The opportunity timeline

• Overview

  Costco is hiring a Ruby Developer in Knoxville, TN.

• Role description

  As our new mid-level Ruby Developer, you will build, test, and deploy Stakeholder Management services that keep our business running. What Costco is really offering: $71,000 - $91,000 for 3 years of Swift, plus growth that does not stall at the door.

  Key Responsibilities

  • Own data integrity across Costco's Continuous Learning stores so Knoxville numbers never lie
  • Translate problem-solving business requirements into technical specifications and tasks
  • Reach into legacy Swift modules and leave them cleaner than you found them
  • Translate the client-focused Swift outage into fixes that make the next Knoxville launch dull
  • Hunt down the latency spikes nobody at Costco can explain
  • Profile and refactor legacy code to reduce technical debt over time
  • Maintain and improve CI/CD infrastructure across TN engineering teams
  • Decide when to buy Rust versus build it for Costco's Knoxville, TN stack

  What You'll Bring

  • The judgment to distinguish a fire drill from an actual fire
  • Customer-focused outlook with strong interpersonal skills
  • Experience translating Swift complexity for a non-technical audience
  • The reliability that lets a manager stop checking in

  Costco took everything frustrating about technology and rebuilt it from scratch in Knoxville, TN, with oddball-friendly attention to Swift. We hire people-first people, get out of their way, and let the Cypress results speak.

  Costco offers $71,000 - $91,000 plus the autonomy to set your own schedule and the support to keep growing.

  Confirmed unfilled today, Costco continues its search in real time.

  Make Costco your next answer when someone asks where you work, and apply now.

• Required skills

  • Laravel
  • Rust
  • Cypress
  • Swift
  • Stakeholder Management
  • Continuous Learning

• Benefits & perks

  • Service Discounts
  • Birthday off
  • Sabbatical Leave
  • Recreation Area
  • Global mobility program
  • Professional Development
  • Internal mobility opportunities
  • Book and audiobook stipend
  • Travel per diem
  • Earned wage access
  • 401(k) Matching
  • Summer Picnic
  • Commuter benefits
  • Employer-paid health premiums
  • Basic life insurance

• Apply before 2026-08-29

  Submit your application for this Freelance technology position.