Mid/Senior Java Developer
Project/Client: Banking / Fintech
Location: Baltic States and Poland (Remote)
Start Date: ASAP
Duration: Long-term with possible extension
Seniority: Mid / Senior
Language: English
Role Overview:
We are looking for a Mid/Senior Java Developer to join a long-term fintech / banking project. The role involves designing and developing scalable backend solutions using Java 21 and Spring Boot, working within a microservices architecture, and ensuring high performance and reliability of backend systems. The ideal candidate brings hands-on experience with REST API development, cloud environments (AWS), and modern DevOps practices, and holds valid residency in Lithuania, Latvia, or Estonia (citizenship required; background check applies).
Key Responsibilities:
Design and develop scalable, high-performance backend systems using Java 21 and Spring Boot
Build and optimize REST APIs following best practices in software architecture
Work within a microservices architecture, ensuring modularity and maintainability
Manage builds and dependencies using Gradle
Write and maintain automated tests using JUnit, Mockito, and AssertJ
Ensure code quality through SonarQube analysis and code review processes
Work with GitLab for version control and CI/CD pipeline management
Containerize and deploy services using Docker on AWS
Implement logging with Logback / SLF4J and monitor systems via Grafana
Handle asynchronous event-driven communication using Kafka
Work with PostgreSQL as the primary database and Redis for caching
Apply strong security principles and best practices throughout the development lifecycle
Collaborate closely with cross-functional teams in an agile environment
Must-Have Requirements:
Proven professional experience in Java development with a strong technical background
Proficiency in Java 21 and Spring Boot
Experience with Gradle as a build and dependency management tool
Hands-on experience with JUnit, Mockito, and AssertJ for testing
Familiarity with SonarQube for code quality assurance
Solid experience with GitLab and CI/CD pipelines
Experience with Docker containerization
Hands-on experience with AWS cloud services
Knowledge of Logback and SLF4J for logging
Experience with Grafana for system monitoring
Working knowledge of Kafka for messaging and event streaming
Proficiency with PostgreSQL and Redis
Expertise in solution design and microservices architecture
Strong understanding of security principles and best practices in software development
Knowledge of DevOps practices and related tooling
Strong problem-solving and analytical skills with a collaborative mindset
Lithuanian, Latvian, or Estonian citizenship (residency requirement; BGC required)
Fluency in English
Nice to Have:
Prior experience working on fintech projects
📩 Ready to Join?
We look forward to receiving your application and welcoming you to our team!
- Department
- Software Development
- Role
- Java
- Locations
- Estonia, Latvia, Lithuania, Poland
- Remote status
- Fully Remote
About Bonapolia
For job seekers, BONAPOLIA offers a gateway to exciting career prospects and the chance to thrive in a fulfilling work environment. We believe that the right job can transform lives, and we are committed to making that happen for you.