Hello, I'm Sean
sean

My professional experiences

I have multiple internships and work experiences in the field of software development. Here are some of the highlights:

Tencent

Algorithm Software Engineer Intern

Aug 2024 - Dec 2024

  • Contributed to the development of an API for text translations leveraging Large Language Models (LLMs), optimizing model inference to improve contextual accuracy and support millions of daily requests.
  • Crafted a regex-based feature for a text categorization micro-service, enhancing topic classification accuracy.
  • Engineered backend concurrency mechanisms using goroutines, reducing endpoint latencies by 22%, improving request throughput, and enhancing server-side efficiency.
  • Worked with senior engineers to design and refine prompts, improving LLM contextual accuracy and mitigating injection vulnerabilities for robust performance across diverse inputs.
teamdinner and dance

Oversea-Chinese Banking Corporation

Software Engineer Intern

May 2024 - Aug 2024

  • Designed and developed an interactive quantum circuit sandbox using React and Flask incorporating a Python code editor and drag-and-drop quantum gates, utilized the qiskit library for quantum simulations.
  • Engineered a proof-of-concept for a virtual banking avatar, using Next.js and APIs from Microsoft Azure.
vision proteam

SquareX

Software Engineer Intern

Jan 2024 - Apr 2024

  • Contributed to product feature development and research at a Sequoia-backed cyber-security startup.
  • Conducted in-depth research on advanced malware obfuscation techniques and successfully developed a web application to demonstrate bypassing industry-standard web security gateways in a live environment.
  • Built privileged backend processes in Rust with native Windows APIs, enhancing secure system-level network security features for advanced threat defense.
  • Developed and deployed multiple server-less backend functions on Google Cloud Platform (GCP), used dynamic programming algorithms to match program identifiers, supporting daily consumer client usage at scale.
  • Recognized for strong performance and offered a return internship and full-time offer.

Razer

Software Engineer Intern

Jul 2023 - Dec 2023

  • Led the development of a data residency proxy using Go and Gin, and applied clean architecture design principles.
  • Involved in developing an API endpoint to feed AI-powered product recommendations to millions of Razer users.
  • Automated various API testing with Python and pytest, resulting in a 13% decrease in time to deployment.
internsteam

Accenture

Deployment Analyst Intern

May 2023 - Jul 2023

  • Liaised with various teams to plan and ensure successful application deployments.
Uniad

Co-Founder & Software Engineer

Dec 2022 - Mar 2025

  • Conceptualized and launched Uniad, Singapore’s free‑to‑use superapp connecting students with top PSLE, O‑Level and A‑Level tutors and tuition centres through intuitive search and direct messaging.
  • Built a cross-platform mobile app and website with Flutter, Next.js and Firebase, grew to over 4,000 registered users.
  • Led the shared backend infrastructure development for both mobile and web with the use of server-less functions.
  • Worked in a team of 3 to build multiple features: profile listings, messaging, personalized analytics, courses, etc.
  • Supported by university entrepreneurship programs (NUS Enterprise, NTU SEP, NTU Garage@EEE, SMU BIG).
  • Presented multiple pitches locally and abroad to potential investors.
founding teampitchcarousellshowcase

Seagate Technology

Software Engineer Intern

May 2022 - Jul 2022

  • Programmed a Python tool with Tkinter to automate execution of test cases for over 200 employees.
  • Led the development of a Python tool automating test script categorization, achieving 100% accuracy in requirements matching through advanced algorithmic analysis with abstract syntax trees.

Bosch

Corporate Information Intern

Sep 2018 - Apr 2019

  • Led and coordinated with multiple key department stakeholders to migrate files and folders to new servers, achieved 100% transition rate for every department within 3 months, and ensured flawless retention of user and group permissions in new servers.
  • Automated delivery of onboarding emails to new employees and interns via PowerShell scripting and Active Directory.
  • Developed a user interface with HTML, provided self-service hard drive encryption recovery to end-users, tested and adopted in an external Bosch office location, allowing IT service staff to focus on higher priority service tickets.
  • Enhanced the transition to self-collection of workstations for 100% of end-users in the local office by automating the tracking of end-users in an Excel file and acknowledgement of workstation collection via email delivery with SMTP using PowerShell scripting.
  • Automated the cleaning of various erroneous data fields in generated Excel report files using PowerShell.