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Ruby On Rails Contract Jobs in Ontario, CA (NOW HIRING)

Kajabi

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

Responsibilities : • Design, build, and maintain scalable systems and APIs in Ruby on Rails and React. • Take ownership of systems end to end including reliability, observability, and long-term ...

Kajabi

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

Responsibilities : • Design, build, and maintain scalable systems and APIs in Ruby on Rails and React. • Take ownership of systems end to end including reliability, observability, and long-term ...

Kajabi

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

Responsibilities : • Design, build, and maintain scalable systems and APIs in Ruby on Rails and React. • Take ownership of systems end to end including reliability, observability, and long-term ...

Kajabi

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

Responsibilities : • Design, build, and maintain scalable systems and APIs in Ruby on Rails and React. • Take ownership of systems end to end including reliability, observability, and long-term ...

Kajabi

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

Design, build, and maintain scalable systems and APIs in Ruby on Rails and React. * Take ownership of systems end to end including reliability, observability, and long-term maintainability. * Use AI ...

Amazon

Application Builder, Ring.com Team

Irvine, CA

... Ruby on Rails and Java in the services behind them. The successful candidate will be comfortable operating in an ambiguous space, with strong technical ability, project management skills, and a ...

Amazon

Application Builder, Ring.com Team

Irvine, CA

... Ruby on Rails and Java in the services behind them. The successful candidate will be comfortable operating in an ambiguous space, with strong technical ability, project management skills, and a ...

Jiffy

Sr. Software Development Engineer

Irvine, CA

$131K - $173K/yr

Experience with Ruby on Rails and Solidus / Spree, or other large-scale e-commerce platforms. * Modern Front End: Experience with React 19, TypeScript, GraphQL (Apollo), Tailwind, and modern state ...

Jiffy

Sr. Software Development Engineer

Irvine, CA · On-site

$131K - $173K/yr

Experience with Ruby on Rails and Solidus / Spree, or other large-scale e-commerce platforms. * Modern Front End: Experience with React 19, TypeScript, GraphQL (Apollo), Tailwind, and modern state ...

Amazon

Application Builder, Ring.com Team

Irvine, CA · On-site

Our stack centers on TypeScript and AWS CDK, with React, Next.js, and Angular on the front end and Ruby on Rails and Java in the services behind them. The successful candidate will be comfortable ...

Wilson & Company

Rail Project Manager

San Bernardino, CA · On-site

$130K - $175K/yr

Experience serving as project manager or deputy project manager on rail or transportation ... contract documents, project controls, and client-specific design criteria, including railroad and ...

ProVenture, LLC

Physical Therapist - Travel Contract

Perris, CA · On-site

$1.6K - $2.1K/wk

Enjoy full-time pay, benefits, and relocation assistance in travel contracts that let you explore ... railway museums on the West Coast. Downtown Riverside is about 20 miles away and offers the Mission ...

Jackson Therapy

Physical Therapist - Travel Contract

Perris, CA · On-site

$1.6K - $2.1K/wk

Enjoy full-time pay, benefits, and relocation assistance in travel contracts that let you explore ... railway museums on the West Coast. Downtown Riverside is about 20 miles away and offers the Mission ...

GFT.

Rail Bridge Engineer

Irvine, CA · On-site

$108K - $150K/yr

GFT is seeking a Rail Bridge Engineer to join our Transportation Team in one of the following SoCAL ... Interpret changes in the contract and advises management on needed changes. * Maintain professional ...

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Showing results 1-20

All JobsRuby On Rails Contract JobsRuby On Rails Contract Jobs in Ontario, CA

Ruby On Rails Contract information

See Ontario, CA salary details

$25.9K

$124.2K

$174.5K

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

As of Aug 19, 2026, the average yearly pay for ruby on rails contract in Ontario, CA is $124,243.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,300.00 and $143,000.00 per year, depending on experience, location, and employer.

What is a Ruby on Rails contract developer?

A Ruby on Rails contract developer is a software engineer who is hired on a temporary or project basis to build, maintain, or enhance web applications using the Ruby on Rails framework. They typically work as independent contractors or through consulting agencies, rather than as full-time employees. Their responsibilities often include writing clean code, testing features, fixing bugs, and collaborating with other team members to deliver high-quality software solutions. Contract positions can range from short-term projects to ongoing support roles, offering flexibility for both the developer and the hiring company.

What are the key skills and qualifications needed to thrive as a Ruby on Rails contractor?

To thrive as a Ruby on Rails Contractor, you need strong proficiency in Ruby, Rails framework, web development fundamentals, and experience with relational databases, typically demonstrated through a portfolio or relevant work history. Familiarity with version control systems like Git, cloud platforms (e.g., AWS or Heroku), and testing frameworks such as RSpec is often required. Excellent problem-solving skills, effective communication, and the ability to work independently are standout soft skills for this role. These skills and qualities are crucial to deliver high-quality, scalable solutions on time while collaborating remotely with clients or teams.

