Hesam Sarkhosh

Experience

1. Software Engineer · ether.fi

   Sep 2025 – Apr 2026

   Cayman Islands / Toronto, ON

   • TypeScript
   • React
   • Next.js
   • Node.js
   • NestJS
   • PostgreSQL
   • Amplitude
   • OneSignal
   • LLMs

   A non-custodial DeFi neobank, liquid-restaking protocol, and crypto-backed card platform.

2. Full-Stack Software Engineer · Communere Ltd. (for Agxio Ltd.)

   Oct 2021 – Dec 2024

   Guildford, UK (Remote)

   • React
   • Next.js
   • Node.js
   • Django
   • GraphQL
   • Go
   • Python
   • PostgreSQL
   • RabbitMQ

   Agxio's product suite: a Go microservice platform, microbiome analytics, IoT, and ML tools.

3. Full-Stack Software Engineer · Octal Software and Trade Inc.

   Oct 2020 – Oct 2021

   Istanbul, Turkey / Tehran, Iran

   • Go
   • React
   • TypeScript
   • WebSockets
   • TradingView
   • APISIX

   Core systems for octalbit.com, a Binance-style cryptocurrency exchange.

Education

1. University of Waterloo

   May 2024 – Sep 2026

   MMath in Computer Science (Thesis) · Waterloo, ON, Canada

   • Thesis defended September 2026. Research in crypto money laundering, fraud detection, and AML for Web3 and DeFi in the CrySP lab, funded by Canada's National Cybersecurity Consortium and Mastercard, supervised by Prof. Diogo Barradas.
   • International Master's Award of Excellence (IMAE) and CrySP top-up funding. GPA 3.7/4.0.
   • Coursework: Consensus Protocols & Blockchains; Software Engineering for Big Data & AI.

2. Amirkabir University of Technology

   Sep 2018 – Feb 2023

   B.Sc. in Computer Science · Tehran, Iran

   • Ranked in the top 0.2% of 144,437 candidates in the national university entrance exam. Tuition waiver. GPA 3.7/4.0.
   • Thesis: cross-platform non-custodial crypto wallet (React Native) with novel BIP39 seed generation.

Skills

Languages

JavaScript/TypeScriptPythonGoJavaSQLCSolidity

Front-End

ReactNext.jsReact NativeReduxReact QueryTailwind

Back-End

Node.jsNestJSExpressDjangoGraphQLRESTgRPCWebSocketsRabbitMQKafka

Databases

PostgreSQLMySQLMongoDBRedisSchema designShardingReplicationQuery tuning

Systems

System designMicroservicesDistributed systemsEvent-drivenCachingAPI gateways

Data

ETL pipelinesSparkKafka StreamsData lakesPandasNumPyAmplitudeA/B testing

Security

Fraud detectionAMLRisk analysisOn-chain analysisCryptographyZKPMPCFHETEEPIR

AI/ML

LLMsRAGAnomaly detectionPyTorchscikit-learnGNNs

DevOps

DockerKubernetesCI/CDAWSGCPAzureVercelMonitoring

Practice

OOP/FPDesign patternsTDDDDDGitAgileMentoringClaude CodeMCP

Open source

• CS846-final-project-source-code★ 1

  This repository contains the source code for the paper: `Detecting Potential Fraudulent Trading Patterns in Decentraland: A Data-Driven Analysis of the Ethereum Network and…

  HTML
• solidity-gas-optimizer★ 0

  Ethereum smart contracts can be expensive. This project investigates gas optimization techniques in Solidity and develops a static analysis tool to identify and suggest…

  Python
• functional-hooks★ 1

  Just another react custom hook library focused on being light-weight, simple, and easy to use.

  TypeScriptnpm
• crypto-wallet★ 1

  A cross‑platform cryptocurrency wallet for mobile devices featuring an alternative approach to BIP39 mnemonics in creating the master‑seed used in BIP32 HD‑wallets , that improves…

  TypeScript
• reverse-proxy★ 0

  A fully functional, configurable yet simple reverse-proxy which you can use it to manage and secure your existing applications.

  TypeScript
• web-scrapper★ 0

  A simple tool for cloning website sources in a click of a button.

  TypeScript
• golang-mail-server★ 1

  An email notification and admin system for schools, written in Go.

  Go
• e-track-extension★ 1

  A typescript manifest/v3 chrome extension. I intend to develop it to become a mail tracker with some unique features not available on the market.

  JavaScript

Also: an upstream fix for candlestick rendering on low timeframes, merged into TradingView's public charting library. More on GitHub.

Publications

1. The Dark Art of Financial Disguise in Web3: Money Laundering Schemes and Countermeasures

   H. Sarkhosh, U. Maroof, and D. Barradas. Proc. 20th Annual APWG Symposium on Electronic Crime Research (eCrime), 2025. First author.

2. Inside the Crypto Laundering Machine: A Taxonomic Study of Crypto Money Laundering Schemes and Countermeasures

   H. Sarkhosh. MMath thesis, University of Waterloo, 2026. Defended September 2026.

Teaching

• Graduate Teaching Assistant, University of Waterloo 2024 – 2026

  CS 459/698 Security & Privacy (designed assignments and the final exam), CS 231 Algorithmic Problem Solving, CS 246E Object-Oriented Software Development, CS 116 Intro to CS.

• Guest Lecturer, University of Waterloo Winter 2025

  Blockchain security, in CS 459/698 Security & Privacy.

• Undergraduate Teaching Assistant, Amirkabir University of Technology 2019 – 2022

  Web Programming (React/TypeScript) and Advanced Programming (OOP/Java).

Off the keyboard

Guitar

Click here or pick a chord

AACCDDEEFFGGE7SAmZEmXDmVStrum Space

I play guitar, and this one is playable. Hold a letter for a chord and press Space to strum, or click the buttons.

Hotel California · Eagles

My favourite song. Chords only, because the lyrics are copyrighted and I would rather my first site visitors not be the Eagles' lawyers. Sing whatever words you remember.

Intro (twice)

Am ZE7 SG GD DF FC CDm VE7 S

Verse

Am ZE7 SG GD DF FC CDm VE7 S

Chorus

F FC CE7 SAm ZF FC CDm VE7 S

Tennis

Weekend rallies. My backhand is a work in progress.

Photography

Mostly landscapes, occasionally people who didn't notice.

Drone footage

Amateur drone shots from places worth the drive. More on my channel, Where Wings Wander.

Dead Man's Flats, Canmore, Alberta, Canada | Summer 2025

Contact