Junior Java Engineer

About Us

Wallee is a payment technology company that enables merchants to accept omnichannel payments - whether online in web shops, on mobile devices, unattended kiosks or in physical outlets with terminals. Our software engineers are working on a variety of projects ranging from big data systems to dedicated merchant integrations. We’re driven by constantly improving the customer experience and enhancing the customer journey to satisfy our customers and consumers. We’re using latest technologies and tools.

Wallee requires a team of experienced and versatile software engineers to achieve our mission of providing the best payment experience to customers on the market. We use Scrum processes to organize our teams in multiple countries. We build technology leading payment systems that require a high degree of robustness, scalability and security. As we’re disruptors of the payment market we’re constantly pushing with our solutions into new areas.

Requirements

Your Role

As a Junior Java Engineer, you will:

• Assist in designing, developing, and maintaining integrations for our payment systems and local acquiring platforms
• Write clean, maintainable, and well-documented code with guidance from senior engineers
• Debug, troubleshoot, and resolve technical issues in collaboration with your team
• Learn and work with frameworks like Spring and Hibernate to build scalable systems
• Collaborate with cross-functional teams to implement new features and solutions
• Participate in code reviews to learn best practices and improve your coding skills
  
  

What We’re Looking For

We seek someone eager to learn, grow, and contribute to our team. You should have:

• A Bachelor’s degree in Computer Science, Software Engineering, or a related field (or relevant experience)
• Good knowledge of Java programming and object-oriented principles
• Familiarity with SQL and relational databases (e.g., PostgreSQL, MySQL)
• Exposure to version control systems like Git
• A willingness to learn frameworks like Spring and Hibernate
• An understanding of basic concepts of REST APIs
• Strong problem-solving skills and attention to detail
• Good communication skills in English (written and spoken)
  
  

Bonus Points

While not required, the following skills and experiences would make you stand out:

• Familiarity with build tools like Maven or Gradle
• Exposure to testing frameworks such as JUnit or Mockito
• Experience with essential web technologies (HTML, CSS, JavaScript)
• Knowledge of containerisation tools like Docker
• Gain hands-on experience building and consuming REST APIs
• Interest in secure coding practices and payment technologies
• Participation in personal or academic projects, hackathons, or coding challenges
  
  

Benefits

What We Offer

• Competitive gross monthly salary of EUR 2500 - 3000, based on experience and qualifications
• Flexible working hours and hybrid work options
• A modern workplace located in the heart of Vilnius
• Opportunities for professional development and access to training resources
• Mentorship from senior engineers will help you grow your skills and confidence
• A supportive, collaborative, and innovative team culture
  
  

If you are passionate about Java development and eager to start your career in fintech, we’d love to hear from you!