Middle Java Engineer

Vacancy details
Software Engineering
Java Engineer
Middle
Ukraine
Remote

Build the next generation of digital banking for 18M users. We’re looking for a Java developer to join Intellias into a large transformation initiative in a top Ukrainian bank—shipping meaningful improvements fast, aligning teams, and raising the bar for customer experience, stability, and delivery excellence. Expect real ownership, complex challenges, and measurable impact.

What project we have for you

The project goal is to evolve an enterprise-grade backend platform for a leading Ukrainian bank serving ~18 million customers. The solution is based on a service-oriented architecture and runs on AWS, leveraging modern technologies and native Amazon managed services. The ecosystem includes multiple database types and integrations, requiring strong focus on scalability, reliability, security, and high availability. This is a large-scale transformation environment where changes directly impact millions of end users.

What you will do

  • Design and develop high-quality Java-based applications.
  • Create detailed technical specifications for applications.
  • Troubleshoot and debug applications.
  • Ensure applications meet performance and scalability requirements.
  • Work closely with other teams to ensure the end product meets the client’s needs.
  • Monitor application performance and provide optimization recommendations.
  • Stay up to date with the latest technologies and industry trends.

What you need for this

Required Skills

  • Bachelor’s/Master’s degree in Computer Science, Software Engineering, or a related technical field.
  • 2+ years of experience building client–server applications
  • Strong proficiency in Java (Java 21+) and deep understanding of OOP principles.
  • Strong hands-on experience with Spring Framework: Spring Boot, Spring Core, Spring Web.
  • Solid knowledge of software design patterns, data structures, and application/solution architecture principles.
  • Strong knowledge of RESTful services and API design best practices.
  • Practical experience with SQL and NoSQL databases.
  • Experience with messaging systems such as Kafka and/or RabbitMQ.
  • Strong testing skills with JUnit, Mockito (and unit/integration testing practices).
  • Understanding of Java Memory Model (JMM) and Garbage Collection (GC).
  • Familiarity with build tools: Maven and/or Gradle.
  • Familiarity with Docker (containerization) and modern delivery practices.
  • Proficiency with Git and version control workflows.
  • Knowledge of information security principles and secure development practices.
  • Experience working with AWS (cloud-native services is a plus).

Will be a Plus

  • Exposure to DevOps tools such as Jenkins, Docker, and Kubernetes.
  • Knowledge of monitoring tools such as Prometheus and Grafana.

What it’s like to work at Intellias

At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That’s why we offer a range of benefits that support your well-being and charge your professional growth.
We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law.
We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.

Skills

API
Java
Kafka
NoSQL
OOP
RESTful
SpringBoot
SQL

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