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Chirag User

@chiraguser8

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Senior Software Engineer at Commergence building AWS platforms and full-stack REST/GraphQL workflows.

India

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At Commergence, I design AWS architectures and build full-stack platforms that connect mission-critical REST and GraphQL workflows. I also use Cursor, ChatGPT, and OpenAI APIs to support AI-assisted development.

At Tachyon, I orchestrated a zero-data-loss migration of 500M+ records from Salesforce to PostgreSQL, OpenSearch, and S3 using Apache Airflow. I also contributed to an AI-augmented generation platform using LLMs, RAG, prompt orchestration, and validation pipelines.

At Deqode, I developed web and mobile applications with React.js, React Native, TypeScript, and Node.js, and built serverless microservices with Python and AWS Lambda. I also mentored engineering professionals and coordinated sprint delivery.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Commergence

Jan 2026 - Present (8 months)

Designed and implemented scalable AWS architectures using Lambda, API Gateway, S3, CloudFront, RDS, DynamoDB, SQS, SNS, and EventBridge. Built high-performance full-stack platforms with Node.js, TypeScript, and React.js, and accelerated feature delivery using AI-assisted development paradigms.

AWS Lambda API Gateway S3 Amazon Cloudfront RDS DynamoDB Amazon SQS SNS EventBridge NodeJS TypeScript React REST GraphQL Docker Kubernetes Terraform GitHub Actions Cursor ChatGpt OpenAI API

Senior Software Engineer

Tachyon

Jul 2024 - Dec 2025 (1 year 5 months)

Orchestrated a massive zero-data-loss migration of 500M+ records from Salesforce to PostgreSQL, OpenSearch, and S3 using Apache Airflow. Contributed to building an autonomous AI-augmented generation platform using LLMs, RAG, and custom validation pipelines.

Airflow ETL Salesforce PostgreSQL OpenSearch S3 LLM RAG Prompt Orchestration Platforms React Next.js NodeJS Amazon Cloudfront AWS API Gateway

Senior Software Engineer

Deqode

Jan 2021 - Jun 2024 (3 years 5 months)

Designed and developed high-fidelity web and mobile applications using React.js, React Native, TypeScript, and Node.js. Built serverless microservices with Python and AWS Lambda, and managed containerized deployments via Kubernetes.