Bhupendra Yadav
Backend & Infrastructure Engineer
I build backend services, internal platforms, and infrastructure tooling for production systems.
Focused on Java services, Kubernetes platforms, PostgreSQL, CI/CD, and practical engineering notes.
What I do
Engineering work areas
Backend Systems
Service design, REST APIs, OpenAPI contracts, Java/Spring Boot, PostgreSQL.
Infrastructure & Platforms
Docker, Kubernetes, Helm, ArgoCD, CI/CD pipelines, deployment workflows.
Production Engineering
Debugging, reliability, observability, incident learnings, performance fixes.
Technical Writing
Notes on backend engineering, infra, distributed systems, and security exploration.
Writing
Recent technical notes
Postgres COPY TO/FROM PROGRAM
How Postgres COPY reads server files, runs OS commands, and can cross the boundary between SQL and the operating system.
- PostgreSQL
Postgres SELECT FOR UPDATE
A short note on row locking with SELECT FOR UPDATE and SKIP LOCKED.
- PostgreSQL
Text vs Binary Protocols
A short note on what text and binary protocols really mean.
- Protocols
- HTTP
Projects
Recent project work
Tech I work with
Core tools and technologies
A practical mix for backend services, platform work, automation, and data systems.