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Controls/Software Engineer @CYTENA BPS
2022 ~ Present
Software Engineer / Backend Engineer
Within one month
Word
Google Drive
Project Management
Employed
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Full-time / Interested in working remotely
6-10 years
National Taiwan University
Computer Science
Avatar of 陳昭儒.
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Past
Data Engineer @BUBBLEYE | We're hiring!
2021 ~ 2022
Software Enginer
Within one month
data Work Experience Vpon, Data Engineer Aug 2018 ~ Oct 2020 Implement Akka-http(Scala) server endpoints for Vpon Data Platform Product Create new ETL pipelines using GCP Spark(Apache Spark) and GCP Dataflow(Apache Beam) to batch input/output hundreds of files Migrate existing ETL pipelines from AWS(Hive SQL) to GCP(BigQuery SQL) using python Migrate datawarehouse from AWS(Hive) to GCP(BigQuery) Setup Prometheus on GKE (Google Kubernetes Engine) to monitor resource usage(CPU, memory of compute engine) Largitdata, Data Quality Manager Sep 2017 ~ July 2018 Monitor status of all web scraping running scripts.( Flask ) Write
Python
ETL
Web Scraping
Unemployed
Ready to interview
Full-time / Interested in working remotely
4-6 years
National Taiwan University
電機工程學系
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Technology Leader @AIBDT
2023 ~ Present
Software Engineer / Backend Engineer
Within one month
Intelligent
Cooperation
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Employed
Open to opportunities
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Agricultural Chemistry
Avatar of Chin-Hung (Wilson) Liu.
Avatar of Chin-Hung (Wilson) Liu.
Principal Engineer, Data Engineering @KKCompany
2023 ~ Present
Backend Engineer, Data Engineer, MLOps Engineer
Within one month
Chin-Hung (Wilson) Liu I am a lead architect responsible for designing and implementing a large-scale data pipeline for Lomotif, Paktor x 17LIVE, utilizing GCP/AWS/Python/Scala, in collaboration with data science and machine learning teams in Singapore and TW HQ, as well as with the Hadoop ecosystem (HDFS/HBase/Kafka) at JSpectrum in Hong Kong and Sydney. 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
Big Data
Data Engineering
ETL
Employed
Open to opportunities
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10-15 years
National Taiwan University
EMBA Programs, Business Administration, Accounting, Finance and International Business.
Avatar of 陳婉玲.
Avatar of 陳婉玲.
Analyst @Business Next Media Corp.
2017 ~ 2019
Data Analyst、Data Engineer、Data Scientist、Customer Experience Analyst
Within one month
Wan-Ling (Lyn), Chen CAREER SUMMARY 7 years of diverse data and AI experience in engineering and advisory roles across varied industries. Provided end-to-end advisory on data and AI solutions, covering data platforms, lakehouse architecture, data security & LLM. Led PoCs delivery, solution design, and workshop execution for clients' digital transformation. Managed data architecture across 70 global offices, demonstrating adaptability in complex data landscapes. Actively participated in projects addressing board portfolios such as data and AI, security, and automation. Achieved a 76.6% revenue boost through strategic volume monetization. Goal-oriented, curious
Python
SQL/MySQL
Databases
Employed
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Psychology
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Software Engineer @SmartNews
2019 ~ Present
數據分析 / 資料工程
Within one month
Connor Hsu Curious about data and real world, building product to solve problem, making machine learning into product, writing is my interest. [email protected] Summary 9 years experience of large scale AI product building, and is capable of building product from scratch. Extensive problem solving experience for data science/engineering, and familiar with transferring real problem into requirements and solution planning. A well-rounded engineer in data project who bridges the gap between scientists and engineers. A pragmatic and ownership driven person, experienced with gap analysis, migration plan and release
Python
Scala
Spark
Employed
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Computer Science
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Project Manager @Shaku Technology Co., Ltd.
2023 ~ Present
Executive Assistant; Project Manager
Within six months
Excel
SQL
Employed
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Accounting
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Avatar of Jingping Wang.
Consultant @TATA Consultancy Service (TCS)
2023 ~ Present
Senior Software Engineer
Within one month
— Jingping Wang 王景平 More than 15+ years of experience in software development. Projects participated include from large scale insurance/banking web applications to mobile applications. In recent years, I have been engaged in software defined networking and 4G/5G user data plane networking. Taipei City, Taiwan Phone:E-Mail: jingping.w@tcs.com EXPERIENCE Full Stack Engineer • TATA Consultancy Services (TCS) JanPresent TaiShin Bank Richart App Frontend / 台新 Richart 數位銀行 TaiShin Bank Richart App Backend / 台新 Richart 數位銀行 TaiShin
Java
JSP/Servlet
JavaScript
Employed
Full-time / Interested in working remotely
More than 15 years
National Taiwan University
Atmospheric Sciences
Avatar of Conrad Lan.
Avatar of Conrad Lan.
Backend Engineer @Cooby
2022 ~ 2023
Within one month
pivoting and minimizing costs. As a backend engineer, I am passionate about creating solutions that solve complex problems and improve the user experience. My experience in AWS infrastructure, payment processing, and analytics has equipped me with the skills necessary to design, develop, and deploy scalable web applications. Backend engineer • ChoozMo inc. 十月三月 2022 | Taipei, Taiwan NFT Transaction Integration on Linebot: - Collaborated with product management and frontend teams to design and develop RESTful APIs using FastAPI to enable NFT transaction integration on Linebot. - Optimized SQL to improve API service spe...
Communication
Employed
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Communication Engineering
Avatar of 李信憲 Jeffrey.
Avatar of 李信憲 Jeffrey.
Senior Data Architect @Agoda
2023 ~ Present
Data Engineer
Within one month
李信憲 Jeffrey Data Engineer As a data engineer, I have almost 5 years of experience in data engineering, data processing, and data modeling. Also building a hybrid cloud data pipeline with high reliability and high availability to do ETL including change data capture (CDC). Taipei City, Taiwan [email protected] Python PySpark / NiFi Kafka / Debezium Apicurio SQL / ClickHouse / MinIO Docker / Docker compose Google Cloud Platform (GCP) Bash Shell / Linux Git / GitLab Work Experience Data Engineer JKOPay Co. Ltd. • MayPresent ETL & Data Sync Dockerized a PySpa
Python
PySpark
MySQL
Employed
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Graduate Institute of Applied Mechanics

