Ruby on Rails Developer - Enterprise Web Applications

Job Title: Ruby on Rails Developer - Enterprise Web Applications

Location: Dallas, TX (onsite or hybrid preferred)

Contract Type: W2 or C2C Contract (through CornerStone TTS)

Contract Vehicle: Texas DIR ITSAC (DIR-CPO-5794)

Client Industry: Academic Medical / Public Sector

Overview:

Client is actively seeking a Ruby on Rails Developer to support enterprise web application development for one of our long-standing public sector clients, a major academic medical institution based in Dallas. This role will augment their internal development team to support modernization, enhancement, and maintenance of critical web-based systems.

The ideal candidate will bring strong full-stack Ruby on Rails expertise, production experience in enterprise Linux environments, and familiarity with adjacent technologies like Redis, Sidekiq, PostgreSQL, and Vue.js. Prior experience supporting healthcare, research, or public sector systems is highly desirable.

Responsibilities:

Develop, enhance, and maintain Ruby on Rails applications (Rails 5 through 7), following MVC principles and clean coding standards.

Build user-facing features using HTML5, CSS3, JavaScript, and Vue.js.

Integrate with MySQL and PostgreSQL databases for queries, schema design, and performance tuning.

Implement and manage background jobs using Sidekiq and caching strategies with Redis.

Leverage authentication and authorization tools like Devise, Pundit, CanCan, and Rolify to meet secure access requirements.

Participate in code reviews, testing (RSpec, Minitest, factory_bot), and contribute to CI/CD pipelines (GitLab CI, Jenkins, etc.).

Collaborate with cross-functional teams to support interoperability with legacy .NET applications, MS SQL Server, and REDCap research platforms.

Ensure accessibility, security, and compliance with institutional and regulatory standards. Tech Stack Overview:

Languages/Frameworks: Ruby, Rails 5-7, ERB, Slim, Liquid

Frontend: HTML, CSS (Sass), JavaScript, Vue.js

Backend/Data: PostgreSQL, MySQL, Redis, Sidekiq

Auth/Authorization: Devise, Pundit, CanCan, Rolify, Ransack

Tools/Testing: RSpec, Minitest, factory_bot, Git, GitLab CI, Jenkins

OS: Red Hat Enterprise Linux (RHEL) Qualifications:

5+ years of Ruby on Rails experience in enterprise or public sector environments

Strong SQL and data modeling skills with PostgreSQL/MySQL

Experience with modern JavaScript frameworks (Vue.js preferred)

Background in testing and CI/CD workflows

Prior exposure to healthcare, higher education, or research-focused systems is a plus

Strong communication and documentation skills Additional Info:

Start: ASAP (pending client coordination)

Duration: Ongoing contract (long-term potential)

Eligibility: Must be eligible to work in the U.S.