Yin Long

Highly efficient and result-oriented full stack developer with current knowledge and experience in cutting-edge technologies and frameworks. 

A master of the SOLID, DRY principles, effective troubleshooter and problem solver with 8 years' history in delivering quality end-user solutions for Healthcare, Outreach, Taxi/Food/Grocery delivery, Blockchain and other SaaS projects.

  Dandong, Liaoning, China     


Work Experience


Backend Developer

Blood & Treasure, LLC

April 2022 - December 2022
Remote

https://www.bloodandtreasure.com/
Nest.js, Postgresql, Salesforce
- Implemented the company's deal calculator with integration of Salesforce.
- Worked in a distributed team based on an agile environment.

Backend Developer

FBG Studio

January 2022 - August 2022
Remote

https://www.chickenderby.com/
Node.js, MySQL, React, AWS, Web3, Biconomy
- Implemented NFT game and marketplace with ERC721, ERC1155, ERC20 token transfers on Polygon Mainnet.
- Supported gasless transactions using Biconomy and coupon/EIP712 based off-chain mechanism to reduce the gas fee.

Lead Developer

Element7Concrete

May 2020 - April 2021
Remote

https://www.element7concrete.com/
Meteor, MongoDB, React, React-Native, Graphql, Heroku
- Implemented the inventory system used internally in the company from scratch to deployment.

- Managed everything related to the development alone based on the client's requirements.

Backend Developer

GoGoGrandparent

February 2019 - April 2022
Remote

https://gogograndparent.com/
Node.js, MySQL, Vue.js, Graphql, AWS
- Implemented the customer call service to help older adults live their independent life.
- Integrated the ride service with Uber & Lyft, food & grocery delivery service with ubereats, doordash, instacarts.
- Polished problem-solving skills, resolving race conditions, bottlenecks, timeout issues.
Coordinated with team players in an agile environment.

Frontend Developer

CoachCare

July 2018 - December 2018
Remote

https://www.coachcare.com/
Node.js, MySQL, Angular, React-Native
- Worked on the healthcare service for clinics to help their customers lose weight based on the scheduled program and appointment.
- Implemented the video meeting, localization for multi-lingual support and various charts.

Frontend Developer

NinjaOutreach

January 2018 - June 2018
Remote

https://ninjaoutreach.com/
Python, Postgresql, Vue.js, AWS
- Scraped the detailed information for popular Instagram, Twitter, Youtube influencers and implemented the outreach service based on predefined campaigns.
- Built the responsive Vue.js frontend with Bootstrap library and Vuex pattern.

Lead Developer

CrooklynClan

January 2017 - December 2017
Remote

https://www.crooklynclan.net/
Node.js, MongoDB, Angular, Heroku
- Built the entire web from scratch, deployed and maintained the DJ service for editors to upload their audio & video tracks, for the customers to preview and download them.
- Implemented the transaction ledger according to the accounting equation.

Education

2003 - 2007

Tianjin University

Computer Programming

Skills

  • Node.js, PHP, Python
  • React.js, Vue.js, Angular
  • NFT Marketplace, NFT Game
  • Graphql
  • MySQL, Postgresql, MongoDB, DynamoDB
  • AWS, Digital Ocean, Heroku
  • Docker, CI/CD
  • JIRA/Trello, Git, Slack