Hi, I'm Krishna
React Native Engineer | Full-Stack Mobile & Backend Developer
I build intelligent systems and scalable mobile platforms using cutting-edge technologies. Specializing in production-grade React Native apps, GenAI integrations, secure Laravel backends, and Firebase infrastructure with 4+ years of fintech expertise.
Building Scalable Solutions
I'm a React Native Engineer with 4+ years of production experience architecting scalable mobile platforms and backend systems. I specialize in shipping high-performance iOS and Android applications, with deep expertise in fintech, secure API design, and Firebase infrastructure.
Currently leading mobile and backend development for the EldersIndia application, where I architect production React Native applications serving thousands of active users and design secure Laravel REST APIs with JWT and Sanctum authentication. I've delivered measurable impact: 6x search performance improvements (1200ms to 200ms via Meilisearch optimization), integrated Razorpay payment gateways, implemented Firebase Cloud Messaging for real-time features, and managed full release cycles across Google Play Console and App Store Connect.
Beyond core engineering, I build AI-powered automation workflows—such as OCR record extraction pipelines using Gemini Vision and Qwen-VL—demonstrating full-stack capability from frontend UX to backend infrastructure and intelligent data processing.
Mobile First
Building seamless, native-feeling experiences using React Native and Expo.
Scalable Backends
Architecting high-performance APIs and databases using Laravel, MySQL, and NoSQL.
AI Integration
Enhancing applications with RAG workflows, OCR data extraction, and LLMs.
Key Achievements
Search Performance Optimization
Optimized Meilisearch indexing architecture, dramatically reducing global search latency by 6× (from 1200ms down to a blazing 200ms).
Scalable Enterprise Platforms
Architected and maintained robust full-stack applications serving thousands of active users seamlessly across iOS, Android, and web.
Intelligent Integrations
Successfully integrated secure payment gateways (Razorpay), real-time communications (WebSockets/WebRTC), and complex push notification systems.
AI Workflows & Automation
Engineered prompt pipelines and OCR data extraction workflows, leveraging LLMs to automate internal business processes.
Technical Arsenal
A comprehensive overview of the tools and technologies I use to build scalable, high-performance applications.
Frontend & Mobile
Backend & Database
Firebase & Cloud
AI & Automation
Payments & Integrations
DevOps & Deployment
🚀 AI-Assisted Development Tools
Leveraging cutting-edge AI coding assistants for 10x productivity
Claude Code
AI pair programming
Cursor AI
Intelligent IDE
GitHub Copilot
Code completion
OpenAI Codex
Code generation
AntiGravity
AI debugging
Opencode
Open-source AI tools
Key Achievements
Impact-driven engineering delivering intelligent automation, performance, and scale.
AI-Powered OCR Pipeline
Engineered a high-performance AI extraction pipeline for Krisivikas using Gemini Vision and Qwen-VL to accurately read handwritten dairy ledgers and convert them into structured relational databases. Delivered intelligent automation reducing manual data entry workload.
Production React Native Apps (10k+ Users)
Architected and deployed scalable React Native applications serving thousands of active users in the fintech domain. Integrated Razorpay payment gateways, Firebase Authentication, Cloud Firestore, FCM push notifications, and learning management systems (LMS).
Performance & Backend Optimization
Designed robust Laravel REST APIs with JWT and Sanctum authentication and optimized complex database queries. Improved Meilisearch indexing latency from 1200ms to 200ms—a 6× performance boost. Managed full release cycles via Google Play Console and App Store Connect.
Firebase & Real-Time Infrastructure
Built comprehensive Firebase infrastructure including Cloud Firestore NoSQL databases, real-time synchronization, Firebase Storage for media management, and Cloud Messaging (FCM) for push notifications and in-app messaging.
Payment & Service Integrations
Seamlessly integrated Razorpay payment gateway, SMS notification services, and email integration for transactional communications. Ensured PCI compliance and secure handling of sensitive payment data.