Mid Level Java Engineer
Wallee Group AG25 days ago
Vilnius, LithuaniaMid Level
Responsibilities
- Design, develop, and maintain integrations for payment systems and local acquiring platforms.
- Write clean, maintainable, and documented Java code collaboratively.
- Debug, troubleshoot, and resolve technical issues, including participating in operational work when needed.
- Contribute to performance improvements and system scalability.
- Collaborate with cross-functional teams to implement new features and solutions.
- Perform code, design, and architecture reviews.
- Build knowledge of the payment industry and Wallee products.
- Use available AI tools to improve productivity.
Requirements
- At least 3 years of proven Java development experience.
- Bachelor’s or master’s 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 such as PostgreSQL or MySQL.
- Knowledge of Git, Maven or Gradle, Spring, JPA, and REST APIs.
- Strong problem-solving skills, attention to detail, communication skills in English, and the ability to work responsibly and autonomously.
- Bonus qualifications include microservices architecture, DDD principles, frontend technologies, Docker, Kubernetes, Playwright, secure coding practices, and payment technologies.
Benefits
- Hybrid work arrangement with 3 days per week in the Vilnius office.
- Flexible daily working hours and a 4-week Work from Anywhere policy each year.
- Competitive compensation of €3,500–€4,500 gross per month, depending on experience, seniority, and technical expertise.
- Personal development budgets and a social calendar with team events.
- Modern office, fresh fruit, snacks, and high-quality coffee.
- Expected start date is January 4, 2027.
Tech Stack
Categories
About Wallee Group AG
Wallee Group AG builds an omnichannel payments platform for merchants, offering an online payment gateway, in‑store card terminals, and developer APIs to accept and reconcile payments across channels. It sells payment processing and related services on a transaction-fee basis, with plugins for common e‑commerce systems and support for multiple payment methods. The privately held company is headquartered in Winterthur, Switzerland, and operates across several European markets.