Lead Software Engineer (FAVP) @ ABG Ltd · Bashundhara building Pocket wallet (Backend + Systems)
• Previously, Consultant @ Reddot (Payment) • Senior Software Engineer @ Databird (Messaging + Payment)
• CS Graduate 2019 BUET

👋 Hello, Tanmoy here!

present: java, microservices, kafka, kubernetes, observability
past: ios, messaging, XMPP, erlang, webRTC, react, signal e2e encryption
learning: zk, rust, eth (EL + CL), applied crypto

Software engineer focusing on distributed systems, applied cryptography, data modeling, and computer science in general.

At present, primarily working on payment wallet microservices from the design to the deployment stage. Previously, worked with XMPP, encrypted messaging app & server, webRTC, and payment systems.

Additionally, actively learning and contributing to the ethereum and zk protocols with Rust, solving problems, writing blogs, and making OSS contributions.

Projects

• zkbench - Benchmark of ZKVMs and Proving Schemes - zk bootcamp
• tokenized vault - Yield-bearing smart contract - advanced solidity bootcamp
• zkml - ZK proof system for handwriting/signature verification - zkml bootcamp
• gkr - Recursive GKR Proof Compression - expander bootcamp bounty
• chainrs - Experimental blockchain node built from scratch with Rust
• whiteboard - Real-time video, audio, canvas, PDF sharing & gaming with peer.js & webRTC
• jpeg codec - Experimentation with JPEG codec to study file format internals in C++
• issue-tracker - Index to contributions for future reference and ease of access

_{^{Last edited on: 12/02/2025}}