Ruby on Rails, Sidekiq, ReactJS, Typescript, Segment, PostgreSQL, MongoDB, HTML & CSS, Docker, Kubernetes, Snowflake, AWS Elasticsearch, AWS S3, Radiant on Shiny, SQL

Backend

- Completely revamped old notifications system and built new notifications systems for new features. Designed and built notification toggles to improve user experience. Increased engagement by about 20%, calculated based on click rates of emails.
- Built complex query pipelines in the new microservice that the team built
- Built HTML email and SMS templates on Embedded Ruby

Frontend

- Worked on the mono repository with NX. Building simple edit, search, filter capabilities.

Security

- Remediated 10 critical and 30 high priority vulnerabilities in various repositories.
- Enforced new security measures against generative AI prompt hacking in Workstream’s new AI product.

Data Science

- Building a predictive hiring model for customer scale to increase engagement of users. Using SQL to query Snowflake for 6 million rows of unstructured data and analysing it with Radiant on Shiny.

ReactJS, NestJS

Agile Workflow – Bug Testing and Fixing on the application

New feature implementation – Make-up classes

ReactJS, Google Analytics

Reworked various components with padding and margins to make the UI and UX more visually appealing. Integrated Google analytics. Did sprints of 1 week increments before Web Publication in September.

Start-up Business Summary: We aim to simplify and redefine how society views food waste with a software application to encourage and motivate households to repurpose their food waste together.

Software - Conducting market validation building a mobile application with about 50+ users for now

Hardware - Made a 3D-printed handheld compost bin. This bin can solve the 3 main friction points: odour, convenience and getting people started.

Hosted webinars and workshops with over 700+ participants in total, connecting experts with enthusiasts. Built a facebook group with over 400 members.

Building an AI tool to help students learn at their level, detailed by the Copenhagen Consensus as one of the most important problems to solve in education.

Working with Professor Mark Kubinec in Chemistry and Professor Dan Garcia in Computer Science.

Building a learning tuition system to increase accessibility of education for students. Received $10k in grant from the Singapore government to build the solution to the problem. We are offering a 1-to-1 tutoring solution for students.

Converted a SQL to a No-SQL database using MongoDB and Flask.

Improved query time by reordering indexes. Overall improvement speed-up of web application about 10% through changes in the database.

Administrated and ran a Hackathon

Managing a team with 3 main responsibilities – Webpage, Hardware Networking and Database.

Webpage – General maintenance. Interpret analytics and edit elements based on the flow of traffic.

Hardware Networking – Server and storage maintenance. Spearheaded efforts to decentralise server to prevent over-reliance of old technology, reduce crash rate of computers to 0% during server outage.

Database – Used PHP and ApacheDB to upgrade registration processes. Improved convenience of Hall leaders by an additional a feature to view hall points, reduced registration process from 4 days to 3 days.