Mid Level Java Engineer

Wallee Group is a leader in delivering advanced payment solutions, focusing on providing robust, scalable, and secure systems across multiple domains. We are dedicated to enhancing customer experiences by offering innovative payment and finance systems that support businesses in growing efficiently. Our operations span across multiple countries, and we thrive on collaboration and agility, using frameworks like Scrum to organize teams. At Wallee, we aim to stay at the forefront of market trends, continuously innovating to provide the best services to our customers.

We are recruiting for our office in Vilnius and are looking for our new team member to join us on January 4, 2027.

• →Design, develop and maintain integrations for our payment systems and local acquiring platforms.
• →Write clean, maintainable, and well-documented code in collaboration with your team of engineers.
• →Debug, troubleshoot, and resolve technical issues. Participate in operational work when needed.
• →Work with frameworks like Spring and Hibernate to build and maintain our systems.
• →Contribute to performance enhancements and scalability.
• →Collaborate with cross-functional teams to implement new features and solutions.
• →Perform code reviews, design reviews, architecture reviews.
• →Build business knowledge around the payment industry and Wallee specific products.
• →Boost your productivity using available AI tools.

We seek someone curious, eager to grow, and active in contributing to our team. You must have:

• At least 3 years of proven working experience in Java development.
• A Bachelor’s degree or Masters Degree in Computer Science, Software Engineering, or a related field (or relevant experience).
• Good knowledge of Java programming and object-oriented principles.
• Experience with SQL and relational databases (e.g., PostgreSQL, MySQL).
• A good knowledge of version control systems like Git.
• A good knowledge of build tools like Maven or Gradle.
• A good knowledge of Spring and JPA.
• A good understanding of REST APIs.
• Strong problem-solving skills and attention to detail.
• Good communication skills in English (written and spoken).
• Serious, responsible and autonomous.
• Sociable and easy to work with.

While not required, the following skills and experiences would make you stand out:

• Knowledge of microservices architecture.
• Knowledge of DDD principles.
• Experience with front end technologies (HTML, CSS, JavaScript, Typescript, React).
• Knowledge of containerisation tools like Docker and Kubernetes.
• Experience with testing frameworks such as Playwright.
• Interest in secure coding practices and payment technologies.