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Logo of 玉山銀行智能金融處 (Intelligent Finance Dept., E-SUN Bank ).
玉山銀行智能金融處 (Intelligent Finance Dept., E-SUN Bank )
2020 ~ Present
Taipei, Taiwan
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Employed
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Professions
Data Engineer, Machine Learning Engineer
Fields of Employment
Software, Banking
Work experience
1-2 years work experience (4-6 years relevant)
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I've had experience in managing 1-5 people
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Research
Music Information Retrieval
Natural Language Processing
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python programming
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Java
Tensorflow (Keras)
Numpy Data Manipulation
sklearn
Linux
Verilog
Arduino
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Docker
Python Programming
PyTorch
Pytorch Lightning
PostgreSQL
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English
Intermediate
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Positions
Machine Learning Researcher / Engineer
Job types
Full-time
Locations
台灣台北市, 台灣新竹市
Remote
Interested in working remotely
Freelance
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Educations
School
National Taiwan University
Major
Graduate Institute of Communication Engineering
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Zx6amgvjmkxenvsveonw

Jeffrey Lin (林奕勳)

[email protected] TW, Taipei

CAREER SUMMARY 


  • 6+ years of deep learning research and development experience, with a strong ability in prototyping, evaluation, and deployment of models, in both academical and industrial environment.
  • 2+ years of financial AI development experience, specialized in the design of python API, SDK, and framework for optimizing the deployment flow of data science, ETL, and machine learning pipelines. 
  • 1+ year of participation in the technology management assistant bootcamp, with real-experience on business user support, gaining first-hand insight on financial and corporative AI usage via cross-department collaboration. 
  • Having excellent code-quality standard, efficiency-oriented thinking, and perseverance in face of challenging problems; Continue absorbing “technical-nutrients” from the development of open-source AI community.

PROJECT

Next-Generation ETL Framework for Data Science Team

2022/7-2022/12

  • Goal: 
    1. Design a lightweight ETL python framework enabling data scientists to seamlessly deploy their pandas/SQL processes to airflow in a maintainable format.
    2. Reduce the maintenance and optimization cost of AI projects with integration of customizable data validation, metadata registration, and time/memory-profiling tools. 
    3. Ensure flexibility and extensibility in pandas-like packages (such as CuDF, Polars, PySpark, etc) for future parallelizability, targeting 1000X speedup.
  • Responsibility: Coordinate the design and development of ETL framework components. Give instruction to ETL research intern and provide code review and design guidance for the project participants.
  • Accomplishment: Have wrapped the framework into a workable python package and successfully imported it into two production projects, with ETL business logic automatically rendered on the Airflow UI in an easily traceable way.

