Front-End Developer (React/Next.js)

Middle Middle/Senior Senior Remote
Europe, Ukraine
Engineering, Software Development, JavaScript, React

Required skills

React / strong
Next.js / strong
JavaScript (ES6+) / strong
HTML/CSS / strong
Redux/Context API / good

Are you passionate about creating sleek, high-performance web applications? We are looking for a Middle Front End Developer with expertise in React and Next.js to join our team.

At Sigma Software, we build cutting-edge solutions for global customers, combining innovation with high-quality delivery. Joining us means working alongside talented professionals, contributing to impactful projects, and enhancing your skills in a supportive environment.

Why join us? You’ll work with modern technologies, enjoy flexible work arrangements, and be part of a company that values both professional growth and work-life balance.

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

WILL BE A PLUS:

  • Experience with TypeScript
  • Familiarity with testing frameworks (Jest, Playwright, etc.)
  • Knowledge of performance optimization techniques for frontend applications
  • Understanding of backend basics (Node.js is a plus)

Personal Profile

  • Proactive and detail-oriented approach to development
  • Passion for creating intuitive, user-friendly interfaces
  • Comfortable working in cross-functional teams
  • Ability to adapt quickly to new technologies and requirements

Responsibilities

  • 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

WHY US

  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

REF3997G

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