LogoNathan Colosimo
Boston, MA

Highlights

Open Experience
Forward Deployed Engineer
Tenex.co
June - July 2025

Built an MVP for an AI medical startup and onboarded their first major customer. Built a mobile app that launched as a top-30 app on the iOS App Store.

Co-Founder, CTO
Sharpsenders.com
September 2024 - August 2025

Launched AI SaaS to help cold outreach agencies manage campaigns and replies, securing early paying users from cold outbound communities, decreasing response times from 2+ days → 30 seconds.

Software Developer
Opskings.com
July 2023 - August 2024

Helped agencies and other online businesses scale operations through implementing custom internal technology and automations.

Co-founder; CTO
Viralabs
September 2022 - May 2023

Developed a system for short-form content distribution and brand growth on Instagram and TikTok for business owners that wanted to scale their online presence but lacked a structured content strategy.

Links

GitHub
Instagram
LinkedIn
Substack
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Open Source PRs

  1. Merged a pull request in better-auth/better-auth

    Mar 4
    fix(account): use accountId instead of id in accountInfo endpoint

    ## Summary - Fixes the `accountInfo` endpoint which was passing `account.id` (internal DB row ID) to `getAccessToken`, but `getAccessToken` matches on `ac...

    3 comments26,938 stars
  2. Merged a pull request in vercel/workflow

    Feb 26
    fix(next): avoid package.json resolver failures in loader dep tracking

    Fixes #1087 , and I've been having this problem myself with: Bun monorepo, turbopack, nextjs, calling start() in react server action in the actions.ts file....

    4 comments1,763 stars

Substack

    Musings on College
    Musings on College

    De-mystifying the Mystical

    Oct 2024

    Skill Acquisition, Learning, and Passive Knowledge
    Skill Acquisition, Learning, and Passive Knowledge

    Oct 2024

    The Paradox of Advice
    The Paradox of Advice

    (and how to fix it)

    Oct 2024

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