Mid Level Java Engineer
Wallee Group AG15 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 with the engineering team.
- Debug, troubleshoot, and resolve technical issues, including participating in operational work when needed.
- Use Spring and Hibernate to build and maintain systems.
- Contribute to performance improvements and scalability.
- Collaborate with cross-functional teams to implement features and solutions.
- Perform code, design, and architecture reviews.
- Build knowledge of the payment industry and Wallee’s products.
Requirements
- At least 3 years of proven Java development experience.
- A 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 and attention to detail.
- Good written and spoken English communication skills.
- Curiosity, willingness to grow, responsibility, autonomy, and ability to collaborate effectively.
- Bonus: knowledge of microservices architecture, DDD principles, frontend technologies, Docker, Kubernetes, or Playwright; interest in secure coding and payment technologies.
Benefits
- Hybrid work with 3 days per week in the Vilnius office.
- Flexible daily working hours and a 4-week Work from Anywhere policy each year.
- Personal development budgets and a social calendar with events.
- Modern office in central Vilnius with fresh fruit, snacks, and high-quality coffee.
- Expected start date: 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.