---
title: "Khaidem Sandip Singha - System Development Engineer in Bengaluru | Tal"
description: "Meet Khaidem Sandip Singha, System Development Engineer @ Amazon | Building Scalable Backend Systems | Java, AWS, JavaScript based in Bengaluru. AI stack includes gemini, kiro, and ChatGPT."
image: "https://tal.club/meet/khaidem-sandip-singha/share-image"
---

# Khaidem Sandip Singha on Tal

## Headline

System Development Engineer @ Amazon \| Building Scalable Backend Systems \| Java, AWS, JavaScript

## About

I am a System Development Engineer at Amazon with over four years of experience building scalable backend systems, workflow automation platforms, and distributed services using Java and AWS\. My work has included backend API development, event\-driven architectures, and infrastructure modernization, with solutions that have automated business processes, reduced manual effort by 2,000\+ hours annually, and supported hundreds of thousands of production users\.

## Location

Bengaluru

## AI stack

gemini

kiro

ChatGPT

## Work experience

System Development Engineer at Amazon, Jul 2026 \- Present · 2 mos, Bengaluru, Working on the Cross\-Border Fulfillment Network, developing scalable backend services that enable cross\-region inventory sourcing and seamless product fulfillment for customers worldwide\.

Application Engineer \- III at Amazon, Oct 2024 \- Jul 2026 · 1 yr 10 mos, Bengaluru, Worked on Retail Business Services \(RBS\), developing backend services and workflow automation platforms using Java and TypeScript\. Built scalable APIs and designed event\-driven integrations with AWS SNS, SQS, Lambda, and API Gateway to automate business workflows, delivering over 2,000 hours of manual effort savings annually\.

Application Engineer \- II at Amazon, Jan 2024 \- Oct 2024 · 10 mos, Bengaluru, Within Retail Business Services \(RBS\), owned the design and development of business workflows using TypeScript, Java, and SQL\. Implemented workflow logic, designed API request and response models, developed optimized SQL queries, and integrated backend services to automate business processes, delivering approximately 600\+ hours of manual effort savings annually\.

Code reviewer at Scrimba, Oct 2022 \- Jun 2023 · 9 mos, Remote, \* Reviewed 45\+ JavaScript and React projects for a front\-end coding bootcamp, providing detailed feedback on code quality, React best practices, debugging, and maintainability\. \* Conducted introductory Data Structures and Algorithms \(DSA\) sessions using JavaScript, helping bootcamp students strengthen their problem\-solving skills and understanding of core algorithm

Frontend Developer at Refixd\.com, Oct 2021 \- Jun 2022 · 9 mos, Bangalore Urban, \* Built a reusable React component library distributed through a private npm package, standardizing UI development and reducing component creation time from 30 minutes to 5 minutes\. \* Centralized application state across 10\+ pages using Redux and Context API, eliminating prop\-drilling complexity and reducing state\-related bugs, enabling more reliable feature development\. \* Improved React e\-commerce page performance by 30% through asset minification, bundle splitting, and image compression, achieving 90\+ PageSpeed scores\.

Course Instructor at Camp K12, Jun 2020 \- Oct 2021 · 1 yr 5 mos, India, \* Taught web development and programming fundamentals to 100\+ students across 50\+ live sessions, covering HTML, CSS, JavaScript, and Python, and maintaining a 4\.9/5 instructor rating\. \* Provided technical mentorship and resolved 1,000\+ student queries, contributing to an 80% course completion rate\.

Website Developer at India Web Designs, Jul 2019 \- Feb 2020 · 8 mos, Dispur, \* Developed 5\+ e\-commerce and corporate websites using WordPress and PHP, enabling local businesses to expand their online presence\. \* Built a full\-stack school website using Django, serving 500\+ users and introducing Django\-based development practices across the team\.

## Education

Bachelor's degree, Civil Engineering, Vellore Institute of Technology

Career Camp \| Front End \| Full Stack Web Development, Computer Programming, Specific Applications, Coding Ninjas

[View the original profile](https://tal.club/meet/khaidem-sandip-singha)

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