Java Developer
- Remote
- Lublin, Lubelskie, Poland
- Application Services Poland
- ymfrg
Job description

The project
We are looking for an experienced Java Developer to join a greenfield project aimed at building a next-generation, AI-first fleet management platform with a cloud-native architecture. You will work alongside a skilled cross-functional team to develop robust backend services and APIs that serve as the foundation for scalable, intelligent fleet operations systems.
You will play a key role in building a modern, microservices-based architecture and ensuring that services are secure, maintainable, and integrated seamlessly with advanced AI features including OCR document processing, NLP search, and digital verification workflows.
Industry: Fleet management
Team: Tech Lead, Backend developers, QA (Poland and Egypt)
The number of open vacancies: 1
Type of contract: B2B/Labour Contract
The preferred scale of work: full-time
Start date: June 2025, long-term cooperation
Type of work: 100% remote from Poland (Lublin preferred)
Location: Poland
Main technologies used in the project:
Frontend: Vaadin (mobile-first, responsive)
Backend: PostgreSQL (with JSON indexing)
Server: Tomcat (Java stack)
AI Services: TBC
Your tasks:
Design, build, and maintain Java-based microservices in a scalable, event-driven architecture.
Develop secure and RESTful APIs for integration with AI modules and client-facing features.
Collaborate with AI and Frontend developers to support document processing, NLP functionality, and driver verification workflows.
Optimize database access and queries using PostgreSQL and advanced SQL techniques.
Implement and maintain unit and integration tests (JUnit, Mockito) to ensure service quality.
Support deployment pipelines and monitor application performance using CI/CD and observability tools.
Contribute to architecture discussions and technical decisions with a focus on maintainability and scalability.
Job requirements
What we expect from you:
6+ years of experience with Java (Java 17 or newer).
Strong knowledge of Spring Boot, Spring MVC, and Hibernate/JPA.
Experience with CI/CD tools (Jenkins), version control (Git), and project. management tools (JIRA, Confluence).
Experience working with REST APIs and event-driven architectures.
Solid grasp of OOP, Clean Code, and software development best practices.
Proficiency in SQL and working with relational databases like PostgreSQL.
Comfortable with unit and integration testing (JUnit, Mockito).
Experience designing microservices and integrating distributed systems.
Analytical mindset with curiosity to understand complex business logic.
Nice to have:
Experience in DevOps and AWS infrastructure.
What we can offer:

flexible working hours
medical insurance
international clients
100% remote work
annual bonuses
life insurance
non-corporate work atmosphere
integration events
additional days off
training and development budget
We look forward to receiving your application!

Recruiter responsible for the offer
Karolina Witkowska karolina.witkowska@trimetis.com
or
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