cyrx.dev
Software Engineer / Fullstack / UI / AI / Systems
I build with C#/.NET and TypeScript—mostly automation, systems, and UI that stays clean under pressure. I write about what worked (and what didn’t) while shipping.
- C# / .NET
- Java
- JS / TS
- Rust
- UI / ImGui
- GitLab CI/CD
8+
Years building
20+
Automation flows
4
Platforms shipped
Lately: building a C# + Playwright form-filler for fun, and shipping small Rust tools. I’ve also built LLM/prompting workflows for real automation use-cases (e.g., form-filling and deterministic flows).
Highlights
Quick links if you’re skimming.
Latest writing
This is primarily my blog — the homepage just summarizes the work behind it.
Latest post
Prompt Injection: Social Engineering for AI Agents
Prompt injection usually shows up in ordinary places: a ticket, a doc snippet, a PR comment, or even tool output. The failure mode is simple: untrusted
Read →
Tech stack
Tools I’m comfortable shipping with (and do in practice).
Languages
- C#
- Java
- TypeScript
- JavaScript
- Rust
- SQL
Backend
- .NET
- Node.js
- Express
- REST
- Auth
Frontend
- React
- UI/UX
- Tailwind
Testing & automation
- Playwright
- Puppeteer
- Jest
- Mocha
- Deterministic flows
DevOps & cloud
- GitLab CI/CD
- Linux
- AWS Certification (in progress)
- Observability
Data
- MongoDB
- Indexing
- Data integrity
Experience timeline
A quick overview of where I’ve been recently. Click an entry to see more detail.
-
2024 — Present
Independent Engineer · Cyrx.dev
Building automation tooling, overlays, and internal tools. Open to SWE roles.
- Design and build Playwright-based form automation with template/profile-driven flows.
- Create C#/.NET overlay tooling (ImGui) for visualizing in-game systems and diagnostics.
- Ship small utilities and experiments, then write about the tradeoffs on this site.
- C#/.NET
- Playwright
- ImGui
- Automation
- UI
-
Nov — Dec 2025
Contractor · Rye (Devtools for eCommerce)
Rebuilt a deterministic checkout system; cut flow time from ~5 minutes to ~10 seconds.
- Reimplemented checkout as deterministic, idempotent flows with guardrails to remove “footguns.”
- Instrumented observability, surfaced public stats from their white pages, and authored engineering docs.
- Applied AI-assisted testing and triage to harden the flow; delivered production-ready code under NDA.
- Deterministic systems
- Idempotency
- Observability
- Docs
- AI
NDA in place; details reflect public-facing stats only.
-
2022 — 2024
Software Engineer · ByteLab
Reverse-engineered Unreal Engine titles to ship QoL mods downloaded by thousands.
- Built paid mod features and distribution UI with auth + payments for customers.
- Worked across C/C++/C#, .NET Core, ImGui, React/JS, REST, MongoDB, VMware, ReClass.
- Prototyped server-owner tooling to communicate and manage game server data.
- C/C++
- C#/.NET
- ImGui
- Reverse engineering
- Payments/Auth
-
2020 — 2024
Founder · FromScratchUSA
Bootstrapped a 3D-print products business from zero to 20+ Bambu Lab printers.
- Designed and printed custom products end-to-end: CAD, prototyping, production, and fulfillment.
- Scaled operations from a single printer to a 20+ printer farm with quality controls and SOPs.
- Built lightweight automation for order intake, batching, and maintenance scheduling.
- Developed Shopify plugins, tuned SEO, and scripted order maintenance across Etsy/Shopify/WooCommerce.
- Crossed $100K USD revenue in the first year; transitioned the business so I could refocus on full-time software roles.
- Ecommerce
- Shopify
- WooCommerce
- Etsy
- Automation scripts
-
2021 — 2022
Software Engineer · Epomaker
Built pledge-management tooling for a top keyboard/peripheral distributor.
- Started as Community Manager + Technical Customer Support, writing hardware docs and troubleshooting keyboards.
- Moved into Software Engineering quickly, owning internal tooling and data workflows.
- Created a Node.js app to manage thousands of crowdfunding pledges with fast search and versioning.
- Improved CS workflows with reliable indexing and order data access.
- Stack: JS/TS, Express, MongoDB, React/Angular, Jest/Mocha/Puppeteer, Sigma.js, Tailwind.
- Node.js
- MongoDB
- React
- Testing
- Data integrity
-
2023 — 2024
Multi-timer & stopwatch app
Mobile timer app with lap tracking, custom UI, and modular architecture.
- Implemented lap tracking, scrollable lists, and modular fragments / components.
- Focused on UX details: readable layouts, responsive controls, and clear state changes.
- Used the project to deepen Android / cross-platform UI skills.
- Android
- Java
- UI/UX
- State management
- Shipping
Education
Academic focus and coursework that shaped my engineering foundation.
B.S., Computer Science
Coursework tap to expand
- Algorithms
- Operating systems
- Distributed systems
- Networking
- Cybersecurity
- Databases (SQL)
- Computer graphics
- Image processing
- HCI
- IoT
- Azure
- Java
- C / C++
- C# (.NET)
- Python
- Android development
- UI design
B.Com., Information Systems (International Business)
Coursework tap to expand
- Project management
- Data warehouses
- Accounting fundamentals
- Financial analysis
- Commercial law
- Quantitative modeling
- Budgeting models
- Advanced statistics
- International business strategy