Wallee Group
Wallee Group
51 – 200 Employees
ConsultingHospitalityLogistics
Wallee Group develops cloud-based payment solutions for businesses across hospitality, logistics, consulting, retail, and eCommerce. Its platform brings together card, mobile, online, and unattended terminal payments through a centralized portal, helping organizations manage different payment channels within one integrated service. The company has a team of 51–200 employees.

Mid-Level Java Engineer (Hybrid, Vilnius)

Join Wallee Group as a Java Engineer developing secure payment integrations and scalable services. The hybrid Vilnius role uses Java, Spring, Hibernate, and SQL.

Description

  • Create and maintain integrations for payment systems and local acquiring platforms
  • Produce clean, maintainable, and documented code with engineering colleagues
  • Investigate, diagnose, and fix technical issues
  • Support operational activities as required
  • Develop and maintain services using Spring and Hibernate
  • Help improve application performance and scalability
  • Work with cross-functional teams to deliver features and technical solutions
  • Contribute to code, design, and architecture reviews
  • Develop knowledge of payment-industry processes and Wallee products
  • Use available AI tools to improve productivity

Requirements

  • At least three years of professional Java development experience
  • A bachelor’s or master’s degree in computer science, software engineering, or a related discipline, or equivalent experience
  • Solid command of Java and object-oriented programming principles
  • Experience working with SQL and relational databases such as PostgreSQL or MySQL
  • Practical knowledge of Git and other version control systems
  • Experience using Maven or Gradle
  • Working knowledge of Spring and JPA
  • A strong understanding of REST APIs
  • A careful, analytical approach to solving problems
  • Effective written and spoken English communication
  • A serious, dependable, and self-directed approach to work
  • A sociable, collaborative working style
  • Knowledge of microservices architecture
  • Knowledge of domain-driven design principles
  • Experience with front-end technologies including HTML, CSS, JavaScript, TypeScript, or React
  • Familiarity with containerization tools such as Docker and Kubernetes
  • Experience with testing frameworks such as Playwright
  • An interest in secure coding practices and payment technology

Benefits

  • Hybrid work arrangement with three office days each week
  • Flexible working hours during the day
  • A four-week work-from-anywhere allowance each year
  • Access to modern technology stacks
  • A flat organizational structure
  • Personal budgets for professional development
  • A full calendar of social events
  • Fresh fruit, snacks, and quality coffee

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