I’m a Senior Backend Engineer with 5+ years of experience designing high-performance, event-driven systems and cloud-native architectures. I specialize in building scalable backend platforms with Golang, Python, and modern infrastructure stacks.

• 💡 Architecting intelligent workflows using LLMs, LangChain, and CQRS
• ⚙️ Advocate of clean architecture, system observability, and DevOps-first principles
• 🚀 Focused on performance, resilience, and developer velocity

Scalable, distributed workflow orchestration engine

• Microservices built with Golang, FastAPI, LangChain, and Elasticsearch
• Reduced incident rate by 60%, achieved latency under 1.2ms
• Employed CQRS, event sourcing, and async job processing at scale

Travel booking engine powering 1000+ daily users

• Infrastructure on GCP, Terraform, Cloud Run, Pub/Sub, and Stripe
• Implemented end-to-end monitoring, alerting, and real-time bookings
• Improved booking throughput by 30%, reduced latency by 25%

Smart video data search + analysis solution for Procter & Gamble

• Architected backend using Golang, AlloyDB, BigQuery, and Pub/Sub
• Built SRE observability pipelines and real-time ingestion layers

• Delivering scalable video analytics platforms for enterprise clients (P&G)
• Managing production-grade infrastructure with GCP, K8s, BigQuery, and AlloyDB

• Developed insurance automation engines, finance services, and AI chatbots
• Built end-to-end observability with Datadog, Slack, Grafana, and Sentry
• Created reusable microservices and DevOps-first delivery pipelines

B.Tech in Computer Science & Engineering
Guru Gobind Singh Indraprastha University, New Delhi (2016–2020)

• 📧 Email: singhrohankumar7@gmail.com
• 🌍 Location: New Delhi, India
• 🤝 Let’s collaborate on meaningful tech that scales

“Build fast. Scale smart. Ship systems that solve real-world problems.”