Experience

Full Stack Developer | Nervos Network Experience

Cryptape

Apr 2023 - Present Remote

I embarked on the exciting task of building TxStreet, a highly innovative and decentralized application (DApp), on the Nervos Network.
I delved deep into the intricate workings of the CKB (Common Knowledge Base) blockchain. Developed innovative solutions and contributed to the growth of the Nervos ecosystem.
I efficiently managed the staggering volume of 10,000 daily transactions on the CKB blockchain. Consolidated my reputation as a skilled developer within the blockchain community and solidified my expertise in managing high-throughput systems.

Tech Owner | Quantitative Algo Developer

Aperture Finance

May 2022 - Apr 2023 Mountain View, California, United States

Led Solana Projects as a Tech Owner, designed and implemented Pseudo-Delta Neutral Hedging Strategy which uses Leveraged LP farming protocols in Solana, using Francium, Tulip.
Utilized Python's deep learning libraries such as TensorFlow or PyTorch to implement an autoencoder model.
Denoise dataset using wavelets and the Kalman filter and combine e Zipline offline and on Quantopian to test individual and multiple alpha factors using NumPy, pandas, and TA-Lib. Utilized Python libraries backtrader and Zipline to conduct backtesting on ML-driven strategies in historical market environments, reducing the probability of putting financial resources at risk when deploying candidate smart contracts in real-time markets by 30%.
Developed smart contracts using Rust, which employ Alpha factors-generated signals to dynamically adjust long and short positions for optimizing portfolios, accumulated a net income of $2 million in one month on the Solana chain.

Senior Back End Engineer | Senior Research And Development Engineer

Forte Group

Apr 2019 - May 2022 Boca Raton, Florida, United States

Participated in Tmall Double Eleven online shopping promotion for 2 consecutive years; Led a team consisting of 5 engineers.
Designed and implemented an ads targeting system that utilizes users' historical purchase records and recent search history to recommend promotional deals based on customer profiling behavior data. Leveraged Python libraries like pandas and NumPy for data processing and analysis.
Used Python to analyze user engagement data and determine the appropriate discount levels.
Achieved annual revenue growth exceeding 48% and an overall purchase rate improvement of 8%.
Utilized Python-based frameworks and technologies like Django or Flask to handle the high volume of online connections.

Infrastructure Engineer | Full Stack Developer

Zapproved

Nov 2018 - Apr 2019 Portland, Oregon, United States

Built a Code Review platform from scratch, incorporating Java package deployment and remote backup distribution using technologies like Jenkins for static code scanning, creating a CI/CD pipeline that improved efficiency by 5 times.
Developed a trading system in Go, leveraging the Kafka Messaging System, to enable users' participation in flash deal ordering events, enabling millions of users to engage in millisecond-level promotional activities. In the first year since the release and launch of this system, it has contributed an incremental revenue of 100 Million USD in GMV to the company.
Refactored the task queue and task manager using Python tools like Celery, RabbitMQ, and MySQL to support larger-scale and distributed tasks. Achieved a 20% reduction in queue latency, a 4x increase in consume rate, and a 40% decrease in memory usage.

Software Engineer

KMS Technology

May 2017 - Apr 2019 Atlanta, Georgia, United States

Designed and implemented firm's first Cluster Observability Platform from scratch. Built a log service based on logstash, reformat, and transfer logs from grouping system to Kibana log platform, handing million logs per day with very high stability and availability which annual availability rate reaches 99.999%; Created Grafana dashboards to report the counters of logs.
Designed and implemented CI/CD pipelines using YAML and deployed Docker containers to AWS. This automation allowed for the automatic build, packaging, and deployment of the log service to production. On average, it served 200 integrations per day.
Developed an alert service using Python that monitored error logs. This service not only reported errors but also automatically created fix tickets for DevOps engineers,reducing the fix waiting time by 80%.

Projects

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Fitlink

Fitlink connects, motivates and rewards people for getting active and healthy. And now we have a teams version perfect for the workforce.

CKB Street

Track ease your transaction on Nervos Network. Visualization of transaction and block movement on Nervos Network.

CHAININTELGPT

ChainIntelGPT is an AI-based blockchain research platform that leverages advanced natural language processing capabilities to empower users in the crypto space. Users can effortlessly synthesize and summarize information from diverse sources, enabling them to gain comprehensive insights into data.

Manga TV

Manga TV GPT-4 AI Comics Generator. Experience the future of comics creation with our automatic comic video generation site.

Beefcakes

Download the Beefcakes & Shakes Mobile App today to gain access to our full menu, order through the app, receive exclusive in-app discounts and gain reward points for each order to use on future purchases!

