Rahul Kumar profile photo 1 on Tal

Rahul Kumar

Serving Notice period | IIT Guwahati MnC’25 | SWE-1 @ Cadence | Ex-SDE-1 @ ClearTax | Knight @ Leetcode | Expert @ Codeforces | Full Stack Developer

Bengaluru

3+ years of work experience

Cadence
Oct 202511 mosPresent

On-site

– Optimized C/C++ modules for Static Timing Analysis (STA), improving runtime efficiency by 4% – Reduced timing pessimism by refining SOCV derate calculations via bounding box recomputation – Resolved GBA vs PBA delay inconsistencies, ensuring correct delay bounding and improving timing accuracy – Fixed segmentation faults in STD–SOD flows, improving system stability for customer workloads – Debugged 10+ system-level issues using breakpoints and debuggers, identifying root causes and improving reliability – Developed and validated 20+ test cases, increasing code coverage and handling critical edge cases – Resolved customer-reported issues, implementing fixes and enhancements to meet production requirements
ClearTax
Jun 20253 mosAug 2025

Bangalore Urban

– Migrated 5+ Angular modules to ReactJS, building reusable components and improving maintainability – Applied modern design patterns using React Hooks and functional components, enhancing code scalability – Accelerated development by 75% using AI tools (Claude, Roo-code) – Improved backend integration by implementing RESTful APIs using Java and Spring Boot
Tradeshala
May 20243 mosJul 2024

– Analyzed global financial data and built models to improve forecast accuracy by 80% using key economic indicators – Achieved a performance metric score of 90 and secured a Letter of Recommendation for outstanding contributions
Alcheringa, IIT Guwahati
Jun 20231 yr 3 mosAug 2024

Alcheringa, IIT Guwahati
Aug 202211 mosJun 2023

Guwahati, Assam, India

Rahul’s AI Stack

claude code
claude code
codex
codex
gemini
gemini
openai
openai
githubcopilot
githubcopilot
ChatGPT
ChatGPT

Education

Indian Institute of Technology, Guwahati

Bachelor of Technology, Mathematics

Indian Institute of Technology, Guwahati

20214 yrs2025

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Headline

Serving Notice period | IIT Guwahati MnC’25 | SWE-1 @ Cadence | Ex-SDE-1 @ ClearTax | Knight @ Leetcode | Expert @ Codeforces | Full Stack Developer

About

I am a Software Engineer with a strong interest in backend development, distributed systems, and scalable software engineering. I graduated from IIT Guwahati with a B.Tech in Mathematics and Computing and currently work at Cadence Design Systems as a Software Engineer-I, where I work on Static Timing Analysis (STA), runtime optimization, debugging complex system-level issues, and improving software reliability using C/C++. I have experience building applications using Node.js, Express.js, Spring Boot, ReactJS, Kafka, Docker, MySQL, and MongoDB. During my time at ClearTax, I worked on migrating Angular modules to ReactJS and improving backend integrations using Java and Spring Boot. I enjoy solving challenging engineering problems and have built projects including a microservices-based airline reservation system with concurrent booking support and Kafka-driven asynchronous communication. Alongside development, I actively practice competitive programming and have achieved Codeforces Expert (1755) and LeetCode Knight (1957) ratings.

Location

Bengaluru

AI stack

claude code

codex

gemini

openai

githubcopilot

ChatGPT

Work experience

Software Engineer at Cadence, Oct 2025 - Present · 11 mos, On-site, – Optimized C/C++ modules for Static Timing Analysis (STA), improving runtime efficiency by 4% – Reduced timing pessimism by refining SOCV derate calculations via bounding box recomputation – Resolved GBA vs PBA delay inconsistencies, ensuring correct delay bounding and improving timing accuracy – Fixed segmentation faults in STD–SOD flows, improving system stability for customer workloads – Debugged 10+ system-level issues using breakpoints and debuggers, identifying root causes and improving reliability – Developed and validated 20+ test cases, increasing code coverage and handling critical edge cases – Resolved customer-reported issues, implementing fixes and enhancements to meet production requirements

SDE 1 at ClearTax, Jun 2025 - Aug 2025 · 3 mos, Bangalore Urban, – Migrated 5+ Angular modules to ReactJS, building reusable components and improving maintainability – Applied modern design patterns using React Hooks and functional components, enhancing code scalability – Accelerated development by 75% using AI tools (Claude, Roo-code) – Improved backend integration by implementing RESTful APIs using Java and Spring Boot

Capital Market Analyst at Tradeshala, May 2024 - Jul 2024 · 3 mos, – Analyzed global financial data and built models to improve forecast accuracy by 80% using key economic indicators – Achieved a performance metric score of 90 and secured a Letter of Recommendation for outstanding contributions

Corporate Relations and Marketing Core team Member at Alcheringa'24 at Alcheringa, IIT Guwahati, Jun 2023 - Aug 2024 · 1 yr 3 mos

Corporate relations and marketing Executive at Alcheringa'23 at Alcheringa, IIT Guwahati, Aug 2022 - Jun 2023 · 11 mos, Guwahati, Assam, India

Education

Bachelor of Technology, Mathematics, Indian Institute of Technology, Guwahati

Public links

leetcode: https://leetcode.com/rahul710

codeforces: https://codeforces.com/profile/infinitix