Senior Java Engineer

Senior Java Engineer

Onsite in Dearborn, MI, 5 days a week.

We are looking for a skilled Senior Java Engineer to design and deliver scalable, cloud-native microservices within our Connected Services platform. You will own the full software lifecycle - from architecture through deployment - building robust APIs and event-driven systems that power real-time device and data integrations.

• Design and develop RESTful and event-driven microservices using Java 17+ and Spring Boot 3
• Build and maintain integrations with IoT devices, third-party APIs, and connected platforms
• Implement messaging pipelines with Kafka or RabbitMQ for real-time data streaming
• Write clean, testable code with JUnit, Mockito, and integration test suites
• Collaborate with product and Dev Ops on CI/CD pipelines (Docker, Kubernetes, Helm)
• Participate in architecture reviews and define best practices for the team

• 5+ years with Java (Java 17+ preferred) and Spring Boot ecosystem
• Strong knowledge of Spring Cloud, Spring Security, and Spring Data JPA
• Experience with Kafka, RabbitMQ, or similar messaging technologies
• Familiarity with OAuth 2.0, JWT, and API security patterns
• Proficient with SQL/No
  
  SQL databases (PostgreSQL, MongoDB, Redis)
• Hands-on with Docker and Kubernetes in cloud environments (AWS, GCP, or Azure)

• Experience with MQTT, AMQP, or CoAP for IoT device communication
• Knowledge of OpenAPI / Swagger specification and contract-first design
• Exposure to service mesh (Istio, Linkerd) and observability tooling
• Contributions to open-source Java or Spring Boot projects