About
Highly accomplished Full-Stack Engineer with 5+ years of experience, specializing in architecting high-performance, scalable web applications using React, TypeScript, and Next.js. Proven ability to translate complex business needs into elegant user interfaces, significantly improving platform conversion rates by 21% and reducing API response times by 60%. Expert in driving developer velocity through robust CI/CD pipelines, eliminating 8 hours/week of manual deployments and securing 100% client retention.
Work
Ibadan, Oyo State, Nigeria
→
Full-time
Summary
As a Senior Full-Stack Engineer at Inawo, Chukwuka led the development of a B2C wedding planning platform, significantly boosting user engagement and processing over $500K in contributions.
Highlights
Launched 'Live Hall' real-time streaming platform with a Stripe cash-gifting feature, processing over $500K in guest contributions and achieving 40% adoption among premium users.
Developed a dynamic WYSIWYG theme engine from the ground up, increasing user-generated site creation by 300% and boosting average user session duration by 25%.
Re-architected data-intensive RSVP system for high concurrency, ensuring 99.99% uptime during peak traffic and reducing API response times by 60%.
Instituted the first formal CI/CD pipeline and automated testing suite, eliminating 8 hours/week of manual deployments and cutting production hotfixes by 50%.
Lagos, Lagos State, Nigeria
→
Full-time
Summary
As a Full-Stack Engineer at Selar, Chukwuka developed and optimized a creator economy platform, driving substantial earnings for a large creator base.
Highlights
Architected a drag-and-drop page builder, directly increasing platform conversion rates by 21%.
Led a platform-wide performance initiative, reducing Time to Interactive (TTI) by 44% and decreasing user bounce rate by 15%.
Engineered scalable Role-Based Access Control (RBAC) architecture, enabling a new storefront theming engine with 40% creator adoption within 3 months.
Mentored 5 engineers, boosting team deployment velocity by 25% and slashing production bugs by 40%.
Lagos, Lagos State, Nigeria
→
Full-time
Summary
As a Full-Stack Engineer at Callybase AI (formerly Uselumen), Chukwuka engineered core systems for a B2B AI platform, securing initial 5-figure ARR contracts and ensuring 100% client retention.
Highlights
Architected the foundational multi-channel communication engine (Voice, SMS), instrumental in securing the company's first 5-figure Annual Recurring Revenue (ARR) contracts.
Engineered an automated CRM connector, resolving a key sales blocker and onboarding 100% of initial paying customers.
Built the first testing framework from scratch, achieving zero critical incidents and securing 100% client retention.
Skills
Frontend
React, Vue.js, Angular, JavaScript (ES6+), TypeScript, HTML5, CSS3, Sass, Redux, Webpack.
Backend
Node.js, Express.js, REST APIs, Server-Side Rendering (SSR).
Databases
PostgreSQL, MongoDB, Redis, MySQL, Database Optimization.