Aik Hong Koh Email & Phone Number

Singapore

GPTLearn | CampusX• Performed in-depth analysis of student-generated prompts to discern patterns in usage and comprehension, informing future curriculum adjustments and support offerings.• Managed the extraction and preprocessing of extensive datasets from the in-house developed GPT-4 API wrapper, ensuring data integrity and relevance for analysis.• Utilized Atlas.ti for open coding of student prompts, enabling a structured approach to qualitative data analysis and insight generation.• Conducted iterative coding sessions to achieve a Krippendorff's alpha of above 0.8, reflecting high reliability in the coding process and subsequent analyses.• Implemented frequency analysis, unveiling prevalent themes and areas of common inquiry among students working with GPT-4, driving focused educational support.• Leveraged advanced machine learning techniques, including text embeddings, clustering, PCA, and t-SNE, for robust pattern recognition and data visualisation.• Collaborated with AI models like GPT-4 to automate parts of the analytical process, extracting complex insights and identifying latent patterns within student interactions.

Singapore

Government on Commercial Cloud (GCC)GCC 2.0 | GCC PlusGCC Provisioning Squad• Contributed to the development and upkeep of the Government on Commercial Cloud (GCC) service, ensuring maximum uptime and strict compliance to the Service Level Agreement (SLA).• Architected and implemented a Key Rotation and Notification Service (KRONOS) from the ground up, using a microservice design, bolstering security measures and eliminating service disruptions due to key expiration.• Engineered an API to automate service requests, dramatically cutting down the request fulfillment duration from 30 minutes to less than 5 minutes, thereby enhancing team efficiency.• Pioneered an API Key Vending Machine service from scratch, that issue and manage API Keys for GCC’s internal APIs, addressing the issue of accountability when using API keys and ensuring secure and responsible access.• Authored and structured a comprehensive onboarding guide for incoming software engineer interns, expediting the learning curve of AWS and Terraform and ensuring interns are adequately equipped for their assignments during the internship.• Applied Agile methodologies, actively participating in sprint ceremonies and contributing to task prioritization and effort estimation.Tech Stack:Python, Javascript, Typescript, Terraform, AWS, Azure AD, IAM, S3, Cloudwatch, DynamoDB, EventBridge, Secrets Manager, Lambda, API Gateway, Cognito, Amplify, SNS, SQS, SES, Gitlab, Confluence, Jira, Slack

50.002 Computation Structures• Assisted the lead instructor in their delivering of lessons on digital systems architecture.• Supervised and provided guidance during software labs focused on CMOS technology, logic simplification, sequential logic, assembly language, and the introduction to the Beta computer architecture.• Assisted in the grading of assignments, ensuring they align with the course's learning objectives, such as the design of hardware systems, digital system synthesis, and understanding modern operating systems.

Singapore, Singapore

• Contributed to the development of the full software development life cycle for SmartVision, resulting in a highly accurate real- time road defect detection app that improved road safety and maintenance efforts.• Designed a normalized MS SQL database for SmartVision, improving data integrity and reducing redundancy, resulting in more efficient data management and analysis.• Designed and implemented a scalable REST API using Express.js for SmartVision, allowing for seamless communication between the client and server through the use of WebSockets.• Developed a responsive mobile app using Flutter that leveraged the API to detect road defects in real-time, improving road safety efforts.• Implemented a highly interactive web dashboard for SmartVision using React.js, enabling users to easily access and analyze data collected from each road inspection. Included features such as data visualization tools and customizable report generation.• Enhanced the existing backend for WorkSafe by introducing an ORM, improving the maintainability of the code base and increasing security through the prevention of SQL injection attacks.• Developed the business logic for the background service of SmartCaire, an app that allows family members to be aware of the live status of one another. Implemented features such as real-time location tracking and emergency notification capabilities.• Optimized data collection processes for SmartCaire to balance the trade-off between battery usage and data accuracy, resulting in a more efficient and effective app. • Implemented innovative data collection methods that improved the speed and accuracy of data gathering.Tech Stack:Javascript, Typescript, Python, React.js, Flutter, Dart, Azure, App Service, Azure Function, Express.js, MS SQL, Socket.io, Sequelize

Singapore

Contributed to Singapore's frontline efforts against Covid-19, provided safe and accurate swab tests to adults and children under home quarantine.

Singapore

Coordinated the home swabs operations at Jaga-Me, providing timely and professional swab tests for the people under home quarantine. Responsible for liaising with MOH to ensure the timely submission of the swab test results to aid in the contact tracing efforts. Developed a bot to streamline the administrative process, thus increasing work efficiency. Assisted with accounting the swabbers' payout and billing MOH for the home swabs accurately. Recovered 800k in accounting discrepancies for Jaga-Me in a tight timeline for MOH's approval.