Summary
Overview
Work History
Education
Skills
Projects
Languages
Accomplishments
Timeline
Generic

CHANDAN KUMAR YADAV

Bhopal

Summary

Software Developer with three years of experience in SQL, PL/SQL, and backend programming in the fintech domain. Skilled in authorization systems, ISO 8583 message flows, and credit transaction processing across major payment networks, including Mastercard, Visa, Amex, RuPay, and Discover. Hands-on experience in scheme mandates, ADC enhancements, and network certifications. Proficient in SQL Server, CockroachDB, Python, and TCP/IP simulators, with strong analytical skills, and the ability to deliver secure and efficient financial solutions.

Overview

4
4
years of professional experience

Work History

Software Developer

CoreCard Software India Pvt. Ltd.
Bhopal
07.2024 - Current
  • Currently working on Discover credit processing, and successfully completed network certification for Discover.
  • Enhanced existing authorization flows for Mastercard, Visa, RuPay, and Amex by implementing new ADC models, feature enhancements, and client-specific changes.
  • Handled scheme mandates (biannual updates) for Mastercard, Visa, RuPay, and Amex to ensure compliance with the latest network requirements.
  • Improved backend workflows and optimized SQL scripts for high-volume transaction stability.

Associate Developer

CoreCard Software India Pvt. Ltd.
Bhopal
07.2023 - 06.2024
  • Optimized backend components, reducing average transaction processing time by 15%.
  • Supported production deployments, bug fixes, and 150+ feature enhancements.
  • Enhanced backend components for card transactions, supported UAT/production deployments, and helped reduce transaction processing time by 15% through efficient code, and optimized SQL scripts.

Trainee Engineer

CoreCard Software India Pvt. Ltd.
Bhopal
07.2022 - 07.2023
  • Built TCP/IP workflows for card simulators (MasterCard, Visa, Rupay and Amex).
  • Developed and tested validation logic for real-time credit transactions.
  • Assisted in improving test accuracy and early-stage performance tuning.

Intern

CoreCard Software India Pvt. Ltd.
Bhopal
02.2022 - 06.2022
  • Developed workflows using the TCP/IP model to connect with Mastercard, Visa, Amex, RuPay, and Discover.
  • Configured simulations and ADC models for authorization processing.
  • Gained exposure to real-time financial transaction flows and secure payment processing.

Education

B.Tech - Computer Science

Radharaman Institute of Technology & Science
Bhopal
05.2022

Skills

  • PL/SQL and SQL Server
  • Python programming
  • Database management
  • TCP/IP networking
  • Microsoft Excel, Word, and PowerPoint
  • Microsoft Azure cloud services
  • Postman API testing
  • C# development
  • HTML and CSS
  • React framework

Projects

Real-Time Authorization Platform, 06/01/22, Developed multi-scheme logic for credit card processing (Visa, Mastercard, Amex, Discover, RuPay)., Bhopal, Madhya Pradesh 3DS 2.0 & OTP-Based Authentication, 05/01/23, 07/31/24, Integrated 3DS 2.0 with secure OTP-based Two-Way Authentication., Bhopal, Madhya Pradesh Fallback & Enrichment Logic, Built platform-level support for STIP fallback, tokenization, and decline code handling.

Languages

  • Hindi (Native)
  • English

Accomplishments

  • Awarded for outstanding contribution in backend development and transaction processing optimization.

Timeline

Software Developer

CoreCard Software India Pvt. Ltd.
07.2024 - Current

Associate Developer

CoreCard Software India Pvt. Ltd.
07.2023 - 06.2024

Trainee Engineer

CoreCard Software India Pvt. Ltd.
07.2022 - 07.2023

Intern

CoreCard Software India Pvt. Ltd.
02.2022 - 06.2022

B.Tech - Computer Science

Radharaman Institute of Technology & Science

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