Senior Java Developer (Camunda)

We are looking for a skilled Middle / Senior Java Developer with deep expertise in Camunda 7 to join our engineering team. In this role, you will be responsible for:

• Designing, developing, and optimizing complex business process automation solutions, orchestrating microservices, and implementing scalable server-side logic;
• Translating business workflows into robust BPMN/DMN models, driving best practices in distributed workflow management, and ensuring smooth integration between back-end systems, external APIs, and front-end applications.

• Workflow & Process Automation: Design, model, and implement complex end-to-end business processes using Camunda 7 (BPMN 2.0 / DMN 1.3).
• Backend Development: Design and develop high-performance, scalable microservices and server-side logic using Java and the Spring Boot ecosystem.
• Process Engine Customization: Write custom Java Delegates, Execution/Task Listeners, external task workers, and leverage the Camunda REST/Java APIs.
• System Integration: Integrate Camunda with microservices, event streams (Kafka), databases, and legacy systems.
• Performance & Optimization: Tune Camunda engine configurations, optimize database state persistence, handle asynchronous continuation, and resolve job executor / deadlock bottlenecks.
• Collaboration & Requirements: Work closely with business analysts, product owners, and engineering teams to translate business logic into executable technical workflows.
• Quality & Code Standards: Write clean, well-tested code (unit and process testing via Camunda BPM Assert / JUnit), conduct code reviews, and maintain clear technical documentation.
• Mentorship (for Senior level): Provide guidance on workflow patterns, microservice orchestration vs. choreography, and mentor junior team members.
• Education: Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Java Expertise: 3+ years (Middle) or 5+ years (Senior) of hands-on experience in Java development (Java 11/17+).

• Camunda 7 Mastery: Strong, proven experience with Camunda Platform 7 (embedded engine, standalone setup, Cockpit, Tasklist, and Admin tools).
• Frameworks & Architecture: Strong experience with Spring Boot, Spring Data, RESTful APIs, and microservices architecture.
• Process Modeling: In-depth knowledge of BPMN 2.0, DMN, error handling strategies (boundary events, saga pattern, compensating transactions), and process versioning.

• Messaging & Databases: Hands-on experience with message brokers (Kafka or RabbitMQ) and relational databases (PostgreSQL, MySQL, or Oracle) with strong SQL skills.
• Security & Auth: Solid understanding of OAuth 2.0, OpenID Connect, and securing REST endpoints / Camunda web apps.
• Testing: Proficiency in testing Java applications and Camunda workflows (camunda-bpm-assert, JUnit, Mockito).
• Soft Skills: Strong analytical, problem-solving, and communication skills; ability to work effectively in an Agile/Scrum team environment.