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 our websites are technically optimized for performance, SEO, analytics, and tracking.
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.
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, etc.).
Collaborate with marketing on tracking requirements and data layer implementation.
Debug, QA, and validate tracking implementations across the website.
Implement technical SEO best practices, including Schema markup, Meta tags, Sitemap management, Core Web Vitals optimization, Accessibility.
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.
Write clean, well-structured, and well-documented code.
Participate in code reviews and ensure appropriate test coverage.
Contribute to build, testing, and deployment pipelines (CI/CD).

A role with real ownership across frontend, backend, and platform concerns.
Close collaboration with product, design, and marketing teams.
The opportunity to influence performance, SEO, and analytics at a technical level.
A modern tech stack and agile working environment.
A culture that values quality, autonomy, and continuous improvement.

Full Stack Engineer, React, Python, Website, SEO

Key skills