Emmanuel Obi

VertoFx (YC 2019)Remote · London, UK

Senior Software Engineer - Product Growth

Led the design and implementation of an AI-powered onboarding flow, increasing user activation by 60% and reducing onboarding time from 2 weeks to 1 day. Executed efforts to transition from a monolithic architecture to a microservices-based system, enhancing scalability and performance by over 300%. Designed and built retention workflows including a real-time churn detection tool that triggered proactive interventions and recovered $2M+ in 48 hours. Collaborated with onboarding teams and compliance specialists to develop an optimized risk calculation algorithm, significantly improving efficiency in business risk determination by 45%.

RoadPreppers TechnologiesLagos, Nigeria

Founding Engineer

Owned product development lifecycle from 0 → 1, building features that supported 10x user growth during early-stage scaling. Led engineering on personalized onboarding systems that adapted user journeys based on goals and usage behavior. Optimized React codebase, reducing load times by 12% and enhancing overall application performance. Created reusable JavaScript code libraries, reducing development time by 50% and improving team efficiency. Collaborated with engineering team to develop a mobility algorithm that ensures accurate and up-to-date directions for over 100,000 concurrent users.

Atlens LimitedLagos, Nigeria

Software Engineer

Championed front-end best practices during code reviews, improving performance and maintainability across three Angular and React projects resulting in a 15%+ boost in load efficiency and faster feature delivery. Authored detailed architectural and functional specs to ensure clarity, alignment, and delivery standards across client projects helping teams ship high-quality, scalable features with fewer revisions. Built a full-featured CMS using TypeScript and React, seamlessly integrating with backend APIs, contributing to a 20% lift in customer acquisition and retention.