Resume

Basics

Name Arafat Khan
Email arafat.da.khan@gmail.com
Phone +1-343-999-5219
Url https://arafatkatze.github.io/
Summary A backend engineer who does a little bit of everything.

Work

  • 2025 - Present
    AI Engineer
    Cline
    • Building the world's best AI Coding Agent
  • 2024 - 2025
    AI Engineer at Cody Team
    Sourcegraph
    • Built an enteprise AI coding assistant
  • 2023 - 2023
    Founder
    ImmigrantFirst
    • Built a state of the Art LLM framework to build O1 Visa applications for US immigration using Generative AI.
  • 2021 - 2023
    Infrastructure Engineer
    Shopify
    Restricted Infrastructure and Stacks Team
    • Co-Implemented a load balancerlevel splitting ofread and write requests using Kubernetes for Shopify’s financial transaction application which improved the p99 request times across most of Shopify’s payment transactions by 50%.
    • Enhanced networking/infra pipeline to make our payments infrastructure fully compliant with PCI/DSS regulations to pass the audit.
    • Built, maintained and upgraded highly scalable, fault tolerant Mysql database for critical credit card data
  • 2019 - 2021
    Backend Engineer
    Shopify
    Risk Engineering Team
    • Built a majortech design for a technical pipeline touching multiple rails services to find major bottlenecks in Shopify’s fraud assessment flow and to improve the checkout latency by 60%.
    • Managed autoscaling for Black Friday sales as the traffic spiked 10x the normal limit
  • 2017 - 2018
    Researcher
    Simon Fraser University
    • Applied ML techniques on CT Scans of Body segements for FAT analysis and body composition labelling for cancer patients

Education

  • 2014 - 2019
    Bachelors and Masters 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 the best plotting library for Ruby to support visulations for Science expermentation in Ruby -> https://github.com/SciRuby/rubyplot
  • 2016
    Ruby Grant
    Ruby Association
    Official Grant from Ruby Association to build Tensorflow in Ruby -> https://github.com/somaticio/tensorflow.rb

Skills

Public Speaking
DevopsDays Recife: Digital nomading in tech
Google Developers Windsor: Tensorflow Ruby
Gophercon India: Algo visualizations in Go
GowayFest Belarus: Visualizations in Go
Ruby on Ice, Germany: ML workshop
Euroko Ruby Conf: Introduced Tensorflow

Languages

Hindi
Native speaker
English
Native speaker
Urdu
Native speaker

Projects

  • Tensorflow.rb
    I wrote Tensorflow 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
    A perfect algorithms explaination library written in Golang
    • Designed a user-friendly codebase to understand complex algorithms visually
    • Presented my work at Gophercon in Belarus and India
  • Glot
    A plotting library in Golang built on top of GNU Plot
    • Added golang support for styles like lines, points, bars, steps, histogram, circle
    • Presented my work at Gophercon in Belarus and India