Java Developer

Summary

Join Shift4, a leader in commerce-enabling technology, as a Senior Java Engineer. You will work on an online card payment system processing millions of transactions daily. Responsibilities include building new features, automated tests, and improving solutions for technical and business issues. You will collaborate with highly skilled specialists using Java, Kotlin, Spring, and other technologies. This role requires at least 7 years of hands-on Java development experience, expertise in Java and related technologies, and an IT/programming degree. The ideal candidate will possess strong analytical skills, a decision-making approach, and fluency in Polish and English. Benefits include remote work with flexible hours (B2B contract), a modern office in Wrocław (optional), and significant career potential in a disruptive fintech environment.

Requirements

• At least 7 years of hands-on Java development experience - not only coding but also problem solving on medium to high level of autonomy in project
• High level of expertise in Java and a solid knowledge of the listed technologies/tools
• Academic degree in IT/programming field
• Long-term commitment - we build a bold team ready to grow with us, solving problems together and celebrating milestones
• Proven track record of delivering high-quality code with attention to scalability and reliability
• Strong analytical skills and a predisposition for innovative thinking
• Decision-making approach and a goal-oriented attitude
• Fluency in Polish and English, with experience working with teams both from Poland and internationally
• An openminded and easygoing personality is a must - we like to like each other!

Responsibilities

• Work as Senior Java Engineer for online card payment system that processes millions of transactions a day for 1000+ merchants in 160 currencies, with 99,995% uptime
• Work with technologies such as: Java, Kotlin, Spring, Hibernate, SQL, Selenium, Gradle, AWS
• Building new features and automated tests with the highest attention to code quality and Continuous Delivery rules
• Finding and improving solutions for both technical and business issues
• Working with highly skilled specialists with the most efficient technologies and tools

Preferred Qualifications

• Experience with technologies such as: Javascript (ES7+), React
• Experience in Datadog, OpenSearch, Sentry
• Experience in payments/fintech industry
• Product-based IT company experience

Benefits

• Remote work with flexible hours (B2B contract)
• Modern office in the center of Wrocław if needed
• Having a real impact on developed features and technologies
• Cooperation with a team of highly trained specialists familiarized with technology and innovative products
• Unlimited career potential in disruptive fintech environment where traditional finance meets the new technology