Ephraim O. Oladepo

PWA Frontend Engineer at OmniRetail

Delivered responsive, high-performance front-end interfaces for the Distribution Management Service platform using React.js and TypeScript; collaborated with backend and product teams to integrate APIs for real-time data synchronization; optimized frontend performance (lazy loading, caching, code splitting) reducing average page load times by 40%; implemented reusable UI component libraries; partnered with design and QA to ensure cross-browser compatibility and accessibility, achieving 95%+ positive feedback scores.

Senior Software Engineer at Logidoo Inc

Built and launched a centralized CRM platform across 5+ countries improving operational efficiency by 40%; increased marketing campaign ROI by 30% via automated workflows and Meta Ads integrations; Reduced release cycles by 50% through Azure CI/CD automation and containerized deployments; improved data accessibility and scalability by architecting with Next.js, Nest.js, GraphQL, and PostgreSQL.

Lead Software Engineer at Ecomoto LLC

Built a decentralized web application with React.js and TypeScript; architected multiple backend services with Nest.js, leveraging GraphQL for queries and tRPC for communication, using a microservice architecture and test-driven development (TDD) with an average response time of 2.1 seconds; built Solidity smart contracts and protocols with on-chain/off-chain data providers to facilitate decentralized transactions; integrated IPFS; built a wallet provider system with 100% compatibility across internal and external services; implemented outbox architectural patterns and provider-switching logic to auto-recover from failures; designed a low-level architectural diagram for rebuilding a decentralized identifier service and optimized the system for scalability by removing data redundancy.

Lead Full Stack Engineer at Incub Exchange

Led end-to-end development of a decentralized crypto-to-fiat payment processor for B2B and B2C transactions; built a decentralized system using smart contracts for real-time price conversion, leveraging Oracle services for price data and an event-based architecture; achieved a 96% success rate on first usability test; developed a full-scale management application for transaction monitoring and issue logging with automated sorting and triage.

Full Stack Engineer at 3MET AD

Implemented frontend updates based on integrated analysis and speed tests, resulting in a 37% increase in user retention and a 48% decrease in bounce rate within 30 days; drafted database schema and high-level system architecture; integrated decentralized identity systems (DID, OAuth) improving user privacy and security by 50%; supervised technical support and conducted spot-checks with 200+ community members to gather market intelligence.