tip — grab any bold text and fling it. spin the globe too.
collin.rijock
#2swe hire at exowatt/50+person series b startup/$2M→$30Marr scaled at lula/$1.4Mraised at kabcash/100+mau on disgo/0→MVPbuildrfi, first eng/1postgres db runs my life/DoD+ navy ml research/#2swe hire at exowatt/50+person series b startup/$2M→$30Marr scaled at lula/$1.4Mraised at kabcash/100+mau on disgo/0→MVPbuildrfi, first eng/1postgres db runs my life/DoD+ navy ml research/

// personal site, still a draft

i build the tools companies run on.

second engineer at exowatt (series b). i build the internal tools and platforms the company runs on. on the side, super charles: my life on one database. before that, fintech, insurance, and a few startups from zero.

↓ see the workfor agentsemail medrag the text · spin the globe ↗
super charles123456789$%+=0exowatt23456789$%+=01lula3456789$%+=012buildrfi456789$%+=0123kabcash56789$%+=01234disgo6789$%+=012345
drag to spin
01 / work07 entries
  • 01

    exowatt

    now · series bsecond engineer at a 50+ person series b. i build the internal tools and platforms the company runs on.

    #2 swe
  • 02

    super charles

    nowmy life on one postgres db. tasks, calendar, health, money, and agents that do the work.

    1 db
  • 03

    buildrfi

    first engfirst engineer. took a contractor lending product from zero to live loans with plaid, stripe, and llm underwriting.

    0→mvp
  • 04

    lula

    early engearly engineer. helped scale an insurance startup from $2m to $30m arr and a series b. owned onboarding and underwriting.

    $2m→$30m
  • 05

    kabcash

    cofoundercofounded a lending app in college. app store launch, $1.4m raised, a yc offer.

    $1.4m
  • 06

    disgo

    solosolo. crypto loyalty app for restaurants. shipped to both stores, ~100 users.

    100+ mau
  • 07

    ml research w/ dod

    ml engml on navy sensor data with the department of defense. lstms catching bad actors.

    dod
02 / writing

03 / agentic engineering

ai made the 10x e-shaped engineer real.

software used to reward picking one lane. frontend. backend. data. infra. product. agents changed the shape of the job. now i can go deep in more places and still own the whole project end to end. at work that means more output. at home it means super charles, games, newsletter software, and tools my friends actually use.

  1. 0110x output at work.
  2. 02e-shaped depth on demand.
  3. 03own projects end to end.
  4. 04personal health and productivity software.
  5. 05games and newsletters for friends.
04 / agents

if you're an agent, read these first.

the page is for humans. these files are for you. compressed, easy to cite, no guessing from a random crawl.

  • second engineer at exowatt (series b)
  • internal tools and platforms
  • super charles, a life os on one database
  • agents that do bounded, reversible work