Senior Java Backend Developer

We are seeking a highly skilled Java Backend Developer to join our dynamic team. The ideal candidate will have extensive experience in designing, developing, and deploying scalable microservices using Spring Boot and Kafka. As a Backend Developer, you will be responsible for leading technical initiatives, mentoring junior developers, and ensuring the high performance and reliability of our microservices-based architecture.

Key Responsibilities:

Design and Development:

• Design, develop, and maintain microservices architecture using Spring Boot.
• Implement robust, scalable, and highly available microservices that adhere to industry best practices.
• Develop and maintain RESTful APIs to support business functionalities.

Kafka Integration:

• Design and implement event-driven architectures using Apache Kafka.
• Develop Kafka producers, consumers, and streams to handle high-throughput messaging and data processing.
• Ensure reliable message delivery, topic partitioning, and message ordering in a distributed environment.

System Architecture:

• Collaborate with architects to design and implement microservices architecture that meets business and technical requirements.
• Contribute to the evolution of the system’s architecture, making it more scalable and resilient.

Performance Optimization:

• Analyze and resolve performance bottlenecks in the system.
• Optimize microservices for maximum performance, scalability, and reliability.

Cloud Deployment:

• Deploy microservices on cloud platforms (e.g., AWS, Azure, GCP) using containerization tools like Docker and Kubernetes.
• Implement CI/CD pipelines for automated deployment and continuous integration.

Security:

• Ensure all microservices are developed with security best practices in mind.
• Implement OAuth2, JWT, and other authentication/authorization mechanisms.

Code Quality and Mentorship:

• Write clean, maintainable, and testable code, following the principles of TDD (Test-Driven Development).
• Conduct code reviews and provide constructive feedback to peers.
• Mentor and guide junior developers, promoting knowledge sharing within the team.

Collaboration:

• Work closely with cross-functional teams including Product Management, QA, and DevOps to deliver high-quality software solutions.
• Participate in Agile ceremonies such as stand-ups, sprint planning, and retrospectives.

Requirements

Experience:

• 8+ years of hands-on experience in software development with a focus on microservices architecture.
• Strong expertise in Spring Boot and related Spring frameworks (Spring Cloud, Spring Security).
• Extensive experience with Apache Kafka, including configuration, optimization, and troubleshooting.
• Proven experience in deploying and managing microservices on cloud platforms like AWS, Azure, or GCP.

Technical Skills:

• Proficient in Java (preferably Java 8 or later) and related technologies.
• Proficient in Sprin Cloud Project.
• Solid understanding of RESTful services, JSON, and API design.
• Experience with database technologies like SQL (e.g. Oracle, PostgreSQL), NoSQL (e.g., MongoDB, Cassandra), and data modeling.
• Familiarity with Docker, Kubernetes, OCP, and CI/CD tools such as Jenkins, GitLab CI, or Tekton.
• Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).
• Strong understanding of Git work and clients.
• Experience in Jira, Confluence, or MS Azure DevOps.
• Previous experience writing unit tests with JUnit, Mockito, or Power Mock.
• Knowledge of markup languages such as JSON and YML.
• Working knowledge of quality and security scan technologies such as SonarQube or Fortify.
• Write performance testing scripts using JMeter.

Soft Skills:

• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.
• Ability to work independently and as part of a team.
• Leadership qualities with a passion for mentoring and knowledge sharing.

Preferred Qualifications:

• Experience with reactive programming and frameworks like Spring Web Flux.
• Knowledge of distributed systems, message queues, and streaming platforms.
• Experience with Domain-Driven Design (DDD) and event sourcing patterns.
• Familiarity with GraphQL and GRPC.

Education:

• Bachelor’s degree in computer science, Engineering, or a related field.