Senior Frontend Developer

DataArt Solutions, Inc; Kraków, Łódź, Lublin; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Vacation

Health insurance

Comfort service

Other benefits

Job summary

DataArt Solutions, Inc in Kraków is seeking an experienced Frontend Developer to join our engineering team working on a large-scale cloud product. You will collaborate with product managers, designers, developers, QA, and writers to deliver high-quality features and improve user experience for our enterprise solution.

We value engineers who focus on solving real user problems, not just completing tasks, and who can own features from design through deployment.

Qualifications

• 4+ years of frontend development in commercial projects.
• At least 1 year of experience with React and TypeScript.
• Experience building complex user interfaces.
• Understanding of API design and integration.
• Experience with performance optimization.
• Upper-intermediate English (spoken and written).
• Strong communication skills and ability to work in a distributed, multicultural team.
• Ability to work independently and take ownership of tasks, even with incomplete specifications.
• Willingness to learn and effectively communicate about unfamiliar technical topics.

Responsibilities

• Build and maintain unit tests; occasionally contribute to integration or performance testing
• Participate in code reviews and follow best engineering practices
• Work on complex technical challenges with a strong focus on performance, usability, and security
• Collaborate with cross‑functional teams to design, implement, and improve product features
• Maintain high quality standards across the codebase

Skills

Frontend development

React

TypeScript

UI design & development

API integration

Performance optimization

Communication

Independent worker

Distributed teamwork

English (upper-intermediate)

Education

CS degree

Job description

Client

Our client is a leading global provider of cloud‑based enterprise solutions.

Position overview

We are looking for an experienced Frontend Developer to join our engineering team working on a large‑scale cloud product. In this role, you will collaborate closely with product managers, designers, developers, QA engineers, and technical writers to deliver high‑quality features and improve the user experience for a widely used enterprise solution. We are especially interested in someone who focuses on solving real user problems—not just completing tasks.

Responsibilities

• Build and maintain unit tests; occasionally contribute to integration or performance testing
• Participate in code reviews and follow best engineering practices
• Work on complex technical challenges with a strong focus on performance, usability, and security
• Collaborate with cross‑functional teams to design, implement, and improve product features
• Maintain high quality standards across the codebase

Requirements

• 4+ years of experience in frontend development in commercial projects
• At least 1 year of experience with React and TypeScript
• Experience building complex user interfaces
• Understanding of API design and integration
• Experience with performance optimization
• Upper‑intermediate English (spoken and written)
• Strong communication skills and ability to work in a distributed, multicultural team
• Ability to work independently and take ownership of tasks, even with incomplete specifications
• Willingness to learn and effectively communicate about unfamiliar technical topics

Nice to have

• Degree in Computer Science or related field, or strong understanding of CS fundamentals
• Experience with Java or backend development

We offer

• Vacation: As per the laws of your country. We do ask you to take a proper rest.
• Health insurance: We help you to take out an insurance policy for you and your loved ones.
• Comfort service: Solving technical and everyday problems at work.
• Other benefits: The benefits package may vary depending on the region and the type of contract.