Daniel Chew

Software Engineer

Summary

Software engineer with extensive experience building scalable blockchain infrastructure and web applications. Graduated with distinction from the National University of Singapore with a Bachelor of Computing (Honours) in Computer Science. Proven track record of delivering high-impact projects, from migrating databases that achieved 4x performance improvements to building production systems serving global users. Passionate about learning new technologies and building innovative solutions, including cryptocurrency trading bots and price tracking systems. Former AWS Cloud Architect with 12/12 certifications.

Experience

Software Engineer

Sep 2021 - Jul 2025

Pyth Data Association/Douro Labs (Pyth Network)

  • Joined as the first engineering hire, working as a full stack engineer across website and backend systems
  • Migrated production database from Amazon Timestream to ClickHouse, achieving 4x faster queries and 3x lower costs
  • Built end-to-end data infrastructure including ingestion pipeline, analytics, and historical price data service from scratch, now a core product used by thousands of protocols
  • Developed the algorithm that ranks and rewards data publishers, key to incentivizing the ecosystem
  • Redesigned and rebuilt the main website (Gatsby to Next.js), built the staking website from scratch, and developed the internal governance portal
  • Delivered smart contracts on EVM, TON (Telegram Open Network), Fuel Network and more
  • Wrote queries and created dashboards on Dune for Pyth metrics (token and staking), resulting in over 100k views, 500+ forks and 600+ stars
  • Held technical workshops on integrating Pyth into on-chain and off-chain applications across multiple countries (Seoul, Singapore, Virtual) for 100+ developers
  • Maintained and implemented new features for Pyth's main price feeds contract and monitoring/alerting systems

Associate Cloud Architect

Sep 2020 - Sep 2021

Amazon Web Services

  • Fully 12/12 AWS Certified within 7 months time of joining the company
  • Developed PoC for a local government organisation on creating isolated compute environments to protect sensitive data such as PII, healthcare, financial and intellectual property data through AWS Nitro Enclaves
  • Implemented ETL data processing and querying in a serverless data lake with the use of RDS, S3, Glue, and Athena
  • Customer Satisfaction Score (CSAT) of 10/10
  • Deployed landing zone for a local public sector organisation, which serves as a home for organisations and their accounts. Implemented multi-account strategy for organisations, such as central logging solution and wrote automation scripts to provision infrastructure through customisations for AWS Control Tower

Software Engineer

Jan 2018 - Dec 2018

ChromaWay

  • Full-stack developer, mostly using the rapid prototyping process to build applications, using in-house, open-sourced, blockchain platform Postchain as backend
  • Worked on building the compiler for Rell (a language for relational blockchain programming) to compile it to SQL. Rell is much more type-safe than SQL, allows for meta-programming and is up to 7x more compact than SQL
  • Created detached contract template in an ASiC container. The detached contract template takes the values in the smart contract and makes a text document with legal text between the fields
  • Worked on developing the application for Green Assets Wallet which is the world's first blockchain based platform for easy validation and impact reporting of green bonds
  • Wrote unit tests for the application build, configure deployment to server, work with SQL database, and user interface implementation
  • Presented to an audience of over 100 people about the company's technology

Education

Bachelor of Computing (Honours) in Computer Science

Aug 2016 - Jun 2020

National University of Singapore

Distinction. Focus area in Software Engineering.

Skills

RustPythonJavaScriptJavaCSolidity (EVM)FunC (TON)Sway (Fuel)NextJSTailwind CSSAWSReactReact NativeExpoSwiftClickHousePostgresDynamoDBFirebase