Geyu Lin

Experience

• 

  NEXhome Smart Technologies Co . , Ltd.

  May 2019 - Aug 2019

  Research And Development Intern
• 

  National University of Singapore

  Aug 2020 - Aug 2022

  Teaching Assistant of CS1231S (Discrete Structures) and CS2030/S (Programming Methodology II, about Java Object-Oriented Programming and Functional Programming)

  • Research Intern

    Sept 2020 - Aug 2022

  • Teaching Assistant

    Aug 2020 - Dec 2020
• 

  PayPal

  Jan 2021 - Jul 2021

  Software Engineer Intern

  Internal Issue Tracking Tools Development: - Developed a comprehensive internal issue tracking tool, streamlining project management and bug reporting processes. - Implemented user-friendly interfaces and robust backend systems to enhance team productivity and communication. - Integrated the tool with existing workflows, resulting in improved project visibility and faster issue resolution.API Testing Enhancement: - Spearheaded the improvement of Functional Testing for APIs, significantly increasing test coverage and reliability. - Designed and implemented automated test suites to ensure API integrity and performance under various conditions. - Collaborated with cross-functional teams to identify and address potential API vulnerabilities and edge cases.Skills:• Full-Stack Development• API Testing and Development• Project Management Tools• Test Automation Show less

• 

  Agoda

  Aug 2022 - May 2023

  Data Science And Machine Learning Intern

  Reinforcement Learning Expertise: - Developed and implemented an advanced Online Learning Framework using Reinforcement Learning techniques. - Designed and optimized algorithms for real-time decision-making and adaptive learning systems. - Improved model performance and efficiency through iterative testing and refinement.Big Data Technologies: - Gained hands-on experience with Hadoop ecosystem, utilizing it for distributed storage and processing of large-scale datasets. - Proficient in Scala programming, leveraging its capabilities for building scalable and efficient data processing pipelines. - Implemented data-intensive applications combining Hadoop and Scala for optimal performance.Data Analysis and SQL: - Wrote complex SQL queries for in-depth data analysis and insights extraction. - Optimized database queries for improved performance and faster data retrieval. - Conducted thorough data exploration and visualization using SQL in conjunction with other analytical tools.Skills:• Reinforcement Learning• Online Learning Algorithms• Hadoop Ecosystem• Scala Programming• SQL Query Writing and Optimization• Data Analysis• Big Data Processing• Machine Learning• Data Engineering• Distributed Computing Show less

• 

  A*STAR - Agency for Science, Technology and Research

  Jul 2023 - now

  Research Engineer

  Aural & Language Intelligence Enhancement:- Adapted Whisper model to significantly improve Singlish understanding and recognition.- Conducted continuous pre-training of Large Language Models (LLMs) to optimize Tamil language processing for intelligent tutoring systems.Speech Technology Advancement:- Led speech data processing initiatives to enhance speech encoder training.- Developed and trained sophisticated speech evaluation models.Multilingual AI Development:- Specialized in creating AI solutions for diverse language contexts, including Singlish and Tamil.Full-Stack Development:- Implemented end-to-end solutions for all mentioned technologies, ensuring seamless integration of AI models into practical applications.Skills:- Natural Language Processing (NLP)- Speech Recognition and Synthesis- Machine Learning Model Adaptation- Multilingual AI Development- Full-Stack Development- Intelligent Tutoring Systems Show less