---
title: "AMIT KUMAR SINGH - Senior Solution Engineer in Greater Kolkata Area | Tal"
description: "Meet AMIT KUMAR SINGH, Java Backend Engineer (4.9 Yrs) | Formerly at TCS | Spring Boot | REST & GraphQL APIs | API Migration | Production Support (RTB) | Argo CD | QuickBooks Online | API Modernization based in Greater Kolkata Area. AI stack includes cursor, github copilot, and langchain."
image: "https://tal.club/meet/amit-kumar-singh-1/share-image"
---

# AMIT KUMAR SINGH on Tal

## Headline

Java Backend Engineer \(4\.9 Yrs\) \| Formerly at TCS \| Spring Boot \| REST & GraphQL APIs \| API Migration \| Production Support \(RTB\) \| Argo CD \| QuickBooks Online \| API Modernization

## About

Senior Java / Backend Engineer with 4\.9 years of experience specializing in backend development, API modernization, and production\-critical systems\. Currently supporting Intuit – QuickBooks Online \(QBO\), where I handle RTB operations, resolve high\-severity production issues, lead API migration initiatives, and drive safe traffic transitions at scale\. I actively contribute to API adoption, testing automation using Karate, and CI/CD deployments via Argo CD across multiple environments\. Core Strengths: Java, Spring Boot, Spring Security, JPA, Hibernate REST & GraphQL APIs \| API Version Migration Production Support & Incident Management \(RTB\) Karate API & Integration Testing CI/CD, Argo CD, Docker MySQL Database Design & Optimization I’m passionate about building scalable, reliable backend systems, improving system performance, and solving complex production challenges\. Open to backend\-focused roles where technology meets impact\.

## Location

Greater Kolkata Area

## AI stack

cursor

github copilot

langchain

openai

## Work experience

Senior Solution Engineer at Deqode, Dec 2024 \- Present · 1 yr 6 mos, Kolkata, West Bengal, India, • Experienced Senior Solution Engineer specializing in production support and operations for high\-impact platforms, including Intuit’s QuickBooks Online \(QBO\) at Persistent Systems\. • Expertise in resolving critical production issues, leading RTB \(Run the Business\) operations, and handling incident management with thorough root cause analysis \(RCA\)\. • Led API migration initiatives, including detailed field mapping, traffic transition, and backward compatibility validation to ensure zero disruption\. • Designed and implemented comprehensive test cases to achieve full code, branch, and functional coverage\. • Developed integration and end\-to\-end test suites to ensure system reliability and production readiness\. • Supported and managed CI/CD deployments using Argo CD, enabling faster and safer releases across environments\. • Contributed to code enhancements and functional changes aligned with evolving business requirements\. • Strong collaborative team player, working closely with cross\-functional teams to ensure production stability and business continuity\. • Actively seeking opportunities to leverage expertise in modern service integrations, backend systems, and DevOps best practices\.

Software Developer at MaxMobility Pvt\. Ltd\., Mar 2024 \- Dec 2024 · 10 mos, Kolkata, West Bengal, India, Developed and maintained microservices\-based applications using Java and Spring Boot, ensuring adherence to best practices and design patterns for clean and maintainable code\. • Implemented database operations using MySQL, optimizing performance and reliability\. • Created and maintained RESTful APIs to facilitate seamless communication between backend services and frontend applications\. • Collaborated with frontend developers to ensure seamless integration of backend services with user interfaces\. • Demonstrated expertise in writing clean, efficient, and maintainable code, contributing to overall team productivity and project success\.

System Engineer at Tata Consultancy Services, Mar 2021 \- Nov 2023 · 2 yrs 9 mos, Kolkata, West Bengal, India, • Streamlined server operations and promptly resolved business inquiries through daily operational support\. • Showcased proficiency in analysing, implementing, testing, and deploying business requirements to meet organizational needs\. • Delivered performance through conducting thorough code reviews and debugging sessions, resulting in enhanced functionality and efficiency\. • Thrived in a collaborative, agile team setting, consistently delivering exceptional results and exceeding objectives within specified timelines\.

Software Engineer Intern at Unyscape, Jan 2021 \- Mar 2021 · 3 mos, Noida, Uttar Pradesh, India, • Successfully implemented the development of robust, user\-friendly, and reliable Android applications\. • Developed the design and implementation of applications to surpass high standards of performance and user satisfaction\. • Simulated comprehensive unit testing to elevate code quality and optimize application performance\. • Strategized and implemented effective bug resolution and performance enhancement techniques to enhance user satisfaction\.

## Education

Bachelor of Technology \- BTech, Electrical, Electronics and Communications Engineering, Netaji Subhash Engineering College \(NSEC\)

[View the original profile](https://tal.club/meet/amit-kumar-singh-1)

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