Ercüment Laçın is an Expert Frontend Developer based in Istanbul with around six years of hands-on experience building and modernizing complex web applications using React, TypeScript, Redux/RTK Query, and Node.js. He has led large migrations (Lit-element to React) and raised test coverage to 80%, demonstrating a strong focus on reliability, performance (up to ~40% faster navigation via API caching) and observability. Comfortable across the frontend toolchain (Vite, Webpack, EsBuild) and testing stacks (Jest, Cypress, RTL, MSW), he also brings backend fluency with Express and MongoDB to bridge API and UI concerns. Ercüment routinely architects scalable folder structures, reusable component libraries, and role-based auth for enterprise backoffice systems, while coordinating multiple squads and stakeholders. His background in mathematics and prior teaching/mentoring roles informs a systematic, pedagogical approach to code quality and team enablement. Notably, he’s the go-to frontend expert when modernizing legacy codebases, combining pragmatic engineering with measurable product improvements.
5 years of coding experience
3 years of employment as a software developer
Lisans Derecesi Matematik, Lisans Derecesi Matematik at Namık Kemal University
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Contributions:469 commits, 3 PRs, 34 pushes in 1 year 1 month
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Ercüment Laçın - Expert Frontend Developer at HangiKredi