The longer version / Updated October 2026

Experience.

I’ve worked on both sides of the support ticket. That’s shaped the way I build software.

John Sandoval

John Sandoval

Solutions Architect · Sacramento, California

I build AI-powered products and enterprise tools, taking them from an initial idea through architecture, implementation, and adoption. My background spans IT, customer support, engineering, and solutions architecture.

LinkedIn GitHub

01 / Career

The work so far.

2026ExtendSolutions ArchitectMay 2026 — PresentCURRENT

I build AI-powered products and enterprise tools, from the initial idea through architecture, implementation, and adoption.

  • Connect AI capabilities to existing business systems and the workflows people already use.
  • Combine hands-on development with product direction and architectural thinking.
2024XurrentSolutions EngineerSep 2024 — May 2026

Joined as an AI Engineer in September 2024, moved into Solutions Engineering a year later, and left in May 2026 to join Extend.

Solutions EngineerSep 2025 — May 2026
AI EngineerSep 2024 — Sep 2025
    2022UserTestingAI EngineerMay 2022 — Sep 2024

    Started in customer support and moved into engineering. A lot of my work began with a customer problem that the product didn’t have a straightforward answer for.

    AI EngineerApr 2024 — Sep 2024
    Technical Support EngineerJul 2023 — Apr 2024
    Customer Support SpecialistMay 2022 — Jul 2023
    • Built product demos and custom solutions with Chrome extensions, Figma plugins, Slack integrations, and server-based proofs of concept.
    • Worked with cross-functional teams on product limitations, technical workarounds, and customer-facing explanations.
    • Progressed through customer support, technical support, and AI engineering.
    2020Berkshire Hathaway HomeServicesElite Real EstateSenior IT AdministratorJun 2020 — May 2022

    Supported the technology behind a real estate office of more than 350 agents, and built tools to take repetitive work off their plates.

    Senior IT AdministratorDec 2020 — May 2022
    Assistant IT AdministratorJun 2020 — Dec 2020
    • Built a tool for creating marketing posters from templates and sending them to email lists.
    • Handled agent support and worked with the corporate team on systems security.
    2020Pacific Wholesale MortgageSenior IT AdministratorJun 2020 — May 2022

    Helped support a growing mortgage business as it reached 750 active loan officers and more than 3,000 registered users.

    Senior IT AdministratorDec 2020 — May 2022
    Assistant IT AdministratorJun 2020 — Dec 2020
    • Built a backend loan payment tracker and payout system with React and the Stripe API.
    • Built an onboarding flow that let new users create their own accounts.
    • Provided technical support and coordinated technology integrations.

    02 / Independent work

    Things I’ve built.

    2026 / Creator / Independent product

    Fleet

    A workspace for running Claude Code and Codex across repositories, keeping the task context, worktrees, and pull request follow-up together.

    Visit Fleet
    2023 / Earlier work / Co-founder & CTO

    No More Work AI

    An AI-powered Chrome extension used by more than 10,000 professionals for email, content creation, customer support, and marketplace workflows.

    10,000+ professionals

    2023 / Open source / Starter kit

    Next.js + LangChain Starter Kit

    A chatbot starting point built to be easier to understand and reuse. Includes chat windows, message inputs, assistant cards, and API-key input components.

    69 stars / 8 forks · GitHub, October 2026

    View on GitHub
    2026 / Open source / Library + CLI

    Meaning Assert

    Natural-language assertions for AI outputs. Checks the meaning against a requirement and supplied evidence, with pass, fail, or inconclusive results.

    View on GitHub
    2026 / Open source / Code review

    Meaning Diff

    Reviews Git diffs for weakened assertions, hidden failures, and implementations replaced with placeholders. Findings stay attached to the exact before-and-after hunk.

    View on GitHub
    2022 / Open source / Python library

    PyTok

    An unofficial TikTok API wrapper for account metrics, video views, comments, and hashtag data, with individual and full-scrape interfaces.

    View on GitHub
    All projects and source code

    03 / Tools & strengths

    What I bring to the work.

    Architecture & product

    • System design
    • Problem framing
    • Workflow design
    • Technical discovery
    • Proofs of concept

    AI & automation

    • AI agents
    • AI integrations
    • MCP
    • Process automation
    • Data workflows

    Hands-on development

    • Python
    • TypeScript / JavaScript
    • React / Next.js
    • Node.js
    • Firebase
    • Rust · Fleet

    The customer side

    • Technical communication
    • Customer support
    • Product demos
    • Cross-functional collaboration
    • Adoption

    04 / Education & certification

    Google IT Support Specialization

    Coursera · Issued October 2022

    Franklin High School

    STEM program · 2013–2017

    Back to the siteSee LinkedIn for the full professional profile.