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Commergence

Front End Engineer

Commergence
United States · Contract · Mid-Senior
Job Title: Senior Front end Developer

Location: Seattle, WA

Duration: 12+ Months

Job Description

  •   Design and develop enterprise-grade frontend applications using React and Next.js
  •   Own frontend architecture, component design, and performance optimization
  •   Implement responsive, accessible, and cross-browser compatible user interfaces
  •   Integrate with backend APIs and manage asynchronous data flows
  •   Apply state management patterns and frontend best practices
  •   Ensure code quality, test coverage, and maintainability
  •   Lead feature or module delivery end-to-end with minimal supervision
  •   Collaborate closely with product, design, and backend engineering teams
  •   Participate in code reviews, technical discussions, and solution design

Required Qualifications

  •   8+ years of frontend / software engineering experience
  •   Expert proficiency in React.js with strong hands-on experience in Next.js
  •   Strong command of JavaScript (ES6+), TypeScript, and JSX
  •   Deep understanding of HTML5, CSS3, responsive design, and browser behavior
  •   Experience with state management libraries (Redux, Context API, or similar)
  •   Strong understanding of performance optimization and web vitals
  •   Experience writing unit and component tests (Jest, React Testing Library)
  •   Proficiency with build tools and package managers (Webpack, Vite, npm/yarn)
  •   Strong experience with Git and collaborative development workflows
  •   Excellent communication skills and ability to work cross-functionally.

Skills: frontend,javascript frameworks,graphql,nextjs,typescript,node,reactjs

Key Skills

Ranked by relevance

responsive react responsive design product design javascript typescript webpack reactjs html5 git
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United States

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Posted
Feb 12, 2026
Type
Contract
Level
Mid-Senior
Location
Seattle
Company
Commergence

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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