Medior Java Developer

Who Are We

At Levi9, we are passionate about what we do. We love our work, and together in a team, we are smarter and stronger. We are looking for skilled team players who make change happen. Are you one of these players?

About The Project

Our client is a major media group in Belgium and the Netherlands, reaching millions of users daily through newspapers, magazines, radio, TV, websites, apps, and podcasts. Together, we are developing a digital advertising platform aimed at optimising media campaigns and enhancing user engagement. The product is already live and continues to evolve to meet the fast-changing needs of the industry.

Responsibilities

• Develop and maintain a cloud-native microservices system hosted on AWS;
• Collaborate closely with Java and DevOps engineers on technical decisions and feature design;
• Build and maintain integrations with third-party systems and services;
• Write clean, efficient, and well-tested code using modern Java and Spring ecosystem;
• Participate in code reviews, contribute to architecture discussions;
• Ensure high performance and scalability of services;
• Support and improve CI/CD pipelines together with the DevOps team;
• Actively communicate with the Product Owner and other stakeholders to clarify requirements and align on priorities.
  
  

Requirements

• 3+ years of hands-on experience in Java backend development;
• Strong knowledge of Java 17+, Spring Boot, Spring Core, MVC, Data, Security;
• Solid understanding of microservices architecture and RESTful APIs;
• Experience with Hibernate, JPA, and relational databases (e.g., PostgreSQL);
• Practical knowledge of AWS services such as SNS, SQS, ECS, S3;
• Experience writing unit and integration tests using JUnit, Mockito (or similar tools);
• Familiarity with CI/CD pipelines and related tools (e.g., Jenkins, GitLab CI);
• Experience with Docker, Maven, Git;
• Good problem-solving, debugging, and troubleshooting skills;
• Strong communication skills and an intermediate or higher English level (spoken and written).
  
  

9 reasons to join us

• Today we're working with the technology of tomorrow.
• We don't wait for a change. We are the change.
• We're experts in creating experts (Levi9 academy, Lead9 program for leaders).
• No micromanagement. We are free birds with a clear understanding of what high performance is!
• Learning in Levi9 never stops (unlimited Udemy for business, meetups, English courses, Professional training).
• Here you can train your body and mind.
• We've gathered the best locations - comfortable, cosy and pet-friendly offices in Kyiv (5 minutes from Olimpiyska metro station) and Lviv (overlooking the Stryiskyi Park) with regular offline internal events
• We have a master's degree in work-life balance.
• We are actively supporting Ukraine with constant donations and volunteering
  
  

Interview Process

• Intro call with a recruiter – get to know each other and align expectations.
• Technical interview – show your skills and problem-solving approach.
• Managerial interview – discuss the project, team setup, and your potential role.
  
  

Levi9 is a nearshore technology service provider with around 1000 employees and 50+ customers. We specialize in custom made business IT – 95% of our work is on the revenue side of our customers. This is where time to market, high productivity, stable team velocity, and great quality through automation, agility, intensive interaction and understanding matter most.