Cloud Java Engineer — Spring Boot & AWS

Caterpillar Inc.; Chicago (IL); On-site; USD 98,000 - 158,000; Full time

Benefits offered by this job

Medical benefits

401(k) savings plan

Paid time off

Job summary

Caterpillar Inc. is seeking a Software Engineer on Cat Digital Platform to build scalable, secure cloud solutions and APIs for data, services, and customers worldwide.

You will design, test, and deliver backend systems with a strong emphasis on quality, reliability, and operational readiness. The role emphasizes collaboration across engineering, product, and business teams, with participation in CI/CD, code reviews, and technical documentation.

Qualifications

• Experience developing RESTful APIs and microservices using Java 21+, Spring Boot, API gateway technologies such as Apigee, and cloud platforms such as AWS, Azure, or GCP.
• Understanding of API security concepts, including OAuth 2.0, JWT, and service-to-service communication patterns.
• Strong understanding of data structures and object-oriented design principles.
• Experience with event-driven architectures and messaging technologies such as Kafka, AWS SQS, AWS SNS, AWS Kinesis, or RabbitMQ.

Responsibilities

• Develop, test, and maintain backend RESTful APIs using Java, Spring Boot, and AWS cloud services.
• Develop and maintain API contracts, payload schemas, and OpenAPI/Swagger specifications.
• Implement integrations using established authentication and authorization standards, including OAuth 2.0.
• Develop automated unit and integration tests and participate in performance, load, and quality testing activities.
• Participate in peer code reviews and contribute to engineering best practices and continuous improvement initiatives.
• Troubleshoot and resolve application, integration, and production support issues.
• Contribute to CI/CD pipeline automation, deployment processes, and operational support activities.
• Create and maintain technical documentation, deployment guides, and operational runbooks.

Skills

RESTful APIs

Java

Spring Boot

OAuth 2.0

Cloud platforms AWS/Azure/GCP

API gateway Apigee

Kafka/SQS/SNS

CI/CD

Testing

Tools

AWS

Azure

GCP

Spring Boot

Job description

Caterpillar Inc. is seeking a Software Engineer on Cat Digital Platform to build scalable, secure cloud solutions and APIs for data, services, and customers worldwide.

You will design, test, and deliver backend systems with a strong emphasis on quality, reliability, and operational readiness. The role emphasizes collaboration across engineering, product, and business teams, with participation in CI/CD, code reviews, and technical documentation.