💻 Full Stack Software Engineer | Backend Specialist | Cloud Enthusiast
⚡ Building scalable backend systems, distributed architectures, and impactful products for 3+ years.
🌐 Experienced in MERN stack with a backend-heavy focus (Node.js, Express, NestJS, MongoDB, PostgreSQL, Redis).
🏗️ Designed and shipped high-performance APIs, auto-matching engines, payout systems, and event-driven workflows in production.
☁️ Hands-on with AWS (ECS, EC2, S3, ALB), Docker, Jenkins CI/CD, Azure for infra & deployments.
⚡ Optimized DB queries (up to 75% faster execution) and reduced infra costs.
🧑🤝🧑 Led small engineering teams, owned 0→1 feature development, and delivered mission-critical systems.
🤖 Enthusiastic about AI-assisted development tools (Cursor, Copilot) for productivity.
📚 Actively learning System Design, Distributed Systems, and Clean Architecture to level up engineering depth.
Languages & Frameworks
Databases & Caching
DevOps & Cloud
Others
- Architected and developed a geo-optimized auto-matching engine (Node.js, TypeScript, MongoDB geospatial indexing).
- Improved service fulfillment by 30%, driving 60% of company revenue.
- Designed and deployed scalable REST APIs with CI/CD pipelines on AWS (ECS, EC2, ALB, S3).
- Built a modular earnings calculation engine with configurable rules and incentives.
- Automated reconciliation across thousands of transactions with improved accuracy and reliability.
- Integrated with financial operations, reducing manual effort and improving consistency.
- Developed a wallet application with NestJS backend and React (Vite + TS + Tailwind) frontend.
- Features: wallet setup, secure transactions, history with pagination, CSV exports, and robust API error handling.
- Architected using modular Clean Architecture principles to ensure scalability and maintainability.
- An interactive tool for educators to record screens while presenting content and media.
- Built with Canvas & MediaStream APIs for drawing, screen/audio recording, and audio merging.
- Supports saving work with IndexedDB (gallery) and LocalStorage (resume progress).
📧 Email: krisharush93985@gmail.com
✨ "Building systems that scale, with a balance of clean design, performance, and real-world impact."