Java Software Engineer - Payment Integration

The Mission 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. The Role 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 Your Impact 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. What You Bring to the Table 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. Why Join Wallee? Modern Workspace: A beautiful office in the heart of Vilnius - comfortable, bright, and collaboration-ready. True Flexibility: We embrace a hybrid way of working with 3 days per week in our office to foster collaboration, complemented by flexible daily hours and a 4-week "Work from Anywhere" policy every year. Innovation First: We work with the latest tech stacks in a flat hierarchy where your voice actually matters. Growth & Culture: Competitive compensation, in the range of €2,200 – €6,000 gross/month, depending on experience, seniority, and technical expertise, personal development budgets, and a social calendar filled with events . The Perks: Fresh fruits, snacks, and high-quality coffee to keep you fueled. Don’t tick every box? Neither do most great hires. If the role feels right, reach out, we’d love to see if we’re a match.