Ruby Engineer

A well-established technology organization is seeking a Ruby-focused contractor to support a time-sensitive modernization initiative. This role centers on upgrading a legacy USPS shipping integration to the latest REST-based USPS API v4. The engagement is fully remote, contract-based, and designed for an engineer who can work independently and deliver within a clearly defined scope. This project is ideal for a seasoned engineer who enjoys short-term, high-impact contract work without long-term overhead. The scope is well-documented, the expectations are clear, and collaboration is lightweight. You’ll take ownership of a critical integration upgrade while working with a team that values clean execution and minimal bureaucracy. Required Skills & Experience • Strong experience with Ruby and Ruby on Rails • Hands-on experience working with RESTful APIs • Experience writing or maintaining Ruby gems • Comfort working in an existing, non-greenfield codebase • Ability to work independently with minimal supervision • Prior contract or consulting experience Desired Skills & Experience • Experience with shipping or logistics APIs (USPS, FedEx, UPS, etc.) • Familiarity with OAuth 2.0 authentication flows • JavaScript experience (any framework or vanilla JS) • Exposure to Angular-based front-end applications What You Will Be Doing Tech Breakdown • 70% Ruby / Ruby Gem development • 20% API integration & data mapping • 10% JavaScript / front-end support Daily Responsibilities • 85% Hands-on coding and implementation • 10% Team collaboration (standups, reviews) • 5% Documentation and handoff The Offer • Fully remote work environment Applicants must be currently authorized to work in the US on a full-time basis now and in the future. Posted By: Esteban Medina