Senior Software Engineer (React)

Kingfisher plc

Kraków

On-site

PLN 100,000 - 140,000

Full time

14 days+

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Benefits offered by this job

Private medical healthcare at LUXMED
Medicoversports card
Life insurance financed by the employer
30-minute lunch break
Training & Buddy programme
Wellbeing programme
Co-financing of monthly transport tickets
Access to LinkedIn Learning
Employee referral programme

Job summary

A leading home improvement company is seeking a Senior Software Engineer (Frontend) in Kraków to deliver high-quality, scalable frontend solutions. The role involves designing and implementing advanced applications while collaborating with cross-functional teams. Ideal candidates will have strong experience with TypeScript, HTML, and CSS, along with proficiency in React.js or Remix. The company offers a hybrid work model, competitive benefits, and opportunities for career growth. Join us to make a real impact in building better software.

Qualifications

  • Strong experience in designing and building frontend applications.
  • Proficiency with modern frameworks like React.js and Remix.
  • Solid understanding of web architecture and microfrontends.

Responsibilities

  • Lead the design and implementation of frontend solutions.
  • Collaborate with backend engineers, product partners, and designers.
  • Support frontend architecture development with modern technologies.

Skills

TypeScript
HTML
CSS
React.js
Remix
RESTful APIs
GraphQL
Playwright
Jest
CI/CD
Accessibility standards

Job description

Overview

(Hybrid/Kraków – 1 day per week in the office)

We’re Kingfisher, a team of over 74,000 people with brands including Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş. We aim to be the leading home improvement company and to grow the largest community of home improvers in the world. We value equality and inclusivity for all colleagues, future colleagues, and applicants, regardless of age, gender, marital status, colour, ethnicity, culture, religion, political opinion, disability, gender identity or sexual orientation.

We are open to flexible and agile working. We offer a blend of working from home and our Kraków office. Talk to us about how we can best support you. We encourage you to apply even if you do not meet 100% of the requirements. We strive to create an inclusive environment where what you can achieve is limited only by your imagination.

We offer a competitive benefits package and opportunities to grow your career.

Location: Kraków (Hybrid – 1 day per week in the office)

About the role

Senior Software Engineer (Frontend) within the frontend domain. You will deliver high-quality, scalable frontend solutions that support long-term business objectives. You will contribute as a strong individual contributor while collaborating with team members to address complex technical challenges and uphold engineering best practices. You will play an important role in strengthening the technical capability and impact of your squad, with a focus on frontend technologies and quality.

If you are looking for an opportunity to make a real impact building better software, this is for you.

Responsibilities
  • Lead the design, implementation, and ongoing maintenance of advanced frontend solutions that are scalable, reliable, and efficient.
  • Collaborate with backend engineers, product partners, and designers to clarify requirements and deliver well-crafted features.
  • Support frontend architecture development and help the team adopt modern technologies and practices.
  • Promote high standards in code quality, testing, and release practices to enable dependable delivery.
  • Identify opportunities to improve development workflows, tooling, and overall product quality.
  • Mentor less experienced engineers, share knowledge, and foster a learning-focused team culture.
  • Maintain clear communication with stakeholders, sharing updates on delivery progress, risks, and technical topics.
Qualifications
  • 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 microfrontends.
  • 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 of independently deployed modules.
  • Experience with CI/CD pipelines and modern deployment practices, particularly in multi-application environments.
  • Familiarity with accessibility standards and UX 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 for cross-team collaboration.
  • Excellent command of English (written and spoken).
What we offer
  • Private medical healthcare at LUXMED (including dental care) for you and your family.
  • Medicoversports card (Fit & More package)
  • Life insurance financed by the employer
  • 30-minute lunch break included in the 8-hour working day
  • Work in a highly professional and stimulating atmosphere
  • Training & Buddy programme to help you adapt quickly to your new role
  • Wellbeing programme for employees
  • Co-financing of monthly tickets for public transport in Krakow
  • Comfortable working environment in the office with the possibility of home office
  • Language and accounting courses, access to LinkedIn Learning, and co-financing of studies and certification
  • Employee referral programme
Additional information
Benefits detail
  • Private Health Care
  • Child Insurance
  • Sports Card
  • Life Assurance
  • Bonus opportunities
  • Parking
  • Kingfisher Pension Scheme
  • Transport Discount
Our Behaviours

Constantly improving our customer experience; Acting with humanity and care; Be curious; Thriving on learning; Be inclusive; Be agile; Be accountable.

Application Process
  1. Step 1: Application — Send in your application via our Kingfisher Careers website.
  2. Step 2: Review — A Talent Acquisition team member will review your application and advise on progression.
  3. Step 3: Interview 1 — Telephone interview or one-to-one with a recruiter.
  4. Step 4: Interview 2 — Face-to-face or virtual interview.
  5. Step 5: Feedback — Recruiter will provide feedback and, if successful, details of the job offer.
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