---
title: "Abhirup Kundu - Software Engineer in Kolkata | Tal"
description: "Meet Abhirup Kundu, Software Engineer @ Mastercard || E&ECE @ IIT KHARAGPUR’25 || Publications @ ICWSM’26(Google DeepMind) || Expert@Codeforces || Guardian(2151)@Leetcode || 5 ⭐(2029) @Codechef || Ex-Intern@Adobe based in Kolkata. AI stack includes cursor, opencode, and claudecode. Explore public w..."
image: "https://tal.club/meet/abhirup-kundu/share-image"
---

# Abhirup Kundu on Tal

## Headline

Software Engineer @ Mastercard \|\| E&ECE @ IIT KHARAGPUR’25 \|\| Publications @ ICWSM’26\(Google DeepMind\) \|\| Expert@Codeforces \|\| Guardian\(2151\)@Leetcode \|\| 5 ⭐\(2029\) @Codechef \|\| Ex\-Intern@Adobe

## About

I'm a 2025 ECE graduate from IIT Kharagpur, currently working as a Software Engineer at Mastercard on real\-time fraud scoring pipelines using Golang\-based backend microservices\. My research on fake news detection was accepted at AAAI ICWSM 2026, in collaboration with Google DeepMind\. On the competitive programming side, I'm a Codeforces Expert, LeetCode Guardian, and CodeChef 5\-star with 1000\+ problems solved\. I've qualified for Meta Hacker Cup Round 2 multiple times\. I'm passionate about building scalable systems and solving hard problems — always open to connecting with like\-minded engineers and opportunities in top\-tier product companies\.

## Location

Kolkata

## AI stack

cursor

opencode

claudecode

## Work experience

Software Engineer at Mastercard, Jun 2025 \- Present · 1 yr 3 mos, Gurugram, Building Golang backend microservices for real\-time fraud scoring pipelines processing 750M\+ transactions/month across UK payment schemes Designed Transaction Deduplication Microservice using Redis Bloom filters ensuring 100% consistency via time\-partitioning and atomic Lua operations Built Match API for transaction lookup via fuzzy matching on account pairs, timestamps and amount tolerances Improved observability across 5\+ microservices; built Kibana dashboards reducing mean debug time by \~30%

Intern at Adobe, May 2024 \- Jul 2024 · 3 mos, Bengaluru, Developed Docutree, a hierarchical tree\-based document update model preserving coherence across section/paragraph levels Built a three\-module pipeline \(Selector, Scorer, Validator\) using sBERT and cosine similarity for content placement Outperformed GPT\-4o zero\-shot baseline by 15\-19% and LLaMA\-3\.1\-8B by 18\-21% on document update tasks

## Education

Bachelor of Technology \- BTech, Electrical and Electronics Engineering, Indian Institute of Technology, Kharagpur

## Public links

- github: https://github\.com/BlackSwan18

[View the original profile](https://tal.club/meet/abhirup-kundu)

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