Senior Java Software Engineer

On behalf of FinTech Client #4, SD Solutions is looking for a talented Senior Java Developer SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer. Responsibilities: Work as a Senior Java Engineer for an online card payment system that processes millions of transactions a day for 1000+ merchants in 160 currencies, with 99,995% uptimeWork with technologies such as: Java, Kotlin, Spring, Hibernate, SQL, Selenium, Gradle, AWSBuilding new features and automated tests with the highest attention to code quality and Continuous Delivery rulesFinding and improving solutions for both technical and business issuesWorking with highly skilled specialists with the most efficient technologies and tools Requirements: At least 5 years of hands-on Java development experience - not only coding but also problem-solving with a medium to high level of autonomy in projectsHigh level of expertise in Java and a solid knowledge of the listed technologies/toolsAcademic degree in IT/programming fieldProven track record of delivering high-quality code with attention to scalability and reliability.Strong analytical skills and a predisposition for innovative thinkingDecision-making approach and a goal-oriented attitudeFluency in EnglishAn open-minded and easygoing personality is a must - we like to like each other! Advantages: Technologies: JavaScript (ES7+), ReactExperience in Datadog, OpenSearch, SentryExperience in the payments/fintech industryProduct-based IT company experienceFluency in Polish About the company: A global fintech company providing unified payment infrastructure and financial services for merchants and consumers worldwide. The platform integrates multiple payment channels into a single solution, combining in-house technology development and product innovation to streamline transactions at scale.