Senior Ruby on Rails + AI Engineer jobs in United States
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Cactus · 1 month ago

Senior Ruby on Rails + AI Engineer

positionSan Mateo, CA
timeFull-time
remoteOnsite
seniorityMid, Senior Level
money$120K/yr - $150K/yr

Cactus is a well-funded, YC-backed seed-stage startup focused on building the AI Operating System for home services companies. The Senior Ruby on Rails + AI Engineer will work closely with the co-founder & CTO to develop new features, shape the product, and ensure a robust tech stack, while leveraging AI technologies.

Artificial Intelligence (AI)B2BSaaSSoftware
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H1B Sponsor Likelynote

Responsibilities

Developing new features for the platform
Shaping the product and building the AI platform
Creating internal tools and integrations
Ensuring the tech stack is robust
Owning and shipping features end-to-end

Qualification

Ruby on RailsAI implementationFull-stack developmentHTTPJavaScriptHTMLCSS

Required

Experience building web applications end-to-end with Ruby on Rails
Comfortable with the staples of full-stack web development: HTTP, HTML, JavaScript, and CSS
Ability to take ownership of large features - architect, build, and deploy them to production independently
Enjoy writing code and creating delightful products
Excited to wear multiple hats and eager to learn

Preferred

Experience with implementing AI

Benefits

Health, dental, life, and vision insurance
Company offsite to attractive locations

Company

Cactus

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Cactus offers AI-driven tools to handle admin tasks, qualify leads, manage schedules, answer calls, and engage clients.
dateFounded in 2024
location
San Francisco, California, USA
people-size0-1 employees
web-link
https://oncactus.com

H1B Sponsorship

Cactus has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)

Funding

Current Stage
Early Stage
Total Funding
$7.5M
Key Investors
Y Combinator
2025-11-05Seed· $7M
2025-07-01Seed
2025-06-14Pre Seed· $0.5M

Leadership Team

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Avinash Joshi
Co-Founder & CTO
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Recent News

thesaasnews.com
Cactus Raises $7 Million in Seed Round
2025-11-07
PR Newswire
Cactus Raises $7M Seed Round to Launch AI Copilot for Home Service Businesses
2025-11-05
Company data provided by crunchbase