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Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Front-End Developer, React, Next.js

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Ukraine

Posted

61 days ago

Salary

0

Seniority

Senior

Job Description

Front-End Developer, React, Next.js

Sigma Software Group

• Develop, maintain, and enhance frontend applications using React and Next.js • Collaborate closely with UI/UX designers, backend developers, and product managers to deliver high-quality features • Write clean, scalable, and maintainable code following best practices • Participate in code reviews and provide constructive feedback • Optimize application performance and ensure responsive design across devices • Contribute to the continuous improvement of development processes and tools

Job Requirements

  • 3+ years of commercial experience in frontend development
  • Strong proficiency in JavaScript (ES6+)
  • Solid hands-on experience with React and Next.js
  • Experience integrating REST APIs into frontend applications
  • Understanding of state management libraries (Redux, Context API, etc.)
  • Strong knowledge of HTML5 and CSS3, including responsive design principles
  • Upper-Intermediate level of spoken and written English
  • Experience with TypeScript will be a plus
  • Familiarity with testing frameworks (Jest, Playwright, etc.)
  • Knowledge of performance optimization techniques for frontend applications
  • Understanding of backend basics (Node.js is a plus)

Benefits

  • Flexible work arrangements
  • Professional growth opportunities

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