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Sigma Software

Middle/Senior Frontend Developer (React + TypeScript)

Sigma Software Warsaw, Masovian Voivodeship, Poland

Software Development · 1,001-5,000 employees

18 h ago
typescript Mid (2-5 yrs) Full-time Poland
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About the role

Develop and maintain responsive web applications using React and TypeScript while collaborating with designers and back-end developers. Participate in code reviews, sprint planning, and contribute to continuous improvements in performance and code quality.

What they look for

React TypeScript JavaScript GraphQL Material UI GitHub Version Control Responsive Web Design UI Components Code Review Sprint Planning

Requirements

Requires at least 3 years of experience as a front-end developer with hands-on knowledge of JavaScript, TypeScript, and React. Candidates must also have experience with GraphQL, Material UI, and version control systems, along with an upper-intermediate level of English.

Full description

Company Description

We are looking for a Middle/Senior Front-end Developer to join our team and help us develop the best solutions for our clients.

Working as a Front-end Developer on this project requires a mindset where we plan, build, and deliver together as a team. As a group, we take shared responsibility for delivery, including speed, efficiency, and quality. We also take full responsibility for the operational condition of what we deliver.

As an individual, you’re expected to take ownership, drive initiatives forward, suggest, and incorporate improvements across all areas.  

Does this sound like you? Take your chance and grow with us. 

CUSTOMER

Our client is one of Europe’s biggest GameTech companies and owns of one of the largest mobile gambling platforms, with millions of users. It is a big company that follows a startup approach. The technology stack is modern and up-to-date. 

Job Description

  • Develop and maintain responsive web applications using React and TypeScript 
  • Collaborate with designers and Back-end developers to deliver seamless user experiences 
  • Work with GraphQL for data fetching and manipulation 
  • Build modern and accessible UI components using Material UI or similar libraries 
  • Participate in code reviews, sprint planning, and product discussions 
  • Contribute to continuous improvements in performance and code quality 

Qualifications

  • At least 3 years of experience as a Front-end Developer 
  • Hands-on experience with JavaScript and TypeScript  
  • Experience with React 
  • Good knowledge of GraphQL 
  • Experience with Material UI 
  • Experience with GitHub and/or other version control systems 
  • Upper-Intermediate level of English

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