Ruby on Rails Developer Enterprise Web Applications
Location: Dallas, TX (Onsite or Hybrid Preferred) Engagement Type: C2C Client Industry: Academic Medical / Public Sector Visa Status: Open to all visa types Compliance Requirement: Must comply with State of Texas DIR guidelines Start Date: ASAP Duration: Long-Term (Ongoing Contract)
Position Summary
We are seeking a Senior Ruby on Rails Developer to support enterprise web application development for a major academic medical institution in Dallas, TX. The selected candidate will work closely with internal teams on the modernization, enhancement, and maintenance of critical Ruby on Rails-based systems.
The ideal candidate is an experienced full-stack developer with deep Ruby on Rails expertise, familiarity with Vue.js, and the ability to contribute across the application lifecyclefrom design and development to deployment and support.
Key Responsibilities
- Design, develop, and maintain Ruby on Rails applications (Rails 57) using clean MVC architecture and RESTful principles.
- Build responsive and accessible user interfaces using HTML5, CSS3 (Sass), JavaScript, and Vue.js.
- Develop and optimize SQL queries for PostgreSQL and MySQL databases; manage schema migrations.
- Implement and manage background processing using Sidekiq and caching with Redis.
- Integrate authentication and authorization systems using tools like Devise, Pundit, CanCan, and Rolify.
- Collaborate with QA and DevOps to implement CI/CD workflows using GitLab CI, Jenkins, etc.
- Conduct code reviews, write unit tests using RSpec or Minitest, and maintain test coverage with factory_bot.
- Interoperate with legacy systems including .NET applications, MS SQL Server, and REDCap.
- Ensure adherence to accessibility standards, security policies, and compliance with healthcare regulations.
Tech Stack Overview
- Languages/Frameworks: Ruby, Ruby on Rails (57), ERB, Slim, Liquid
- Frontend: HTML5, CSS3 (Sass), JavaScript, Vue.js
- Databases: PostgreSQL, MySQL
- Background Jobs & Caching: Sidekiq, Redis
- Authentication/Authorization: Devise, Pundit, CanCan, Rolify, Ransack
- Testing & CI/CD: RSpec, Minitest, factory_bot, Git, GitLab CI, Jenkins
- Operating System: Red Hat Enterprise Linux (RHEL)
Required Qualifications
- 5+ years of experience developing full-stack web applications with Ruby on Rails.
- Solid understanding of relational databases and SQL (PostgreSQL and MySQL).
- Hands-on experience with Vue.js or other modern JavaScript frameworks.
- Strong experience with Git, CI/CD tools, and testing frameworks (RSpec/Minitest).
- Excellent problem-solving, debugging, and communication skills.
Preferred Qualifications
- Experience working in academic, healthcare, or public sector domains.
- Familiarity with REDCap, legacy .NET systems, and MS SQL Server.
- Prior experience in environments governed by regulatory compliance (e.g., HIPAA).
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