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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

6 h ago
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. Contribute to code reviews, sprint planning, and the continuous improvement of performance and code quality.

What they look for

React TypeScript JavaScript GraphQL Material UI GitHub Frontend Development Responsive Web Design

Requirements

Requires at least 3 years of experience as a Front-end Developer with proficiency in JavaScript, TypeScript, and React. Candidates must have knowledge of GraphQL, Material UI, and possess 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