Callum Wiremu Jones

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Co-founder & CTO at Hollow Robotics · product, open source

Hollow Robotics
Auckland, New Zealand · NZST (UTC+12)
14+ years experience
Chulalongkorn University
English
Raising
Messaging unavailable

Overview

Co-founder & CTO of Hollow Robotics, working on developer tooling. Took Hollow Robotics from zero to $7 million ARR. Previously built and sold a small developer tooling company. Before that: ByteDance and Coupang. Most at home with logistics and product. Gardening and composting evangelist.

Good reasons to reach out
  • Investors who back our stage and sector
  • Questions about developer tooling
Please don't message about
  • Courses and coaching offers
  • Offshore staffing offers
  • Crypto token projects

Fastest replies in the morning

Skills
logisticsproductopen sourceRust
RaisingRaising capital
closes in 3 months

Seed round open - field-service scheduling for manufacturers in Southeast Asia, $326k MRR

Stage
Seed
Raising
$326k
Instrument
Convertible note
Committed so far
$817k from an existing fund
Lead investor
Looking for a lead
Traction
$326k MRR after 9 months
Use of funds
Product and compliance

$326k MRR after 9 months. Looking for investors who know AI infrastructure and can help with enterprise sales.

Auckland, New Zealandlogisticsproductopen source
Open

Experience

  1. Co-founder & CTO
    Mar 2024 - Present
    Hollow Robotics · 2 yr 7 mo · Full-time · Auckland, New Zealand
    • Took Hollow Robotics from zero to $7 million ARR.
    • Previously built and sold a small developer tooling company.
    • Raised $22 million across 3 rounds.
  2. Senior Product Manager
    Dec 2021 - Feb 2024
    ByteDance · 2 yr 2 mo · Full-time · Auckland, New Zealand
    • Killed 4 features nobody used and shipped the 2 that customers asked for.
    • Cut time-to-first-value for new logistics customers from 9 days to 1.
  3. Product Manager
    Mar 2018 - Sep 2021
    Coupang · 3 yr 6 mo · Full-time · Auckland, New Zealand
    • Killed 3 features nobody used and shipped the 3 that customers asked for.
    • Grew developer revenue from $8 million to $13 million ARR.
  4. Product Manager
    Aug 2015 - Feb 2018
    Lenovo · 2 yr 6 mo · Full-time · Auckland, New Zealand
    • Killed 3 features nobody used and shipped the 3 that customers asked for.
    • Took lending activation from 29% to 36% in three quarters.
  5. Principal Product Manager
    Aug 2012 - Aug 2015
    Rakuten · 3 yr · Full-time · Auckland, New Zealand
    • Sit on 3 boards.

Projects

Write-up: developer tooling in practice
2025

A long-form guide to developer tooling for people starting out.

Open-source product toolkit
2023

A small library for developer tooling that 166 developers star on GitHub.

References

No references yet.

Education

  1. Chulalongkorn University
    BEng, Engineering
    2002 - 2006

Details

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