Senior Engineer, Full-Stack – Ruby on Rails

FIXD Automotive, Inc.

Senior Engineer developing and maintaining AppraisalPRO platform. Leading technical direction and collaborating with customers for feature development.

Posted 7/15/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack development, particularly with Ruby on Rails and JavaScript/TypeScript, while effectively collaborating with customers to translate their needs into functional features. Proficient in building and maintaining B2B SaaS applications, with a strong focus on API integration and architectural decision-making.

Highest-signal resume keywords

Ruby On RailsJavaScript/TypeScriptReact NativePostgreSQLREST APIs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Ruby On RailsJavaScriptTypeScriptReactReact NativePostgreSQLRSpecAPI DevelopmentSDK DevelopmentGraphQL

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

AI Coding Tools

Industry Keywords

B2B SaaSWeb ApplicationsMobile Development

Tech Stack

Tools & technologies

GraphQLJavaScriptPostgresReactReact NativeRSpecRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

You'll help own AppraisalPRO end-to-end (backend, frontend, the app) and take a leading role in shaping our product and platform, with the autonomy to carry features from idea to production.
Build and maintain AppraisalPRO across the stack, from our Rails backend and APIs to the dealer-facing web app and our React Native mobile app
Own key architectural decisions across the stack and help set our technical direction
Contribute to the API and SDK that make up our developer platform
Collaborate with customers to understand their needs and translate them into features
Design, implement, test, deploy, and maintain backend and frontend features
Work closely with product to help deliver features and provide feedback on feasibility and timelines
Write and maintain reliable Ruby and JavaScript/TypeScript code
Create integrations with third-party APIs and services

Requirements

What you’ll need

5+ years building production web applications with Ruby on Rails and RSpec
JavaScript/TypeScript and React (we use React Native)
PostgreSQL
Familiarity with building and consuming REST APIs
Comfortable using AI coding tools to work efficiently
React Native or mobile development experience
Exposure to GraphQL
B2B SaaS product experience
Ability to ask the right questions about complicated tasks

Benefits

Comp & perks

401K with 5% employer's match
Medical, Dental, and Vision insurance
Paid holidays and time off
Remote work
Monthly allowance to spend on things you need for work
Paid parental leave