Marcus Tan

Marcus Tan AI Engineer & Machine Learning Engineer SUMMARY AI Solutions Architect and Full Stack Engineer with deep expertise in building advanced AI/ML and Computer Vision solutions. Skilled in backend architecture, scalable model deployment, and cloudnative AI systems. Adept at using TensorFlow, Keras, PyTorch, and OpenCV. Proven track record in delivering impactful solutions across fintech, healthcare, and logistics sectors. SKILLS           AI/ML Frameworks: TensorFlow, Keras, PyTorch, Scikit-Learn, OpenCV, Rasa, Google DialogFlow Backend Development: Python, Flask, FastAPI, Django, C/C++, Go, Java Machine Learning & Deep Learning: Regression, Predictive Modeling, Clustering, NLP, Time-Series Forecasting, Neural Networks, Reinforcement Learning Computer Vision: Image Processing, Object Detection, Face Recognition, Segmentation, OpenCV, YOLO, CNNs, Transfer Learning Cloud Infrastructure: AWS, Azure, GCP, AWS Lambda, ECS, DynamoDB, S3, CloudWatch, SSM, Google Cloud ML DevOps & CI/CD: Jenkins, GitHub Actions, Docker, Kubernetes, Terraform, CircleCI, Helm, Git, Version Control Data Management: PostgreSQL, MongoDB, MySQL, Redis, Apache Kafka, SQLite AI Model Deployment: Model Optimization, Distributed Training, Serverless Architectures, API Integration, Scalable Systems Tools & Frameworks: Jupyter, Flask, FastAPI, Django, PyTorch Lightning, AWS SageMaker, Kubeflow, Docker, Kubernetes Agile/Scrum Methodologies: Jira, Confluence, Slack, CI/CD, Agile Development CERTIFICATIONS      Microsoft Azure Data Engineering Associate (DP-203) – Jan 2024 AWS Cloud Solutions Architect – Oct 2023 Artificial Intelligence for Business – Jan 2022 Rasa AI Certification – Jan 2022 CompTIA Project+ – Nov 2016 PROFESSIONAL EXPERIENCE Grab Holdings Ltd. – Singapore Senior Software Engineer  August 2023 – December 2024 Built scalable AI-powered backend systems for real-time demand forecasting and ride optimization.    Integrated TensorFlow and Keras into cloud-native ML pipelines using AWS Lambda and ECS. Applied OpenCV for automated identity verification and fraud detection. Improved model training efficiency by 30% through distributed learning methods. Shopee – Singapore Senior Full Stack Engineer | AWS Architect    January 2023 – August 2023 Led architecture of AI-driven pricing optimization system using AWS SageMaker and FastAPI. Streamlined DynamoDB and S3 integration to cut retrieval latency by 32%. Automated deployment pipelines and model monitoring with GitHub Actions and CloudWatch. GovTech Singapore AI Software Engineer    January 2021 – August 2021 Developed NLP-powered chatbots for citizen services using DialogFlow and Rasa. Reduced inquiry response times by 25% via transformer-based language models. Deployed scalable APIs for cross-agency data access and AI insights. ST Engineering Senior AI Cloud Architect    August 2019 – August 2024 Engineered AI solutions for smart city applications leveraging TensorFlow and PyTorch. Optimized vision-based traffic systems using YOLO and OpenCV. Deployed FastAPI microservices to enable real-time image recognition and alerts. Sea Group (Garena) Full Stack Developer    September 2017 – March 2019 Supported ML model backend with Python and Flask for gaming analytics. Enabled deep learning-based matchmaking features for user retention. Deployed cloud-based AI tools on AWS and GCP. DBS Bank Software Engineer    August 2016 – September 2017 Built frontend components with React for financial dashboards. Integrated machine learning APIs to provide customer behavior insights. Developed predictive analytics tools for marketing and risk assessment. EDUCATION National University of Singapore (NUS) – Singapore Master of Computing – Artificial Intelligence Specialization