What are some common challenges faced by Ruby on Rails contractors when joining new projects, and how can they be addressed?

Ruby on Rails contractors often face the challenge of quickly ramping up on existing codebases, which may have varying coding standards or lack comprehensive documentation. To address this, it's helpful to allocate initial time for codebase exploration and to communicate proactively with the team about architectural decisions and project expectations. Collaborating closely with in-house developers and participating in regular stand-ups or code reviews can also smooth the transition and ensure alignment with project goals.

What is the difference between Ruby On Rails Contract vs Ruby On Rails Developer?

AspectRuby On Rails ContractRuby On Rails Developer
Work TypeTemporary, project-basedFull-time or part-time employment
DurationFixed-term, often project-specificOngoing employment
CredentialsSame as developer, typically requiring experience in RailsSame as contract roles, often requiring similar skills
Work EnvironmentRemote or on-site, freelance or agency-basedCompany office or remote
Employer UsageClients, agencies, or companies hiring for specific projectsCompanies hiring for long-term roles

In summary, Ruby On Rails Contract roles are temporary, project-focused positions suitable for freelancers or agencies, while Ruby On Rails Developer roles are typically permanent positions within companies. Both require similar skills and credentials but differ mainly in duration and employment structure.

What job categories do people searching Ruby On Rails Contract jobs in Ontario, CA look for?

The top searched job categories for Ruby On Rails Contract jobs in Ontario, CA are:

What cities near Ontario, CA are hiring for Ruby On Rails Contract jobs?

Cities near Ontario, CA with the most Ruby On Rails Contract job openings:

Ruby On Rails Contract jobs near you

Sr. Software Engineer (Ruby on Rails)

Triveni IT

Irvine, CA • On-site

Other

Re-posted 21 days ago

Job description

Triveni is a technology company located in the New York City area. Triveni utilizes agile technologies to develop solutions for our clients. We are seeking highly-motivated engineers to join our team. The successful candidate will focus on the engineering and development of complex business requirements. We provide a casual work environment where hard work is rewarded.
Location - Irvine, CA
Duration - 6-12 months CTH
Start Date - ASAP
Visa Status - Citizens, and those who are authorized to work can apply for this position. We cannot sponsor visa for this position.
Sr. Software Engineer ( Ruby on Rails) - POSITION SUMMARY

This hands-on engineering position will have a full range of responsibilities to evolve and support a host of our direct clients applications and cloud infrastructure through a strong understanding of algorithm, data structure and cloud architecture. From incorporating cutting edge technologies to designing robust customer-centric solutions that scale, the Software Engineer will rely on a skill set that includes Java, Ruby on Rails, MySql/MS SQL. This position plays an integral role supporting our team, product, clients and company as we grow our SaaS based offerings.

PRIMARY RESPONSIBILITIES (include but are not limited to)

  • Learn our cloud-based application and our human business process.
  • Reduce risk by identifying a portion of the application code that can modularized into its own service; set up an API between that service and the main application.
  • Convert product backlog into implemented features.

Our Clients Environment:

  • Pair programming Ruby on Rails and ReactJS -- with some independent work as well.
  • Agile methodology / Test-First implementation.
  • Document as-needed.
  • GitHub for source code revisioning
  • AWS

QUALIFICATIONS AND EDUCATION REQUIREMENTS

  • B.S in Computer Science or equivalent degree (Required) / M.S in Computer Science (preferred)
  • 3-5 years as a full-stack software developer
  • 3+ year(s) architecting, implementing, and maintaining 100,000+ lines of code web applications using Ruby on Rails, JavaScript (React, Node, jQuery), HTML, CSS, and MySQL.
  • 2+ year(s) architecting, implementing, and maintaining REST API clients and a REST API server.

Nice to Have

  • ReactJS
  • SideKiq
  • Elasticsearch
  • Java

COMPETENCIES & PERSONAL ATTRIBUTES

  • Algorithm analysis / evaluation.
  • Oral and written communication skills: verbal, written, whiteboard, virtual / remote.
  • Strong interpersonal communication skills to enable successful interactions with internal and external users and stakeholders.
  • A change agent and strong collaborator who is not afraid of challenging status quo
  • An individual who brings strong core values, quality, ethics, and integrity
  • A collaborative team player who embraces and champions the culture
  • Strong work ethic and ability to deliver results and meet commitments in a dynamic environment
  • Exceptional and dynamic communications skills with the ability to inspire and influence people at all levels, build consensus and commitment, and effectively drive change throughout the organization at a rate that fits the corporate culture
  • Demonstrates a business process orientation to developing solutions

Apply