Trevor Schmidt

gnosis@gmail.com

Senior software engineer with a proven record of technical leadership and achievement, across a wide range of problems and disciplines:

  • driving projects from conception to successful adoption and sustainable growth
  • acquiring and applying deep domain/subject matter expertise
  • fostering an engineering culture of velocity, quality, and continuous improvement
  • reducing and overcoming risk, to grow and deliver on new project/business opportunities

Web UI & UX

  • Skill level: ExpertReact (+ Preact & similar)
  • Skill level: ExpertReactivity (framework-agnostic)
  • Skill level: Expert“Vanilla” JS
  • Skill level: IntermediateVue

Services

  • Skill level: ExpertHTTP (REST, RPC, Distributed systems)
  • Skill level: ExpertNode.js (+ similar)
  • Skill level: IntermediateDjango (+ REST Framework)

Languages

  • Skill level: ExpertTypeScript/JavaScript
  • Skill level: ExpertCSS
  • Skill level: ExpertHTML
  • Skill level: AdvancedSQL
  • Skill level: IntermediatePython
  • Skill level: BasicSwift
  • Skill level: BasicJava

Niche/Esoteric

  • Skill level: ExpertODK XForms
  • Skill level: AdvancedClojure
  • Skill level: AdvancedSolidJS
  • Skill level: AdvancedDSLs (parsers, semantics & runtime)

Recent Experience

ODK

Senior Software Engineer
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Created and led ODK Web Forms, a runtime for user-defined data collection tools & form-based applications.

  • Led ODK Web Forms development, from conception to user adoption in production.

  • Led design and architecture to ensure key business and product goals: alignment with the flagship Collect app for Andriod; sustainable productivity and maintainability for user-facing functionality core to the business; long-term anticipation of unification on Web Forms for that core functionality.

  • Primary development of ODK XForms and XPath engines. Responsible for design and implementation of parsing, data model, runtime computational architecture, and client-/framework-agnostic rendering APIs.

  • Prototyped initial UI/UX; collaborated with dedicated UI developers as team grew; coordinated downstream integration with team developing ODK Central software for managing form applications and data access.

2021-2023: Maintainer of ODK Web Forms' legacy predecessor, Enketo.

Reup → Mister Kraken → Treez

Senior Software Engineer
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Full-stack web service and application development serving a diverse range of responsibilities related to the legal cannabis industry.

Treez2018-2020

  • Led integration between Treez B2B inventory management services, and Mister Kraken’s extant integrations with state-mandated traceability services; expanded on prior success maturing said integration to all major regulatory and vendor environments.

  • Built robust, general web service tooling as basis for Treez/Mister Kraken integration, which became a foundation for all new and anticipated service development.

  • Intervened on personal initiative in the wake of widespread vendor outages and data corruption, to institute reliable, auditable, and reproducible processes to recover and reconcile customer regulatory reporting and inventory history.

Mister Kraken2017-2018

  • Led efforts to mature and adapt early-stage integrations with WA state-mandated traceability services, ensuring stable continuation of service for customers through abrupt/rapid changes to the state’s regulatory environment and service vendor.

  • Promoted a team culture shift to embrace automation and other safeguard processes, significantly improving both team velocity and product quality.

  • Integrated Reup’s B2B marketplace software, filling the remaining gaps in Mister Kraken’s end-to-end inventory management offering.

Reup2015-2018

  • Led technical design and development of Reup’s core web application, a B2B cannabis supply chain marketplace.

  • Shared leadership and development of associated web services.

  • Joined founders and design team in user research, to ensure direct engineering involvement in product-market fit.

Reup partnered with Mister Kraken in 2017; both companies were acquired by Treez in 2018.

ClipCard

Senior Software Engineer
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Full stack engineer, leading frontend team and then service integrations.

  • Led design and development of data processing tools used by all of ClipCard’s cloud API integrations; providing common interfaces to standardize and accelerate development of service API authorization, backpressure, fault tolerance, and common data extraction patterns.

  • Led integrations with Dropbox, Evernote, GitHub and Trello; contributed to integrations with 8 additional cloud services.

  • Led frontend architecture and development of ClipCard’s web app, and provided mentorship for my successor in that role.

  • Organized a hackathon which produced 8 API integration prototypes, ultimately leading to company wide alignment on product direction as a search engine for private cloud data.

Projects I Created

GitHub

@getodk/xforms-engine

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Client-agnostic, reactive runtime for ODK XForms

GitHub

@getodk/xpath

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Extensible XPath 1.0 interpreter, supporting ODK XForms extensions, arbitrary DOM implementations

GitHub

@getodk/tree-sitter-xpath

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tree-sitter parser for XPath 1.0 syntax

GitHub

HNDarkMode

Dark mode web extension for Hacker News.

Quick weekend project, made by request when I saw that it had been left up to the Hacker News community.

GitHub

Espalier

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Placeholder style rules for Garden.

Created and open sourced at Reup to optimize redundant CSS rules as a simple DSL with a great DX.

GitHub

cljs-rrule

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A ClojureScript wrapper for rrule.js, with common Clojure semantics for RRule and RRuleSet, conforming to RFC 2445 (with some specific exceptions).

Created and open sourced at Reup for generating standardized rules for recurring dates & times.

GitHub

cljs-rest

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A ClojureScript REST client, suitable for AJAX interaction with RESTful APIs.

Created and open sourced at Reup to simplify integration between ClojureScript websites & web apps and backend REST APIs.

GitHub

alter-cljs

A ClojureScript implementation of alter-var-root.

Created to provide the same behavior as Clojure on the JVM.

GitHub

GitHub Issues Dump

Utility for exporting all of an organization’s GitHub issues and comments.

Created and open sourced at ClipCard to easily produce a full archive of an organization’s GitHub issues activity.

GitHub

Bundle Tracker

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Utility for cataloging and identifying macOS “bundle” directory types which are commonly treated as files.

Created and open sourced at ClipCard for use in several API integrations where macOS bundle directories were expected to be represented as files.

Open Source Contributions

GitHub

@getodk/web-forms

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ODK Web Forms UI client

GitHub

Enketo

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Long-term maintenance.

GitHub

Astro

Collaborate with core contributors to add support for rendering SolidJS components.

GitHub

Microsite

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Several bug fixes and feature enhancements. Microsite powers my site, thanks @natemoo-re!

GitHub

typescript-eslint

Introduced the ignoreInferredTypes option for the prefer-readonly-parameter-types rule to improve DX when the rule is used with third-party libraries.

GitHub

mdx

Improved TypeScript support.

GitHub

FAST

Improved documentation.

GitHub

Razzle

Corrected documentation in TypeScript example.

GitHub

CLJSJS

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Introduced support for big.js in ClojureScript, and updated support for rrule.js.

GitHub

Accountant

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Fixed a pair of bugs where query parameters on a link were not set when the link was clicked, and where a previous location state’s query parameters were not removed when navigating to another link without those query parameters.

GitHub

pre-commit-mypy

Expanded version support.

GitHub

speclj

Introduced support for .cljc modules. Improved reliability of determining whether .cljc tests are being run in Clojure or ClojureScript. Fixed a bug when testing whether a value is a given throwable type.

GitHub

Figwheel

Added support for the :notify-command configuration allowing projects to run arbitrary commands once a rebuild is complete.

GitHub

quick-clojure

Fixed a bug where the REPL‘s port was reported incorrectly.

Projects

24 projects listed at eyelidlessness.github.io/projects

References

Available upon request, email gnosis@gmail.com

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