerance mechanisms, including circuit breakers, retry logic, and rate limiting.