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React Frontend Software Engineer

location-pointer-icon Warszawa

On behalf of JobTestPrep, SD Solutions is looking for a talented and experienced React Frontend Software Engineer to join our JobTestPrep R&D team.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

As a React Frontend Software Engineer, you will be responsible for developing and maintaining high-quality, reliable frontend systems that support our web and mobile applications.

The ideal candidate will have a passion for software development, a strong work ethic, and excellent communication skills.


  • Design, develop, and maintain SPA using React in a micro-frontend Architecture
  • Collaborate with cross-functional teams to gather requirements, design, and develop features
  • Write clean, maintainable, and well-documented code
  • Ensure reliability and performance
  • Troubleshoot and debug issues and provide timely resolutions
  • Participate in project planning and estimation
  • Continuously learn and improve your skills and knowledge
  • Stay up-to-date with the latest trends and best practices in backend development
  • Contribute to the improvement of our development processes and methodologies


  • Bachelor's degree in Computer Science, Software Engineering, or a related field
  • Minimum of 5 years of experience in React development using typescript
  • Expert in modern webdev: React, Typescript, JavaScript, HTML, CSS
  • Robust and up-to-date knowledge of Responsive design, web components, styled-components
  • Experience with Styled System, theme-ui, radix forms
  • Proficient with building and packaging tools — Vite, webpack, rollup
  • Experience with test tools — Jest
  • Experience with RESTful APIs, JSON, and web services integration
  • Strong understanding of software development principles and best practices
  • Experience with Git or other version control systems
  • Excellent communication and teamwork skills
  • Strong problem-solving and analytical skills
  • Ability to learn and work in a fast-paced environment

Preferred Qualifications (as an advantage):

  • Experience with cloud platforms such as AWS
  • Experience in Backend technologies, such as C# or python
  • Experience with databases, such as SQL or NoSQL
  • Familiarity with agile development methodologies
  • Experience with test-driven development (TDD/BDD) and continuous integration/continuous delivery (CI/CD)
  • Good knowledge of Event Driven Design and Domain Driven Design
  • Knowledge of UI/UX design principles

About the company:

JobTestPrep is an online platform that provides preparation materials and resources for job seekers who are preparing for pre-employment tests and assessments.

The platform offers a wide range of practice materials and personalized study plans that are tailored to meet the specific needs of each individual job seeker.

SD Solutions
100 - 300

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