Enhance and Maintain House Price and Mortgage Loan API

2022/2-2022/7

  • Responsibility: API Service maintenance, code refactoring, and model performance enhancement for the house-price/mortgage loan automatic appraisal system. 
  • Accomplishment: 
    1. Encrypted API re-routing: 
      • Re-route the internal mortgage API service as an encrypted API service for external client. Understand and implement the RSA/AES double encryption protocol under spec-ambiguous situation by investigating client-side PHP code. 
    2. Code refactor and migration: 
      • Reduce the cognitive complexity of service code from 1000-line-single-file situation by thoroughly understand the business logic and refactoring it into chain-of-command design pattern. 
      •  Design common module with logging mechanism to reduce future maintenance cost. 
      •  Draw and carry out the code migration plan without compromising the 24/7-criteria. 
    3. Re-design of house appraisal model for interpretability:  
      • Coordinate with research institution and business unit to build a business interpretable deep learning model. 
      • Re-design the loss function with regularization term to meet the legal requirements. 
      • Reducing the model inference time by adopting Google’s state-of-the-art nearest neighbor algorithm for referential house searching.  

Scalable ETL Pipeline for Credit Loan Marketing Data

2021/8-2022/1

  • Responsibility: 
    1. Orchestrate the cross-department coordination of the development process.
    2. Design a low-code python-SQL interface for the data-analyst of business unit and provide development and CICD guidance.
    3. Ensure business-logic-extensibility in considerations of future marketing campaign. 
    4. Ensure timely delivery of 7 million customer campaign data under 1day computation criteria.
  • Accomplishment: 
    1. Have helped the data-analyst of business unit successfully incorporate new campaign business logic into the production pipeline.
    2. A comprehensive tutorial to the development interface and CICD toolkits, enabling smooth new feature extension with zero-guidance.
    3. Significantly speedup the pipeline from 5d to 8h via map-reduce parallelization with multiple Airflow worker nodes. 

PyTorch development framework for Industry-Academy Cooperation

2021/4-2022/8

  • Goal: Develop Pytorch model development framework to reduce the academy-to-company code migration cost.
  • Features:
    1. Support training, validation, testing, weight/performance inspection, and  check-pointing of models with different architecture.
    2. Fixed experimentation flow for all models with formatted running script and folder structure, to enhance code readability and reproducibility.
    3. Support lazy evaluation and visualization of data pre-processing, avoid re-generation of data in experimentation scenario.
    4. Supporting parallel model hyper-parameter tuning via Ray (a general python parallelization framework).
  • Tools: Pytorch-lightning, Ray, TensorBoard, pyflow-viz

2D Indoor Positioning System through Android App

2014/1-2015/1 

Instructor: Professor Ren-Song Tsay
  • Survey on the state-of-the-art indoor positioning technologies and write a project proposal. Investigate the relationship between distance and the amplitude of the Bluetooth signal through experiment. Develop an android app that fuses the signals of Bluetooth and Geo sensor for position estimation. 
  • Score: A+ 

RESEARCH

Develop techniques applicable to the music industry and design experiments for proof-of-concept

2015/9-2020/1  

Instructor: Professor Homer H. Chen  

  • Developed a context-based tag propagation method to reduce the training noise and successfully improved a deep music auto-tagging model (SampleCNN) by 25.8% in MAP
  • Enhance the robustness of the tag propagation method and successfully extended the improvement to two other neural networks (CRNN and 2D-CNN) with the increase of improvement reaches 6.5%, 4.9%, and 5.5% (for SampleCNN, CRNN, and 2D-CNN, respectively)
  • Responsibility: Build up the experiment acceleration (via GPU) environment on a Linux-based server; Design the model evaluation and training strategy with TensorFlow. 
  • Conduct error analysis to understand the problem in the training data using Matplotlib and Seaborn. Tune the hyper-parameters during model development. Accelerate the evaluation and data visualization process using ray, a parallel processing package. 

