With over 15 years of experience in designing and developing Java/Scala/Python-based applications for daily operations, I bring: ● At least 8 years of experience in data analysis, pipeline design and development, and tool building as a team member. ● In-depth knowledge of the Spark and Hadoop ecosystems, including Hadoop, HDFS, HBase, and more. ● Strong skills in designing and developing Big Data services on AWS and GCP. ● Extensive expertise in developing generic distributed systems, streaming processing, machine learning pipelines, and continuously improving ML models. Senior Data Engineer at Paktor

solution on a full cloud environment (AWS). Involved with 3 new data products which made initial revenue stream for a new team with only 2 engineers. Lead a cross team initiative to democratize company crucial KPI as our dog food for business insight. Enable unit test on Spark locally, integrated with CI pipeline. Migrated CDK to version 2, improved CI workflow. Evangelizing Big Data technics with talks and drive technical improvements discussion every week. Software Engineer, SmartNews, JulNov~1.5y) Data platform team: build data infrastructure/platform to serve Ads/Data

members, and OKR assessments. Jan 2020 ~ Present Software Engineer, Technical Support • Appier Assisted clients to set up tracking tags (JavaScript) in clients' websites, customize and adjust tags to satisfy clients' expectations of tracking goals, test and ensure web campaigns are runnable. Analyzed discrepancy cases, query internal data with Spark SQL to verify numbers in the campaign like impression, click, conversion among clients, 3rd parties, and internal systems. Design solution plans for the campaigns and improve performance. Integrated Ad traffic with direct publishers on different creative types: video, richmedia, native, or any related ad framework (OpenRTB, Prebid

張詠翔 (Sean Chang) Sr. Data Scientist Sr. Data Scientist at KKLab, KKBOX Group Taipei, Taiwan https://www.seanchang.space 技能 ML Fundamentals tree-based models (bagging, boosting) NLP-related models (LM, NER, SA, ...) Programming Languages Python JavaScript Scala Go Frontend React React Native Backend & Database Express Flask & FastAPI SQLAlchemy MongoDB MySQL DevOps Docker Kubernetes AWS Ansible Helm GitLab CI Distributed Computing Apache Spark ML Frameworks & MLOps Tensorflow Scikit-learn Spark ML mlflow spaCy Data Visualization Plotly D3.js seaborn bokeh Miscellaneous Scrapy & Beautiful Soup 工作經

Alex Min-Sian Su Sr. DevOps / Site Reliability Engineer I’m a generalist DevOps / Site Reliability Engineer with 2 years of experience who undertakes complex service problems, exciting product issues and deliver superior performances. Proficient in DevOps, SRE, IT operations, automation and software deployment. Experience MoBagel Incorporation | Think with AI , Apr,Dec, 2020 Taipei, Taiwan DevOps Lead Automated distributed deployment for a machine learning platform (Apache Hadoop, Apache Spark, Docker Swarm) from 0 to 250+ per 30 days with GitLab CI and Jenkins. Design and implement Selenium end to end test from 0

demand marketplace for software developers. I helped the company build Codementor Monthly, Codementor Live Classes, and a conversion rate tracking system. I also voluntarily helped optimize Codementor's Google keyword ads and boosted the click through rate from 0.7% to 1.7%. In my spare time, I learned about keyword ads optimization and UI design while in search for some startup business ideas. In the end, I decided to redo CakeResume that was shut down during my service in the army. A totally redesigned CakeResume was then published to Product Hunt and