Middle Java Developer

About the Role

Infinity Technologies is looking for a Middle Java Developer to join backend development teams working on international software projects.

This role is a good fit for an engineer who already has solid commercial experience with Java and Spring Boot, understands backend development principles, and wants to grow further in microservices, cloud-based systems, integrations, and production-quality engineering.

You will work as part of a cross-functional team together with backend developers, frontend engineers, QA specialists, DevOps engineers, and product stakeholders.

Responsibilities

• Develop and maintain backend services using Java and Spring Boot.
• Build REST APIs and support integration with internal and external systems.
• Work with relational databases, write SQL queries, and support data-related logic.
• Implement new features based on business and technical requirements.
• Participate in code reviews and improve code quality together with the team.
• Write unit and integration tests.
• Fix bugs, investigate issues, and support stable application performance.
• Work with Git, CI/CD pipelines, and standard development workflows.
• Collaborate with QA, frontend, and product teams during feature delivery.

Requirements

• 3+ years of commercial experience in Java development.
• Good knowledge of Java 11+.
• Practical experience with Spring Boot and Spring Framework.
• Experience developing RESTful APIs.
• Understanding of OOP, SOLID principles, and common design patterns.
• Experience with SQL databases such as PostgreSQL, MySQL, or Oracle.
• Basic understanding of microservices architecture.
• Experience with Git and standard software development practices.
• Understanding of unit testing and debugging.
• Ability to work in a team and communicate clearly on technical topics.
• Strong spoken English - Upper-Intermediate / Advanced level, B2+ or higher.

Nice to Have

• Experience with Java 17.
• Experience with Spring Security or Spring Data.
• Basic experience with Docker.
• Familiarity with messaging systems such as Kafka or RabbitMQ.
• Experience working with cloud services such as AWS, Azure, or Google Cloud.
• Previous experience in fintech, e-commerce, SaaS, logistics, or enterprise software projects.

We Offer

• Remote-friendly cooperation format.
• Opportunity to work on international commercial projects.
• Support from experienced engineers and technical leads.
• Clear development processes and code review culture.
• Long-term cooperation opportunities.
• Possibility to grow towards Senior Java Developer or technical ownership roles.

Apply

If you are a Java Developer looking for a strong engineering environment and opportunities to grow, we would be glad to hear from you.

Send us your CV and we will contact you to discuss relevant opportunities.