Lester Do - Frontend Technical Lead

Lester Do

4.9

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Lester Do

4.9

Age

Gender

Male

Language

English - Intermediate

Main expertise

React.js Front-end JavaScript TypeScript Next.js Redux Angular Ionic Node.js Vue.js

Introduction

Lester Do is a Senior Front-End ReactJS Developer, highly skilled with extensive experience in building complex and scalable web applications using ReactJS. He possesses a deep understanding of ReactJS concepts, best practices, and the ecosystem, enabling him to deliver efficient, user-friendly, and maintainable front-end solutions.

Project list

Naver Vietnam

2022 - 2022

Led the frontend team at Naver Vietnam, focusing on developing high-quality frontend solutions that ensured performance, scalability, and security.

Frontend Technical Lead of 12 Frontend Engineers. Be responsible for the development progress and quality of the frontend projects in charge. Analyze and design frontend architecture for projects to ensure performance and scalability. Perform technical problem solving, technical evaluations, and provide precise solutions for technical challenges. Write Unit Tests using Jest and React Testing Library, and write Automation Tests using Cypress for frontend projects. Create and maintain documentation on solution design and maintenance. Keep up with security standards for user privacy. Support and coach frontend team members. Improve team spirit and skillset to develop each team member. Hiring for frontend positions.

Technologies: Javascript, Typescript, ReactJS, React-Bus, Zustand, Webpack, Lerna, Jest, React Testing Library, Cypress

Morphotech

2021 - 2022

Frontend Technical Lead of 9 Frontend Engineers in a Vietnam branch of Morphotech UK company. Implement features as a key Senior Frontend Engineer on specific projects and serve as Frontend Technical Lead on various projects. Perform technical problem solving, analyze and design the architecture for each frontend project to ensure performance and scalability. Provide precise solutions and tackle technically challenging tasks in frontend projects. Write Unit Tests using Jest and React Testing Library, and create Automation Tests using Cypress for frontend projects. Support and coach frontend team members. Be responsible for the development progress and quality of the projects in charge. Handle hiring processes for frontend positions.

Technologies: Javascript, Typescript, ReactJS, Redux, Zustand, Webpack, Lerna, Jest, React Testing Library, Cypress

Urbanos

2020 - 2021

The Urbanos project focuses on developing a high-quality, scalable, and performant frontend web application.

Implement features as a Senior Frontend Engineer. Frontend Technical Lead of 3 Frontend Engineers. Be responsible for Frontend web application development, ensuring progress and quality of the product. Conduct code reviews and coach/train team members to improve the team's quality. Perform technical problem solving, analyze, and design the architecture for each frontend project to ensure performance and scalability. Write unit tests using Jest and React Testing Library.

Technologies: Javascript, Typescript, ReactJS, NextJS, Redux, Jest, React Testing Library

JobHopin

2018 - 2020

JobHopin is an advanced job search platform that bridges the gap between job seekers, companies, and recruiters.

Participate in requirements analysis and translate business logic into technical logic. Perform technical problem solving. Conduct code reviews and support/mentor two junior front-end developers. Use Webpack to bundle code, generate source maps, reduce build size, and perform build analysis. Design solutions, create common components, develop services, and define and integrate APIs. Act as a key developer in the project. Estimate development plans with the Vice President of Engineering.

Technologies: Javascript, ReactJS, Redux, Webpack

FPT Software

2016 - 2018

Contributed to software development by implementing features, writing reusable components, defining API schemas, and integrating APIs. Ensured code quality by writing unit tests.

- Implement features - Write common components - Define API Schemas - Integrate APIs - Write unit tests using Karma and Jasmine

Technologies: Javascript, Typescript, Angular 2+, Ionic 2, VueJS, ReactJS

Project list

Education

Expertise