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Motion Recruitment
Senior Back End Ruby on Rails Engineer/AI/Startup/San Francisco

Senior Back End Ruby on Rails Engineer/AI/Startup/San Francisco

On site

San francisco, United states

Senior

Full Time

21-10-2025

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Skills

Ruby TypeScript MySQL PostgreSQL GraphQL Architecture react

Job Specifications

Founded in 2022 and backed by leading venture capital investors, we are building next-generation software designed to simplify complex business processes and create exceptional user experiences. By embedding AI throughout our platform, we streamline workflows, boost productivity, and unlock new possibilities for organizations of all sizes.
We're looking for an experienced Backend Engineer with strong Ruby on Rails expertise to help build and scale customer-facing applications. You'll take ownership of critical parts of the platform, collaborating closely with Front End engineers and product teams to deliver impactful features and a seamless user experience.
This role is onsite in San Francisco. Required Skills & Experience
4+ years of Ruby on Rails experience
Strong database knowledge such as PostgreSQL or MySQL
Prior experience working in Series B startup
Experience with service oriented architecture such as GraphQL and REST Desired Skills & Experience
Bachelors Degree in Computer Science or equivalent experience
Experience working with React and TypeScript
Familiarity with AI tools What You Will Be Doing Tech Breakdown
95% Ruby on Rails
5% React and TypeScript Daily Responsibilities
85% Hands On
15% Team Collaboration The Offer
Bonus eligible
You will receive the following benefits:
Medical, Dental, and Vision Insurance
401K matching
Vacation Time
Stock Options
Applicants must be currently authorized to work in the US on a Full time basis now and in the future.

About the Company

Motion Recruitment delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery centers. Our high-touch, specialized, team-based recruitment model’s success is proven through our exemplary track record in filling the most challenging IT positions for startup and enterprise clients alike. Our hyper-specialized tech focus results in a truly consultative approach for both our clients and candidates, within our recruiting areas of expertise: Software... Know more