Senior Java Developer – Spring Boot, Microservices, Kafka & MongoDB

SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES, KAFKA & MONGODB

Experience Range: 9–12 Years

MUST-HAVE TECHNICAL/FUNCTIONAL SKILLS

Core Development

• Java (8/11/17) – strong hands-on experience
• Spring Boot, Spring MVC, Spring Data
• Microservices architecture (service decomposition, API contracts)
• REST APIs, JSON, OpenAPI/Swagger
• Kafka producer, consumer, partitioning
• MongoDB
• OpenShift/AWS

Database & Data Layer

• MongoDB
  • Document modeling
  • Indexing strategies
  • Aggregation framework
  • CRUD and performance tuning

Integration & Messaging

• Experience with Kafka (preferred)
• REST-based integrations with upstream/downstream systems

ROLES & RESPONSIBILITIES

• Design, develop, and maintain Java-based microservices.
• Implement RESTful APIs adhering to enterprise design standards.
• Develop and optimize SQL queries (E2 level) for transactional and reporting use cases.
• Design and manage MongoDB schemas, indexes, and queries.
• Ensure high availability, scalability, and performance of microservices.
• Apply exception handling, logging, monitoring, and resiliency patterns.
• Collaborate with Business Analysts, Architects, QA, and DevOps teams.
• Participate in code reviews, unit testing, and defect resolution.
• Support CI/CD pipelines, deployments, and production issues.
• Follow secure coding and compliance standards.