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

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

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.

Assisted in developing backend services and RESTful APIs

Implemented features and bug fixes following clean code practices

Wrote unit and integration tests to ensure service reliability

Worked with databases and production systems under mentorship

Participated in agile ceremonies including stand-ups and sprint planning

Latest Writing

FULL ARCHIVE

May 23, 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 23, 2026

Inside a TLS 1.3 Handshake: From ClientHello to Encrypted HTTP

May 23, 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