Senior Full-Stack Software Engineer

Smalls

full-time

Posted on: 9/17/2025

Origin: • 🇺🇸 United States

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💰 $170,000 - $190,000 per year

Senior

DockerHerokuJavaScriptNode.jsPostgresReactRedisRubyRuby on RailsTypeScript

About the role

Design, build, and ship features across our stack (Rails + React) with a focus on performance, reliability, and scalability
Own complex projects end-to-end—from architecture to deployment—while contributing clean, testable, maintainable code
Collaborate closely with product, design, and other teams to translate business problems into thoughtful technical solutions
Provide guidance and mentorship to other engineers, raising the bar for code quality and engineering practices
Participate in code reviews, architecture discussions, and technical planning to ensure high standards across the team
Identify opportunities to improve and refactor the codebase, helping us scale sustainably
Troubleshoot and resolve system issues with urgency, always keeping the customer experience in mind
Contribute to building a strong engineering culture rooted in collaboration, learning, and delivering customer value

6+ years of software engineering experience, with proven full stack expertise
Strong proficiency with Ruby on Rails and React (or similar frameworks)
Experience designing and working with APIs and relational databases (PostgreSQL preferred)
Familiarity with infrastructure and tools like Docker, Redis, Heroku, Sidekiq, and background job processing
Solid understanding of software design principles and ability to balance technical trade-offs
Comfortable leading by example—mentoring peers, influencing technical direction, and driving projects to completion
Strong collaborator who thrives in cross-functional environments
Curious, adaptable, and eager to contribute beyond code
Huge plus: experience in DTC or subscription-based businesses
Huge plus: familiarity with TypeScript, Node.js, or Shopify ecosystems
Huge plus: experience with React, React router (SSR), Ruby on Rails and tools like Heroku, Postgres, Shopify, Stripe, Contentful
Huge plus: interest in scaling engineering processes and best practices