9849-2776
Yuzhe.c85@gmail.com
Zak Chen
Computer Science Bachelor - National Taiwan Ocean University
Skills:
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Leadership: Department Leadership(~30 people)
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Development Management: OKR, Agile methodology, CISSP & Cybersecurity, Procedure Optimization.
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Architecture Designing: System API interface, Micro-Services, External Server Evaluation.
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Data Engineering: Spark, Airflow, Cassandra, Scylla, MongoDB.
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Cloud & DevOps: Kubernetes, ELK, Prometheus, Grafana, AWS, GCP.
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Backend Engineering: GoLang, Python, Ruby on Rails, Bazel, gRPC.
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Frontend Engineering: Javascrtipt, JS ActiveRecord model, jQuery, Backbone, CSS, Bootstrap, Mobile Application architecture design.
Experiences:
Fazz Financial Group
Xfers / StraitsX
Head of Platform Engineering & Cybersecurity(October 2022 – Present)
- Leading the departments to cover trust and safety, risk accessment, and compliance for Fazz products globally.
- Delivering fast-paced solutions for Fazz products across multiple countries, handling millions of transactions and users monthly.
- Influence Fazz engineering department those making policy and guidelines include tech governance, defining competency matrix, and OKR process.
- Collaborating with product, operations, and compliance teams to align trust and safety objectives.
- Providing strategic guidance and fostering innovation within engineering teams for continuous improvement.
Key Achievements:
- Trust and Safety
- Fazz offers a robust suite of fraud prevention and user authentication services, highlighted by our Fraud Platform, Auth, and KYC/KYB capabilities. These services ensure the integrity and security of our platform. By seamlessly integrating fraud prediction, data modeling, OAuth 2.0 authentication, and advanced KYC/KYB checks, I serve as the frontline of security. My role is to safeguard genuine users and uphold the highest standards of trust and safety across all Fazz products, utilizing AWS AI-based solutions.
- Agile Coach
- As an Agile Coach, I guide individual teams in embracing agile methodologies like Scrum and Kanban. By standardizing developer output and maximizing user satisfaction, we enhance efficiency and deliver high-quality products that meet user needs.
- Tech Governance
- Responsible for establishing universal policies for Fazz's tech stack, including programming languages, databases, frameworks, and regulations for open-source projects. By ensuring adherence to these standards across the engineering department, we promote consistency and efficiency in our development processes.
ByteDance
Agile Coach / Senior Developer (November 2021 – October 2022)
- Developed an enterprise data warehousing solution on top of Clickhouse.
- Created native ANSI SQL support for ByteHouse.
- Built an Agile culture within the department and mentored and led development cycles.
- Developed the metadata service in Data Warehousing Product ByteHouse.
Key Achievements:
- Bytehouse Metadata Service
- Designed and drove the development of the metadata API in Bytehouse, a multi-tenant, multi-partner integratable solution on top of Clickhouse.
- Dataset Automator
- The Dataset Automator is a horizontally scalable service capable of generating terabytes of test data inside pipelines.
Appier
Data Team Lead (January 2019 – October 2021)
- Built and maintained data pipelines that generated over 300 GB of data.
- Provided leadership and inspiration to team members.
- Developed a Keyword-Based user interest pipeline that generated billions of cookies per day.
- Setup, monitored, and ran operations for more than 1000+ instances over 20+ services.
- Worked on solution architecting for AI data pipelines and led the development process of data pipelines.
- Coached Agile Process over several teams.
Key Achievements:
- WebKIT (Web Keyword, Interest, Topic)
- The WebKIT pipeline tags keywords on billions of cookies across 12 regions every day on Spark-job based infrastructure, used for AI prediction, user segmentation, and advertisement campaigns. The service included a Cassandra cluster with ~300 GB throughput per day.
- Demographic Pipeline
- The demographic pipeline generated gender, age, and geolocation data over billions of cookies and involved 12 sub-attribution pipelines. It ran on Airflow.
- Web Crawler service
- Designed and maintained a web crawler that served 10+ million requests for crawling, caching, and proxy service management.
Full Stack Engineer (June 2015 – January 2016)
- Designed API data flow and defined components.
- Set up stable API build environments.
- Contributed to RoR projects.
Key Achievements:
- Product HIVE Service
- Designed a system to import product data from partners every day, critical for the business's reliance on an updated product database.
Evie
Lead Engineer (April 2018 – January 2019)
- Mentored and led a medium-sized team of developers (5-7).
- Led the development process.
- Handled DevOps for on-premise applications.
- Provided guidance to other team members with system architectural advice.
Key Achievements:
- Key Client Solution Architecting
- Deployed Evie to key clients, such as those related to government and banks, to design the infrastructure and private cloud arrangements.
Honestbee
Squad Technical Leader (February 2016 – April 2018)
- Managed technical development progress.
- Participated in business-level feature/solution design and implementation.
- Reviewed and maintained the code base.
- Controlled risks and technical debts.
Key Achievements:
- Product Data Center System
- Built a system for receiving external data sources and internal product information editing. It crawled external websites and parsed useful product/hierarchy lists for business usage and leverage.
Full Stack Engineer (June 2015 – January 2016)
- Generated innovative ideas in web design.
- Conducted new web technique research.
- Created a website engineering framework.
Key Achievements:
- PHP MVC Model Framework
- Implemented components to be business valuable parts of the framework.
Exosite
Full Stack Engineer (April 2014 – June 2015)
- Understood project requirements and implemented features.
- Conducted system architecture analysis and design.
- Arranged tasks and negotiated with team members.
- Provided solutions and troubleshooting.
- Excelled in Go language.
Key Achievements:
- Continual Development for Long-term Project
- Worked on a complex project, implementing new features and refactoring for performance. Collaborated with other team members located in the US.
- Customized Cloud Computing
- Implemented protocol-level functions for translation between different machines provided by different manufacturers.
Summers Advertising
Technique Director (January 2012 – April 2014)
- Applied advanced web techniques in projects.
- Designed complex systems, estimated, and conducted tests.
- Conducted a total system architecture survey.
- Arranged development tasks and managed project schedules.
Key Achievements:
- Introduced Ruby on Rails to Summers Advertising, becoming a key value contributor to the company.
- Supported Microsoft's sales department in Taiwan to implement a Windows 8 application event. Developed and directed the application named "青春台灣食玩誌". [Link](http://apps.microsoft.com/windows/zh-tw/app/4745ef6e-9b32-4322-a613-1215dce3255b)
Web Developer (November 2010 – January 2012)
- Created innovative ideas in web design.
- Conducted research on new web techniques.
- Developed a website engineering framework.
Key Achievements:
- Developed a PHP MVC model framework.
- Implemented components to be valuable parts of the business.
Bamboocat Digital - PHPBB’s Traditional Chinese supporter
Project Engineer (July 2009 – August 2010)
- Engineered website projects.
- Analyzed custom requests.
- Proposed website planning solutions.
Key Achievement:
- TSMC EAR System
- The EAR system is the event record system that records emergency events or accidents in fabs or machines. Overcame problems like cross-fab or cross-department authentication. This system has 7-stage approval and many types of formulas.