📃Portfolio & Projects - Senior Systems Engineer | Healthcare APIs | HL7, FHIR, EDI | AI-Enabled | Azure, .NET, Python

24+ Years of Building Things
That Actually Work

From enterprise .NET systems to crypto intelligence platforms — every project here represents a real problem solved, a system shipped, or a skill leveled up.

24+Years Experience
50+Projects Shipped
5Active Builds
Problems Left to Solve

Featured Projects

Currently in development or recently shipped. These are the things keeping me up at night — in the best way.

GitHub Stats & Activity

24+ years of commits, patterns, and projects — the numbers don't lie.

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Anthony Tristan's GitHub Stats
Anthony Tristan's Top Languages
Anthony Tristan's GitHub Streak Stats
Anthony Tristan's GitHub Activity Graph
🏅 Achievement Trophies
Anthony Tristan's GitHub Trophies

✓ Stats pulled live from GitHub API  ·  Cached hourly  ·  View profile on GitHub ↗

GitHub Repositories

Public code, open-source contributions, and work-in-progress experiments.

🐙
GitHub Integration
github.com/atristan — Real-time repo sync
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📁CryptoQT™
Crypto intelligence platform — scam detection, contract analysis, DEX arbitrage engine, and strategy builder.
Python★ Watching
📁anthonytristan.info
Personal brand website — custom HTML/CSS/JS dark-theme design system.
HTML/CSS★ —
📁obsidian-plugin
Custom Obsidian plugin — planned for post-site development phase.
TypeScriptComing Soon
📁dotnet-utilities
Reusable .NET utility libraries and patterns developed over 24+ years of enterprise engineering.
C#Planned
📁ai-experiments
AI/ML experiments, data engineering scripts, and model prototypes.
PythonPlanned
📁texas-digital-services
Texas Digital Services — client and internal tooling repository.
C# / PythonPrivate

Work History Highlights

24+ years of enterprise engineering — from government systems to fintech to cloud infrastructure.

📄 Download Full Resume
24+Years in Software
.NETPrimary Stack (C# / VB)
SA, TXBased In
Remote Ready
OpenContract / Freelance
2022 — Present

Founder & Principal Engineer

Texas Digital Services · San Antonio, TX

Founded and operate a technology services company delivering custom software engineering, AI/data engineering, and digital consulting to clients across Texas and beyond. Currently pursuing OVHcloud Startup Program partnership and building CryptoQT™ under this entity.

FounderFull-Stack .NET / C#Python AI/DataCloudConsulting
2010 — 2022 · Contract Engagements

Senior Software Engineer — Enterprise Contracts

Various Enterprise Clients · San Antonio & Remote

Delivered senior-level .NET engineering across multiple long-term contract engagements spanning finance, government, telecom, and healthcare sectors. Specialized in large-scale system migrations, API development, data engineering, and enterprise application architecture.

Senior .NETC# / VB.NET SQL ServerASP.NET WPF / WinFormsREST APIs Data MigrationEntity Framework
2004 — 2010 · Software Engineering

Software Engineer — Enterprise Applications

Enterprise Sector · San Antonio, TX

Progressed from junior to mid-senior .NET developer building enterprise web applications, thick-client applications, and back-end services. Heavy focus on database development (SQL Server), stored procedures, data transformations, and service-oriented architecture patterns.

C# / .NETVB.NET SQL ServerASP.NET WebForms COM+ / DCOMSOA
2000 — 2004 · The Origin Story

Network Administrator → Transitioned to Software Engineering

San Antonio, TX · Origin Story

Career began with pre-medical studies before pivoting to networking and IT infrastructure. Built a strong foundation in computer systems, TCP/IP networking, hardware, and systems administration before discovering the real passion: writing software.

NetworkingTCP/IP Systems AdminVB.NET (First Code) San Antonio, TX
2024 — Now · Parallel Tracks

Entrepreneur · Engineer · Perpetual Student

Multiple Tracks Running Simultaneously

Currently operating on three parallel tracks: finishing CryptoQT™ MVP, building out AnthonyTristan.info as a full content + monetization platform, and completing electrician training. Because why focus on one thing when you can level up across all dimensions? ⚡

CryptoQT™ MVPAnthonyTristan.info Electrician TrainingAI/ML Experiments SEO & Content

Tech Stack

Languages, frameworks, platforms, and tools across 24+ years of engineering.

💛 Primary Languages
C#.NET / .NET Core PythonVB.NET C++Java JavaScriptHTML5 / CSS3
🗄 Data & Databases
SQL ServerT-SQL Stored ProceduresETL Pipelines Entity FrameworkLINQ MySQLPandasNumPy
🌐 Web & APIs
ASP.NET MVCWeb API / REST ASP.NET WebFormsWPF / WinForms JSON / XMLOAuth / JWT Swagger / OpenAPI
🤖 AI / Crypto / Data
Python MLscikit-learn Web3.pySolidity Analysis DEX APIsOn-chain Data Data EngineeringAI Engineering
☁ Cloud & DevOps
OVHcloudHostinger Git / GitHubIIS Linux CLIWindows Server CI/CD Pipelines
🏗 Architecture & Patterns
Enterprise Architecture MVC / MVVMSOLID Principles DDDCQRS / MediatR MicroservicesDependency Injection

Planned Projects

Ideas in the queue — the backlog that keeps growing faster than I can ship.

🔌
Planned

Obsidian Plugin

A custom TypeScript plugin for Obsidian that enhances personal knowledge management workflows — inspired by daily use for project tracking and note-taking.

TypeScriptObsidian APINode.js
📊
Planned

CryptoQT™ SaaS Platform

Evolving CryptoQT™ from a local tool into a hosted SaaS platform with user accounts, subscription tiers, and a shareable strategy marketplace.

PythonDjango Web3Stripe
🎨
Planned

Custom WordPress Theme

Bundle the AnthonyTristan.info design system into a sellable WordPress theme, then list on ThemeForest and Creative Market as a passive income asset.

HTML/CSS/JSPHPWordPress API
In Training

Electrician Certification

Currently working toward licensed electrician certification — a strategic move to add a hands-on, high-income physical skill to the toolkit alongside digital work.

Electrical SystemsCode Compliance Licensing In Progress
🤖
Exploring

.NET AI Utilities Library

Open-source C# library of reusable AI/ML utilities, data processing helpers, and API wrappers built from years of enterprise patterns and the shift to AI engineering.

C# / .NETNuGet PackageML.NET
📝
Building

SEO Content Engine

A systematic content production workflow for AnthonyTristan.info — targeting 100+ evergreen SEO articles across software engineering, entrepreneurship, crypto, and side hustles.

SEO StrategyContent Clusters Affiliate Monetization

Have a Project in Mind?

I take on select contracts and collaborations. If you've got a problem that needs a serious engineer, let's talk about what we can build together.