# cihai sun

> Senior Software Engineer at Stocktwits

Location: New York, New York, United States
Profile: https://flows.cv/cihai

Having five years' work experience in Japanese company, I am impressed by Japanese's serious working attitude and learned their spirit: hard-work and highly responsible. Now I want to start my career in front-end developer.

## Work Experience
### Senior Software Engineer @ Stocktwits
Jan 2023 – Present | New York

### Software Engineer @ Stocktwits
Jan 2021 – Jan 2023 | New York
Frontend:
-Refactor new website pages & components w/ React+Next.js+Typescript
-Architected and complete KYC/Transfer/Trade equities/crypto feather, enable thousands ofr users to trade on WEB
-Owned and implemented Community Sentiment  feature
Backend:
-Integrate stocktwits acquired trellis bots service and create Price Alerts feature for stocktwits platform users using NodeJs + MongoDB + Heroku

### Frontend Developer @ Paxful
Jan 2020 – Jan 2021 | New York, New York, United States
-Created video verification function and enhanced KYC verification pageto optimize KYC system and improve paxful users verification efficiency by 15%.
-Restructrued and completed paxful KYC office project from php to React/Redux/Typescript, which help paxful admins work 20% faster than old php system.
-Architected paxful credit card project with React/Redux/Typescript/next.js, which let 5k+ paxful users applied.
-Participated in paxful cryptocurrency exchange project

### Software Engineer @ BitMart
Jan 2018 – Jan 2020 | Greater New York City Area
Program websites with Vue + vuex and React + Redux + Typescript 
Use framework nuxt.js(Vue)/next.js(React) to make SEO friendly and SSR to provide better user experience
Integrate with payment gateway providers Simplex/Paxful/MoonPay to enable users to buy BitCoin and Ethereum with cash
Integrate with banking platform Synapse to enable users to deposit/withdraw by their USA bank accounts
Write APIs of user referral system and lucky draw event
Apply TradingView plugins to draw the candlestick chart
Utilize Web Sockets to keep updating the latest trading board information
Use i18n to build multiple language support system
Dock with payment platform company Simplex to enable users to buy BitCoin and Ethereum with cash
Customize the company's email templates for desktop and mobile

### Frontend Web Developer @ LineMoney - Send Money, the Smart Way
Jan 2016 – Jan 2018 | Greater New York City Area
Design and develop platform’s main service: money transfer page and platform’s landing page.
According to different countries’ law and compliance, adjust functional changes and controls on web pages.
On the basis of various users’ feedback, improve the web site performance and enhance user 
experience.
Tested front-end code in multiple browsers to ensure cross-browser compatibility.
Be responsive for communicating with Japanese vendor and develop with local laws.
Take charge of updating all platform’s wording.
Create HTML email templates and newsletters for marketing department.
Monitor and optimize website traffic and performance.
Create and maintain brand standards under company guidelines.
Web page development from design to test and up to production deployment.

### Web developer (intern) @ Spark.Inc
Jan 2015 – Jan 2015
Make a proposal using vivid animation in PowerPoint
Created and implemented a custom CSS grid system, with Bootstrap for mobile responsiveness.
Edit images and gifs according to requirements using photoshop 
Convert photoshop layouts to web pages using HTML, CSS, and JavaScript
Developed code for Shadowboxes, Slider Carousals, Validation
Fixed front end bugs (HTML, CSS, Javascript errors (jQuery), using Sinon.js/jasmine to do unit testing.
            Design the UI layout in Storyboard with Xcode
            Implement application of swiping pictures like tinder using Swift. 
            Design a two-minute animation for marketing advertisement use to attract more users to 
               our web page and mobile apps

### Web Developer @ Dynamic Urban Technoogies
Jan 2013 – Jan 2014
·Enhance the display of web page by adding animations using CSS/Sass
Created and maintained the front-end standards document and oversaw production of  Javascript, HTML and CSS 
·Implement a customized directive of modal that can edit user’s profile
·Implement  synchronizing search function by using Angular.js framework gather feedbacks from web       users and report to marketing team

### project management @ Nikken Sekkei Civil Engineering LTD
Jan 2011 – Jan 2013
cultivate and maintain relationships with clients, communicate client expectations to designers and explain designers' limitations to clients, create project schedules and work with clients


## Education
### Master’s Degree in Computer Science
The George Washington University
Jan 2014 – Jan 2016

### Bachelor's Degree in Civil Engineering
Tongji University
Jan 2004 – Jan 2008


## Contact & Social
- LinkedIn: https://linkedin.com/in/cihai-sun-5620a375

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Source: https://flows.cv/cihai
JSON Resume: https://flows.cv/cihai/resume.json
Last updated: 2026-03-23