Kingfisher

Overview

Lead Software Engineer (Frontend)

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

We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in.

At Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.

We are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you!

At Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles, even if you do not feel you meet 100% of the requirements.

In return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self.

We offer a competitive benefit package and plenty of opportunities to stretch and grow your career:

• 25,000 - 33,000 PLN gross per month on an employment contract
• Private medical healthcare at LUXMED (including dentalcare) for you and your family
• Medicover sports 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 that will allow you to quickly adapt to your new role
• Wellbeing programme for employees
• Co-financing of monthly tickets for the public transport in Krakow
• Comfortable working environment in the office and the possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification
• Employee referral programme

What's the job?

About the role

As a Lead Software Engineer, you will provide technical leadership while contributing hands-on. You will guide the squad through complex challenges, deliver scalable, high-quality solutions aligned with business goals, and mentor engineers.

Working closely with Engineering Leads and Principal Engineers, you will shape technical direction, support strategic decisions, and foster a culture of collaboration and continuous improvement, with a strong focus on frontend excellence.

Responsibilities

• Provide day-to-day technical guidance, ensuring the team is aligned on priorities, technical approaches, and best practices to meet business goals.
• Foster a culture of growth by mentoring engineers, facilitating skill development, and offering constructive feedback to support their career progression.
• Take ownership of complex frontend solutions, ensuring they are scalable, maintainable, and performant while meeting both short- and long-term objectives.
• Collaborate effectively with cross-functional teams, including backend engineers, product managers, and designers, to define and execute on product vision.
• Contribute to shaping the technical direction of frontend architecture, influencing product and technical roadmaps, and supporting the team in navigating evolving business needs.
• Champion high standards of code quality, testing, and deployment processes to ensure reliability and consistency across frontend systems.
• Identify opportunities for process and technical improvements, proactively leading efforts to enhance the development lifecycle, productivity, and product quality.
• Maintain strong relationships with internal stakeholders, facilitating effective communication and ensuring technical needs and progress are clearly communicated.

What you'll bring

• Proven ability to design, implement, and deliver high-quality software in TypeScript and JavaScript, with focus on maintainability, scalability, and performance
• Deep expertise in modern frontend development with React and Next.js, including SSR, state management, and performance optimisation
• Strong command of SCSS and CSS Modules, building modular, scalable, and accessible UI architectures
• Experience working in monorepo environments with Nx, including build optimisation, dependency management, and architectural boundaries
• Advanced knowledge of frontend and integration testing using Jest, Testing Library, and MSW
• Strong understanding of observability and monitoring using Datadog RUM and OpenTelemetry
• Proficiency in backend and integration development with Node.js and Express
• Strong grasp of software engineering best practices, quality engineering, and non-functional requirements
• Exceptional problem-solving skills in designing complex, cross-cutting technical solutions
• Strong stakeholder management and communication skills, including mentoring and influencing architectural decisions
• Excellent command of English (written and spoken)

At Kingfisher we value having a diverse workforce and representing the communities that we serve, and want to ensure that all employees, future employees, and applicants to all Kingfisher companies are treated equally.

If you require any additional support or adjustments to help you make an application or are applying for a UK based position and would like to be considered under the Disability Confident Scheme, please contact us at kingfisher.recruitment@kingfisher.com

or if you wish to find out more about us, including the benefits we offer and our community, sustainability and inclusion projects Visit Kingfisher Careers