Frontend developer

На данный момент Senior Software Engineer.

Мои компетенции и опыт

Ethan Lim

Singapore | нужен доступ к резюме | нужен доступ к резюме | нужен доступ к резюме

Summary

Experienced full-stack engineer with deep expertise in frontend development, delivering scalable, responsive, and high-performance web applications. Proven track record in React + TypeScript, Redux Toolkit, and UI component architecture, integrating seamlessly with REST APIs to support dynamic user interfaces. Skilled in improving UX and product stability while collaborating closely with designers and backend engineers. Successfully led projects serving tens of thousands of users with measurable performance improvements. Ready to contribute immediately to DevHelper’s platform and enhance the interview preparation experience for developers.

Experience

Rescode | Senior Software Engineer May 2022 ~ Present

• Led frontend architecture for real-time dashboards in React + TypeScript, improving page load speed 42% for 50k+ daily users.
• Developed reusable UI components and integrated APIs via REST and gRPC, increasing development efficiency 35%.
• Implemented Redux Toolkit state management, reducing bugs 28% and improving application stability.
• Collaborated closely with designers to improve UX, leading to a 22% increase in user task completion rates.
• Participated in code reviews and architecture discussions, ensuring scalable and maintainable frontend solutions.
• Designed adaptive interfaces compatible across desktop and mobile, improving accessibility compliance.
• Optimized component rendering and bundle size, reducing client-side latency by 30%.
• Mentored junior engineers in TypeScript best practices, reducing onboarding time 25%.
• Implemented automated testing pipelines, achieving 90% code coverage across critical modules.
• Integrated real-time notifications and data streams for high-frequency events.
• Conducted performance profiling, improving interaction latency by 38%.
• Ensured responsive layout with Tailwind CSS and Material UI components.
• Coordinated frontend-backend integration across multiple services.
• Managed Git repositories, implementing structured branching workflows to improve team collaboration.
• Participated in cross-functional design sprints, accelerating feature delivery by 20%.
• Documented frontend architecture and code standards for long-term maintainability.

Doodle Labs | Senior Full Stack Engineer Apr 2019 ~ Apr 2022

• Built interactive frontend interfaces with React and TypeScript for SaaS products serving 100k+ users.
• Developed Redux Toolkit + RTK Query integration with backend APIs, improving data retrieval efficiency 40%.
• Designed reusable components and layouts, enhancing UX consistency and developer productivity.
• Conducted unit and integration testing for frontend modules, improving release quality.
• Collaborated with backend engineers on API design, enabling faster iteration cycles.
• Implemented CI/CD workflows via Git and Vercel for rapid deployment.
• Mentored junior developers on React best practices and debugging strategies.
• Improved localization support using React-Intl and i18next for multi-language deployments.
• Optimized frontend performance, reducing initial render time 35%.
• Assisted in architecture discussions, contributing to scalable frontend infrastructure.
• Built responsive interfaces compatible with multiple device sizes and browsers.
• Participated in code reviews, improving code maintainability by 30%.
• Worked with designers to iterate UX solutions based on analytics and user feedback.

Wise | Full Stack Engineer May 2015 ~ Feb 2019

• Developed internal and customer-facing web applications in React, нужен доступ к резюме , and Python.
• Integrated frontend with REST APIs, ensuring secure and performant data transactions.
• Built modular, reusable UI components and dashboards, improving productivity 25%.
• Collaborated with cross-functional teams to deliver projects on schedule.
• Implemented unit testing and frontend automation pipelines.
• Optimized rendering performance and reduced memory consumption for complex data tables.
• Participated in architecture discussions and code reviews for frontend and full-stack solutions.
• Developed adaptive UI elements to improve usability across devices.
• Mentored junior engineers and conducted knowledge-sharing sessions.
• Integrated analytics tools to monitor frontend performance and user interactions.
• Enhanced error handling and logging for critical frontend modules.

Education

National University of Singapore Aug 2009 ~ Jul 2013

Bachelor’s Degree in Computer Science

Skills

• Programming Languages & Frameworks: JavaScript, TypeScript, React, Redux Toolkit, RTK Query, нужен доступ к резюме , HTML, CSS
• Frontend Engineering: Responsive design, adaptive interfaces, UI component libraries, Material UI, Tailwind CSS
• Backend / API Development: REST API integration, client-server interaction, WebSockets
• DevOps / Infrastructure / CI-CD: Git, Vercel, Supabase, automated deployments
• Testing / QA / Automation: Unit testing, integration testing, end-to-end test coverage
• Collaboration / Agile / Product Tools: Jira, Confluence, Slack, Code reviews, Architecture discussions
• Localization / Internationalization: React-Intl, i18next
• AI / Emerging Tools: Integrating AI-assisted workflows for smarter UI/UX feedback