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Contract Ruby Rails Jobs in California (NOW HIRING)

Convectivecapital

$150K - $200K/yr

Have built and shipped full‑stack applications -- fluency and comfort working with Ruby on Rails ... S. government contracts or export‑controlled systems. This can require eligibility for a U.S ...

AngelList

Senior Software Engineer, Banking

San Francisco, CA · On-site

$144K - $190K/yr

... build the service contracts and APIs that Product teams depend on. * Build for correctness ... Comfort working in a Ruby on Rails environment, or evidence that you'll ramp quickly. You're also ...

Checkr

Senior Machine Learning Engineer

San Francisco, CA · On-site

$144K - $190K/yr

Define API contracts with product engineers. Explain your approach clearly to non-ML partners and ... Ruby experience (Checkr's platform runs on Rails) * Familiarity with compliance-sensitive domains ...

Checkr

Senior Machine Learning Engineer

San Francisco, CA · On-site

$144K - $190K/yr

Define API contracts with product engineers. Explain your approach clearly to non-ML partners and ... Ruby experience (Checkr's platform runs on Rails) * Familiarity with compliance-sensitive domains ...

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All JobsContract Ruby Rails JobsContract Ruby Rails Jobs in California

Contract Ruby Rails information

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

AspectContract Ruby RailsContract Java Developer
Required CredentialsProficiency in Ruby, Rails framework, SQL, GitProficiency in Java, Spring framework, SQL, Git
Work EnvironmentStartups, tech companies, web development projectsEnterprises, financial institutions, large-scale applications
Employer & Industry UsageWeb app development, SaaS platformsBackend systems, enterprise solutions
Search & Comparison IntentOften compared for web development rolesCompared for enterprise backend projects

Contract Ruby Rails and Contract Java Developer roles share similarities in requiring programming expertise, version control, and work in tech environments. However, Ruby Rails focuses on web development with Ruby, while Java emphasizes enterprise backend solutions. Both are in high demand but serve different project types and industries.

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The most popular types of Ruby Rails jobs in California are:

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For Contract Ruby Rails jobs in California, the most frequently searched job titles are:

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Infographic showing various Contract Ruby Rails job openings in California as of September 2026, with employment types broken down into 2% As Needed, 65% Full Time, 30% Part Time, 2% Contract, and 1% Nights. Highlights an 87% Physical, 1% Hybrid, and 12% Remote job distribution.

Full Stack Security Software Engineer

On-site

Convectivecapital
See more jobs at Convectivecapitalexternal

$150K - $200K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

Full Stack Security Software Engineer

WindBorne Systems is supercharging weather forecasts with a unique proprietary data source: a global constellation of next‑generation smart weather balloons targeting the most critical atmospheric data. We design, manufacture, and operate our own balloons, using the data they collect to generate otherwise unattainable weather intelligence.

We're hiring a Senior Full‑Stack / Security Software Engineer to own core, security‑forward infrastructure. You will build robust systems that can handle business‑critical needs around data delivery, flight tracking, and other operational demands. You must be fluent with government‑compliant requirements as you will be the core owner ensuring internal systems can serve our growing contractual obligations.

We are a small team handling all the software that keeps our entire constellation in the air. Development speed and robustness/security/stability are not mutually exclusive; we value pragmatic decisions, high autonomy, low egos, and a willingness to get your hands muddy in the dirt.

Responsibilities
  • Data pipeline integrity — Balloon observations flow from satellite downlinks through processing workers into customer‑facing APIs. Ensuring this pipeline is reliable, tamper‑evident, and correctly permissioned is as important as making it fast.
  • Architecting core infrastructure to support projects requiring clearance.
Skills and Qualifications

You'd be a good fit if you:

  • Have built and shipped full‑stack applications — fluency and comfort working with Ruby on Rails, Postgres, or the ability to quickly and pragmatically learn on the job.
  • You’ve been responsible for 24/7 uptime systems. You can implement pragmatic best practices forged from real‑world, experienced pain of handling such a system.
  • Have worked in environments where data sensitivity was a real constraint — healthcare, defense, fintech, infrastructure, or similar.
  • Have experience with role‑based access control, secrets management, or data classification in production systems.
  • Want to work in‑person in Redwood Shores, CA with a small team where your decisions have immediate, visible impact.

Parts of this role may involve work on U.S. government contracts or export‑controlled systems. This can require eligibility for a U.S. security clearance or to be a U.S. citizen.

Benefits
  • 401(k)
  • Dental insurance
  • Health insurance
  • Vision insurance
  • Unlimited PTO
  • Stock Option Plan
  • Office food and beverages
Salary

$150k-$200k (We adjust offers to be competitive with market rates based on experience and background.)

Location

Address: 1600 Bridge Parkway, Redwood Shores, CA. In‑person required.

The position is in‑person.

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