Jatin Gupta

B.Tech in Computer Science

August 2013 - June 2017

Dronachara College of Engineering

• Software Development Life Cycle
• Data Structures & Algorithms
• Distributed Database Systems
• Operating System

KPMG International Pvt Ltd

September 2021 - Present

Senior Engineer & Backend Developer, (Assistant Manager)

• Built scalable backend features using NestJS and TypeORM, optimizing API performance with streaming.
• Improved pod stability and resolved critical issues via microservices and developed Cron jobs for emails, rewards, and referrals.
• Delivered secure, well-documented APIs with Swagger, authentication, and refresh token flows.
• Enhanced admin/client portal performance through data chunking and efficient CSV exports with millions of data.
• Developed efficient APIs for real-time visualization, charts, and monitoring for reward distribution and user engagement.
• Implemented detailed logging mechanisms for faster debugging and resolution of critical production issues.
• Collaborated with senior associates to analyze complex issues and consistently met or exceeded sprint goals.
• Participated in code reviews and mentored junior developers, fostering a culture of code quality and best practices.
• Enhanced the testing framework for a Goldman client to efficiently test code development changes using microservices.
• Spearheaded the development and support of a critical Trading gateway for a Fortune 500 banking client, using multiple tools and technologies.

PROJECTS / CLIENTS:

• WIL Motorist Engagement Platform (Hong Kong) – WIL for Motorists is a mobile app designed as an all-in-one engagement platform for Hong Kong drivers, serving 200K+ active users and handling over 500K monthly transactions via multiple channels using blockchain-based WIL Coins.
• Unify - Multi-Chain Business Management Platform (Singapore) – Built & maintained a scalable web & mobile platform role-based admin & super admin portals, enabling enterprise clients to manage multiple branches. It includes user/permissions assignment, transactions, & analytics dashboards based on role (e.g. McDonald’s, Domino’s Model).
• Pulsar Engineering (Goldman Sachs) – Trading gateway for a Fortune 500 banking client which communicates with different systems and generates large data mapping in JSON Format using in-house tools.

IBM India Pvt. Ltd.

April 2018 - August 2021

Backend Developer & API Architect

• British Petroleum Fastrack (Australia) – Developed RESTful APIs using Loopback Node.js framework, integrated PostgreSQL with ORM and mail services for a QR code-based transaction platform for petrol pumps.
• Suncor Energy (Canada) – Supported & enhanced Android app (Petro Canada); handled crash resolution, monthly Play Store app releases, automation testing via Perfecto, monitoring through Kibana & AppDynamics, resolved penetration testing issues with implementing Rate limiting rule.
• Cloud Automation (IBM India) – Designed and implemented REST APIs using Express JS and Swagger for a chatbot-enabled platform handling automated client queries and reminders via email; integrated Excel customization module using Node.js with MySQL as data source.
• Digital Insight Platform (IBM India) – Led development of a web portal enabling Big Data teams to execute Python/Shell scripts & perform CRUD operations with MySQL and Node.js, integrating child processes to run scripts & deliver to the frontend.
• AI Chatbot (IBM India) – Web based, plug-play chatbot built with Angular & Node.js using IBM Watson cloud for AI & machine learning, featuring custom REST APIs for MySQL DB operations & create custom dictionary with user functions & IBM Watson.

Deer Group Financial Solutions

June 2017 - Apr 2018

Android & API Developer

• This all-in-one financial Android app, built for users and LIC agents, helps manage and track LIC applications/premium with over 150 features and 50 calculators. First one to integrate Aadhar card information. We also managed its launch and social media marketing from scratch.

IOT Based Healthcare System

Software Developer Intern

• Compact, portable health device measures your pulse, BP, moisture, and temperature. It includes a built-in GPS and uploads all data to the Thing Speak cloud, where you can view your health history and analytics on a custom Android app. It also won a Top 10 award across India.

Languages and Databases

Frameworks

Tools