Senior Frontend Engineer – Contractor

This is a fully remote position, open to applicants in Europe.

📋 Description

• Create pixel-perfect, responsive interfaces from Figma utilizing React, TypeScript, and Material UI.

• Take ownership of features from design handoff through to implementation, testing, deployment, and iteration.

• Develop complex, validated forms using React Hook Form.

• Ensure mobile-first and tablet-first user experiences for field workflows.

• Manage unit, integration, and end-to-end frontend testing.

• Promote frontend quality standards and best practices.

• Enhance bundle size, rendering performance, and Core Web Vitals.

• Extend and customize Material UI components with advanced CSS techniques.

• Collaborate with Product, Design, and Backend Engineering teams.

• Engage in code reviews and provide mentorship to junior engineers.

• Quickly deliver MVPs and iterate based on user feedback.

• Communicate effectively in an async-first environment using Slack, Notion, and Loom.

• Assist in defining component patterns and frontend architecture.

• Support the transition from JavaScript to TypeScript.

• Contribute to the design system and address technical debt.

• Review AI-generated code with a focus on architecture, UX decisions, edge cases, and quality.

⛳️ Requirements

• Minimum of 5 years of professional experience in building production-level React applications.

• Strong experience with TypeScript or readiness to fully adopt it.

• Extensive experience with Material UI version 5 or later.

• Expert knowledge of Redux Toolkit and RTK Query.

• Advanced CSS3 proficiency, including Flexbox, Grid, responsive design, and mobile-first principles.

• Experience in building complex forms with React Hook Form.

• Practical frontend testing experience with Jest, React Testing Library, Cypress, or Playwright.

• Ability to execute pixel-accurate Figma-to-code translations.

• Strong understanding of responsive and mobile-first user experiences.

• Experience with performance optimization, code splitting, lazy loading, and profiling.

• Familiarity with Agile or Scrum methodologies.

• Comfortable with pull request-based Git workflows and conducting code reviews.

• Familiarity with tools such as Slack, Figma, Vite, or Webpack.

• Strong written communication skills in English.

• Ability to work independently in a remote setting.

• Must reside in Eastern Europe.

• Must have consistent overlap with U.S. working hours, including at least four hours of daily availability during U.S. Eastern Time.

• Comfortable working as an independent contractor.

• Proficient in using AI-assisted development tools regularly, including Claude, Claude Code, Cursor, or GitHub Copilot.

• Must review and validate AI-generated code.

• Preferred experience with Firebase Authentication or Storage, mapping libraries, GraphQL or REST APIs, monorepos or micro-frontends, and B2B SaaS or field-service software.

🏝️ Benefits

• Flexible working hours.

• Opportunity to work with cutting-edge technologies.

• Collaborative and supportive team environment.

• Professional development and growth opportunities.

• Competitive salary and compensation package.