Event-Driven Workflows: Replacing Manual Operations with Serverless Automation
How we replaced error-prone manual operations with event-driven, serverless workflows using AWS Step Functions and Lambda to improve reliability and productivity.
Bharat Kumar
Senior Backend Engineer with 9+ years building scalable, event-driven systems using Python and AWS. I design production-grade architectures that handle real-world complexity.
Core Expertise
Backend Architecture
Designing resilient backend systems with clear boundaries, fault tolerance, and scalability.
Event-Driven Systems
Building async workflows using queues, orchestration, retries, and DLQs.
Cloud-Native AWS
Serverless and cloud-native designs using Lambda, API Gateway, SQS, SNS, and Step Functions.
Security & Auth
SSO (SAML, OIDC), OAuth2, RBAC/PBAC, and secure API design
Observability & Reliability
Production monitoring with Prometheus & Grafana, structured logging, alerting, and MTTR-focused incident response.
Data & Messaging
PostgreSQL, Redis, Kafka, Celery, and message-driven data pipelines designed for scale and consistency.
Recent Writing
Building Production-Grade Monitoring with Prometheus & Grafana: From Metrics to Alerts
A practical guide to building a production-ready observability stack using Prometheus, Grafana, Alertmanager, and Loki to detect incidents early and reduce MTTR.
Featured Projects
Production-Grade Infrastructure Monitoring Stack
End-to-end observability platform with metrics, dashboards, alerts, and centralized logging.
Secure Hybrid Authentication with AWS Roles Anywhere
Extending AWS IAM to on-prem and CI/CD environments using X.509 certificates.