Patrick Vuscan

Professional Experience

Full Stack Software Engineer

Shipped end-to-end web feature, making enterprise bio-pharmaceutical scientists/researchers' workflows more efficient, allowing visualization of relationships between deeply connected entities (e.g. DNA Sequences, Proteins, Antibodies, etc.) in a web-like UI using Reactflow
Improved developer productivity by shipping a Benchling Developer MCP Server using FastMCP 2.0 which connected to GitHub, JIRA, Sentry, our CI/CD, etc., and which could be connected to Agentic AI tools such as Claude Code or Cursor. Also standardized developer Cursor rules
Led backend service performance issue investigation, rooted in complex PostgreSQL/SQLAlchemy queries. Collaborated with infrastructure teams to improve internal load‑testing framework. Used Datadog Application Performance Monitoring to derive requirements and results
Implemented a spreadsheet import of clinical trial samples feature using Celery distributed jobs/tasks to handle scalability and throughput
Built reliable and performant web features with TypeScript, React, GraphQL, Redux, Python with MyPy, Flask, SQLAlchemy, and PostgreSQL

Worked on the League of Legends Client, an application built on CEF (Chromium Embedded Framework), Ember.js, and a C++ backend, used by more than a hundred million monthly users
Delivered a large-scale cross-team refactor to migrate players from legacy summoner names to Riot IDs. Designed interfaces and shared components with caching to support the transition. Successfully released without any live issues.
Investigated and implemented platform capabilities to handle text in both LTR and RTL languages, for the launch of the Middle Eastern server
Designed and shipped user-facing C++ REST APIs, supported by observability and monitoring (metrics, logging, profiling, etc.)
Headed reduction in memory usage and technical debt through extensive refactoring of Web Components into Ember.js components
Launched features for transitioning Southeast Asian players from third party publisher to self-published Riot Regions
Improved developer productivity and experience by developing impactful shared components and infrastructure for the League Client platform, and held monthly engineering community of practice sessions to mentor and share knowledge/context on best practices or new technologies

Decreased long session memory usage by >5MBs in the Client by identifying 19 leaks and creating Ember.js component wrappers
Identified source of broken callbacks between nested Ember.js applications through deep dive into unique interactions in the Ember engine

Decreased user drop-off rate by implementing a guided, mobile in-browser video scanning feature
Increased user flow completion rate through UX overhaul using React.js in TypeScript, Material UI, and Redux Toolkit
Implemented front-end user behaviour tracking system to diagnose user journey choke points and lower product metrics costs

Created a mobile Expo React Native application for Content Delivery and social media interactions
Used Sanity Studio to create a custom CMS and Content Creation Platform
Built a proprietary React Native component library for native markdown rendering
Mentored three junior engineers in React fundamentals and state management

Only software developer intern brought into the Digital Factory during summer 2020
Developed customer target filtering features using React.js and Redux
Won bank-wide Intern Capstone project with educational solution to increase customer acquisition

Developed web and native Android/iOS applications for patient-facing healthcare platform
Built features using custom JavaScript framework, Node.js backend, and MongoDB database
Worked on native application deployment through Adobe PhoneGap

Developed a reactive prototype for Scotiabank's Global Payments division, mocking Interac's Request to Pay feature
Created customer and internal facing application with React.js
Built REST APIs for back-end services with Express.js in TypeScript