Full Stack Engineer (React / Python / Website & SEO)

As a Full Stack Engineer at Index.dev, you will work across the frontend, backend, and platform layers. You will build and maintain React-based applications, contribute to backend services (Python and Ruby on Rails), and ensure websites are technically optimized for performance, SEO, analytics, and tracking.

Key Responsibilities:

Frontend Development (React / Next.js):
- Build and maintain React and Next.js components, pages, and application logic
- Troubleshoot and fix bugs in the existing codebase
- Identify and resolve UI performance issues (code splitting, memoization, lazy loading)
- Monitor and optimize Core Web Vitals
- Ensure reliable integration between frontend and backend services

SEO, Analytics & Tracking:
- Implement and manage Google Tag Manager (GTM) containers, tags, triggers, and variables
- Set up and maintain conversion tracking, event tracking, and analytics integrations (GA4, Meta Pixel)
- Implement technical SEO best practices: schema markup, meta tags, sitemap management, Core Web Vitals optimization

Backend & Platform Development:
- Contribute to backend and platform development using Python and Ruby on Rails
- Collaborate on API design, data models, and system integrations
- Work with PostgreSQL, Redis, and Docker-based environments

Tech Stack:
- Frontend: Next.js, React.js, TypeScript, Tailwind CSS, Shadcn, Radix UI, Framer Motion
- Backend & Platform: Python, Ruby on Rails
- Databases & Infrastructure: PostgreSQL, Redis, Docker
- Testing: Jest
- Tooling: Git, Webpack

Required:
- Strong knowledge of HTML5, CSS3, JavaScript (ES6/7), and TypeScript
- Solid experience with React.js and modern frontend development
- Experience with SASS, Bootstrap, and Tailwind CSS
- Experience with unit testing using Jest
- Good understanding of Git and modern build tools