CrisisCore-Systems

Protective computing engineer at CrisisCore-Systems. I build privacy-first, offline-capable software for people under pain, stress, instability, and real-world pressure.

Kelowna, BC Joined on Nov 27, 2025 crisiscore.systems@proton.me https://crisiscore-systems.ca

Education

Self-taught engineer shaped by production failures, open source, and real-world instability.

Pronouns

he/him

Work

Founder & protective computing engineer at CrisisCore-Systems

Pinned

CrisisCore-Systems

Dec 14 '25

Start Here: PainTracker and the CrisisCore Build Log

#privacy #security #pwa #architecture

3 min read

CrisisCore-Systems

Apr 28

Coercion-Resistant UX: Designing Interfaces That Don't Pressure Users Under Stress

#design #mentalhealth #ui #ux

6 min read

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CrisisCore-Systems

Apr 21

Sync Conflict Handling in Offline-First PWAs: How to Merge Without Lying to the User

#architecture #distributedsystems #ux #webdev

7 min read

CrisisCore-Systems

Apr 17

OpenClaw and the Boundary Problem

#ai #devchallenge #opensource #privacy

4 min read

Cover image for The Stability Assumption: The Hidden Defect Source

CrisisCore-Systems

Apr 7

The Stability Assumption: The Hidden Defect Source

#architecture #design #softwareengineering #ux

6 min read

Cover image for I Ran the Protective Legitimacy Score on MyFitnessPal. It Failed.

CrisisCore-Systems

Apr 4

I Ran the Protective Legitimacy Score on MyFitnessPal. It Failed.

#privacy #security #webdev #ethics

4 min read

Cover image for Why Sovereignty Is Not Enough: The Missing Operational Layer in AI Stewardship

CrisisCore-Systems

Mar 25

Why Sovereignty Is Not Enough: The Missing Operational Layer in AI Stewardship

#ai #architecture #privacy #softwareengineering

6 min read

CrisisCore-Systems

Mar 24

Protective Computing Is Not Privacy Theater

#discuss #architecture #privacy #systemdesign

7 min read

Cover image for Who Was the Software Built to Survive?

WeCoded 2026: Echoes of Experience 💜

CrisisCore-Systems

Mar 15

Who Was the Software Built to Survive?

#devchallenge #wecoded #dei #career

6 min read

Cover image for ProofVault as a Release Artifact: Turning Trust Into Something You Can Verify

CrisisCore-Systems

Mar 14

ProofVault as a Release Artifact: Turning Trust Into Something You Can Verify

#showdev #architecture #security #privacy

8 min read

CrisisCore-Systems

Mar 8

The Micro-Coercion of Speed: Why Friction Is an Engineering Prerequisite

#ai #softwareengineering #architecture #devops

5 min read

CrisisCore-Systems

Mar 6

Architecting for Vulnerability: Introducing Protective Computing Core v1.0

#architecture #privacy #offlinefirst #engineering

7 min read

CrisisCore-Systems

Mar 5

Preview Mode First: Agent Plans as PRs (Plan Diff + Invariants)

#ai #security #devops #privacy

3 min read

CrisisCore-Systems

Mar 3

How Pain Tracker Pro Streamlines WorkSafeBC Claims: A Composite Case Study

#privacy #security #documentation

1 min read

CrisisCore-Systems

Feb 26

Maintaining truthful docs over time: how to keep security claims honest

#documentation #security #softwareengineering #writing

4 min read

CrisisCore-Systems

Feb 26

Field Guide v0.1 What is inside and where to start

#architecture #security #documentation

2 min read

CrisisCore-Systems

Feb 24

Quality gates that earn trust: checks you can run, not promises you can’t

#cicd #codequality #softwaredevelopment #testing

4 min read

Cover image for Protective Computing Core v1.0 Design Scope and Practical Use

CrisisCore-Systems

Feb 24

Protective Computing Core v1.0 Design Scope and Practical Use

#architecture #security #privacy #protectivecomputing

4 min read

CrisisCore-Systems

Feb 19

Analytics without surveillance: explicit consent, layered gates, and never sending Class A data

#privacy #analytics #security #consent

4 min read

CrisisCore-Systems

Feb 19

Protective Computing Canon v1.0 is now DOI-backed

#privacy #a11y #security #opensource

3 min read

CrisisCore-Systems

Feb 17

WorkSafeBC-oriented workflows without overclaims: structured summaries, careful language

#documentation #privacy #security #worksafebc

4 min read

CrisisCore-Systems

Feb 13

Pain Tracker whitepaper v1.3.0 (PDF)

#privacy #architecture #security #whitepaper

1 min read

Cover image for Privacy-First Pain Tracking as a New Digital Health Standard

CrisisCore-Systems

Feb 13

Privacy-First Pain Tracking as a New Digital Health Standard

#healthtech #privacy #opensource #pwa

11 min read

CrisisCore-Systems

Feb 12

Exports are a security boundary: the moment local-first becomes shareable

#security #privacy #architecture #exports

4 min read

CrisisCore-Systems

Feb 10

Trauma-informed UX + accessibility as architecture (not polish)

#a11y #architecture #mentalhealth #ux

4 min read

CrisisCore-Systems

Feb 5

Zod + defensive parsing in a local-first app: make your offline data trustworthy

#architecture #codequality #typescript #webdev

4 min read

CrisisCore-Systems

Feb 3

Service workers that don't surprise you: deterministic caching for offline-first PWAs

