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Ruby On Rails Developer Contract Jobs (NOW HIRING)

Ruby on Rails Developer

Kennett Square, PA · On-site

$99K - $135K/yr

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 ...

Ruby On Rails Developer

Columbia, SC · Remote

$94K - $130K/yr

Title: Ruby On Rails Developer Location: Columbia, SC Duration: 7 months Job ID: 7510 Pay rate: 95/ Hour on C2C THIS IS 100% REMOTE POSITION REQUIRED SKILLS (RANK IN ORDER OF IMPORTANCE): * RUBY ...

Ruby on rails Developer

Columbia, SC · Remote

$94K - $130K/yr

Qualifications This is a 12 month contract to update and expand an existing Ruby on Rails ... Extensive knowledge in using programming languages. May require a bachelor's degree in a related ...

RUBY ON RAILS DEVELOPER

Detroit, MI · On-site

$101K - $139K/yr

Learn Full stack web development using Ruby on Rails, AngularJS, HTML5, CSS3, SASS, HAML/Slim ... engineering is preferred. Additional Information All your information will be kept confidential ...

RUBY ON RAILS DEVELOPER

Detroit, MI · On-site

$101K - $139K/yr

Learn Full stack web development using Ruby on Rails, AngularJS, HTML5, CSS3, SASS, HAML/Slim ... engineering is preferred. Additional Information All your information will be kept confidential ...

Ruby on Rails Developer

Scottsdale, AZ

$103K - $141K/yr

... programming and design fundamentals Strong JavaScript and CSS fundamentals 5+ years professional web development experience in related technologies 3+ years Ruby on Rails experience 2+ years ...

Ruby on Rails Developer

Scottsdale, AZ

$103K - $141K/yr

... programming and design fundamentals Strong JavaScript and CSS fundamentals 5+ years professional web development experience in related technologies 3+ years Ruby on Rails experience 2+ years ...

Ruby and Rail Developer

Durham, NC · On-site

$99K - $135K/yr

Ruby & Rail Developer Location: 5 days/month (MEET UP WEEK --- this might go above and beyond the ... Ruby on Rails, Node, AWS, Docker, Jenkins, Postgres, MacOS * In addition, Strong skills on CI/CD ...

Ruby on Rails developer

Jersey City, NJ · On-site

$107K - $146K/yr

... contract-to-hire, and permanent staffing. Desired Profile: Is an expert in Ruby with a ... Experience in ruby on rails, javascript, HTML, CSS, Coffe Script, SASS, jQuery and other similar ...

Junior Ruby on Rails Developer

San Jose, CA

$120K - $164K/yr

Junior Ruby on Rails Developer (with experience on JAVA, front-end technologies such as JavaScript, HTML, CSS and JQuery, MVC, Mocking, ORM, and RESTful etc.) Job Location : San Jose, California (San ...

Senior Ruby on Rails Backend Developer

Springville, UT · On-site

$131K - $162K/yr

Ruby on Rails with PostgreSQL are our core technologies. Ultimately, we are looking for a top-level Senior Ruby on Rails Developer that can create, clean, organize, and write functional code that ...

Sr. Ruby Developer

Saint Louis, MO · On-site

$138K - $170K/yr

NAVA Software solutions is looking for a Ruby on Rails Developer Role: Sr. Ruby Developer Location: St. Louis, MO - Remote work is also ok Duration: 6-12 months Start Date: ASAP Number of Positions ...

Ruby on Rails Developer

Scottsdale, AZ

$103K - $141K/yr

This resource will work closely with our internal engineers on normally scheduled feature work for Online Store. This work will include Ruby, Rails, JavaScript, and CSS programming, implemented using ...

Ruby on Rails Dev

Washington, DC

$116K - $159K/yr

... months contract to perm Roll perm $90,000-$105,000 Our client is seeking a Ruby on Rails Developer to work on mobile and web application development. The ideal candidate has a strong engineering ...

