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Evan Igwilo, Software Engineer
Evan Igwilo
Created AtUpstaffer since December, 2025

Evan Igwilo — Software Engineer

Expertise in Front-End Web (5.0 yr.), React Developer (5.0 yr.).

Last verified on December, 2025

Core Skills

Bio Summary

Software Engineer with over 5 years of experience in front-end development, demonstrating strong expertise in JavaScript (ES6+), TypeScript, React.js, Node.js, and modern tooling. Proven record of architecting high-performance web applications, with substantial improvements such as 40% faster runtime execution and 30% smaller bundle sizes. Proficient in performance optimization techniques like code splitting, lazy loading, and efficient cache strategies. Well-versed in both REST and GraphQL, with hands-on experience in integrating APIs for building interactive and scalable solutions. Maintains code quality through rigorous TDD practices, and leverages a solid foundation in Computer Science (BSc, Upper Second-Class Honors) for solving complex engineering challenges. Recognized for leadership and mentoring in technical environments, with a knack for fostering improvements in cross-functional team performance.

Technical Skills

Programming LanguagesJavaScript, TypeScript
UI Frameworks, Libraries, and BrowsersCSS3, HTML5
JavaScript FrameworksReact
JavaScript Libraries and ToolsReact Query, RTK-query
Databases & Management Systems / ORMData Lake
Amazon Web ServicesAWS Security Groups
SDK / API and IntegrationsAPI, GraphQL
Deployment, CI/CD & AdministrationAxios
Soft SkillsLeadership, Mentor Aptitude
Methodologies, Paradigms and PatternsREST, SSR, TDD
QA, Test Automation, SecurityUsability tests
Mail / Network Protocols / Data transferWebRTC
Other Technical SkillsCaching, Load, No code, Optimism, Teamwork

Work Experience

Senior Frontend/JavaScript Engineer, AI-driven Learning and Research Tools

Duration: May 2023 – Present
Summary: Architected and optimized browser-side JavaScript for AI-driven learning and research tools.
Responsibilities: Optimizing rendering paths, asset loading, data hydration, deploying and maintaining services, mentoring junior engineers.
Technologies: Next.js, Cloud Run
Frontend Engineer (Performance & SDK Focus), Frontend Performance Improvement and A/B Testing

Duration: Jun 2022 – May 2023
Summary: Re-engineered frontend components to improve performance and set up A/B testing pipelines.
Responsibilities: Improving event-loop efficiency, implementing lazy loading and dynamic imports, reducing initial load times, setting up A/B testing, conducting code reviews.
Technologies: Dynamic Imports, A/B Testing
Frontend Engineer / JavaScript Specialist, Advanced Browser Features and Page Development

Duration: Jan 2020 – Jun 2022
Summary: Built advanced browser features to improve website responsiveness and developed over 100 interactive pages.
Responsibilities: Developing SSR features, DOM virtualization, caching, debouncing, pagination, practicing TDD, consuming REST & GraphQL APIs, translating UI/UX into frontend code.
Technologies: SSR, Jest, REST, GraphQL
Software Engineer Intern, Telecom Operations Internal Tooling

Duration: Jun 2018 – Aug 2018
Summary: Implemented REST APIs and assisted with responsive UI implementations for telecom operations.
Responsibilities: REST API development, responsive UI implementations, contributing to internal tools.
Technologies: REST APIs, Internal Tooling
Education

  • BSc. Computer Science
    Upper Second-Class Honors
    2015 – 2019

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Evan Igwilo, Software Engineer
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