Java Software Engineer

Job Title: Java Software Engineer

Location: Dearborn, MI (Onsite)-Only locals

Duration: Long Term Contract

Note: This is a W2 opportunity

Job Description:

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.

Responsibilities

• 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 DevOps on CI/CD pipelines (Docker, Kubernetes, Helm)

• Participate in architecture reviews and define best practices for the team

Required Skills

• 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/NoSQL databases (PostgreSQL, MongoDB, Redis)

• Hands-on with Docker and Kubernetes in cloud environments (AWS, GCP, or Azure)

Nice to Have

• 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

Thanks & Regards,

Vignesh

vignesh@themesoft.com