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.

Required skills

Java (8/11/17) DevelopmentSpring Boot, Spring MVC, and Spring DataMicroservices Architecture and Service DecompositionREST API Design and OpenAPI/SwaggerApache Kafka Producer, Consumer, and PartitioningMongoDB Document Modeling and Schema DesignMongoDB Indexing, Aggregation, and Query Performance TuningSQL Query Development and OptimizationOpenShift and AWS Deployment PlatformsMicroservices Scalability, High Availability, and ResiliencyException Handling, Logging, and MonitoringUnit Testing, Code Reviews, and Defect ResolutionCI/CD Pipelines and Production Deployment SupportSecure Coding and Compliance StandardsCross-Functional Collaboration with Analysts, Architects, QA, and DevOps

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