- 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:
- Bachelor's Degree in Computer Science is required and Master's 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
Design, develop, troubleshoot and debug software programs in Java.As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.Duties and tasks are varied and complex needing independent judgment. Fully competent in own area of expertise.
Career Level - IC3
