Sr. Java Developer - Camunda Modeler (BPMN Workflows)

Location: Remote (EST Hours)

Description:

The Backend Developer designs, builds, and supports backend services, workflow orchestration, and integrations for clients ERP solution. The role delivers secure, reliable, and performant REST APIs and backend components using Java and Spring Boot. Responsibilities include data access patterns using JOOQ, Camunda Modeler (BPMN Workflows), Database as PSQL, event-driven processing with RabbitMQ, and search capabilities using Elasticsearch.

• Design, develop, and maintain backend services using Java / Spring Boot; deliver secure, reliable, and performant service implementations.
• Build and maintain REST APIs (validation, error handling, versioning, and contract-first patterns).
• Implement BPMN workflows using Camunda Modeler; integrate workflow orchestration with backend services and integrations.
• Implement data access and query layers using JOOQ (SQL quality and performance-aware queries).
• Implement event-driven/asynchronous processing and integrations using RabbitMQ (durability, retries, idempotency patterns).
• Implement and tune Elasticsearch indexing and query patterns to support efficient search and retrieval.
• Create and maintain automated tests using TestNG and Unit Test cases; contribute to CI quality gates and regression prevention.
• Participate in code reviews, defect triage, and root-cause analysis; drive stability and maintainability improvements.