Full Stack Ruby on Rails Software Engineer
@ Icortica Inc

Waltham, Massachusetts, United States
$120,000
On Site
Posted 23 days ago

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XXXXXXXXX XXXXXXXXX XXXXXXXX****** @icortica.com
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Job Details

About the Role

We are seeking a Full Stack Ruby on Rails Software Engineer who is skilled at building scalable applications and comfortable leveraging AI in both development workflows and product features. As icortica Inc's second full time engineer in a very small startup with big plans, you will be working across the stack, from backend services and APIs to front-end interfaces, helping deliver data-driven insights and workflow automation.

Responsibilities

  • Develop integrations with third-party systems and our own API.
  • Build and maintain full stack web applications using Ruby on Rails, PostgreSQL, and modern front-end frameworks.
  • Write high-quality, well-tested code.
  • Optimize application performance, scalability, and security.
  • Collaborate with product and design teams to deliver features end-to-end.
  • Participate in code reviews, architecture discussions, and uphold engineering best practices.

Qualifications

  • 1-2+ years working in a startup environment.
  • Strong proficiency with Ruby on Rails (with 5+ years of professional experience being preferred).
  • Solid understanding of PostgreSQL and relational database design.
  • Knowledge of multi-tenant architectures and data privacy/security best practices.
  • Experience with background job processing and automated testing.
  • Front-end experience with HTML, CSS (Tailwind), JavaScript, and Hotwire (Stimulus and Turbo).
  • Experience using AI tools (such as Cursor, Codex, Claude Code) in the development process.
  • Proven experience in crafting fault tolerant, resilient, and observable integrations with 3rd party APIs.

Benefits

  • Health Care Plan (Medical & Dental)
  • Paid Time Off (Vacation, Sick & Public Holidays)

Key skills/competency

  • Ruby on Rails
  • Full Stack
  • PostgreSQL
  • API Integration
  • AI Tools
  • Front-end Development
  • HTML/CSS
  • JavaScript
  • Testing
  • Scalability
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How to Get Hired at Icortica Inc

🎯 Tips for Getting Hired

  • Customize your resume: Tailor experiences to match role skills.
  • Highlight AI expertise: Showcase projects with AI tools.
  • Emphasize backend skills: Detail Ruby on Rails and PostgreSQL work.
  • Prepare for code reviews: Review best practices before interviews.

📝 Interview Preparation Advice

Technical Preparation

Review Ruby on Rails framework basics.
Practice API integration and database design.
Familiarize with AI development tools.
Test front-end coding with Tailwind and Hotwire.

Behavioral Questions

Describe startup collaboration experiences.
Share past code review contributions.
Discuss conflict resolution in teams.
Explain time management under pressure.

Frequently Asked Questions