Ruby on Rails Developer

Career Area:
Technology, Digital and Data
Job Description:
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
About Tangent Energy Solutions:
Tangent Energy Solutions is a wholly owned subsidiary of Caterpillar, a global leader in the manufacturing of construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Headquartered in Kennett Square, Pennsylvania, Tangent Energy Solutions was established in 2009 to provide innovative energy solutions for commercial and industrial customers.
We are looking for an experienced Ruby on Rails Developer to join our team. The ideal candidate will have a solid understanding of the Ruby on Rails framework and experience working with its recent versions (7+). Additionally, the candidate should have experience working with core AWS cloud technologies. This is a full-time, in-office role, reporting Monday through Friday to our office in Kennett Square, Pennsylvania.
Role Responsibilities:

• Design, develop and maintain Ruby on Rails applications
• Work collaboratively with other team members to build new features and enhance existing ones
• Learn and understand power market rules and write code to interface with grid operator APIs
• Ensure code quality and maintainability by writing tests, conducting code reviews, and following industry best practices
• Troubleshoot and resolve complex technical issues
• Provide guidance and mentorship to less-experienced developers

Required Proficiencies:

• Ruby on Rails (at least 5 years of recent professional experience)
• Automated testing (Rspec, FactoryBot)
• Core AWS services (RDS, EC2, Fargate, ECS, SES, SNS, S3, Cloudwatch, IAM)
• AWS IAC (Infrastructure As Code)
• MySQL/Aurora
• Git Hub Enterprise / GitHub Actions
• HTML 5, CSS 3
• Agile SDLC

What You Will Have:
Decision Making and Critical Thinking: Knowledge of the decision-making process and associated tools and techniques.

• Applies an assigned technique for critical thinking in a decision-making process.
• Identifies, obtains, and organizes relevant data and ideas.
• Participates in documenting data, ideas, players, stakeholders, and processes.
• Recognizes, clarifies, and prioritizes concerns.
• Assists in assessing risks, benefits and consideration of alternatives.

Software Integration Engineering: Knowledge of software integration processes and functions.

• Has experience with designing data exchange interfaces to and from software product.
• Describes tools and techniques for extraction, transformation and loading of electronic data.
• Cites examples of common linkage requirements for software products and vendors.
• Works with integrating software into the customer or partner framework and infrastructure.
• Participates in the development of technology interfaces and bridges.

Software Product Design/Architecture: Knowledge of software product design.

• Identifies basic design methods and design tools.
• Identifies major components of functional and technical design.
• Cites examples of good and bad designs.
• Describes tasks, activities, deliverables and key concerns of technical design.

Software Product Technical Knowledge: Knowledge of technical aspects of a software products.

• Maintains and utilizes data related to install base configurations and environments.
• Solicits customer feedback; reports and monitors bugs and implementation issues.
• Participates in defining and conducting technical acceptance tests.
• Participates in creating technical requirements for software development and deployment.
• Explains basic environment and product configuration options.

What Will Put You Ahead:

• Data Streaming (Flink, Kafka, Kinesis)
• Python
• Go
• AWS IoT

Additional Information:

• Relocation assistance is not available for this position.
• Visa sponsorship is not available for this position.
• This position requires the candidate to work a 5-day-a-week schedule in the office. Business needs may require weekend scheduling.

If you are passionate about software development and want to work for a fast-growing Energy As A Service (EaaS) company, please apply to join our team.
Our goal at Caterpillar is for you to have a rewarding career. Here you earn more than just a salary because we value your performance. We offer a total rewards package that provides benefits on day one (medical, dental, vision, RX, and 401K) along with the potential of an annual bonus. Additional benefits include paid vacation days and paid holidays.
#LI #PA
Summary Pay Range:
$97,530.00 - $158,480.00
Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.

• Medical, dental, and vision benefits*
• Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
• 401(k) savings plans*
• Health Savings Account (HSA)*
• Flexible Spending Accounts (FSAs)*
• Health Lifestyle Programs*
• Employee Assistance Program*
• Voluntary Benefits and Employee Discounts*
• Career Development*
• Incentive bonus*
• Disability benefits
• Life Insurance
• Parental leave
• Adoption benefits
• Tuition Reimbursement

* These benefits also apply to part-time employees
Posting Dates:
January 23, 2026 - January 28, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
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