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Ruby On Rails Contractor Jobs in San Francisco, CA

Clinch

Rails Engineer (Jobvite)

San Francisco, CA · On-site

The majority of our platform is a Ruby on Rails web application, using a MySQL database for storage, running on Ubuntu Linux. Our infrastructure runs on AWS. We use MiniTest and Webdriver to ...

Ascend

Senior Software Engineer

San Francisco, CA

$200K - $250K/yr

Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers and designers to solve customer challenges directly Objective #2: In your first 60 days: * Take ...

Evidation

Front End Engineer

Menlo Park, CA · On-site

Our Front End Engineering team is using cutting edge technologies like AngularJS, React-Native, and Ruby on Rails. We need best-in-class Front End engineers to help us build new products and scale ...

Evidation

Front End Engineer

Menlo Park, CA

Our Front End Engineering team is using cutting edge technologies like AngularJS, React-Native, and Ruby on Rails. We need best-in-class Front End engineers to help us build new products and scale ...

Ascend

Senior Software Engineer

San Francisco, CA · On-site

$200K - $225K/yr

  • Medical

  • Retirement

  • PTO

Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers and designers to solve customer challenges directly Objective #2: In your first 60 days: * Take ...

Ascend

Senior Software Engineer

San Francisco, CA · On-site

$200K - $225K/yr

  • Medical

  • Retirement

  • PTO

Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers and designers to solve customer challenges directly Objective #2: In your first 60 days: * Take ...

Ascend

Software Engineer

San Francisco, CA

$160K - $200K/yr

Ruby on Rails API hosted on Heroku * Next.js with TypeScript hosted on Vercel * Tailwind CSS across all frontend development * Postgres and Redis for storage * Continuous integration and delivery ...

Shipstr

Vice President of Engineer

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Must Have * 5+ years of experience in designing and building software using Ruby on Rails * Strong algorithms, data structures and programming background * Strong technical background * A good grasp ...

Shipstr

Vice President of Engineer

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Must Have 5+ years of experience in designing and building software using Ruby on Rails Strong algorithms, data structures and programming background Strong technical background A good grasp of ...

Sift Science, Inc

Full-Stack Engineer

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Ruby, Ruby on Rails, Java, Dropwizard, Google Cloud Platform, Kubernetes, Kafka, BigTable, Spanner Graph DB, Postgres, Redis, gRPC, Python, Apache Airflow, Snowflake, BigQuery FE Technical stack:

Sift Science, Inc

Full-Stack Engineer

San Francisco, CA · On-site +1

$140K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Ruby, Ruby on Rails, Java, Dropwizard, GCP, Kubernetes, Kafka, BigTable, Spanner Graph DB, Postgres, Redis, gRPC, Python, Apache Airflow, Snowflake, BigQuery FE Technical stack: ReactJS, React, React ...

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Showing results 21-40

All JobsRuby On Rails Contractor JobsRuby On Rails Contractor Jobs in San Francisco, CA

Ruby On Rails Contractor information

See San Francisco, CA salary details

$30K

$143.9K

$202.1K

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

As of Aug 17, 2026, the average yearly pay for ruby on rails contractor in San Francisco, CA is $143,871.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,800.00 and $165,500.00 per year, depending on experience, location, and employer.

What is a Ruby on Rails contractor?

Ruby on Rails contractors are professionals who specialize in building web applications using the Ruby on Rails framework. They are typically hired on a contract basis, either for short-term projects, specific features, or to augment in-house development teams. These contractors handle tasks such as backend development, API integration, database management, and sometimes front-end work, all centered around the Rails ecosystem. Their expertise allows businesses to rapidly develop, maintain, or upgrade web applications efficiently.

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 programming skills in Ruby, expertise in the Rails framework, and a solid understanding of web application architecture, typically backed by experience or a relevant degree. Familiarity with tools like Git, PostgreSQL/MySQL, RESTful APIs, and deployment platforms such as Heroku or AWS is often required. Excellent problem-solving, time management, and communication skills help contractors efficiently collaborate with clients and teams. These skills ensure high-quality, maintainable code and successful project delivery in competitive, fast-paced environments.

What are some common challenges Ruby on Rails contractors face when joining a new development team?

Ruby On Rails Contractors often need to quickly adapt to existing codebases and team workflows, which can pose challenges if documentation is sparse or coding standards differ. Additionally, contractors must rapidly build rapport with permanent team members to ensure smooth collaboration, particularly in agile environments. Balancing multiple projects or client expectations can also require strong time management and communication skills. Being proactive about asking questions and clarifying requirements can help overcome these hurdles and contribute effectively from the start.

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

AspectRuby On Rails ContractorRuby On Rails Developer
CredentialsTypically no formal certification required, but experience is keyOften holds a degree or certification in computer science or related fields
Work EnvironmentFreelance, project-based, often remoteFull-time or part-time employment within a company or agency
Employer & Industry UsageHired by various clients across industries for specific projectsEmployed by companies to develop and maintain applications
Search & Comparison IntentLooking for flexible, short-term project workSeeking ongoing, in-house or remote development roles

In summary, a Ruby On Rails Contractor is typically a freelance professional hired for specific projects, offering flexibility and diverse experience. A Ruby On Rails Developer usually works as a full-time employee, focusing on long-term application development within a company. Both roles require strong Rails skills but differ mainly in employment type and work setup.

What are popular job titles related to Ruby On Rails Contractor jobs in San Francisco, CA?

For Ruby On Rails Contractor jobs in San Francisco, CA, the most frequently searched job titles are:

What job categories do people searching Ruby On Rails Contractor jobs in San Francisco, CA look for?

The top searched job categories for Ruby On Rails Contractor jobs in San Francisco, CA are:

What cities near San Francisco, CA are hiring for Ruby On Rails Contractor jobs?

Cities near San Francisco, CA with the most Ruby On Rails Contractor job openings:

Ruby On Rails Contractor jobs near you
Infographic showing various Ruby On Rails Contractor job openings in San Francisco, CA as of August 2026, with employment types broken down into 85% Full Time, 4% Part Time, and 11% Contract. Highlights an 76% In-person, and 24% Remote job distribution, with an average salary of $143,871 per year, or $69.2 per hour.

Ruby on rail with Java/Springboot

Group Nine

San Francisco, CA • On-site

$61.75 - $79.75/hr

Other

Posted 6 days ago

Job description

Full-Stack (Ruby/Java) Tech Lead

San Francisco, CA

Job Summary

We are looking for a seasoned Tech Lead and full-stack engineer with deep Ruby expertise to lead our development team in building high-quality, scalable web applications.

This role demands someone who can manage multiple concurrent workstreams — from backend platform development to front-end feature delivery — while providing hands-on technical guidance, architecting solutions, and mentoring engineers across the stack.

You will be the technical anchor for the team, driving quality and delivery across Ruby on Rails, Java, and React codebases.

Key Responsibilities

1. Technical Leadership & Architecture

  • Lead and oversee the development team across multiple parallel workstreams, ensuring consistent quality and delivery velocity.
  • Define and evolve the technical architecture across:
    • Ruby on Rails services
    • Java / Spring Boot backends
    • React frontends
  • Make pragmatic technology decisions that balance long-term scalability with near-term delivery needs.
  • Own technical standards, coding conventions, and architectural patterns across the full stack.

2. Multi-Stream Management

  • Coordinate and prioritize work across concurrent tracks, such as:
    • New feature development
    • Platform hardening
    • Bug triage
    • Technical debt reduction
  • Proactively unblock engineers by:
    • Triaging technical blockers
    • Decomposing ambiguous work into actionable tasks

Setting clear technical direction for each stream

Apply