Research proposal in music for lab funding from the Ministry of Science and Technology (MOST)

2015/9-2017/10 

EDUCATION 

M.S. in Graduate Institute of Communication Engineering, National Taiwan University 

2015/9 ~ 2020/1 

  • Multimedia Signal Processing (A) 
  • Special Topics on Internet of Things (A): Develop an IOT product and demonstrate its functionality. 
  • Computational Methods and Tools for Data Science (A): Familiarize myself with basic EDA (exploratory data analysis) techniques including PCA and t-SNE.

B.S. in Electrical Engineering Department, National Tsing Hua University

2011/9 ~ 2015/6

  • Programming Classes: Logic Design (A+) / Logic Design Lab (A+) / Embedding System Lab (A+)  / Computer Programming Design (A+)
  • Math Classes: Calculus I&II (A+/A+) Linear Algebra (A+) / Numerical Analysis (A) 

SKILLS


    • Programming Skills: Design Patterns、ETL、Image Building、Machine Learning、Parallel Acceleration、Python SDK Design、Refactoring 
    • Development Environment: Linux, Docker, Oracle-Cloud, Visual Studio Code 
    • Computer Languages: Python、C++、SQL、JAVA 
    • Tools for Machine Learning and Data Science: Pytorch、Pytorch-Lightning、CuDF (GPU-accelerating dataframe)、Pandas、Networkx、LightGBM、DeepGraphLibrary 
    • Tools for Model Serving, Deployment, and Data Pipeline: Airflow、FastAPI、 k8S、PostgresDB、RedisGraph、Neo4j、Ray For Collaboration: Github、Azure DevOps 

Resume
Profile
Zx6amgvjmkxenvsveonw

Jeffrey Lin (林奕勳)

[email protected] TW, Taipei

CAREER SUMMARY 


  • 6+ years of deep learning research and development experience, with a strong ability in prototyping, evaluation, and deployment of models, in both academical and industrial environment.
  • 2+ years of financial AI development experience, specialized in the design of python API, SDK, and framework for optimizing the deployment flow of data science, ETL, and machine learning pipelines. 
  • 1+ year of participation in the technology management assistant bootcamp, with real-experience on business user support, gaining first-hand insight on financial and corporative AI usage via cross-department collaboration. 
  • Having excellent code-quality standard, efficiency-oriented thinking, and perseverance in face of challenging problems; Continue absorbing “technical-nutrients” from the development of open-source AI community.

PROJECT

Next-Generation ETL Framework for Data Science Team

2022/7-2022/12

  • Goal: 
    1. Design a lightweight ETL python framework enabling data scientists to seamlessly deploy their pandas/SQL processes to airflow in a maintainable format.
    2. Reduce the maintenance and optimization cost of AI projects with integration of customizable data validation, metadata registration, and time/memory-profiling tools. 
    3. Ensure flexibility and extensibility in pandas-like packages (such as CuDF, Polars, PySpark, etc) for future parallelizability, targeting 1000X speedup.
  • Responsibility: Coordinate the design and development of ETL framework components. Give instruction to ETL research intern and provide code review and design guidance for the project participants.
  • Accomplishment: Have wrapped the framework into a workable python package and successfully imported it into two production projects, with ETL business logic automatically rendered on the Airflow UI in an easily traceable way.

Enhance and Maintain House Price and Mortgage Loan API

2022/2-2022/7

  • Responsibility: API Service maintenance, code refactoring, and model performance enhancement for the house-price/mortgage loan automatic appraisal system. 
  • Accomplishment: 
    1. Encrypted API re-routing: 
      • Re-route the internal mortgage API service as an encrypted API service for external client. Understand and implement the RSA/AES double encryption protocol under spec-ambiguous situation by investigating client-side PHP code. 
    2. Code refactor and migration: 
      • Reduce the cognitive complexity of service code from 1000-line-single-file situation by thoroughly understand the business logic and refactoring it into chain-of-command design pattern. 
      •  Design common module with logging mechanism to reduce future maintenance cost. 
      •  Draw and carry out the code migration plan without compromising the 24/7-criteria. 
    3. Re-design of house appraisal model for interpretability:  
      • Coordinate with research institution and business unit to build a business interpretable deep learning model. 
      • Re-design the loss function with regularization term to meet the legal requirements. 
      • Reducing the model inference time by adopting Google’s state-of-the-art nearest neighbor algorithm for referential house searching.  

