Sean Kim

Software Engineer

Canada10 yrs 3 mos experience
AI ML PractitionerAI Enabled

Key Highlights

  • Led AI feature development at Cloudflare.
  • Scaled frontend for Buf Schema Registry.
  • Awarded Employee of The Year 2021.
Stackforce AI infers this person is a SaaS-focused Software Engineer with strong full-stack capabilities.

Contact

Skills

Core Skills

React.jsTypescriptGo (programming Language)

Other Skills

AI-powered featuressecure policy configurationusabilityfull-stack featuresvalidation pipelinesuser efficiencyfrontend developmentschema distributionschema discoveryAPI contractsProtobufgRPCGoProject ManagementLeadership

Experience

10 yrs 3 mos
Total Experience
8 yrs 2 mos
Average Tenure
2 yrs 1 mo
Current Experience

Cloudflare

2 roles

Senior Systems Engineer

Promoted

Apr 2026Present · 1 mo

Systems Engineer

Apr 2024Apr 2026 · 2 yrs

  • Built AI-powered features for the Cloudflare One dashboard, focusing on secure policy configuration and usability.
  • Developed Cloudy, an AI assistant that generates Gateway security policies from natural language, delivering end-to-end from prompt design to React UI and backend integration.
  • Shipped full-stack features (React, TypeScript, Node.js BFF, Workers AI), coordinating changes across multiple services and repositories.
  • Designed validation pipelines for LLM outputs to ensure correctness, safety, and reliability in production workflows.
  • Improved user efficiency by reducing policy creation time from minutes to seconds through AI-assisted workflows.
AI-powered featuressecure policy configurationusabilityfull-stack featuresvalidation pipelinesuser efficiency+2

Buf

Software Engineer

Nov 2021Oct 2023 · 1 yr 11 mos · Toronto, ON

  • Built and scaled the frontend for the Buf Schema Registry (BSR) from early-stage to production, owning core user workflows and system UX.
  • Delivered end-to-end features across the stack (React + TypeScript, Go/gRPC, Protobuf), improving reliability and performance of schema distribution and discovery.
  • Drove product execution from ambiguous requirements to shipped features, including scoping, UX design, and implementation.
  • Partnered with backend and product teams to define API contracts and ensure efficient, type-safe integrations via Protobuf/gRPC.
  • Improved developer experience for BSR users by streamlining schema publishing, versioning, and access workflows.
frontend developmentschema distributionschema discoveryAPI contractsProtobufgRPC+2

Holman

4 roles

Manager - Canada Operations

Jan 2021Apr 2021 · 3 mos

  • Led the company's Canadian manufacturing plant, including the teams of engineering, production, warehouse, procurement and QA
  • Achieved the highest monthly operations revenue 2 months into the role
  • Left the company to pursue software engineering

Engineering Supervisor

Promoted

Aug 2015Jan 2021 · 5 yrs 5 mos

  • Hired and managed a new team of mechanical engineers and sales engineers to streamline the process of spec quoting, engineering, and order writing functions under one team
  • Awarded Employee of The Year 2021, in recognition of leading cross-departmental collaboration and contributing to operations improvement during the pandemic

Sales Engineer

Promoted

Mar 2014Aug 2015 · 1 yr 5 mos

  • Provided technical customer support to design and engineer custom products to meet their business needs.
  • Generated 3D SolidWorks prototype drawings and quotes for customers, allowing quick and efficient iterations together.

Mechanical Engineer

Nov 2012Mar 2014 · 1 yr 4 mos

  • Implemented a new SolidWorks CAD library to replace the company’s legacy 2D CAD system, providing 3D assembly drawings and documentation for production.
  • Performed various engineering analyses to ensure conformance to the OEM manufacturing requirements.

Toronto transit commission (ttc)

Engineering CAD Assistant

Sep 2011Dec 2011 · 3 mos · Toronto, Canada Area

  • • Implemented the internal tool for providing facilities with geological information and an interactive map

The hospital for sick children

Database Assistant

Sep 2010Dec 2010 · 3 mos · Toronto

  • • Administered the hospital's facility management database and CAD blueprints.

Messier-dowty

Boeing 787 Program

May 2010Aug 2010 · 3 mos · Ajax

  • • Implemented the configuration management system for aircraft landing gears

Education

University of Waterloo

Honours Bachelor of Applied Science — Mechanical Engineering

Sep 2007Jun 2012

Juno College of Technology

Web Development

May 2021Aug 2021

BrainStation

Data Science

Jan 2020Jan 2021

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