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Punit Singh

Software Engineer @ Airbnb - Altimetrik | Payments

India

1+ year of work experience

Airbnb
Oct 20251 yr 1 moPresent

Bengaluru, Karnataka, India

• Designed and developed scalable RESTful APIs, implementing asynchronous processing using CompletableFuture to enhance performance and handle high-concurrency financial operations efficiently. • Integrated API to enable secure multi-currency transactions, including withdrawals, bank transfers, currency conversions. • Implemented real-time stablecoin wallet transaction visibility with scalable pagination supporting 1-100 records per request, along with date-based filtering and multi-currency support to improve user experience. • Worked on validating Large Language Models (LLMs) within Airbnb’s Payments Platform. My focus is on designing and implementing systems where LLM acts as a judge to evaluate model outputs, ensure accuracy, and enhance decision quality across payment workflows.
Target
Feb 20257 mosAug 2025

Bengaluru, Karnataka, India

• Worked on the Simulation of Guest Order Allocation in the Last Mile Supply Chain team to improve delivery efficiency through data-driven insights. • Developed a Streamlit dashboard to visualize accuracy metrics from pipeline-generated CSVs, enabling interactive exploration and real-time monitoring of simulation performance.

Punit’s AI Stack

claude code
claude code
codex
codex

Education

National institute of technology Agartala

Bachelor of Technology - BTech, Computer Science and Mathematics

National institute of technology Agartala

20214 yrs2025

High School Diploma, Mathematics and Science

JD Public School

20182 yrs2020

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Punit Singh on Tal

Headline

Software Engineer @ Airbnb - Altimetrik | Payments

About

I’m a software developer and engineer who enjoys solving real-world problems through clean, scalable, and efficient code. I’m passionate about building systems that not only work but perform seamlessly at scale. During my internship at Target, I worked on the Guest Order Allocator (GOA) simulation project, where I helped improve the accuracy pipeline by comparing simulator outputs with live allocator results. This experience strengthened my skills in backend development, data validation, and performance analysis, while giving me hands-on exposure to large-scale distributed systems. I love exploring new technologies, collaborating on impactful projects, and continuously pushing myself to write better, smarter code every day.

Location

India

AI stack

claude code

codex

Work experience

Software Engineer at Airbnb, Oct 2025 - Present · 1 yr 1 mo, Bengaluru, Karnataka, India, • Designed and developed scalable RESTful APIs, implementing asynchronous processing using CompletableFuture to enhance performance and handle high-concurrency financial operations efficiently. • Integrated API to enable secure multi-currency transactions, including withdrawals, bank transfers, currency conversions. • Implemented real-time stablecoin wallet transaction visibility with scalable pagination supporting 1-100 records per request, along with date-based filtering and multi-currency support to improve user experience. • Worked on validating Large Language Models (LLMs) within Airbnb’s Payments Platform. My focus is on designing and implementing systems where LLM acts as a judge to evaluate model outputs, ensure accuracy, and enhance decision quality across payment workflows.

Intern at Target, Feb 2025 - Aug 2025 · 7 mos, Bengaluru, Karnataka, India, • Worked on the Simulation of Guest Order Allocation in the Last Mile Supply Chain team to improve delivery efficiency through data-driven insights. • Developed a Streamlit dashboard to visualize accuracy metrics from pipeline-generated CSVs, enabling interactive exploration and real-time monitoring of simulation performance.

Education

Bachelor of Technology - BTech, Computer Science and Mathematics, National institute of technology Agartala

High School Diploma, Mathematics and Science, JD Public School

Punit Singh - Software Engineer in India | Tal