Ankur Singh
Full-Stack Software Engineer
Professional Summary
Results-driven Full-Stack Software Engineer with proven experience delivering production-grade web applications across Shopify app development, AI-powered platforms, and SaaS products. Currently working as a Full-Stack Engineer at Sabai Innovations / CodersHive, owning the complete engineering lifecycle — from requirements gathering and system design through deployment and production maintenance. Independently building three products: a live AI farming assistant (Node.js + OpenAI GPT-4o), a Shopify smart search app, and an LLM brand analytics platform (launching May 2026). Strong command of TypeScript, React, Next.js, Node.js, and PostgreSQL with a track record of shipping clean, maintainable code.
Work Experience
- Engineered and shipped 3 production Shopify applications: AnnounceFlow (dynamic announcement bars with A/B testing and analytics), Countdown Bar (urgency-driving evergreen timers with multi-language support), and Social Proof (real-time purchase notifications via WebSockets)
- Implemented OAuth 2.0 authentication flow and designed scalable PostgreSQL database schema supporting multi-merchant SaaS architecture
- Developed RESTful API integrations with Shopify Admin API and Shopify Polaris component library for consistent merchant-facing UI
- Own the full engineering lifecycle — from requirements gathering and architecture decisions to deployment, monitoring, and production maintenance of live merchant-facing systems
- Stack: Next.js, TypeScript, React, Shopify API, Shopify Polaris, PostgreSQL, Node.js, Vercel
Projects
- Architected and deployed a full-stack AI-powered agricultural advisory platform serving Indian farmers with real-time, personalized crop guidance
- Integrated OpenAI GPT-4o vision API to detect crop diseases from uploaded photos with multi-modal input support (text, voice, image)
- Built multilingual support for Hindi, English, Bengali, and Tamil using franc-min language detection library
- Connected 4 external APIs: OpenWeatherMap (5-day forecasts), SoilGrids (pH + organic carbon), Data.gov.in (market prices), and Leaflet.js (interactive field mapping)
- Stack: Node.js, Express.js, MongoDB, OpenAI GPT-4o API, HTML5, CSS3, JavaScript
- Designed and built an analytics SaaS platform that tracks brand visibility across AI language model responses (ChatGPT, Google Gemini, Claude, Perplexity)
- Implemented competitive share-of-voice analysis to benchmark brand AI-presence against competitors across targeted query categories
- Built automated weekly report generation and trend dashboards using Recharts with actionable AI-readiness scoring
- Stack: Next.js, TypeScript, OpenAI API, Google Gemini API, PostgreSQL, Recharts, Vercel
- Developed a Shopify application that intercepts zero-result and failed product searches in real time, surfacing missed revenue opportunities to merchants
- Built fuzzy-matching engine enabling "tee shirt" to resolve to "cotton t-shirt" and similar synonym matching, reducing search abandonment
- Implemented automated product tagging with alternate search terms and merchant alert dashboard with conversion lift tracking
- Stack: Next.js, TypeScript, Shopify Admin API, Shopify Polaris, PostgreSQL, Node.js
- Built a secure full-stack file management platform with user authentication, encrypted cloud file storage, upload/download functionality, and role-based access control
- Integrated Supabase Storage for scalable object storage with server-side file handling via Express.js middleware
- Stack: Node.js, Express.js, MongoDB, Supabase Storage, EJS, Tailwind CSS
Technical Skills
| Languages | TypeScript, JavaScript (ES6+), Python, HTML5, CSS3 |
| Frontend | React.js, Next.js (App Router), Tailwind CSS, Shopify Polaris |
| Backend | Node.js, Express.js, REST API design, OAuth 2.0, WebSockets |
| Databases | PostgreSQL, MongoDB, Supabase, database schema design |
| APIs & Tools | OpenAI API (GPT-4o), Google Gemini API, Shopify Admin API, OpenWeatherMap API |
| DevOps & Tools | Git, GitHub, Vercel, AWS, Docker (basics), VS Code |
| Learning | React Native, System Design, Data Structures and Algorithms, DevOps |
Additional Background
Conducted deep research across 200+ decentralized Web3 projects (2018-2023), developing strong systems thinking, product analysis discipline, and understanding of distributed architectures. Transitioned focus to building practical, high-impact software products with emphasis on clean architecture, code maintainability, and real user value.