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Rajat Kumar

I build systems that think — and think about systems that build.

  • Identity

    import { Rajat } from 'chicago'

    • Resume

      import resume from "./Rajat-Kumar.pdf"

    • Education

      import { MS, BTech } from "./credentials"

      • UIC

        MS Computer Science, GPA 4.0, May 2023.

      • NIT Hamirpur

        BTech Electronics & Communication Engineering, GPA 3.65, May 2017.

  • Projects

    Callable units of work, each with a public artifact behind it.

    • Reachble

      Auto-generated VEX for npm projects, backed by reachability analysis.

    • MFKit

      Polyglot Module Federation, scaffolded and self-healing.

    • RESUMIND

      Resume optimizer. Takes a resume and a target job description, returns structured suggestions through domain-specific prompt rules and structured Claude output pipelines.

    • The Traversal

      This site. A portfolio structured as a traversable AST.

  • Research

    Written arguments. The thesis behind the code.

    • Rewiring the Interface

      Ten patterns of interaction evolution, and what they mean for the people building interfaces.

  • Skills

    The object expression: what I know and where I've used it.

  • Timeline

    const journey: Experience[] — the ordered sequence of where I've been.

    • Journey

      Publicis Sapient → UIC → Airblox → Capital One.

      • Publicis Sapient

        Three levels across four years. Multi-brand e-commerce architecture on SFCC/SFRA serving 500K+ monthly users, a REST-to-GraphQL migration, and micro frontends before the term was common.

      • University of Illinois at Chicago

        4.0 GPA. Reinforcement learning, artificial intelligence, cloud computing, and the Scala DSL that became the ancestor of Clause.

      • Airblox

        Full-stack task management application, a resource-efficient ETL flow, and internationalization across 5 languages.

      • Capital One

        Owns the collections operations console and the 15+ microservices behind it. Core engineer on the Discover → Capital One merger: 50M+ account migration, roughly 10M live to date, no service interruption on any owned system.

  • Philosophy

    Three essays on consciousness, compilers, and the nature of understanding.

    • Code as Consciousness

      The parallels between Advaita Vedanta's model of consciousness and how programs execute.

    • Why I Build Languages

      The compiler as the ultimate tool for understanding — if you can compile it, you understand it.

    • On AI Consciousness

      A genuine inquiry into whether AI systems have experience — informed by Vedantic philosophy and daily AI use.

  • Connect

    export { github, linkedin, email } from 'rajat'