# Vishal Kumar (vishalx360)

Vishal Kumar is a senior software engineer in Bengaluru, India. He builds customer-facing products, reliable backend systems, and production platforms, with particular depth in distributed systems, workflow orchestration, multi-tenant SaaS, Kubernetes, Go, TypeScript, PostgreSQL, and Temporal.

## Selected evidence

- Built Blackbird, a declarative configuration-management system used by 20–30 services across 800–1,000 tenant clusters, eliminating configuration-drift P0 incidents.
- Migrated more than 600 production tenants to CloudNativePG with zero data loss and zero downtime.
- Built data infrastructure supporting systems that process 1–5 million daily hits.
- Served as the first engineer for an EdTech product, taking it from zero to production and reducing infrastructure cost by 80%.

## Navigate

- [About Vishal Kumar](https://vishalx360.dev/about)
- [Selected projects](https://vishalx360.dev/projects)
- [Contact](https://vishalx360.dev/contact)
- [Privacy](https://vishalx360.dev/privacy)
- [Résumé](https://vishalx360.dev/resume.pdf)
- [Agent instructions](https://vishalx360.dev/llms.txt)
- [Sitemap](https://vishalx360.dev/sitemap.xml)

## Identity

- Canonical site: https://vishalx360.dev
- GitHub: https://github.com/vishalx360
- LinkedIn: https://www.linkedin.com/in/vishalx360
- Email: vishalx360@gmail.com