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$100 USD / hour
Flag of HONG KONG
hong kong, hong kong
$100 USD / hour
It's currently 2:37 PM here
Joined June 5, 2015
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Kit Sang C.

@johnsonchong

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$100 USD / hour
Flag of HONG KONG
hong kong, hong kong
$100 USD / hour
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AI/Machine Learning/Data Science

1 Data Science / Statistic(2 yr) pandas, numpy, pyspark , Dash, plotly, Power BI, statsmodels, Jypyter, Matplotlib, Plotly, Seaborn , Exploratory Data Analysis (EDA), Time-Series Analysis/Forecasting ,Autoencoder, Transformer , ARIMA, SARIMA, Statistical Analysis, Machine learning/ Deep Learning, Data Preprocessing (data wangling/ Data Cleaning), Web scraping, Feature Extraction/Engineering 2 Machine Learning/ Deep learning (3 yr) AWS Sagemaker , Colab, Linear /Logistic regression, SVM, KNN, CNN, RNN, LSTM, clustering, DBSCAN, Naive Bayes, Decision tree, Ensemble Learning, Transfer Learning, PCA, Data Augmentation, unsupervised/supervised learning, rapids, Numba 3 Computer Vision Skill: (3 yr) OpenCV, CNN (ResNet/DenseNet) Image Segmentation ,U-net, face Detection/recogition, Faster R-CNN, Mask R-CNN, YOLO, Image Argumentation, DeepSort, Real time object detection/ Tracking, Object counting, OCR, Human Activity Recognition 4 Natural Language Processing (NLP) Skill (2yr) N-Gram, Tokenization, Sentence transformer, Wikipedia similarity search (Faiss-gpu),stemming, TF-IDF, Chinese Text Segmentation, Cosine Similarity, NER, BERT transformer , Autoencoder, Word Embedding, Question Answer, Chatbot, Sentimental Analysis , Text Ranking, summarization 5 Generative AI / LLms Skill (1yr) ChatGPT, AutoGPT, FLAN-T5, LLaMA 2, DeBERTa-V3, LangChain , in-context learning, zero/one/ few shot inference, ReAct , Retriveal Augmented Generation(RAG), PAL, Parameter Efficiency fune-tuning (PEFT), LoRA, RLHF, Transfer style, GAN model 6 AWS/Azure/Google Cloud Computing (2yr) Framework/SDK: AWS serverless (Lambda), AWS API Gateway, AWS EC2, S3 , ECS, ECR, AWS kinesis data/video streaming, AWS Glue (ETL), AWS dynamoDB, Amazon Sagemarker , Azure Machine Learning studio, Azure Cognitive Services 7 Programming skill: Language: (Java) (5yrs), (Python) (3 yr), (javascript , SQL, R) (2yr) UML, kotlin,(3yr), (C/C++) (13 yr) Full Stack: RestFul API, CSS/HTML, JavaScript, Node.JS, Express.JS, ReactJS,( MERN Stack),Flask, Django, Kafka, Message Queue Web Scrapying /Web Crawling : Scrapy, Beautiful soup, request, scaper, urllib, pysider Docker : Docker, Kubernete (K8s), minikube, Docker compose, portainer (1yr) Database : DynamoDB (noSQL), MongoDB atlas , MySQL, SQLite, PostgresSQL(1yr) Android /iOS Apps Development (3 yrs): kotlin/java, React Native, Gradle/groovy, Aidl interface(remote service), Widget Big Data Framework: MapReduce, Hadoop, PySpark, RDDs, PysparkML

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Portfolio

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Experience

AI Engineer (Team Leader)

Prodigy Electronics
Apr 2022 - Oct 2023 (1 year, 6 months)
Job Duties: • AI algorithm , architecture research and development (computer vision, NLP, LLMs/ Data Science/Analytics) • Bid HK Government Tender /EMSD AI project, full stack development, AI Data analytics on Cloud (AWS) Achievement: • People Counting Analysis/Predication, AI Sensor Anomaly Detection, AI Bidirectional sign language translator

Senior AI Engineer (Team Leader)

iEMIS (HK) Ltd.
Jan 2022 - Mar 2022 (2 months, 1 day)
Job Duties: • AI Application/Algorithm Development for Medical Image Analysis Algorithm • Design ERCP Annotations Algorithm , design Polyp Classification Algorithm ,Manage AI team member Achievement: • AI Polyp Detection , Study Polyp classification Algorithm

AI Specialist

Megasoft Ltd.
Jun 2021 - Jan 2022 (7 months, 2 days)
Job Duties: • Build Machines Learning model for AI Application/Algorithm Development (Computer Vision), Edge Computing, Build Containerized Machine Learning (Docker), Data science / Data Analysis, Full stack development Achievement: • AI Computer Vision ( TestTube/bottle/clothes Counting), Build Machine learning infrastructure (docker base)

Education

Master of Science in Information Technology (Steam in AI and Big Data)

Hong Kong Polytechnic, Hong Kong 2019 - 2021
(2 years)

Msc in Electronics and information Engineering

Hong Kong Polytechnic, Hong Kong 2006 - 2009
(3 years)

Bsc in electronics

The Open University of Hong Kong, Hong Kong 1998 - 2003
(5 years)

Qualifications

IBM Data Science Professional Certificate

IBM
2023
In this Professional Certificate, learners developed and honed handson skills in Data Science and Machine Learning. Learners started with an orientation of Data Science and its Methodology, became familiar and used a variety of data science tools, learned Python and SQL, performed Data Visualization and Analysis, and created Machine Learning models.

Professional diploma in project management and corporate outsourcing

Chinese University of Hong Kong
2014
Certification for Project management and outsourcing , Study PMP, Ms project

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