Senior Software Engineer (React)

Kingfisher is a large home improvement company with over 74,000 employees, operating brands such as Castorama, B&Q, Screwfix, Brico Dépôt, and Koçtaş. The company aims to become the leading home improvement company and grow the largest community of home improvers in the world.

• Strong experience designing and building frontend applications using TypeScript, HTML, and CSS.
• Proficiency with modern frameworks such as React.js and Remix, applied in modular and distributed frontend systems.
• Good understanding of web architecture, including DNS, web servers, and support for microfrontend solutions.
• Hands-on experience integrating RESTful APIs, JSON, and GraphQL within distributed architectures.
• Solid knowledge of frontend testing tools such as Playwright and Jest, including testing independently deployed modules.
• Experience with CI/CD pipelines and modern deployment practices, particularly in multi-application environments.
• Familiarity with accessibility standards and user experience best practices across shared and standalone components.
• Strong understanding of software and quality engineering principles, including performance, security, and scalability.
• Excellent problem-solving abilities and clear communication skills for effective cross-team collaboration.
• Excellent command of English (written and spoken).

• Lead the design, implementation, and ongoing maintenance of advanced frontend solutions, ensuring they are scalable, reliable, and efficient.
• Work closely with backend engineers, product partners, and designers to clarify requirements and deliver well-crafted features.
• Support the ongoing development of frontend architecture and help the team adopt modern technologies and practices.
• Promote high standards in code quality, testing, and release practices to enable dependable delivery.
• Proactively identify opportunities to improve development workflows, tooling, and overall product quality.
• Actively share knowledge, foster a learning-focused team culture, and provide support to less experienced engineers through collaboration and mentoring.
• Maintain clear and effective communication with stakeholders, sharing updates on delivery progress, risks, and technical topics.

• 20,000 - 28,000 PLN gross per month on an employment contract
• Private medical healthcare at LUXMED (including dental care) for employee and family
• Medicover sports card (Fit&More package)
• Life insurance financed by the employer
• 30-minute lunch break included in the 8-hour working day
• Training & Buddy programme for quick adaptation to the role
• Wellbeing programme for employees
• Co-financing of monthly tickets for public transport in Krakow
• Comfortable working environment in the office and possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning, and co-financing studies and certification
• Employee referral programme

Kingfisher ensures equal treatment of all colleagues and applicants regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious or philosophical belief, political opinion, disability, gender identity, gender expression, or sexual orientation.