Ruby on Rails Developer

Senior Application Developer - Ruby on Rails

Location: Westlake Village CA

Duration: 5 months contract (might go PERM eventually)

100% Onsite Work

Pay rate $71 Per hr on W2 Max

USC & GC Only

Responsibilities:

The Senior Application Developer will:

Use the latest tools and techniques, including Ruby on Rails, Git, AI-assisted coding tools, and Agile methodologies.

Leverage RSpec and Capybara for automated testing, ensuring high-quality TDD/BDD practices.

Build and support RESTful APIs, microservices, and enterprise-grade web applications.

Prepare software for deployment using CI/CD pipelines and containerization tools like Docker.

Respond to and resolve complex bugs and performance bottlenecks logged by users of a live production system.

Manage small projects independently while serving as a technical lead or mentor on larger, cross-functional initiatives.

Work in Linux/Unix environments and optimize development workflows using tools like VS Code or RubyMine.

Utilize AWS (EC2, RDS, S3) for scalable cloud-based development and deployment.

Establish rigorous test plans through the design and implementation phases, tracking results to ensure all changes meet finalized business requirements.

Demonstrate behaviors aligned with the organization's culture, emphasizing collaboration, transparency, and continuous improvement.

Perform other related duties as required and assigned.

Qualifications:

Education: Bachelor's degree in Computer Science, Engineering, or equivalent professional work experience.

Ruby on Rails Expertise: 7 years of experience in software development, with a primary focus on the Ruby on Rails framework and building scalable web applications.

Business Logic & Rules: 3 years of experience working with complex business logic engines or state machines (e.g., AASM, Workflow, or custom rule engines).

Testing Mastery: Deep experience with RSpec, MiniTest, and integration testing suites.

Version Control: 3 years of experience with Git, including advanced branching and merging strategies.

Environment & Infrastructure: Proven experience working in Linux environments and managing cloud infrastructure via AWS.

Technical Stack: Proficiency with SQL (PostgreSQL/MySQL), Redis, and modern IDEs like VS Code.

AI Tooling: Experience with Cursor, GitHub Copilot, or other AI-augmented development tools is highly preferred.

If you're interested in above role please send me your updated resume to