Scalable ETL Pipeline for Credit Loan Marketing Data

2021/8-2022/1

  • Responsibility: 
    1. Orchestrate the cross-department coordination of the development process.
    2. Design a low-code python-SQL interface for the data-analyst of business unit and provide development and CICD guidance.
    3. Ensure business-logic-extensibility in considerations of future marketing campaign. 
    4. Ensure timely delivery of 7 million customer campaign data under 1day computation criteria.
  • Accomplishment: 
    1. Have helped the data-analyst of business unit successfully incorporate new campaign business logic into the production pipeline.
    2. A comprehensive tutorial to the development interface and CICD toolkits, enabling smooth new feature extension with zero-guidance.
    3. Significantly speedup the pipeline from 5d to 8h via map-reduce parallelization with multiple Airflow worker nodes. 

PyTorch development framework for Industry-Academy Cooperation

2021/4-2022/8

  • Goal: Develop Pytorch model development framework to reduce the academy-to-company code migration cost.
  • Features:
    1. Support training, validation, testing, weight/performance inspection, and  check-pointing of models with different architecture.
    2. Fixed experimentation flow for all models with formatted running script and folder structure, to enhance code readability and reproducibility.
    3. Support lazy evaluation and visualization of data pre-processing, avoid re-generation of data in experimentation scenario.
    4. Supporting parallel model hyper-parameter tuning via Ray (a general python parallelization framework).
  • Tools: Pytorch-lightning, Ray, TensorBoard, pyflow-viz

2D Indoor Positioning System through Android App

2014/1-2015/1 

Instructor: Professor Ren-Song Tsay
  • Survey on the state-of-the-art indoor positioning technologies and write a project proposal. Investigate the relationship between distance and the amplitude of the Bluetooth signal through experiment. Develop an android app that fuses the signals of Bluetooth and Geo sensor for position estimation. 
  • Score: A+ 

RESEARCH

Develop techniques applicable to the music industry and design experiments for proof-of-concept

2015/9-2020/1  

Instructor: Professor Homer H. Chen  

  • Developed a context-based tag propagation method to reduce the training noise and successfully improved a deep music auto-tagging model (SampleCNN) by 25.8% in MAP
  • Enhance the robustness of the tag propagation method and successfully extended the improvement to two other neural networks (CRNN and 2D-CNN) with the increase of improvement reaches 6.5%, 4.9%, and 5.5% (for SampleCNN, CRNN, and 2D-CNN, respectively)
  • Responsibility: Build up the experiment acceleration (via GPU) environment on a Linux-based server; Design the model evaluation and training strategy with TensorFlow. 
  • Conduct error analysis to understand the problem in the training data using Matplotlib and Seaborn. Tune the hyper-parameters during model development. Accelerate the evaluation and data visualization process using ray, a parallel processing package. 

Research proposal in music for lab funding from the Ministry of Science and Technology (MOST)

2015/9-2017/10 

EDUCATION 

M.S. in Graduate Institute of Communication Engineering, National Taiwan University 

2015/9 ~ 2020/1 

  • Multimedia Signal Processing (A) 
  • Special Topics on Internet of Things (A): Develop an IOT product and demonstrate its functionality. 
  • Computational Methods and Tools for Data Science (A): Familiarize myself with basic EDA (exploratory data analysis) techniques including PCA and t-SNE.

B.S. in Electrical Engineering Department, National Tsing Hua University

2011/9 ~ 2015/6

  • Programming Classes: Logic Design (A+) / Logic Design Lab (A+) / Embedding System Lab (A+)  / Computer Programming Design (A+)
  • Math Classes: Calculus I&II (A+/A+) Linear Algebra (A+) / Numerical Analysis (A) 

SKILLS


    • Programming Skills: Design Patterns、ETL、Image Building、Machine Learning、Parallel Acceleration、Python SDK Design、Refactoring 
    • Development Environment: Linux, Docker, Oracle-Cloud, Visual Studio Code 
    • Computer Languages: Python、C++、SQL、JAVA 
    • Tools for Machine Learning and Data Science: Pytorch、Pytorch-Lightning、CuDF (GPU-accelerating dataframe)、Pandas、Networkx、LightGBM、DeepGraphLibrary 
    • Tools for Model Serving, Deployment, and Data Pipeline: Airflow、FastAPI、 k8S、PostgresDB、RedisGraph、Neo4j、Ray For Collaboration: Github、Azure DevOps