JP

(he/him)

@byjp.me

I help scale-up CTOs with hard-won cheat codes for calm during growth

Principal at Inflection Engineering

LondonEnglandUnited Kingdom🇬🇧

github.com/jphastings

Open to: Contract rolesMentoring othersBoard positionsPart-time rolesCollaborations
Preferred workplace: Remote (same country)Remote (worldwide)Remote (same region)HybridOn-site

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Highlights

PublicationsRecent
Disassembling the Kodak Charmera
byJP
Aug 2026

CareerCurrent
Principal
Inflection Engineering
Since Jan 2025
EducationRecent
MSci
University of Nottingham
Sep 2006 – Jun 2010

Activity

Active on:Bluesky networkGitHubTangledMarquerpg.actor

Posted: Hey @marque.at, is there any way to create an API key that can only write a specific DNS record? (I'm trying to automate the generation of …Bluesky network1d ago

Posted: Is anyone looking at open source firmware for TVs? Super complex systems, but I can’t think of many better places to apply LLM superpowersBluesky network1d ago

Shared: I’m absolutely loving the feel of this album! Such an excellent mood journey, and so interestingly differentapp.tempomusic2d ago

Shared: byJPapp.bsky2d ago

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I make things! Deliveroo’s ex-Principal Engineer, atproto builder, and newly promoted to Father of a Daughter 😍 (wish me luck!)

Career: 9

Inflection Engineering

Self-employed · Hybrid

Jan 2025 - Present

My consultancy duo, bringing decades of rapid tech scale-up tech & org knowledge to early-life CTOs who’ve become the victim of their own success, and need time more than anything else.

Iotatechnology.com

Contract

Jun 2025 - Present

Designing & building ground-side software systems for Io-1: global magnetic field measurement satellite system.

https://data.iotatechnology.com/

Yomly

Contract · Remote

Jan 2025 - Apr 2026

Growing the engineering team 2x, building automated and human processes to bring ~50 microservice ecosystem up to a highly observable and maintainable standard, supporting my newly hired Director, Senior Engineering manager & Staff engineers during ramp-up, cost saving & system simplification.

Deliveroo

Full-time · London, England, GB · Hybrid

Mar 2022 - Apr 2024

Supporting Deliveroo's IPO (technical, security, platform), multiple funding rounds, technical interviewing & levels/expectation frameworks, long-term engineering culture, and mentor to senior staff engineers. Engineering projects included distributed feature flagging & experimentation systems, architectural resilience (blast radius reduction across ~150 microservices)…

Senior Staff Engineer

Deliveroo

Jul 2017 - Mar 2022

Staff Software Engineer

Deliveroo

Jul 2017 - Jul 2020

Senior Software Engineer

Deliveroo

May 2015 - Jul 2017

Blinkbox Books

Full-time · London, England, GB · On-site

Dec 2012 - Mar 2015

Built & maintained book ingestion systems, daily imports of ~2 million books and metadata from 20+ publishing houses at various stages of supporting digital books, including ePub transformation.

RubyONIXScalaTeam LeadershipDigital Publishing

Tesco

Full-time · On-site

Aug 2010 - Dec 2012

Project ManagementManagementLeadership