React Frontend Developer - Freelancer (Part-time)

Lingaro Group Philippines; Manila; On-site; PHP 700,000 - 1,200,000; Full time

Job summary

Lingaro Group Philippines is seeking an experienced Front-end Engineer to design, build and maintain efficient, reusable code for React/Next.js-based applications. You will ensure performance, quality, and responsiveness while collaborating with cross-functional teams in an agile environment.

With 5+ years of professional experience, you’ll own complex UI features, optimize REST/JSON data flows, and contribute to cloud-based services in Google Cloud Platform.

Qualifications

• 5+ years of professional frontend experience.
• Strong knowledge of JavaScript and TypeScript.
• Proficient in React/Next.js and modern workflows.
• Experience with REST APIs, JSON, and web performance.
• Experience with cloud environments (GCP preferred).
• English proficiency at B2+.

Responsibilities

• Design, build and maintain efficient, reusable, and reliable code.
• Build React/Next.js based applications.
• Ensure performance, quality, and responsiveness of applications.
• Identify bottlenecks and bugs, and devise solutions.
• Collaborate with BA, QA, developers, and offshore teams.
• Share knowledge with the team during workshops.

Skills

JavaScript

TypeScript

React

Next.js

Web performance

REST & JSON

GCP

AI-assisted tooling

English communication

Tools

Docker

GraphQL

GitHub Copilot

Job description

Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We're committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics.

Tasks:

• Design, build and maintain efficient, reusable and reliable code.
• Build React/Next.js based applications.
• Ensure the best possible performance, quality, and responsiveness of applications.
• Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
• Help maintain code quality.
• Participate in the agile team scrums and effectively communicate to the team the status, roadblocks, and timelines for the task at hand.
• Must be able to collaborate with BA, QA, developers and offshore developers to plan, design, develop, test, and maintain mobile web and desktop-based applications requested by the stakeholders.
• Share knowledge with the team during workshops.

What We're Looking For:

• 5+ years of professional experience.
• Excellent communication skills.
• Great ownership of assigned tasks. Self-driven and proactive approach.
• Strong experience in JavaScript and TypeScript.
• Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) workflows, Web performance and security.
• Developing and maintaining modern distributed micro services.
• Development in Cloud environments (Google Cloud Platform preferred).
• Building, testing, and troubleshooting high volume web services using API Protocols and Data Formats (REST & JSON).
• Solid foundation in data structures, algorithms and its implementation in JS.
• Expertise with semantic HTML.
• Proficiency in CSS, including Tailwind, Styled Components, CSS Modules, and SASS.
• Expertise browser-based debugging tools.
• Experience with responsive and adaptive design.
• experience with Testing (Unit Testing, react-testing-library, E2E).
• Keen understanding of web application development process and standard methodologies.
• Experience using AI-assisted development tools to improve productivity and code quality, such as Claude, GitHub Copilot, and similar tools.
• Ability to apply AI tools effectively for coding, debugging, testing, refactoring, and documentation while maintaining high standards of code quality, security, and best practices.
• English (B2+).

What Will Set You Apart:

• Previous experience in Front-end development with Docker.
• Experience with Headless CMS (preferably Contentful).
• Experience with NodeJS.
• Knowledge of GraphQL.

Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow.