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Avatar of Fatima Maldonado.
Avatar of Fatima Maldonado.
Solidity, Go and Rell developer @ChromaWay
2022 ~ Present
Full Stack & Blockchain Developer
Within two months
. JuneDecember 2019 Technical Team Leader Azumo Designing a system for beverages supply chain traceability using Solidity smart contracts. Deploying to Ethereum and other EVM-compatible blockchains. Using Hardhat and OpenZeppelin. JanuaryJune 2019 Solidity developer The Hydro Project Built a protocol for issuing regulated Securities on the Ethereum blockchain JuneDecember 2018 Solidity developer SouthX Miscellaneous DeFi projects including a DEX. SeptemberMarch 2018 Technical Writer PACKT PUBLISHING LIMITED Wrote and published a book on Solidity coding – Defi https://www.amazon.com/Introduction- Blockchain-Ethereum-transactions-decentralized/dp/MarchJune 2017 Bitcoin
Solidity smart contracts
Openzeppelin
Hardhat
Employed
Ready to interview
Full-time / Remote Only
10-15 years
Avatar of the user.
Avatar of the user.
Design Lead @DigiFinex PTE. LTD. (Singapore)
2022 ~ 2023
UI/UX/產品設計
Within one month
HTML/CSS
Sketch
UX Research
Employed
Ready to interview
Full-time / Interested in working remotely
4-6 years
國立臺北科技大學
創新設計研究所 - 設計心理Lab
Avatar of the user.
Avatar of the user.
資深區塊鏈工程師 @領投肯科技股份有限公司
2021 ~ Present
網頁前端/後端工程師/區塊鏈工程師
Within one month
PHP
python
C
Employed
Not open to opportunities
Full-time / Remote Only
6-10 years
國立台灣大學
csie
Avatar of Davis Dai.
Offline
Avatar of Davis Dai.
Offline
Past
Senior Software Engineer @Perpetual Protocol
2021 ~ 2023
Backend Software Developer
Within six months
Davis Dai Senior Backend Software Engineer Taipei,TW [email protected] Skills 2+ years blockchain data processing Typescript, Node.js, Ethers.js, Ethereum/Optimism blockchains 8+ years RESTful, GraphQL API development Typescript, Python, Django, golang 8+ years infrastructure DevOps AWS, GCP, Serverless, Kubernetes, Terraform Work Experience Perpetual Protocol , Senior Software Engineer, May 2021 ~ Aug 2023 Backend service development Blockchain data processing Rewarding system Trading bots RESTful API, GraphQL API Typescript, Node.js, Mocha, Ethers.js Infrastructure DevOps AWS, Kubernetes, EKS, Lambda, DynamoDB, AppSync, S3, Route53, CloudFront Serverless Framework, Github CI
Python
Django
RESTful WebServices
Unemployed
Not open to opportunities
Full-time / Interested in working remotely
10-15 years
國立交通大學
資訊科學與工程
Avatar of Ian Joseph Chandra.
Avatar of Ian Joseph Chandra.
Full-time Research Assistant @National Taiwan University of Science and Technology
2022 ~ Present
Project Manager
Within six months
in music and multimedia systems. Researching and integrating multimedia and sound systems. Coaching programming skills. Tools: Propresenter, Sound Mixer, Ableton Graduate Research Assistant National Taiwan University of Science and Technology OctoberSeptember 2022Taipei, Taiwan Researched cryptographic data hiding implementation for Decentralized Electronic Health Record (EHR) Systems. Tools: Ethereum, Solidity, BigchainDB (MongoDB-based decentralized-DB), express.js, web3.js, Angular, pandas, cryptographic libraries. Undergraduate Research Assistant Universitas Indonesia AugustJuly 2020 Depok, Indonesia Researched Ethereum Blockchain implementation on Electronic Health Record (EHR) systems. Tools: Ethereum, Solidity, web3.js, PostgreSQL, expressJS, Angular. Big Data
Ethereum
Angular
Laravel
Employed
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
National Taiwan University of Science and Technology
Electronic and Computer Engineering
Avatar of the user.
Avatar of the user.
Senior Full Stack Developer @FLOCHIP
2021 ~ 2023
Within six months
React
Next
Gatsby
Full-time / Remote Only
6-10 years
Curtin University Malaysia
Computer Science
Avatar of Biru Bin Mail.
Avatar of Biru Bin Mail.
Full Stack Ecommerce Developer @CYFER
2021 ~ 2023
Within six months
and overall user experience. Senior Full Stack Developer MINDSET AG JanuaryFebruary 2021 Kuala Lumpur, Malaysia • Developed node.js server to validate membership and track digital badges being used. • Rebuilt 4-year-old SaaS application in React 15 and Redux with full user experience redesign to release a beta MVP in 8 months. • Rewrote HTML to meet industry and company standards for SEO and Accessibility. • Introduced Kanban Board style ticketing system to promote highly efficient asynchronous and synchronous work, increasing efficiency by 8%. • Deployed a Smart contract application in Ethereum Blockchain alon...
C#
ASP.NET
.NET Core
Full-time / Remote Only
6-10 years
SEGi University
Computer Science
Avatar of 魏川博.
Avatar of 魏川博.
資深軟體工程師 @泰瑋電子股份有限公司
2022 ~ 2023
Within six months
— 魏川博 擅長於學習研究新興技術/專案翻修重構/性能優化處理/DevOps與Infra監控架設相關問題 工作經驗最多在.Net後端與iOS/Android相關的開發應用 Taichung City, Taiwan 工作經歷 十二月Present 資深軟體工程師 泰瑋電子股份有限公司 .Net Framework 遊戲專案研發
C#
.Net framework
.NET Core
Employed
Full-time / Remote Only
6-10 years
私立僑光科技大學
資訊科技系
Avatar of Rogerio falcone.
Avatar of Rogerio falcone.
Senior Solidity Developer @Freelancer.com
2022 ~ Present
Senior Solidity Developer
Within two months
/ Solana smart contracts development. Demonstrated success developing and seamlessly executing smart contracts in complex DeFi and DEX structures. Recognized for maximizing performance by implementing appropriate project management through analysis of details to ensure quality control and an understanding of emerging technology. Expertise includes developing and auditing blockchain smart contracts with various Blockchain networks including Ethereum, Binance Smart Chain, Polygon, And Solana . Ethereum blockchain and Solidity programming. Solana and Rust programming. Work Experience Senior Smart Contract Developer • Freelancer.com (Full-time) FebruaryPresent - Development of vault smart contracts and unit tests, deployment scripts using
Full-time / Remote Only
4-6 years
University of Ita
Bachelor's degree Computer Programming
Avatar of Roman Tabunscic.
Avatar of Roman Tabunscic.
Cryptocurrency Project Manager @Blockchain-Service
2017 ~ Present
Cryptocurrency Project Manager
Within one year
Roman Tabunscic Crypto Project Manager Moldova Highly organised and adaptable Crypto Project Manager with 5 years experience supporting product delivery in Crypto and the IT sector. Experience with complex integrations, task and people management, processing user stories using Jira, cryptocurrency market reports and presentations for board meetings, arranging meetings and events, and supporting senior management with ad hoc projects. Experience with custodian and non-custodian crypto wallets, CEXs, DEXs, smart-contracts and blockchain. Work Experience Cryptocurrency Project Manager • Blockchain-Service JanuaryPresent BLOCKCHAIN SERVICE — an e-commerce fintech crypto company. Deals with technically complex, high-load, resource
Jira . Scrum . Agile
Project Management
Spreadsheets
Employed
Full-time / Interested in working remotely
4-6 years
Ivanovo State University
Psychology

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Within six months
Senior Backend Software Engineer
Logo of Perpetual Protocol.
Perpetual Protocol
2021 ~ 2023
Taipei, 台灣
Professional Background
Current status
Unemployed
Job Search Progress
Not open to opportunities
Professions
Back-end Engineer
Fields of Employment
Blockchain, Information Services
Work experience
10-15 years
Management
I've had experience in managing 1-5 people
Skills
Python
Django
RESTful WebServices
Heroku
Git
Github
Unit Testing
JavaScript
EC2
S3
Route53
Elastic Beanstalk
RDS
Redis
CloudFront
Lambda
Cloudwatch
Kubernetes
Golang
GitLab
CI/CD
GCP
Docker
VSCode
Terraform
GraphQL
Appsync
DynamoDB
Serverless Framework
TypeScript
NodeJs
ethers.js
Ethereum Blockchain
Optimism
Languages
English
Intermediate
Chinese
Native or Bilingual
Job search preferences
Positions
Backend Software Developer
Job types
Full-time
Locations
Taipei, 台灣
Remote
Interested in working remotely
Freelance
No
Educations
School
國立交通大學
Major
資訊科學與工程
Print
User 4309 1466407230

Davis Dai

 

Senior Backend Software Engineer
Taipei,TW
[email protected]

Skills

  • 2+ years blockchain data processing 
    • Typescript, Node.js, Ethers.js, Ethereum/Optimism blockchains
  • 8+ years RESTful, GraphQL API development
    • Typescript, Python, Django, golang
  • 8+ years infrastructure DevOps 
    • AWS, GCP, Serverless, Kubernetes, Terraform

Work Experience

Perpetual Protocol, Senior Software Engineer, May 2021 ~ Aug 2023

  • Backend service development
    • Blockchain data processing
    • Rewarding system
    • Trading bots
    • RESTful API, GraphQL API
    • Typescript, Node.js, Mocha, Ethers.js
  •  Infrastructure DevOps
    • AWS, Kubernetes, EKS, Lambda, DynamoDB, AppSync, S3, Route53, CloudFront
    • Serverless Framework, Github CI/CD

DISHRANK, Senior Backend Developer, Sep 2020 ~ May 2021

  • RESTful API development
    • Golang, GraphQL
  • Infrastructure DevOps
    • Gitlab, Jenkins, MySQL, Terraform, Kubernetes, AWS, EKS, RDS

Trip+, Senior Backend Developer, May 2015 ~ Sep 2020

Point & miles online store, Jan 2018 ~ Sep 2019

  • The only one authorized store in Chinese market with real-time miles transaction 
  • Multi-gateway (Stripe, Square) checkout flow which selects gateway by credit card issuing country to save transaction fee
  • Fraud radar which has blocked fraud groups and secured 1M+ USD
  • Co-worked with airline award program team (Avios and LifeMiles) for API integration
Chatbot service from scratch, Mar 2019 ~ Jun 2019 (hundreds of daily users)

  • Conversational and contextual query development with integrating state machine and 3rd party messaging and NLP services
  • Solution research and architecture design. Reduced annual cost from $5,000 to $600.
  • Leading backend team (2 members), DevOp, RESTFul API, Documentation

Point & miles UGC platform ,Oct 2018 ~ Mar 2019 (hundreds of daily users)

  • Credit card recommendation algorithm based on user preference and reading content
  • Architecture optimization
    • Offloaded routine work to serverless service (AWS Lambda) and reduced Redis cache
    • Reduced cost $50+ / month
  • Leading backend team (1 member), DevOp, RESTFul API, co-working product SPEC

Miles based flight search engine, May 2015 ~ Oct 2018 (thousands of monthly users)

  • Algorithm development for award ticket achievement. 2.5x faster to get award ticket. 
    • OTA API integration includes Priceline, Skyscanner, Kiwi and Sabre
    • Airfare crawlers development for EVA air, Japan Airlines and Expedia
  • Performance optimization. Calculating 225K awards and 0.5M flight routes in 1 second
  • Wallet crawlers for 20 airline award programs 
    • Headless browser, proxy and captcha-crack services integration for crawlers 
  • Leading backend team (1 member), DevOp, RESTful API, unit testing, co-working with frontend and designer for product SPEC
  • Business development with Priceline, HotelsCombined, MilesWallet (acquired) 
Technology
  • AWS, EC2, Load Balancer, RDS (PostgreSQL), S3, Elastic Beanstalk, Route53, Lambda, CloudWatch, Redis, DynamoDB, Azure, LUIS, Pubnub, OneSignal, Cloudflare, Heroku 
  • RESTful API, Django, Django REST framework, Django-silk, Wagtail, Zappa, Swagger API

Company@2x

Pichat, Backend Developer, Feb 2014 ~ May 2015

  • RESTful API development with Django, Django REST Framework and AWS

Company@2x

Acer, R&D Manager, Jan 2008 ~ Feb 2014

R&D Manager, Dec 2012 ~ Feb 2014 

  • Leading a task force with 5 members for product planning and prototyping
  • C++/CX, design thinking, cross-functional communication
Associated R&D Manager, Dec 2010 ~ Dec 2012
  • Co-working with Intel US team to optimize graphic performance of Acer Ring app on Windows tablet. The performance is 10% faster than iPad. 
  • C++, Direct2D, cross-functional communication
Senior Project Researcher, Jun 2009 ~ Dec 2010
  • C#, .NET Framework, WPF
Project Researcher, Jan 2008 ~ Jun 2009
  • C#, .NET Framework, WPF

Company@2x

Education

National Chiao Tung University, master's degree, computer science, 2005 ~ 2007

Thesis: Improving Xen Network Throughput by Bypassing Driver Domain

Djcv1r1di57xuujgx9pf

Nation Chung Cheng University, bachelor's degree, computer science, 2001 ~ 2005

Dp6fhrawlqqwssjmawf7

Kaohsiung Senior High School, 1998 ~ 2001

Jlb1cdizmcysnbifyg3s

Honors & Awards

  • 500 startups accelerator program batch 21 in Silicon Valley (April 2017 ~ Jun 2017) - TripPlus

Resume
Profile
User 4309 1466407230

Davis Dai

 

Senior Backend Software Engineer
Taipei,TW
[email protected]

