Java Developer ( Product Development- 9+ yrs ) : Bangalore

• Develop new product features using Java, JSON/Jersey and RESTful Web Services in Windows and Linux environments.
• Work with the Product Management, QA, and Documentation teams while developing the product features.
• Analyze requirements from customers, Product Managers.
• Enhance and maintain existing product capabilities.

Requirements:

• Bachelors Degree in Computer Science is required and Masters Degree in Computer Science preferred.
• 2 to 8 years experiences developing server components for enterprise business application software products and working with n-tiered applications is preferred.
• Expected Java core competencies:
• Java 8-style stream processing with the reactive streams additions from later Java releases
• Some experience with Java NIO
• Mastery of Java core collection classes
• Mastery of java.util.function
• Mastery of java.util.concurrent, including the Flow APIs
• Java virtual threads
• Proficiency in Storage and database technology
• Oracle SQL a must
• Oracle PL/SQL a plus
• Experience with schema-based and schemaless NoSQL technologies
• S3, Swift or other object storage technologies
• Remoting
• JAX-WS for SOAP Services, experience of legacy JAX-RPC a plus
• JAX-RS for REST as well as experience with more lightweight frameworks like HelidonSE services with Jackson or Spring WebFlux. Proficiency in REST service development with node.js is a plus
• Experience with synchronous and asynchronous gRPC using protobuf
• Experience with legacy servlet-based web technology
• JSON/REST
• Proficiency in using Jackson Databind. Experience in extending Jackson itself, for example with custom serializers/deserializers, a huge plus
• Deep proficiency in JSON-Schema, including JSON-Schema conditional statements
• Deep OpenAPI 3.x knowledge with the understanding of key difference to OpenAPI 2/Swagger. Real experience with OpenAPI 3.1 and JSON Schema conditionals and their usage in Java a major plus
• Build/CI/CD
• Understanding and experience with the core Java build tools (Maven, Ant, Gradle). Mastery of Maven, including multi-module builds a must
• Experience in declarative CI pipeline technologies like Gitlab-CI or GitHub Actions/Workflows
• Understanding of provisioner technologies like Ansible, Chef, Terraform and Puppet (or alike). Experience with Terraform most important
• Experience with Argo-CD and/or Flux a plus

Experience : 4-12 Yrs