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

As a Full Stack Engineer at Index, 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 (React / Next.js):
• Build and maintain React and Next.js components, pages, and application logic.
• 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 and analytics integrations (GA4, Meta Pixel, etc.).
• Implement technical SEO best practices: schema markup, meta tags, sitemap management, Core Web Vitals.
• Ensure compliance with WCAG accessibility standards.

Backend & Platform:
• Contribute to backend 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: Next.js, React, TypeScript, Tailwind CSS, Python, Ruby on Rails, PostgreSQL, Redis, Docker, Jest.

Requirements:
• 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.
• Good understanding of Git and modern build tools (Webpack).