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Full-Stack Ruby on Rails (RoR) & React Engineer

Crew Connectors
Lafayette, CA Full Time
POSTED ON 3/23/2026
AVAILABLE BEFORE 6/3/2026
$100K - $180K

  • 0.1% Equity

The company is a revolutionary construction finance Fintech platform that helps lenders and institutional asset managers track project progress, automate work verification, and speed up payments. The company is highly profitable and expanding 200% to 300% YoY with thousands of users and over $1B in funding requests flowing through the platform. We're looking for an experienced and entrepreneurial Full-Stack Ruby on Rails (RoR) Engineer (senior or above) to help achieve an ambitious growth plan that calls for new platform capabilities.

The fully remote team is distributed across the US. The team shares a customer-first mindset and a deep belief that technology will make construction finance more productive and fair for all.

Customers rely on the platform for construction project budgeting, virtual inspections, and draw management. This is mission-critical software and any bugs or outages have dramatic impact.

You will be a core member of the engineering team, working alongside peers with the support of a mature founding team expert who pioneered the concept and technologies of IoT (Internet of Things).

What you bring:

  • Deep knowledge of full-stack web development
  • Ideally, expertise in the Ruby on Rails ecosystem; this is no SPA
  • A track record of architecting, extending, launching, and maintaining apps in widespread use
  • Strong initiative, comfort with ambiguity, and openness to feedback
  • Experience or interest in serving a diverse user base
  • Passion

What you'll do:

  • Collaboratively define, refine, scope, and architect proposed functionality. If you aren't comfortable with startup-style requirements and some grey, this is not the place for you
  • Develop new functionality and maintain feature alignment with the mobile apps
  • Manage the end-to-end app lifecycle, including testing, release management, and monitoring
  • Build technical prototypes and R&D with emerging technologies
  • Help establish the culture and conventions of the development practice
  • Train and mentor others as the team scales

Technologies: Ruby on Rails, Hotwire, React, TypeScript, React Native, Tailwind, Postgres, Sidekiq

Experience with mobile, data engineering, machine learning, or 3D graphics is a plus but not required.

Salary : $100,000 - $180,000

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