Ruby on Rails Backend Developer

2 days ago


San Francisco, California, United States OnHires Full time $100,000 - $180,000 per year

Our client – a dynamic and growing technology company – is looking for an experienced Senior Ruby on Rails Engineer to join their fully remote team. This role offers the opportunity to work on sophisticated web applications across various industries, collaborating with a talented and supportive engineering team.

What You'll Do

Design, develop, and maintain backend systems using Ruby on Rails

Optimize performance and scalability of existing and new features

Integrate front-end elements with server-side logic

Identify and resolve bottlenecks, bugs, and performance issues

Collaborate with product managers, designers, and engineers to define product direction

Conduct code reviews and mentor junior team members

Contribute to maintaining high standards of code quality and development practices

What We're Looking For

5+ years of professional experience with Ruby on Rails

Deep knowledge of OOP, MVC, REST, ORM, and GraphQL

Expertise with common Ruby libraries and tools: Sidekiq, Devise, CarrierWave, ActiveStorage, ActionCable, Puma

Strong PostgreSQL and SQL skills

Experience designing data models and APIs

Solid understanding of HTML5, CSS3, and JavaScript

Familiarity with server-side templating engines (e.g. Slim, HAML, Liquid)

Proficient with Git and development tools like Bundler, Rake

Comfortable working in a Linux/macOS terminal environment

Excellent communication skills and a collaborative mindset

Fluent/native Ukrainian speaker

Nice to Have

Integration experience with Stripe, Sendgrid, Twilio, Mailchimp, Drip

Experience with ES6 or TypeScript

Familiarity with CI/CD pipelines and Agile workflows

Prior experience mentoring or leading development teams

Exposure to other programming languages beyond Ruby and JavaScript

Background in a software studio or product-focused environment

What's Offered

Competitive compensation

Fully remote work environment

Home office stipend

Diverse and engaging projects

Opportunity to work across multiple industries and technologies

Hiring Process

  1. 30-minute prescreen with recruiter

  2. 30–45 minute initial interview

  3. Short technical exercise

  4. 60-minute exercise review (panel interview)

  5. Leadership interview(s)

  6. Final decision

Remote Work Requirements: Your workday must overlap by at least 4 hours with Los Angeles, CA (PST/PDT).



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