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Largeton Group

IT Software Engineer 4 (Senior SDET / Test Automation Engineer)

chicago, IL

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Job description

Senior SDET / Test Automation Engineer

Location: Chicago, IL. Hybrid: 3 days onsite per week from Day 1, moving to 5 days onsite in future. 12‑month contract; no travel required. In‑person interview is mandatory.

Position Overview

Senior SDET in a high-performing engineering team at Caterpillar.

Focus on designing, developing, and maintaining enterprise-level test automation frameworks.

Ensure software quality, reliability, and performance for modern applications.

Mentor junior engineers and drive testing best practices.

Key Responsibilities

Design, develop, and enhance Java-based test automation frameworks.

Develop automated functional, regression, integration, and API test suites.

Create and maintain automation scripts and frameworks.

Build automation for CI/CD pipelines.

Perform REST API, end-to-end integration, and scenario-based performance testing (JMeter).

Execute exploratory/manual testing as needed.

Develop test strategies, plans, cases, and data.

Collaborate with cross-functional teams (Product Owners, Developers, QA).

Troubleshoot defects, ensure product quality, and mentor team members.

Participate in Agile ceremonies and continuous improvement initiatives.

Review software quality standards and best practices.

Support SQL database validation.

Document testing processes and automation solutions.

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, or related field.

8+ years professional software testing/SDET experience.

Experience designing enterprise automation frameworks.

Strong SDLC understanding, problem-solving, and communication skills.

Able to work independently in a fast-paced Agile environment.

Technical Skills (Required)

Java (3‑5+ years)

Test Automation Framework Design (8+ years)

Cucumber & Karate (MUST HAVE)

REST API, Web Services, Integration, and End-to-End System Testing

JMeter (3+ years)

SQL and Relational Databases

Functional, Regression Testing, Test Strategy/Planning, Test Case/Data Creation

Preferred Skills

Python, AWS, Jenkins, Git, CI/CD, DevOps, Microservices, TDD

Code reviews, Agile/Scrum, Lean methodologies

Apigee/API gateways, Load/Performance Testing, Strong documentation

Soft Skills

Excellent verbal/written communication and collaboration

Adaptability, proactive, creative problem-solver

Leadership, mentoring, organizational, and time management skills

Team Environment

20+ engineers in a cross-functional Agile team

Close collaboration with Product Owners, Devs, QA

Hybrid work model in Chicago

Candidate Requirements

Must be local to Chicago or relocate at own expense before Day 1.

Stable employment history (no excessive job hopping).

Not eligible if seeking 100% remote work or unwilling to relocate.

Must have $billion manufacturing client experience in last 5 years.

Value Proposition

Opportunity to work on enterprise-scale automation and mission-critical platforms.

Exposure to modern CI/CD and DevOps practices.

Grow technical leadership and domain expertise.

Top Required Skills

Java Test Automation, Cucumber/BDD, Karate, REST API Testing, Framework Design, JMeter, SQL, Integration Testing, CI/CD, Agile, Java-based Automation Development.

Nice-to-Have Skills

Python, AWS, Jenkins, Git, Microservices, DevOps, TDD, Apigee, Load/Performance Engineering.

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Worksite address

chicago, IL, 60290, US

Who can apply

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