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Sudhanshu Chauhan

Backend & Data Engineering Leader | 14+ Years Experience

About Me

Architecting scalable solutions across cloud platforms

Dynamic Backend and Data Engineering leader with 14 years of hands-on experience architecting and optimizing large-scale, production-grade data pipelines, microservices, and ML workflows across AWS, GCP, Azure, and Informatica.

Demonstrated expertise integrating and deploying LLMs and GenAI models in real-world scenarios, leveraging SageMaker, FastAPI, Golang, and custom Python workflows for advanced solutions in retail automation, image analytics, recommendation systems, and vector-based retrieval.

Adept at delivering end-to-end cloud-native systems, orchestrating high-performance data operations, and translating complex business needs into robust, scalable technical architectures.

14+
Years Experience
50+
Projects Delivered
10+
Technologies Mastered
3
Cloud Platforms

Technical Expertise

Full-stack proficiency in modern technologies

Backend & APIs

Golang (Gorilla/Mux) • Java/Kotlin (Spring) • FastAPI • Express.js • Django • Flask

Cloud Platforms

AWS (Lambda, Redshift, SageMaker, ECS, Glue) • Azure (IoTHub, ML Studio) • GCP

Big Data & ETL

Spark/PySpark • Databricks • Snowflake • Airflow • DBT • AWS Glue • DMS

AI/ML & GenAI

LLMs • PyTorch • AWS SageMaker • Generative AI • LangChain • Vector DBs (Pinecone)

Databases

PostgreSQL • MySQL • MongoDB • Redis • Apache Druid

DevOps & Tools

Docker • Terraform • Jenkins • GitHub Actions • Grafana • PowerBI

Current Projects

Building cutting-edge solutions

LLM Integration Platform

Building Golang-based REST APIs for in-house LLM models with FastAPI backend for data pipeline orchestration.

Golang FastAPI LLM Python

Image Classification Pipeline

ML-powered image classification system using CLIP model and Pinecone vector database with AWS Lambda integration.

AWS Lambda CLIP Pinecone Golang

Data Lake Architecture

Designing scalable data lake infrastructure from scratch with automated ETL workflows and monitoring.

AWS Airflow DBT Spark

Blog

Sharing insights and experiences

Coming Soon: Optimizing Golang APIs for High-Throughput Systems

Expected: November 2025

Exploring patterns and best practices for building high-performance REST APIs in Go, with real-world benchmarks and optimization techniques.

Coming Soon: LLM Integration Patterns in Production

Expected: December 2025

A deep dive into deploying and scaling Large Language Models in production environments, covering infrastructure, monitoring, and cost optimization.

Coming Soon: From Monolith to Microservices

Expected: January 2026

Lessons learned from migrating legacy systems to cloud-native microservices architecture, including challenges and solutions.