Freelance Software Engineer

Join a distributed team as a Freelance Software Engineer focused on building and launching user-facing features for a modern web application. You will collaborate closely with design and backend engineers, taking ownership of frontend architecture decisions and contributing to the evolution of a shared component library. This contract role offers real responsibility and the opportunity to make a significant impact on the product’s user experience. Deliverables Develop and maintain production-ready web applications using React, Next.js, and TypeScript Implement and optimize user-facing features with modern CSS and design system components Collaborate with backend engineers to integrate REST or GraphQL APIs Enhance web performance, accessibility, and cross-browser compatibility Contribute to the shared component library and frontend architecture decisions Write and maintain automated tests to ensure code quality and reliability Participate in code reviews and provide constructive feedback to peers Requirements 2–5 years of experience building production web applications with React, TypeScript, and modern CSS Proficiency with Next.js or similar frameworks for server-side rendering and routing Experience integrating REST or GraphQL APIs Familiarity with Node.js and MongoDB is preferred Strong understanding of web performance optimization and accessibility best practices Experience working with design systems and component libraries Ability to work independently, manage time effectively, and communicate clearly in writing Comfortable collaborating in a distributed, remote team environment About Twine Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally. Our Mission Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

Develop and maintain production-ready web applications using React, Next.js, and TypeScript. Collaborate with design and backend engineers to implement user-facing features and evolve a shared component library.

Requires 2-5 years of experience building production web applications with React, TypeScript, and modern CSS. Proficiency in Next.js and API integration is required, with Node.js and MongoDB preferred.

• Next.jsPreferred
• Node.jsPreferred
• Automated testingPreferred
• CSSPreferred
• ReactPreferred
• TypeScriptPreferred
• MongoDBPreferred
• GraphQLPreferred

Identified from the job description. Confirm important requirements above.

• React
• Next.js
• TypeScript
• CSS
• REST API
• GraphQL
• Node.js
• MongoDB
• Web Performance Optimization
• Accessibility
• Design Systems
• Component Libraries
• Automated Testing
• Frontend Architecture

• Software
• Technology
• Engineering

Minimum experience

2+ years

Posting language

English

Working hours

40 hours per week

Seniority

Associate