Senior Backend Engineer with 7+ years of experience building scalable, high-throughput systems and real-world transaction platforms.
- Designed and built wallet-to-wallet transaction systems with OTP-based security, reducing fraud and unbilled flows significantly
- Architected high-concurrency backend services handling large transaction volumes with strong consistency guarantees
- Built event tracing & observability systems across microservices for debugging, monitoring, and analytics
- Developed config-driven LLM workflows (RAG, embeddings, crawlers, ingestion pipelines) powering production use cases
- Worked on end-to-end system design — APIs, data modeling, performance optimization, and production deployments
- Backend Architecture & System Design
- Concurrency, Scaling & Performance Optimization
- Distributed Systems & Data Flow Design
- Database Design (SQL + NoSQL)
- Debugging complex production issues
Languages: JavaScript, TypeScript
Backend: Node.js, Express
Databases: MySQL, MongoDB, Redis
Systems: Caching, Queues, Rate Limiting, Event-driven architecture
Frontend (working knowledge): React
Tools: Git, Docker (if used), VS Code
- Wallet Infrastructure: Multi-entity balance tracking with dynamic ownership of outstanding amounts
- Tracing Platform: Cross-service event tracking with filtering & observability dashboard
- LLM Pipelines: Autonomous crawling + ingestion + RAG-based query systems
- Focus on writing systems that scale, not just code that works
- Prefer data-driven debugging over guesswork
- Strong emphasis on clean architecture & long-term maintainability
- Deepening expertise in distributed systems & large-scale system design
- Exploring high-performance backend patterns & infra design