#pwa #architecture #javascript #caching

6 min read

CrisisCore-Systems

Jan 29

Three storage layers in an offline-first health PWA: state cache vs IndexedDB vs encrypted vault

#architecture #privacy #database #offlinefirst

8 min read

CrisisCore-Systems

Jan 27

Offline-first without a backend: building a local-first PWA you can actually trust

#architecture #javascript #tutorial #webdev

6 min read

CrisisCore-Systems

Jan 15

Internationalizing Trauma-Informed UX: Testing Across Cultures

#testing #a11y #healthcare #react

11 min read

CrisisCore-Systems

Jan 13

Cross-Crisis Calibration: Panic, Dissociation, Sensory Overload

#testing #a11y #healthcare #react

14 min read

CrisisCore-Systems

Jan 8

Testing Recovery: Proving Your App Helps People Stabilize

#testing #a11y #healthcare #react

10 min read

CrisisCore-Systems

Jan 7

Test Your Tests: Does Your Crisis Simulation Match Reality?

#testing #a11y #healthcare #react

10 min read

CrisisCore-Systems

Dec 30 '25

When Crises Stack: Testing Co-Occurrence Without Cascading Failures

#testing #a11y #healthcare #react

10 min read

Cover image for Launched: Pain Tracker v1.0.0 (Open Source, Local-First, Trauma-Informed)

CrisisCore-Systems

Dec 25 '25

Launched: Pain Tracker v1.0.0 (Open Source, Local-First, Trauma-Informed)

#showdev #opensource #react #privacy

3 min read

CrisisCore-Systems

Dec 23 '25

Testing Across the Stack: UI Storage Encryption Offline Resilience

#testing #a11y #healthcare #react

11 min read

CrisisCore-Systems

Dec 18 '25

Performance Under Pressure: Crisis Detection Without UI Lag

#testing #a11y #healthcare #react

10 min read

CrisisCore-Systems

Dec 16 '25

Privacy-Preserving Analytics: Proving You Can Measure Without Identity

#testing #a11y #healthcare #react

11 min read

Cover image for Visual Regression for Adaptive Interfaces: Testing That Crisis Mode Actually Looks Different

CrisisCore-Systems

Dec 13 '25

Visual Regression for Adaptive Interfaces: Testing That Crisis Mode Actually Looks Different

#testing #a11y #healthcare #react

10 min read

Cover image for The Ethics of Simulation: How to Test Trauma-Informed Features Without Exploiting Real Pain

CrisisCore-Systems

Dec 12 '25

The Ethics of Simulation: How to Test Trauma-Informed Features Without Exploiting Real Pain

#testing #a11y #healthcare #react

10 min read

Cover image for How to Test “User Is in Crisis” Without Treating Humans Like Mock Objects

CrisisCore-Systems

Dec 10 '25

How to Test “User Is in Crisis” Without Treating Humans Like Mock Objects

#testing #a11y #react

5 min read

Cover image for The False Positive Problem: Calibrating Crisis Detection Without Becoming The Boy Who Cried Wolf

CrisisCore-Systems

Dec 9 '25

The False Positive Problem: Calibrating Crisis Detection Without Becoming The Boy Who Cried Wolf

#testing #a11y #healthcare #react

7 min read

Cover image for Two People, Same Body: A Developer's Crisis Architecture

CrisisCore-Systems

Dec 8 '25

Two People, Same Body: A Developer's Crisis Architecture

#mentalhealth #opensource #webdev #react

4 min read

Cover image for Keeping Your Health Data Out of Court

CrisisCore-Systems

Dec 8 '25

Keeping Your Health Data Out of Court

#encryption #security #typescript #privacy

5 min read

CrisisCore-Systems

Dec 7 '25

If Your Health App Can't Explain Its Encryption, It Doesn't Have Any

#security #privacy #healthtech #webdev

7 min read

CrisisCore-Systems

Dec 7 '25

Trauma-Informed React Hooks

#react #a11y #typescript #ux

5 min read

Cover image for No Backend, No Excuses: Building a Pain Tracker That Doesn't Sell You Out

CrisisCore-Systems

Dec 7 '25

No Backend, No Excuses: Building a Pain Tracker That Doesn't Sell You Out

#react #typescript #healthtech #privacy

5 min read

CrisisCore-Systems

Dec 7 '25

Client-Side Encryption for Healthcare Apps

#react #typescript #privacy #healthtech

6 min read

Cover image for Building a Pain Tracker That Actually Gets It — No Market Research Required

CrisisCore-Systems

Nov 30 '25

Building a Pain Tracker That Actually Gets It — No Market Research Required

#webdev #pwa #ux #privacy

4 min read

Cover image for Trauma-informed design left everyone asking: "How does it actually know I'm struggling without spying?"

CrisisCore-Systems

Nov 29 '25

Trauma-informed design left everyone asking: "How does it actually know I'm struggling without spying?"

#privacy #mentalhealth #opensource #webdev

8 min read

Cover image for Building Software That Actually Gives a Damn: My Journey with Trauma-Informed Design

CrisisCore-Systems

Nov 28 '25

Building Software That Actually Gives a Damn: My Journey with Trauma-Informed Design

#healthtech #ux #react #a11y

6 min read

Cover image for Building a Healthcare PWA That Actually Works When It Matters

CrisisCore-Systems

Nov 27 '25

Building a Healthcare PWA That Actually Works When It Matters

#pwa #webdev #javascript #healthcare

9 min read

2026 WeCoded Completion

4 Week Community Wellness Streak

2 Week Community Wellness Streak

1 Week Community Wellness Streak

Writing Debut

CrisisCore Systems

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