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Ruby On Rails Developer Contract information

See salary details

$25.5K

$122.1K

$171.5K

How much do ruby on rails developer contract jobs pay per year?

As of Jun 6, 2026, the average yearly pay for ruby on rails developer contract in the United States is $122,113.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,500.00 and $140,500.00 per year, depending on experience, location, and employer.

What is a Ruby On Rails Developer Contract job?

A Ruby on Rails Developer Contract job is a temporary role where a developer is hired to build, maintain, or improve applications using the Ruby on Rails framework. These contracts can range from a few months to a year or more, depending on the project's scope. Contractors typically work on web applications, backend systems, or API development. They may be hired by startups, agencies, or larger companies looking for specialized expertise without committing to a full-time role.

What are the key skills and qualifications needed to thrive in the Ruby On Rails Developer Contract position, and why are they important?

To thrive as a Ruby On Rails Developer Contract, you need strong proficiency in Ruby, Rails framework, RESTful APIs, and SQL databases, typically demonstrated through professional experience or relevant computer science education. Familiarity with version control systems like Git, testing frameworks (such as RSpec), and deployment tools is essential, while certifications or open-source contributions can be advantageous. Excellent problem-solving skills, adaptability, and effective communication are crucial soft skills for collaborating with distributed teams and delivering client-focused solutions. These abilities are vital to ensure robust, maintainable code and successful project outcomes within contract-based, time-sensitive work environments.

What are the typical day-to-day responsibilities for a contract Ruby On Rails Developer?

As a contract Ruby On Rails Developer, your daily tasks usually include developing and maintaining web applications, writing clean backend code, integrating third-party services, and troubleshooting technical issues as they arise. You'll often participate in virtual standups or meetings with cross-functional teams, collaborate on feature planning, and provide input on best practices for code quality and application architecture. Additionally, you may be responsible for writing tests, updating documentation, and assisting with direct deployments depending on the team's workflow. This dynamic environment provides opportunities to work with various technologies and businesses, making each contract both challenging and rewarding.

More about Ruby On Rails Developer Contract jobs
What cities are hiring for Ruby On Rails Developer Contract jobs? Cities with the most Ruby On Rails Developer Contract job openings:
What are the most commonly searched types of Ruby On Rails Developer jobs? The most popular types of Ruby On Rails Developer jobs are:
What states have the most Ruby On Rails Developer Contract jobs? States with the most job openings for Ruby On Rails Developer Contract jobs include:
Infographic showing various Ruby On Rails Developer Contract job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $122,113 per year, or $58.7 per hour.
Ruby on Rails Developer

Ruby on Rails Developer

Caterpillar

Kennett Square, PA • On-site

$99K - $135K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago


Caterpillar Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 458 frontline employees who took The Breakroom Quiz

218th of 417 rated machine equipment manufacturers


Job description

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 (6+). 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.
What You Will Do:
  • Design, develop and maintain Ruby on Rails applications in the energy space.
  • Collaborate with business and operational stakeholders to define new features.
  • Collaborate with team members to build new features and enhance existing ones.
  • 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.
  • Assist in shared DevOps duties including infrastructure management and code deployment.
  • Troubleshoot and resolve complex technical issues.
  • Provide guidance and mentorship to less-experienced developers.

Required Proficiencies:
  • Automated testing (Rspec, Capybara, etc.)
  • 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 Will Put You Ahead:
  • 5+ years of recent professional experience in full-stack Ruby on Rails development
  • Data Streaming (Flink, Kafka, Kinesis)
  • Python, Go
  • AWS IoT
  • Figma
  • Energy/Power Markets experience

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.

Additional Information:
  • Relocation assistance is 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.

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
This position requires working onsite five days a week.
Relocation is available for this position.
Visa Sponsorship is not available for this position.
Posting Dates:
May 26, 2026 - June 9, 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.
Not ready to apply? Join our Talent Community.

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