Senior Java Backend Engineer – Test Automation & Microservices

Empower the future of digital financial services — lead innovative backend solutions at the forefront of global disbursements! Krakow-based opportunity with hybrid work model. As a Senior Java Backend Engineer – Test Automation & Microservices, you will be working for our client, a leading provider of payment platform solutions that enable seamless, fast, and secure transfer of funds worldwide. Your expertise will drive the development of scalable backend services, shaping the core infrastructure that empowers organizations to deliver financial services effortlessly on a global scale. Join us to be part of a pioneering team revolutionizing the payments industry through innovation and precision. Your main responsibilities: Provide technical leadership and mentorship to a team of engineers, guiding them to success Lead the design and development of backend services and microservices using Java 8/11/17 Drive the team’s strategy for automated testing, promoting best practices and overseeing the implementation of automation frameworks to reduce costs Architect solutions to reduce cost and complexity by migrating to modern integration patterns like APIs, Kafka, or microservices Oversee the enhancement of Straight-Through-Processing (STP) capabilities of services You're ideal for this role if you have: At least 10 years of professional experience in software engineering At least 3 years of experience in a technical leadership or lead developer role Strong proficiency in Java 8+ (Java 17+ preferable) Deep understanding of microservices architecture, design patterns, and best practices Advanced, hands-on experience in software testing, including designing and implementing test automation frameworks Knowledge of Spring/Spring Boot Working understanding of RESTful microservices and APIs Experience with database technologies and SQL (Oracle preferred) It is a strong plus if you have: (optional) Experience with Test-Driven Development (TDD) methodologies Knowledge of scripting languages (e.g., Python, Bash) Experience working in a QA team Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role.