Beefcakes

Fitness Blender provides free full length workout videos, workout routines, healthy recipes and more.

Chegg

Get step-by-step Textbook Solutions or ask homework questions to get expert answers, plus textbook rentals, writing & citation help, exam prep and more.

Trulia

Trulia is an all-in-one real estate site that gives you the local scoop about homes for sale, apartments for rent, neighborhood insights, and real estate markets and trends to help you figure out exactly what, where, and when to buy, sell, or rent.

DEREX

Superior cross-chain AMM with trader focused features.

LP Insure-DEREX

WITH 100% DECENTRALIZED DUMPING PROTECTION INSURANCE. 3 in 1 bond: buying tokens at market price with no slippage, earning high APY through self-custodied farming, and protecting against price dumping through decentralized insurance without the need for voting or claiming.

Travelocity

Wander Wisely with the Price Match Guarantee, Free Changes & Cancellations. Book & Save on Packages, Hotels, Flights, Cars, Cruises & more Today!

NFTDEX

NFTDEX is the first non-fungible token P2P decentralized exchange. Trade and echange NFTs without a centralized entity through smart contracts.

Chess3

Chess Game | Wager Sol Token and Get Twice. :-)

Aperture

Advanced automation by Aperture enables you to compose your own LP management workflows and strategies into smart contracts.

Themis

Themis is the first of Strategy Distribution Engine systems in the company, and have serviced 200 million user. Themis, a smart strategy engine based on traffic flow and predicate conditions' strategy, which provides handy service for vendors and consumers.

Prometheus

Prometheus Ghost theme is clean and very modern. The design is highly focused on typography. But there is also the perfect combination of image and white space in this design. This theme is perfect for a personal and professional blog.

Taco

Taco is one of the fast golang-based message push systems in the company, and have serviced 300 million user. Taco provides multiple push methods such as pushing a single user, pushing a group of users in batches, and accurately pushing specific user tags. The low-latency feature greatly empowers the logistics rider's message reach scenario.

threes-ai

Deep Reinforcement Learning for the Threes! game. website: https://threes.suzukidavid.com/

Stormeye

Stormeye is the company's internal project and it is the basic weather service.

Tank War AI

This project is for 2017 year ele.me ’s Hackathon Programmer Contest. The competition requires designing a AI tank. The two sides of the battle tanks play in the sandbox. The competition requires submitting a working docker image. So this is my solution.

Clairvoyant

Clairvoyant is the company's internal project and it is the basic service for collecting and analyzing rider trace.

LeetCode-Go

The book about solutions to LeetCode in Go, 100% test coverage, runtime beats 100%. The book has won the praise of many people from CMU PhD/Google/Apple/Microsoft/Facebook/Amazon. Since this book released on 13, August, 2020, it had occupied the Github trending top 10 for 2 consecutive months. It has 0.74 million Words, 2 month cumulative 1.26 million Page Views, 0.56 million Unique Visitors, 68K PDF downloads.

vue-objccn

Use Vue.js to develop a cross-platform full stack application of Objc china.

suzukidavid-Field

This repo concludes my technology blog、speech slides、electronic publication.

iOS-Weekly

iOS-Weekly are not just porters of information, but also evangelists of value. The content is not limited to specific content related to iOS technology. It also includes information that we believe is valuable to iOS developers, such as software engineering and programmer topics.

Fangke

Fangke APP is a mobile investment and financing platform launched by Fangchuang. Committed to providing investors and entrepreneurs with an efficient, fast and convenient mobile investment banking experience. Recommend only high-growth developmental companies, which is convenient for investors to screen and compare.

PingAn YQB

YQB is a one-stop financial life shopping platform under Ping An of China, committed to creating value for every point of users. It covers many areas such as point service, current financial management, regular financial management, credit services, shopping, convenience of life, transfer and repayment, financial services, etc.

Qhome

Trying to make your home awesome? Download the most innovative and user-friendly smart home app - Qhome by Quatanium Technology Co., Ltd. You will discover that your home could be more intelligent than you ever expected. Everything is awesome!

Chinese Dictionary 10001

A Chinese dictionary with more than 20,000 Chinese characters and detailed explanations, a collection of phonetic transcription, pinyin, stroke count, extra-part strokes, and interpretation. It also supports powerful search methods such as Chinese characters, pinyin, radicals, and stroke counts.

Smart Sokoban

This application is mainly to realize the sokoban smart game based on Android. Sokoban smart game(https://www.sokoban.jp/ ) is an ancient game from Japan. Its design purpose is to train people ’s logical thinking ability. The game scene is usually set in a small space warehouse, and it is required to place the boxes in the designated location.