Java Developer- Senior Associate- Technology

Tremend is looking for a Senior Java Developer to join our team of bright thinkers and doers. You’ll use your problem-solving creativity to tackle our clients’ most complex and challenging problems across various industries. We are on a mission to transform the world, and you will play a key role in shaping how we do it through your ideas, insights, and solutions. Responsibilities

• Design, develop, test, and maintain Java-based applications and services
• Build scalable, secure, and high-availability systems using modern Java frameworks
• Lead technical design discussions and contribute to architecture decisions
• Interact with stakeholders and deliver technical presentations
• Write clean, maintainable, and well-tested code (unit, integration, and automated tests)
• Optimize application performance, reliability, and security
• Review code and mentor junior and mid-level engineers
• Collaborate with product managers, QA, DevOps, and other stakeholders
• Participate in agile ceremonies (planning, stand-ups, retrospectives)
• Provide root cause analysis for complex production issues

Skills & Experience

• 7+ years of experience as a Java Developer
• Strong hands-on experience with Spring Boot and the Spring Framework
• Solid knowledge of microservices architecture (service discovery, circuit breaker, containerization, centralized logging)
• Experience working with legacy applications and modernization initiatives
• Proven experience upgrading applications from Java 11 to newer versions (preferably Java 17 or Java 21)
• Experience in the payments domain
• Experience with cloud platforms (Azure, AWS, or GCP)
• Experience developing and integrating web services (REST, SOAP)
• Experience with persistence frameworks (Hibernate, JPA)
• Strong SQL knowledge (Oracle, PostgreSQL, or MySQL)
• Knowledge of NoSQL databases (MongoDB, Cassandra)
• Experience with messaging systems (JMS, Kafka, RabbitMQ)
• Experience with build & CI/CD tools (Maven, Gradle, Jenkins, GitLab, Docker, etc.)
• Experience with automated testing (JUnit, Mockito, Testcontainers, integration and end-to-end testing)
• Fluency in English

Nice to have

• Knowledge of modern JavaScript frameworks (Angular, React, Vue.js)
• Kubernetes (K8s) knowledge
• Experience with contract testing and TDD
• Familiarity with CI/CD pipelines and DevOps practices (GitHub Actions, Jenkins, GitLab CI, etc.)
• Experience with infrastructure-as-code tools (Terraform, CloudFormation)