Sigma Software

Information Technology And Services

Front-EndDeveloper(React/Next.js)

Kyiv, Kyiv city, Ukraine FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for mid candidates.

The Brief

“Front-End Developer (React/Next. js) at Sigma Software. Skills: React, Next. js, JavaScript. Develop, maintain, and enhance frontend applications using React and Next. js. Write clean, scalable, and maintainable code following best practices”

What You'll Achieve.

deliver high-quality features; high-quality delivery

Industry & Context.

Information Technology And Services

What They're Looking For.

Must Have

3+ years of commercial experience in frontend development, 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. ), knowledge of HTML5 and CSS3, including responsive design principles, Upper-Intermediate level of spoken and written English

Nice to Have

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)

What You'll Do.

and enhance frontend applications using React and Next. js

and maintainable code following best practices

Optimize application performance and ensure responsive design across devices

How You'll Work.

Team & Collaboration

Collaborate closely with UI/UX designers, backend developers, and product managers to deliver high-quality features; Participate in code reviews and provide constructive feedback; Comfortable working in cross-functional teams

Communication Scope

Upper-Intermediate level of spoken and written English

Full 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 * Abil

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