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National Taiwan University
Avatar of 羅鴻毅.
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Controls/Software Engineer @CYTENA BPS
2022 ~ Present
Software Engineer / Backend Engineer
Within one month
me being involved in core product development. I am passionate about designing information systems and automating processes, and I believe that my experience and skills can be a valuable asset to your company. 工作經歷 Controls/Software Manager • CYTENA BPS 九月Present | Taipei, Taiwan Reviewed and evaluated project specifications to design technology solutions Collaborated with software development and testing teams to design and develop robust and scalable solutions that met client requirements for functionality and performance Coordinated with mechanical and firmware engineers to evaluate and improve software-hardware interfaces. Evaluated proposed technical solutions
Word
Google Drive
Project Management
Employed
Ready to interview
Full-time / Interested in working remotely
6-10 years
National Taiwan University
Computer Science
Avatar of Kevin Hsu.
Avatar of Kevin Hsu.
Engineer II @SiFive
2022 ~ Present
Within one month
in/kevin-hsuWork Experience Engineer II SiFive SepPresent Hsinchu, Taiwan Develop code snippets for random test generator to generate test programs stressing for all the units/modules of core IPs Design and implement self-checking routines in the midst of every test programs Triage hardware design errors and revise the methodology of verification Sr. Embedded Software Engineer Phison Electronics Corps. MarAugNew Taipei, Taiwan Design and develop stable and scalable HAL APIs for high level software development on PCIe 4.0 enterprise SSD Introduce GitLab CI/CD automation to monitor and verify the stability and
Employed
Open to opportunities
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Mechanical Engineering
Avatar of Jimmy Lin.
Avatar of Jimmy Lin.
Lead Fullstack Engineer @Proto Research Inc
2022 ~ Present
Front-End / Back-End / Full Stack Web Developer
Within one month
Backend Engineer Shopee Taiwan NovSepTaipei, Taiwan Automate workflows with Python, making them Apache Airflow pipelines for better monitoring and scheduling. Optimize the algorithms for some workflows, improving the time consumption by an order of magnitude. Establish some code style for our team, providing some technical advice and code review for junior engineers . Engineer Chief Telecom JunJunTaipei, Taiwan Maintained a series of services on Chief Cloud, including IaaS, PaaS and SaaS applications with Python and some other tools. Built a Fortinet firewall configuration web application with Django, saving us a lot of time. Built many web
Python
React.js
Next.js
Employed
Open to opportunities
Full-time / Remote Only
6-10 years
National Taiwan University
Mechanical Engineering
Avatar of the user.
Avatar of the user.
Mobile Architect @Rakuten
2019 ~ Present
Senior Android Engineer
Within one month
Android
Employed
Not open to opportunities
Full-time / Interested in working remotely
6-10 years
National Taiwan University
Master degree Computer Science
Avatar of the user.
Avatar of the user.
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
Avatar of Li-Sheng Chou.
Avatar of Li-Sheng Chou.
R&D Section Lead @興創知能股份有限公司(ThinkTron Ltd.)
2018 ~ Present
Within one month
Specialized in geotechnical engineering, slope disasters, disaster potential, and risk analysis related to disaster prevention projects. 七月二月 2017 Assistant Researcher 國立臺灣大學水工試驗所 Responsible for government project analysis and report writing, with job responsibilities including GIS analysis, GIS mapping, report writing, data processing and analysis, chart creation, and review presentation preparation. EducationNational Taiwan University GeoTechnical EngineeringNational Taiwan University Civil Engineering Skills Tech Stack Python Vuejs CesiumJS LINEBot Docker K8s / Portainer PostgreSQL Linux Maintain Lambda/RDS Google API Git/Gitlab Bootstrap Qua...
Docker
Docker Swarm
AWS Lambda
Full-time / Interested in working remotely
4-6 years
National Taiwan University
GeoTechnical Engineering
Avatar of the user.
Avatar of the user.
Senior Digital Product Analyst (Digital Product Owner) @Melaleuca: The Wellness Company
2021 ~ Present
Product Manager
Within one year
Scrum master certification
Product Management
Product Owner Certification
Employed
Full-time / Interested in working remotely
6-10 years
National Taiwan University
Research and Experimental Psychology
Avatar of 林奕勳.
Offline
Avatar of 林奕勳.
Offline
人工智慧工程師 @玉山銀行智能金融處 (Intelligent Finance Dept., E-SUN Bank )
2020 ~ Present
Machine Learning Researcher / Engineer
Within one month
metadata registration, and time/memory-profiling tools. 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
Research
Music Information Retrieval
Natural Language Processing
Employed
Full-time / Interested in working remotely
4-6 years
National Taiwan University
Graduate Institute of Communication Engineering
Avatar of 王紹丞.
Avatar of 王紹丞.
Senior Staff Backend Engineer / Backend Team Lead @WeMo Scooter
2019 ~ 2022
工程師
Within two months
team Collaboration. Experiences WeMo Scooter - Senior Staff Backend Engineer / Backend Team Lead https://wemoscooter.com Participate in substantial feature developments. Foster discussions both inside and between teams to make projects success. Design and guide development process. Including feature planning document writing, code review and testing best practices. Build testing infrastructures and bring testing culture to the team. For our main repo, testing coverage boosted from 4x% to 7x%. Identify the pain points and voluntarily build tools for api endpoint request validation, automatic api document generation, and endpoint usage statistic
JavaScript
Node.js
RESTful API
Not open to opportunities
Full-time / Interested in working remotely
6-10 years
National Taiwan University
Robotics
Avatar of Derek Shih.
Avatar of Derek Shih.
Staff Software Engineer / Web & Playback Tech Lead @KKStream Ltd
2019 ~ Present
Technical Lead
Within one year
across various OS and devices, including iPhone browsers. Collaborates with designers, product owners and developers to build new product features, ensure good user experience and good code quality. Fine tune existing components and application config for better performance. Develop shared components for product features. Peer code review with team members. Tech Stack: JavaScript, React, Redux, Mobx, SASS Software Engineer(Web Fullstack) LinkChain Corporation 凌誠科技 (高雄) JanuaryMarch 2019 Help engineering team migrate from .Net to modern React based tech stack, and lead project development with new tech stack Help engineering teams
Javascript(ES6)
TypeScript
React
Employed
Not open to opportunities
Full-time / Interested in working remotely
6-10 years
National Taiwan University
Computer Science and Information Engineering

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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
Professional Background
Current status
Employed
Job Search Progress
Professions
Data Engineer, Machine Learning Engineer
Fields of Employment
Software, Banking
Work experience
1-2 years work experience (4-6 years relevant)
Management
I've had experience in managing 1-5 people
Skills
Research
Music Information Retrieval
Natural Language Processing
Information Retrieval
Machine Learning
python programming
C++ Language
Java
Tensorflow (Keras)
Numpy Data Manipulation
sklearn
Linux
Verilog
Arduino
Github
Airflow
Design Patterns
Docker
Python Programming
PyTorch
Pytorch Lightning
PostgreSQL
Languages
English
Intermediate
Job search preferences
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
Yes, I freelance in my spare time
Educations
School
National Taiwan University
Major
Graduate Institute of Communication Engineering
Print
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