Mid Frontend Developer

Salary: 500-800 PLN/MD (B2B contract)

Work model: hybrid in Warsaw

Why choose this offer?

• Contribute to the development of a leading e-commerce advertising platform
• Work on functionalities that drive user engagement and advertising success
• Join a team that values creativity and innovation
• Develop microservices for large-scale systems using advanced technologies
  
  

Project

You will join the consumer domain of a large e-commerce platform, working on customer-facing applications used daily by millions of users throughout the purchasing journey. The team focuses on building fast, reliable, and user-friendly web solutions that directly impact conversion, engagement, and customer satisfaction.

Expected competences and knowledge

• 3+ years of commercial experience in frontend development using JavaScript, TypeScript
• Practical knowledge of React and experience working with it in production environments
• Good understanding of HTML and CSS, including principles of responsive web design
• Experience with unit testing (Jest) and basic E2E testing (Cypress or Playwright)
• Ability to write clean, readable, and maintainable code with attention to quality
• Basic understanding of Design System concepts and component-based architecture
• Awareness of web accessibility and willingness to follow accessibility standards
• Ability to analyze requirements and propose effective frontend solutions
• Openness to feedback, code reviews, and knowledge sharing within the team
• Willingness to learn and develop skills in collaboration with mobile and backend teams
• English proficiency at B2 level
  
  

Technologies you'll work with

• JavaScript, TypeScript
• React
• Node.js (basic usage)
• HTML, CSS
• Jest
  
  

Client – why choose this particular client from the Jit portfolio?

Our Client dominates the Polish e-commerce arena as the market leader since 1999. With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies.

Jit Team has had a successful partnership with our Client since spring 2021, with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services.

Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale, where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience.

About Jit Team

The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.

Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.