Senior Automation Test Engineer - APIs & Microservices

Caterpillar Brazil; Irving (TX); On-site; USD 113,000 - 183,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

Paid time off (vacation, holidays)

401(k) savings plans

Health Savings Account

Tuition Reimbursement

Job summary

Caterpillar is seeking a Senior Software Test Engineer in Irving, TX, to help build the Autonomy Services Platform by creating scalable automation for microservices, REST APIs, and distributed workflows. This hands-on role focuses on quality and reliability for AI-enabled testing at global scale.

You will design tests, validate AI-generated code, and integrate tests into CI/CD pipelines, collaborating with developers, architects, and product teams to ensure release readiness.

Qualifications

• Hands-on experience building test automation for backend microservices and cloud-native apps.
• Experience testing Java 17+ and Spring Boot services using JUnit, Mockito, Testcontainers, WireMock, REST Assured, Cucumber, or equivalent frameworks.
• Proficient with AWS, Docker, Kubernetes, CI/CD pipelines, Kafka or similar messaging platforms, and automated test-environment setup.
• Practical experience building automation with AI-assisted coding platforms with structured context, verification criteria, and human review.
• Strong understanding of API contracts, state management, asynchronous processing, retries, idempotency, observability, resiliency, performance, and security testing.

Responsibilities

• Design and build automated test frameworks for Java/Spring Boot microservices, REST APIs, event-driven services, databases, and distributed workflows.
• Create API, contract, component, integration, end-to-end, regression, performance, resilience, and failure-recovery tests for autonomy platform services.
• Review and validate AI-generated test code for correctness, security, maintainability, coverage, and alignment with engineering standards.
• Validate asynchronous processing, state transitions, retries, timeouts, duplicate requests, message ordering, idempotency, backpressure, and partial-failure recovery.
• Integrate automated tests into CI/CD pipelines and define quality metrics, release-readiness criteria, and actionable feedback for engineering teams.
• Partner with developers, architects, product teams, and mission teams to translate requirements and service contracts into executable tests and mentor others.

Skills

Java/Spring Boot

Test automation

API testing

Microservices

AWS

Docker/Kubernetes

CI/CD

AI-assisted coding

Observability

Security testing

Tools

JUnit

Mockito

Testcontainers

WireMock

REST Assured

Cucumber

GitHub Copilot

Job description

Caterpillar is seeking a Senior Software Test Engineer in Irving, TX, to help build the Autonomy Services Platform by creating scalable automation for microservices, REST APIs, and distributed workflows. This hands-on role focuses on quality and reliability for AI-enabled testing at global scale.

You will design tests, validate AI-generated code, and integrate tests into CI/CD pipelines, collaborating with developers, architects, and product teams to ensure release readiness.