Senior Ruby on Rails Engineer — AWS & AI Tools

JobCubby; Kennett Square, Northern (Chester County, KY); Hybrid; USD 113,000 - 183,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

Paid time off

401(k) savings plans

Career development

Job summary

Caterpillar Inc. in Kennett Square, PA is seeking a Senior Ruby on Rails Developer to design, build and maintain Rails applications focused on energy solutions.

You will collaborate with product and operations teams to define features and ensure scalable, well-tested code in a data-driven environment. In this full-time, in-office role, you will design ML-ready data pipelines, participate in system architecture reviews, lead code quality initiatives, and mentor junior developers while advancing

Qualifications

• Expert-level knowledge of Rails 7+ and core libraries.
• Strong automated testing for front-end and back-end.
• Experience with data-intensive, business-oriented web apps.
• Experience deploying Rails apps to AWS at scale.

Responsibilities

• Design, develop and maintain Ruby on Rails applications in the energy space
• Collaborate with business and operational stakeholders to define, plan, and deliver new features
• Design and implement ML-ready data pipelines
• Assist in DevOps duties including infrastructure management and code deployment
• Provide guidance to junior developers

Skills

Ruby on Rails expertise

Automated testing (Rspec, Capybara)

Full-stack web development

Cloud deployment (AWS)

Team mentorship

AI-assisted development awareness

Communication skills

Tools

Git

GitHub Enterprise

GitHub Actions

AWS

Docker

Job description

Caterpillar Inc. in Kennett Square, PA is seeking a Senior Ruby on Rails Developer to design, build and maintain Rails applications focused on energy solutions.

You will collaborate with product and operations teams to define features and ensure scalable, well-tested code in a data-driven environment. In this full-time, in-office role, you will design ML-ready data pipelines, participate in system architecture reviews, lead code quality initiatives, and mentor junior developers while advancing