Sujal Gupta

I'm Sujal. This is my little hypertext garden on the Internet — make yourself at home!

Recent Writings

□ System-Design ● Sujal Gupta published on 26-Dec-2024

Building Low-Latency Systems with GoLang and C++

Deep dive into building high-performance systems: goroutine pools, memory optimization, Linux kernel tuning, and real-time processing patterns from my work at TCS on NSE/BSE exchange simulators.

GoLang C++ Linux Performance

Advanced Data Structures for Competitive Programming

From my CodeChef problem-setting experience: segment trees with lazy propagation, Fenwick trees, Trie optimizations, and when to use which data structure for optimal solutions.

Data Structures Algorithms Competitive Programming C++

Building a Serverless Newsletter & Contact System That Scales to Millions

Build a serverless newsletter system with Cloudflare Workers: multi-provider email support, RSS automation, bot protection, contact forms, and production-ready code examples.

Cloudflare-Workers Serverless Newsletters Web Services

https://sujal.pages.dev/posts/serverless-newsletter/

□ Distributed-Systems ● Sujal Gupta published on 20-Dec-2024

Kafka Integration Patterns for Real-Time Systems

From integrating Apache Kafka at TCS for NSDL/CDSL depository feeds: producer-consumer patterns, exactly-once semantics, schema registry, and monitoring strategies.

Kafka GoLang Real-Time Microservices

Professional Journey

Tata Consultancy Services (TCS)

Software Engineer (Innovator)

AUG 2024 – Present

Migrated Order Routing Software to RHEL 9.4
Built NSE/BSE exchange simulators in GoLang
Integrated Kafka for real-time depository feeds
Achieved sub-millisecond processing performance

GoLangC++KafkaRHELLinux

CodeChef

Problem & Module Setter (Intern)

April 2023 – June 2023

Designed algorithmic problems with focus on optimization
Built learning modules for DSA and competitive programming
Created efficient database queries for problem management

JavaC++PythonDSA

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