Front-End Developer (React/Next.js)

Sigma Software Group is a global IT consulting company that provides top-quality custom software development, graphic design, testing, and support services to a wide range of industries.

Sigma Software

Employee count: 1001-5000

Ukraine only

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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

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

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.

Apply now

Please let Sigma Software know you found this job on Himalayas. This helps us grow!

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About the job

Apply before

Jul 15, 2026

Posted on

May 16, 2026

Job type

Full Time

Experience level

Mid-level

Experience

3 years minimum

Location requirements

Ukraine

Hiring timezones

Ukraine +/- 0 hours

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About Sigma Software

Learn more about Sigma Software and their company culture.

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At the heart of Sigma Software Group lies a culture deeply rooted in Scandinavian values, emphasizing mutual respect, transparency, and a minimal hierarchy. This foundation fosters an environment where every voice is heard and valued, empowering our team of over 2000 IT experts to innovate and excel. Since our inception in 2002, our mission has been to build long-term, synergistic relationships not just with our clients, but with our employees as well. We believe that the key to delivering top-quality, value-adding IT services is a team that feels supported, inspired, and driven by a shared passion for finding better solutions. Our culture is one of perseverance, coupled with exceptional client management and strong engineering principles, which has been the cornerstone of our success and sustained growth on the global stage.

Our commitment extends beyond delivering cutting-edge software solutions. We are dedicated to nurturing the growth of the IT ecosystem through our educational platform, Sigma Software University, and fostering the next generation of tech innovators via our corporate venture fund, Sigma Software Labs. This holistic approach reflects our core belief in the power of collaboration and knowledge sharing. We actively encourage our specialists to pursue professional development, offering a continuous education program and a multitude of knowledge-sharing events. This dedication to growth, combined with a flexible work-life balance and a strong sense of community, defines who we are. We are more than just a technology partner; we are a collective of passionate individuals working together to create a better tomorrow, driven by a constant quest for innovation and a commitment to making a positive impact on the world.

Tech stack

Learn about the tools and technologies that Sigma Software uses to build, market, and sell its products.

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JavaScript

iOS

Protobuf

Blockchain

Google Cloud Platform

Docker

Sigma Software employees can create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at Sigma Software.

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Discount program

Access to a discount program.

Flexible schedule

Organize your work schedule in a way that suits you.

Remote or office work

You can choose to work from one of our outstanding offices or remotely.

Legal support

24/7 call center for legal advice and urgent lawyer assistance in case of an incident.

View Sigma Software's employee benefits

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Please let Sigma Software know you found this job on Himalayas. This helps us grow!

Apply now