Middle/Senior Frontend Developer (React + TypeScript)

sigmasoftware2· BU003 (s9uNb)
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About this role

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 

Additional Information

Frequently Asked Questions

Is the salary disclosed for the Middle/Senior Frontend Developer (React + TypeScript) position at sigmasoftware2?
The salary for this Middle/Senior Frontend Developer (React + TypeScript) role at sigmasoftware2 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Middle/Senior Frontend Developer (React + TypeScript) position at sigmasoftware2 located?
This Middle/Senior Frontend Developer (React + TypeScript) role at sigmasoftware2 is based in Masovian Voivodeship, pl, Warsaw, Warsaw, Masovian Voivodeship, Poland. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Middle/Senior Frontend Developer (React + TypeScript) role at sigmasoftware2 full-time or part-time?
This is listed as a Full time position. It is posted as a Middle/Senior Frontend Developer (React + TypeScript) role in the BU003 (s9uNb) department at sigmasoftware2.
Which team or department does the Middle/Senior Frontend Developer (React + TypeScript) at sigmasoftware2 belong to?
This Middle/Senior Frontend Developer (React + TypeScript) position is part of the BU003 (s9uNb) department at sigmasoftware2. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Middle/Senior Frontend Developer (React + TypeScript) position at sigmasoftware2?
Click the "Apply Now" button on this page. You will be redirected to sigmasoftware2's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Middle/Senior Frontend Developer (React + TypeScript) job at sigmasoftware2 posted?
This Middle/Senior Frontend Developer (React + TypeScript) position at sigmasoftware2 was posted on Jul 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Middle/Senior Frontend Developer (React + TypeScript)
sigmasoftware2
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