BK Sun

Senior Frontend Engineer

About

As a seasoned Front-end Engineer, I bring over 8 years of experience in developing high-performance web applications with a strong focus on the cryptocurrency and DeFi sectors. My expertise spans JavaScript frameworks such as React.js and Vue.js, along with back-end technologies including Node.js and MongoDB. In my current role at a leading crypto company, I have successfully built and maintained localized crypto exchanges, significantly enhancing user engagement and trading volumes. My efforts in optimizing tech stacks have resulted in an 80% reduction in build times, demonstrating my ability to enhance system efficiency and performance. My work in the DeFi space includes developing the Flamingo project, which supports cross-chain assets and interacts with crypto wallets. I managed Node.js servers and Redis to ensure the reliability of cross-chain transactions worth up to $1 billion USD, highlighting my capability in handling complex, high-stakes projects. I thrive in collaborative environments, working effectively with cross-functional teams across the globe to deliver seamless and user-centric digital solutions. My international experience has refined my communication skills and adaptability, allowing me to excel in diverse and dynamic settings.

Country

City

China

Industry

Financial Services

Skill

Nodejs, Tailwind CSS, Next.js, Redis, Web Applications, Mobile Applications, Node.js, JavaScript, Java, Python, Representational State Transfer (REST), Git, Docker, React.js, Vue.js, GraphQL, MongoDB, Webpack, MySQL, TypeScript

Experience

Senior Frontend Engineer

Industry-leading Crypto Company

2021-6 - Present · 5 yrs 4 mos

Senior Frontend Developer

Onchain

2020-7 - 2021-6 · 1 yr

Shanghai, China

- Responsible for front-end development of DeFi Project Flamingo (Vue.js) which interacts with Crypto wallets such as MetaMask and NeoLine to provide services for cross-chain assets (Wrapper), LP Exchange (Swap), asset management (Vault), voting proposals and asset ranking (Analytics). - Responsible for back-end development of multiple Node.js servers and Redis which support Flamingo front-end application by performing data aggregation from different sources and managing UTXO list for wrapper, caching pricing along with other analytics data to reduce the load from original sources and ensure the reliability of all cross-chain transactions which worth up to 1 billion USD. - Developed N3 Governance web app (DAO) to allow N3 community to manage consensus nodes and to vote.

Web Developer

TORY BURCH

2017-9 - 2019-2 · 1 yr 6 mos

Greater New York City Area

- Appointed as project manager and developer in developing Node.js RESTful API micro-services to support the Clienteling iOS app used in-store. Supervised an offshore team of six developers and led Agile development. As being successful in proof of concept for using API micro-services, the project has drastically expanded. - Coordinated the design of WeChat Mini-Program along with CMS web app for China region and developed MiniProgram using the WeChat framework and CMS web app using Vue.js with PWA support. The Mini-Program allows consumers in China to purchase Tory Burch’s selected products through WeChat Mini-Program using WeChat Pay and it is the first E-commerce presence in China region for Tory Burch. - Directed, designed and developed an internal tool, using React.js for the web app and Node.js backend with GraphQL and MongoDB, which allows colleagues from the business department to initiate, manage webpage performances tests against Tory Burch’s web pages and display the results from selected timeline in tables and charts format with trends in order to be reviewed and compared.

Back-end Developer

Tellon Trading Inc.

2016-4 - 2017-9 · 1 yr 6 mos

Georgia

- Designed the data schema and implemented Node.js (Loopback) back-end server with MongoDB database, which supports the company’s E-Commerce websites. - Implemented all functionalities involved in E-commerce experience such as CRM, CMS, carts, order management, order histories, etc.