Ini Justine

– Reduced API latency by 40% by optimizing schema design, database indexing, query patterns, and distributed background processing with Celery and Redis. – Re-architected backend systems for SME e-commerce platforms, enabling real-time inventory synchronization, automated invoicing, secure payments, and more reliable order workflows. – Designed and maintained RESTful APIs supporting product catalogs, inventory management, accounting dashboards, checkout flows, and business reporting tools. – Integrated third-party payment, geolocation, and logistics APIs to expand platform capabilities and improve the customer and merchant experience. – Implemented caching strategies and asynchronous task processing to reduce response lag during peak traffic and improve backend availability. – Collaborated with frontend and product teams to convert business requirements into scalable backend features that helped business owners make faster data-driven decisions.

– Architected and built the foundational backend for a multi-vendor food delivery platform supporting vendor onboarding, checkout, vendor management, and order processing. – Designed normalized PostgreSQL schemas and relationship models for vendors, customers, menus, carts, orders, payments, and scalable user interactions. – Reduced the development cycle by 30% by translating product requirements into modular backend services and reusable application workflows. – Integrated Paystack payment processing and built checkout logic for secure transaction handling across vendor and customer flows. – Developed geolocation-based restaurant discovery using Google Places API and built dynamic cart interactions to improve ordering usability. – Implemented secure authentication and admin approval controls to strengthen vendor governance and platform security.

– Contributed to 12% key account growth by identifying business opportunities, delivering product demonstrations, and supporting customer solution discussions. – Translated customer requirements into technical specifications, helping support 10+ B2B deal closures and clearer implementation planning. – Designed an automated Excel tracking system that reduced manual reporting time by 50% and improved forecasting accuracy by 30%.

– Led a technical team responsible for maintaining on-premise infrastructure and achieved 99.9% uptime through proactive monitoring and troubleshooting. – Partnered with development teams to improve hardware/software integration, system stability, and issue resolution across operational environments. – Reduced operational expenditure through vendor evaluation, cost optimization, and more disciplined infrastructure maintenance processes. – Mentored junior technicians and improved troubleshooting efficiency by promoting documentation, escalation discipline, and proactive IT practices.

Certified Software Engineer

ALX Africa

Fundamentals of Digital Marketing

Google Career Certificates