Skills

  • 2+ years blockchain data processing 
    • Typescript, Node.js, Ethers.js, Ethereum/Optimism blockchains
  • 8+ years RESTful, GraphQL API development
    • Typescript, Python, Django, golang
  • 8+ years infrastructure DevOps 
    • AWS, GCP, Serverless, Kubernetes, Terraform

Work Experience

Perpetual Protocol, Senior Software Engineer, May 2021 ~ Aug 2023

  • Backend service development
    • Blockchain data processing
    • Rewarding system
    • Trading bots
    • RESTful API, GraphQL API
    • Typescript, Node.js, Mocha, Ethers.js
  •  Infrastructure DevOps
    • AWS, Kubernetes, EKS, Lambda, DynamoDB, AppSync, S3, Route53, CloudFront
    • Serverless Framework, Github CI/CD

DISHRANK, Senior Backend Developer, Sep 2020 ~ May 2021

  • RESTful API development
    • Golang, GraphQL
  • Infrastructure DevOps
    • Gitlab, Jenkins, MySQL, Terraform, Kubernetes, AWS, EKS, RDS

Trip+, Senior Backend Developer, May 2015 ~ Sep 2020

Point & miles online store, Jan 2018 ~ Sep 2019

  • The only one authorized store in Chinese market with real-time miles transaction 
  • Multi-gateway (Stripe, Square) checkout flow which selects gateway by credit card issuing country to save transaction fee
  • Fraud radar which has blocked fraud groups and secured 1M+ USD
  • Co-worked with airline award program team (Avios and LifeMiles) for API integration
Chatbot service from scratch, Mar 2019 ~ Jun 2019 (hundreds of daily users)

  • Conversational and contextual query development with integrating state machine and 3rd party messaging and NLP services
  • Solution research and architecture design. Reduced annual cost from $5,000 to $600.
  • Leading backend team (2 members), DevOp, RESTFul API, Documentation

Point & miles UGC platform ,Oct 2018 ~ Mar 2019 (hundreds of daily users)

  • Credit card recommendation algorithm based on user preference and reading content
  • Architecture optimization
    • Offloaded routine work to serverless service (AWS Lambda) and reduced Redis cache
    • Reduced cost $50+ / month
  • Leading backend team (1 member), DevOp, RESTFul API, co-working product SPEC

Miles based flight search engine, May 2015 ~ Oct 2018 (thousands of monthly users)

  • Algorithm development for award ticket achievement. 2.5x faster to get award ticket. 
    • OTA API integration includes Priceline, Skyscanner, Kiwi and Sabre
    • Airfare crawlers development for EVA air, Japan Airlines and Expedia
  • Performance optimization. Calculating 225K awards and 0.5M flight routes in 1 second
  • Wallet crawlers for 20 airline award programs 
    • Headless browser, proxy and captcha-crack services integration for crawlers 
  • Leading backend team (1 member), DevOp, RESTful API, unit testing, co-working with frontend and designer for product SPEC
  • Business development with Priceline, HotelsCombined, MilesWallet (acquired) 
Technology
  • AWS, EC2, Load Balancer, RDS (PostgreSQL), S3, Elastic Beanstalk, Route53, Lambda, CloudWatch, Redis, DynamoDB, Azure, LUIS, Pubnub, OneSignal, Cloudflare, Heroku 
  • RESTful API, Django, Django REST framework, Django-silk, Wagtail, Zappa, Swagger API

Company@2x

Pichat, Backend Developer, Feb 2014 ~ May 2015

  • RESTful API development with Django, Django REST Framework and AWS

Company@2x

Acer, R&D Manager, Jan 2008 ~ Feb 2014

R&D Manager, Dec 2012 ~ Feb 2014 

  • Leading a task force with 5 members for product planning and prototyping
  • C++/CX, design thinking, cross-functional communication
Associated R&D Manager, Dec 2010 ~ Dec 2012
  • Co-working with Intel US team to optimize graphic performance of Acer Ring app on Windows tablet. The performance is 10% faster than iPad. 
  • C++, Direct2D, cross-functional communication
Senior Project Researcher, Jun 2009 ~ Dec 2010
  • C#, .NET Framework, WPF
Project Researcher, Jan 2008 ~ Jun 2009
  • C#, .NET Framework, WPF

Company@2x

Education

National Chiao Tung University, master's degree, computer science, 2005 ~ 2007

Thesis: Improving Xen Network Throughput by Bypassing Driver Domain

Djcv1r1di57xuujgx9pf

Nation Chung Cheng University, bachelor's degree, computer science, 2001 ~ 2005

Dp6fhrawlqqwssjmawf7

Kaohsiung Senior High School, 1998 ~ 2001

Jlb1cdizmcysnbifyg3s

Honors & Awards

  • 500 startups accelerator program batch 21 in Silicon Valley (April 2017 ~ Jun 2017) - TripPlus