Kelvin Mansi
@kelvinmansi
Senior Frontend Engineer specializing in React, Vue, TypeScript, and real-time web systems.
NigeriaWhat I'm looking for
I am a Senior Frontend Engineer with 6+ years building scalable, high-performance web applications, specializing in React, Vue, TypeScript, and modern frontend architecture.
I've led frontend initiatives for real-time collaborative systems and offline-first platforms, delivering production-ready features like installable PWAs, resilient data sync pipelines, and custom editor schemas while improving load times by 40%.
I collaborate closely with designers and backend teams, contribute to CI/CD and architecture discussions, and focus on performance optimization, robust testing, and developer-friendly reusable modules.
Experience
Work history, roles, and key accomplishments
Frontend Engineer
Icaptchatek Limited
Nov 2021 - Aug 2023 (1 year 9 months)
Developed and maintained scalable React (Next.js) applications, implemented OAuth2 authentication flows, and contributed to CI/CD and architecture efforts to improve performance and stability.
Frontend Engineer
Ehealth4everyone
Jan 2021 - Dec 2021 (11 months)
Built data-driven Vue/Nuxt applications and analytics dashboards for the Federal Ministry of Health, collaborating cross-functionally and implementing Jest/Cypress automated tests.
Frontend Developer
4Afrika Academy
Jan 2019 - Mar 2019 (2 months)
Developed mobile and web applications using Ionic and Angular and led UI/UX design and frontend implementation for early-stage products.
Education
Degrees, certifications, and relevant coursework
United States International University Africa
Bachelor of Information Systems Technology, Information Systems Technology
2015 - 2019
Bachelor of Information Systems Technology completed at United States International University Africa from February 2015 to July 2019.
Availability
Location
NigeriaAuthorized to work in
Skills
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