Harsh Shah

Full Stack Software Engineer with ~4 years of experience building and scaling production web applications. Strong in React, Next.js, Node.js, and modern databases, with proven ownership of high-impact fintech features including checkout flows, payments configuration, and internationalized platforms. Frontend-first engineer with solid backend depth and system-level thinking.

Software Engineer (Full Stack) - Razorpay Software Pvt. Ltd.

(2024-04)

• Built and optimized high-traffic checkout and payments flows with strict latency, reliability, and rollback requirements.
• Designed and built Checkout Editor V2, enabling merchants to dynamically configure payment methods with default selection logic.
• Delivered Magic Checkout enhancements including loyalty points application, conditional COD, EDD support, and Shopify checkout redirection.
• Developed scalable MDX-based documentation components, API reference layouts, and reusable search filters, improving developer self-serve adoption and engagement (CTR, CSAT).
• Implemented internationalization and location-based content rendering using CloudFront and country preferences.
• Contributed to high-scale checkout systems handling large payment volumes with strict latency and reliability requirements.
• Developed and maintained full-stack applications using React, Next.js, Node.js, Express, and relational databases.
• Built REST APIs supporting server-side rendering, data fetching, and admin dashboards.
• Delivered responsive e-commerce and SaaS platforms with payment integration, CMS-backed content, and role-based admin panels.
• Collaborated with global teams across the full SDLC and migrated large codebases from JavaScript to TypeScript.

Software Engineer (Full Stack) - Codosphere.

(2022-01 - 2024-02)

• Developed and maintained full-stack applications using React, Next.js, Node.js, Express, and relational databases.
• Built REST APIs supporting server-side rendering, data fetching, and admin dashboards.
• Delivered responsive e-commerce and SaaS platforms with payment integration, CMS-backed content, and role-based admin panels.
• Collaborated with global teams across the full SDLC and migrated large codebases from JavaScript to TypeScript.

B.E - Computer Science & Engineering - BMS Institute of Technology, Bangalore (2018-09 - 2021-08)

Diploma - Computer Science - BLDEA Polytechnic, Bijapur (2013-07 - 2017-11)