SP

Sai Phanindra

Software Engineer

India
Learning:AI Systems & Infra

Backend and platform engineer building distributed systems and developer platforms. I enjoy solving complex engineering problems and designing systems that enhance automation, reliability, and developer productivity.

Technology Stack

Languages and Backend

Python
Go
JavaScript / TypeScript
Gin
Node.js (Express)
FastAPI

Cloud & Platform Engineering

AWS
Docker
Kubernetes
Terraform (Infrastructure as Code)
CI/CD Pipelines (GitHub Actions, Jenkins)
Backstage (Internal Developer Platform)

Data Systems & Distributed Streaming

PostgreSQL (OLTP)
MongoDB
Redis ( Caching)
Apache Kafka (Event Streaming)
RabbitMQ (Message Broker)
ClickHouse (OLAP)
Snowflake (Data Warehouse)

Experience

Celigo

Celigo

Built a self-healing REST API platform using LLMs and vector search, cutting manual maintenance by 50% and boosting auto-healing success by 60%.
Architected a microservices framework for 50+ services with a three-command setup for local and AWS Dev/QA deployments.
Created a self-service developer portal with Micro Frontend and microservices, enabling independent service management.
Built a centralized anomaly detection service for 40+ microservices, enabling early detection and proactive resolution.

Latest Writing

FULL ARCHIVE
May 11, 2026 9 min
Read

WebSockets in Production: Heartbeats, Reconnects, and Backpressure

A production-minded guide to WebSockets covering heartbeats, reconnects, fan-out, and backpressure on long-lived connections.

May 11, 2026

Inside a TLS 1.3 Handshake: From ClientHello to Encrypted HTTP

May 11, 2026

SSL vs TLS vs HTTPS: The Mental Model Behind Every Secure Website

Featured Projects

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Open Source

pg_vitals

Modern terminal UI for live PostgreSQL performance analysis. Monitors multiple databases at once with real-time views for activity, slow queries, locks, indexes, memory, and safe EXPLAIN plans. Built on Textual and async psycopg 3 with per-target connection pools and background refresh workers for a responsive UI.

PythonTextualpsycopg 3+5
View Project

Open Source

SafeStream

AI-assisted YouTube live chat moderation stack. Monitors live chat in real time, applies customizable moderation rules using pluggable AI backends (OpenAI, Gemini, LM Studio), and provides a secure dashboard for managing sessions. Designed for local, Electron, or server deployment with strong security defaults.

Node.jsElectronLangGraph+3
View Project

Live · Code

techdigest

Minimal open-source RSS feed aggregator To keepup with latest tech news. Aggregates and displays blog posts from multiple sources

Next.jsTypeScript
Live Demo