Seiji Ito

Seiji Ito

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Tustin, California, United States
Contact Seiji regarding: 
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Full-time jobs
Starting at USD40/hour
Flexible work
Starting at USD40/hour
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Timeline

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Résumé

Jobs verified_user 0% verified
  • O
    Sr FullStack & Solana Developer
    OTSea, Guru
    May 2024 - Jul 2026 (2 years 3 months)
    • Built the P2P trading smart contract on Solana (OTSea).
    • Built the PAMM DeFi smart contract on Solana (Guru).
    • Built the onchain data syncing structure with onchain webhooks and backend triggers.
    • Solved the coming problems while implementing complex trading logics such as the bundle transaction submission and multi-sign transaction submission.
    • Built the DEX arbitrage bot on Aptos, SUI, Base, Arbitrum.
    • Built the blockchain bots like as sniper bot and volume bot.
    • Built a P2P trading platform (OTSea) on EVM chains and Solana which allows users to swap tokens with another.
    • Built the Fund management System (guru.
  • C
    Full Stack & Blockchain Lead Developer
    CatheonGaming
    Apr 2022 - Apr 2024 (2 years 1 month)
    • As a key full stack & EVM blockchain developer, I led the creation of unique game NFTs and integrated web3 technologies such as Solidity, Rust, Polygon, and IPFS on CatheonGaming, a popular online game platform. I published over 10 live web3 DApps and contributed to several events, winning awards and recognition for my innovative and high-quality work.
    • Used various front-end technologies, such as React, Vue, TypeScript, Alpine.js, Livewire, Tailwind, Styled Component, and GraphQL
    • Used various back-end technologies, such as Golang, Node.js, PHP, Laravel, Python, and Java
    • Used cloud services, such as AWS EC2, S3, Lambda, DynamoDB, AuroraDB, SES, SQS, and GCP
    • Built back-end endpoints with Nest.js, Prisma, and Type
  • A
    Full Stack Engineering Lead
    Airlex K.K.
    Feb 2018 - Feb 2022 (4 years 1 month)
    • Worked as a project manager, developed and maintained a large-scale Japanese social chat system
    • Built a secure chat system similar to Line, using Node.js and Swift for the signaling server and iOS app side
    • Used P2P connection, WebRTC video/audio calls, and various message types, such as text, image, video, and location
    • Experienced in server-load-distribution, server and mobile app maintenance, and project management
    • Developed E-Commerce systems with .NET, PHP-Laravel, React.js, and Vue.js
    • Used AWS Lambda, S3 Storage, SQS Queue, and Web Socket communication
    • Developed and maintained mobile apps with React Native and Flutter
  • Algolia
    Senior Software Engineer
    Algolia
    Oct 2014 - Feb 2018 (3 years 5 months)
    • Worked on many small and medium productions and participated in HS API library development
    • Algolia provides a hosted search API that allows websites and mobile applications to increase user engagement and conversions
Education verified_user 0% verified
  • The University of Hong Kong
    Bachelor's degree in Computer Science
    The University of Hong Kong
    Sep 2009 - Aug 2012 (3 years)