Toptal is an exclusive network of the top freelance software developers, designers, finance experts, marketing experts, product managers, and project managers in the world. We offer freelance opportunities strictly on an independent contractor basis. This means we cannot support C2C (Corp-to-Corp), C2H (Contract-to-Hire), or engagements through third-party employers.

Our Client is a global media and technology company that connects people to their passions. One of their teams currently builds products for the Mail platform on Android, iOS, and Web, and is looking for engineers with experience building large-scale front-end web applications.

The project focuses on modernizing their Mail platform to improve user satisfaction and bring the experience closer to the standards set by leading competitors. The team oversees the development and maintenance of the webmail, mobile web, and classic web versions of the product.

Responsibilities

• Provide technical leadership in a fast-paced environment
• Enforce best practices: design reviews, code reviews, CI/CD, TDD
• Develop high-quality, high-performance features using Node.js/React.js
• Collaborate with designers, product managers, and engineers
• Write testable, reliable code and deploy continuously
• Optimize application performance and scalability

• Operate and monitor global-scale production systems
  
  

• At least 7 years of experience in React, Redux, Node.js, and responsive design
• Strong CS fundamentals: data structures, algorithms, software design
• Proficiency in AJAX, HTML5, CSS3, TypeScript, and modern JavaScript
• Experience with Web Technologies (Node, HTTP, JSON, Webpack, Babel)
• TDD experience with Jest, WebdriverIO, Enzyme, Protractor, React Testing Library

This is a contract-based opportunity with an expected duration of 6 to 12 months. The role is fully remote, with some overlap required with the PST time zone. While the client’s preference is for a full-time (40 hrs/week) commitment, they’re also open to part-time candidates who could gradually transition to full-time.