Senior Software Engineer

Senior Software Engineer (Java)

(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:

• 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

About the role

We are looking for a talented Software Engineer to join our growing team. The ideal candidate will have a solid background in software development, systems engineering, and data management, with proven expertise in designing, implementing, and maintaining backend API solutions.

As a Software Engineer, you will collaborate closely with a cross-functional team to design and deliver new features and products , bringing ideas, energy, and technical leadership to the table.

Responsibilities

• Design, develop, test, and deploy high-quality software that delights our customers.
• Work with users and stakeholders to identify needs and deliver valuable solutions.
• Participate in design, code, and test reviews to ensure quality and consistency.
• Apply DevOps practices, continuously testing and releasing software.
• Integrate software with monitoring, observability, and support tools.
• Engage in Agile team processes, continuously adapting and improving ways of working.
• Use data-driven approaches to experiment, measure, and iterate on features.
• Troubleshoot and resolve technical issues throughout the product lifecycle.

• Strong Java, Spring Boot, and Kotlin design and development skills.
• Experience with microservices and event-driven architectures.
• Hands-on experience with Kafka Connect and Kafka Streams.
• Familiarity with IBM MQ and common messaging patterns.
• Knowledge of unit, integration, and BDD testing techniques.
• Experience with GitLab / Jenkins CI/CD pipelines and version control systems.
• Strong understanding of RESTful services (JSON) and API design principles.
• Working knowledge of PostgreSQL and Redis.
• Excellent command of English (written and spoken)