Sigma Software Group

Front-End Developer (React/Next.js)

Sigma Software Group  •  Kyiv, UA (Onsite)  •  13 days ago
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Job Description

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.

  • 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

Qualifications

  • 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)

Additional Information

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
Sigma Software Group

About Sigma Software Group

Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 22 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs.

Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts.

Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters.

Industry
IT & Software
Company Size
1,001-5,000 employees
Headquarters
Stockholm, SE
Year Founded
2002
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