Java Software Engineer - Payment Integration

Wallee Group is a leader in advanced payment solutions, dedicated to providing robust, scalable, and secure systems across multiple domains. We enhance customer experiences through innovative payment and finance technology that empowers businesses to grow efficiently. With operations spanning several countries, we thrive on collaboration and agility, utilizing the Scrum framework to drive our international teams. At Wallee, we stay at the forefront of market trends, continuously innovating to deliver premier services to our global customers.

To achieve our mission of providing the market's best payment experience, Wallee is expanding our engineering team in Vilnius. We are looking for Java Software Engineers across multiple seniority levels, from bright minds eager to learn and grow, to experienced professionals ready to contribute fresh ideas and drive our technical vision forward.

As disruptors in the fintech space, we build secure, high-reliability systems at scale. Whether you are looking to sharpen your foundational skills under great mentorship or want to take ownership of complex challenges and drive impactful solutions, you’ll find a place to make a real impact here

• Architect Scalability: Design and develop highly resilient back-end systems using Java, ensuring our infrastructure handles global scale with ease.
• Feature Innovation: Own the end-to-end lifecycle of new features, from initial implementation to refined bug fixing and performance tuning.
• Collaborative Engineering: Work closely with product managers, UX designers, and QA to translate complex business needs into elegant technical solutions.
• Code Excellence: Drive quality through automated testing, rigorous code reviews, and the creation of clear, maintainable technical documentation.
• Stay Ahead: Continuously research and evaluate emerging technologies and methodologies to keep Wallee at the cutting edge of the fintech industry.

• Technical Depth: A strong foundation in Java and frameworks like Spring Boot or Hibernate. We welcome juniors eager to master these tools, as well as seniors who know them inside out and can write clean, efficient code at scale.
• Systems Thinking: Proven experience building distributed systems and scalable, high-availability solutions.
• Data Mastery: Comfort with writing solid SQL queries and structuring data correctly.
• Modern DevOps: Hands-on experience with CI/CD pipelines (Jenkins/GitLab CI) and containerization (Docker, AWS ECS).
• Agile Mindset: A degree in Computer Science (or equivalent experience) and a track record of thriving in fast-paced, Agile environments.
• Bonus Points: Experience with JavaScript, Apache Camel, or BPM engines.