I am a Software Engineer at Circle on the Cross-Chain Transfer Protocol (CCTP) team. I work on cross‑chain infrastructure and improving transaction reliability. Before Circle, I was a Software Engineer at Amazon Ads.

Experience

CircleSoftware Engineer II

2024 — Now

Cross-Chain Transfer Protocol (CCTP)

Contributing to cross-chain infrastructure and enhancing transaction reliability.

Programming Language/Framework used: TypeScript, Node.js, Java, Python, AWS, Temporal, React, REST API, Terraform

AmazonSoftware Development Engineer

2021 — 2024

Manhattan, New York, United States

Communication platform for Amazon Ads

Implemented features such as improving data pipeline, automated monitoring of data fetching issues, and tier-1 service dashboards for an internal communication platform used by marketers in Amazon Ads.

Analyzed existing systems and finding scopes for improvements such as using modern tech stacks and reducing maintenance costs that can also improve the system latency, availability, and reliability within Amazon Ads.

Programming Language/Framework used: Java, AWS, DynamoDB, OpenSearch, Glue, Firehose, Spring, React, REST API

University at BuffaloResearch Assistant

2020 — 2021

Buffalo, New York, United States

Security-related project on ARM TrustZone

Developed an Android application with real-time face recognition to demonstrate the practical usage of our proposed security mechanism for ARM TrustZone.

Optimized the initial Android application significantly by using some optimization techniques (avoiding memory copy, multi-threading, asynchronous calls, etc.) so that it can run faster on the ARM development board.

Programming Language/Framework used: C, Java, Python, Android, JNI

Trusted execution environment (TEE) software project with Rust

Redesigning OP-TEE (an implementation for TEE) storage system using Rust to ensure memory safety.

Verifying the Rust implementation by identifying safety properties (pre-conditions, post-conditions, invariants, etc).

Programming Language/Framework used: Rust, C, Coq, Prusti

More info: https://nsr.cse.buffalo.edu

University at BuffaloTeaching Assistant

2019 — 2020

Buffalo, New York, United States

CSE 250: Data Structures

Graded two written assignments

Organized final exam scores

CSE 220: Systems Programming

Made an automated grader for a C programming assignment

Organized lecture videos

VüSpeechAcademic Intern

2021 — 2021

Amherst, New York, United States

VüSpeech

Developed Django server core infrastructure from scratch, for authentication, real-time transcription, and diagnostics.

Implemented REST APIs with API throttling for user authentication to support mobile applications.

Deployed Django server under Amazon AWS EC2 along with the MySQL database under Amazon AWS RDS.

Programming Language/Framework used: Python, Django, MySQL, REST API, AWS, WebSocket, Speech-to-Text API, Shell Script, Linux

Education

University at Buffalo

Master of Science

2019 — 2021

Bangladesh University of Engineering and Technology

Bachelor of Science

2013 — 2017

Notre Dame College

Higher Secondary School Certificate

2010 — 2012

Motijheel Government Boys' High School

Secondary School Certificate

2000 — 2010