Mid/Senior Java Developer (Banking/Fintech)
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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 BootBuild and optimize REST APIs following best practices in software architecture
- Work within a microservices architecture, ensuring modularity and maintainability
- Manage builds and dependencies using GradleWrite and maintain automated tests using JUnit, Mockito, and AssertJEnsure 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 AWSImplement logging with Logback / SLF4J and monitor systems via Grafana
- Handle asynchronous event-driven communication using KafkaWork 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 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
Duration: Long-term with possible extension