Resume

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GitHub Activity

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@arafatkatze

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Basics

Name Arafat Khan
Email arafat.da.khan@gmail.com
Url https://arafatkatze.com/
Summary Founding engineer at Cline, an open-source AI coding agent, and a speaker at AI Engineer World's Fair. I build production AI systems from agent harnesses and evals to infrastructure.

Work

  • 2025 - Present
    Founding Engineer
    Cline
  • 2024 - 2025
    AI Engineer at Cody Team
    Sourcegraph
    • Built an enterprise AI coding assistant
  • 2023 - 2023
    Founder
    ImmigrantFirst
    • Built an LLM-assisted workflow for preparing O-1 visa application materials
  • 2021 - 2023
    Infrastructure Engineer
    Shopify
    Restricted Infrastructure and Stacks Team
    • Co-implemented load-balancer routing for read and write requests in Shopify’s financial transaction application, improving p99 request times across most payment transactions by 50%.
    • Updated the payments networking and infrastructure pipeline to meet PCI DSS requirements for an audit.
    • Maintained and upgraded MySQL infrastructure for critical credit-card data
  • 2019 - 2021
    Backend Engineer
    Shopify
    Risk Engineering Team
    • Designed a pipeline across multiple Rails services to identify bottlenecks in Shopify’s fraud-assessment flow, reducing checkout latency by 60%.
    • Managed autoscaling for Black Friday traffic at 10x the normal volume
  • 2017 - 2018
    Researcher
    Simon Fraser University
    • Applied machine-learning techniques to CT scans for body-composition analysis in cancer research

Education

  • 2014 - 2019
    Bachelor's and Master's in Technology
    Indian Institute of Technology, Kharagpur
    • Probability
    • Algorithms
    • Programming Languages
    • Introduction to Electronics
    • Stochastic Processes
    • Machine Learning
    • Operating Systems
    • Distributed Systems

Awards

  • 2018
    Google Summer of Code
    Scientific Ruby Foundation
    Built RubyPlot, a plotting library for scientific visualization in Ruby
  • 2016
    Ruby Grant
    Ruby Association
    Received a Ruby Association grant to build a TensorFlow API for Ruby

Skills

Public Speaking
AI Engineer World's Fair: Evals Are Broken, Use Them Anyway (2026): watch
AI Engineer (Europe): Don't Build Slop, 4 Levels of AI Agent Maturity (2026): watch
DevOpsDays Recife: Digital nomading in tech (2022): talk
GopherCon India: Algorithm visualizations in Go (2019): project
Google Developers Windsor: TensorFlow Ruby (2019): event
GoWayFest Belarus: Visualizations in Go (2018): project
Ruby on Ice, Germany: ML workshop (2018): talk
EuRuKo Ruby Conf: Introducing TensorFlow Ruby (2017): video

Projects

  • TensorFlow.rb
    A TensorFlow API for Ruby
    • Spoke about this project at many tech conferences all over Europe and North America
    • Project was eventually endorsed by Ruby Association
    • Project trended on GitHub for a few days
  • Dataviz
    An algorithm-visualization library written in Go
    • Designed a user-friendly codebase to understand complex algorithms visually
    • Presented my work at GopherCon events in Belarus and India
  • Glot
    A plotting library in Go built on GNUplot
    • Added Go support for lines, points, bars, steps, histograms, and circles
    • Presented my work at GopherCon events in Belarus and India