Resume for Mark Wotton

Resume for Mark Wotton


  • primarily Haskell and PostgreSQL
  • have also worked professionally in Python, Ruby, C, shell, perl (both standalone and PL/pgSQL)
  • distributed systems design and implementation
  • backend web development
  • some embedded systems work

Work History

SimSpace (Lead Software Engineer, Oct 2017-present)

  • authored a resource management web app for deciding when a given network could be built, given the resources available. Squeal/Servant
  • authored a query language & compiler for content search.
  • wrote squealgen in order to automatically generate haskell-level types from a given database and integrated it into the SimSpace build process.
  • extensive database query profiling and optimisation.
  • added infrastructure for database-level testing with automatic migration.

BetterTeam (Senior Software Engineer, Oct 2015-Oct 2017 )

  • initiated a Haskell web app for, including email processing, analytics integration with segment/intercom, and extensive healthchecks & monitoring. yesod/postgresql/ghcjs.

MeanPath/LeadStage (CTO, Oct 2013-Oct 2015)

  • wrote a crawler that collected the front page from 160 million domains daily, engineered a system to avoid crushing the domain servers involved.
  • Haskell stack + C zeromq agent to distribute domains for fetching. Sqlite backend for temporary storage + elasticsearch for search.
  • under the leadstage brand, took meanpath crawl results and enriched them with social media info, lead scoring, Alexa rank, IP sharing information etc.

    The Haxl framework enabled runtime selection of source information and clear & efficient compound queries.

  • Other meanpath/leadstage projects
    • domain extractor (very fast stream filter for finding domain names in data)
    • arin crawler
    • fault-tolerant elasticsearch ingester
    • parallelised SMTP query engine
    • elasticsearch alternative (directly querying sqlite database in parallel)

NinjaBlocks (Co-founder/CTO, 2012)

  • IoT startup - Haskell backend, C on the device, communication through zeromq.

X-Men Origins: Wolverine movie (solder monkey, 2007)

  • soldered the blinkenlights for Wolverine’s adamantium injection scene.

Doha Asian Games ceremonies (programmer, 2006-2007)

  • Implemented a simple operating system for the PIC chip on a custom board, allowing it to be programmed from a handheld device for complex lighting tasks.

OSS patches

  • squeal, yesod, intero, mandrill binding, slack binding, sqlite3-lz4

selection of OSS solo projects

Other employers

Bigcommerce (2013), Upguard (2012-2013), Key Options (2010-2012), Westfield (2009-2010), Optus


BSc (Hons) University of Sydney


  • +1 734 239 0390
  • [email protected]