Software Engineer

Vertex Sigma Software; Dearborn (MI); On-site; USD 85,000 - 115,000; Full time

Job summary

Vertex Sigma Software is seeking a Software Engineer in Dearborn, Michigan to design and develop scalable, cloud-native microservices for their Connected Services platform. This role involves managing the full software lifecycle, from architecture to deployment, and requires expertise in building robust APIs and event-driven systems.

The ideal candidate should have 5+ years of Java and Spring Boot experience, along with strong knowledge of microservices architecture and cloud environments like AWS, GCP, or Azure. Join us to drive innovation in IoT and real-time data integrations.

Qualifications

• 5+ years of experience with Java and Spring Boot ecosystem.
• Strong knowledge of microservices architecture.
• Experience maintaining cloud-native applications.

Responsibilities

• Design and develop scalable microservices.
• Maintain integrations with IoT devices and third-party APIs.
• Implement real-time data streaming with messaging pipelines.

Skills

Java 17+

Spring Boot 3

RESTful services

Kafka

Docker

Kubernetes

Tools

PostgreSQL

MongoDB

Redis

Job description

Overview

We are looking for a skilled Software 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 using Docker, Kubernetes, and Helm
• Participate in architecture reviews and define best practices for the team

Required Skills

• 5+ years with Java and the Spring Boot ecosystem; Java 17+ preferred
• 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, including PostgreSQL, MongoDB, and Redis
• Hands-on with Docker and Kubernetes in cloud environments (AWS, GCP, or Azure)
• Contributions to open-source Java or Spring Boot projects

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 technologies, including Istio and Linkerd, and observability tooling