Available for Opportunities

armando fernandez

Senior .NET Software Engineer with 7+ years building enterprise solutions

Focused on agentic AI development using Semantic Kernel, RAG workflows, and MCP integrations. 7+ years in healthcare and public-sector engineering—leading teams, modernizing legacy systems, and delivering scalable enterprise platforms.

Blazor .NET Azure C# SQL Server MongoDB Node.js Semantic Kernel AI Agents REST APIs
Recent Posts
Mando
Armando Fernandez 2 days ago

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Experience

Building enterprise solutions since 2015

Irvine Unified School District

Application Developer Level 3
Jul 2022 - Present

Led modernization of multiple legacy systems using .NET Blazor, delivering district-wide platforms.

  • Architected StipendPro, enabling HR to process ~$10M in annual stipends
  • Designed JPA, a statewide EdTech vendor contract and RFP tracking system for California districts
  • Created Fermi, the district's first Blazor app for student appraisal and placement
  • Built secure auth via Active Directory and Google OAuth2; implemented CI/CD for on-prem IIS
  • Mentored Level 1 and Level 2 engineers on C#, .NET, system design, and SQL

Medable, Inc

Senior Backend Engineer
Mar 2020 - May 2022

Joined during hyper-growth (400% YoY, $91M Series C) building high-scale clinical trial platforms.

  • Led and mentored 3 engineers, driving backend architecture with NodeJS and MongoDB
  • Built OAuth2 auth pipelines and Withings Sleep Mat integration for clinical trials
  • Developed real-time sleep data ingestion and custom reporting for trial analysts
  • Partnered with iOS, Android, and PM teams to scope features and deliver across distributed teams

ERI

.NET Software Developer
Mar 2019 - Mar 2020

Engineered automation solutions for enterprise e-waste recycling workflows.

  • Built automated shipping label platform using Azure Logic Apps, Functions, and UPS APIs
  • Supported TrackTech, a legacy e-waste system maintained by 30+ engineers
  • Debugged and refactored mixed Visual Basic/C# codebase in large MVVM architecture
  • Optimized workflows and modernized key components, saving hundreds of hours

Ember Education - SJVC

.NET Integrations Specialist
Jul 2017 - Mar 2019

Built modern ASP.NET Core 3 MVC student portal to replace a 2010 SharePoint system.

  • Delivered unified SSO experience integrating Canvas API for course data access
  • Implemented SAML 2.0 integrations across Okta, Canvas, Clover, and Pearson
  • Developed secure internal/external communication APIs
  • Automated workflows using Azure Functions and Logic Apps for school operations

Polaris Ecommerce

.NET WinForms Developer
Mar 2015 - Jul 2017

Developed desktop applications for eCommerce analytics and inventory management.

  • Built WinForms apps leveraging Amazon MWS API for sales forecasting
  • Automated sales report downloads for data-driven purchasing decisions
  • Designed custom data grids for inventory management and trend analysis

Projects

Key projects that made an impact

Irvine Unified School District

StipendPro

Essential HR tool that streamlined stipend processing for overtime across the district. Replaced manual spreadsheet processes with automated workflows.

Impact: Processed ~$10 million in stipends within the first year
Blazor .NET 8 SQL Server Azure
Ed Tech JPA - California

JPA

Statewide vendor contract management system for school districts across California. Enables tracking RFP proposals and automates contract agreements.

Impact: Replaced manual spreadsheet-based process with centralized platform
Blazor .NET SQL Server Azure DevOps
Irvine Unified School District

Fermi

First .NET Blazor application presented to the district. Modernized student appraisal and placement processes.

Impact: Saved teachers and principals hundreds of hours
Blazor Server .NET 6 SQL Server
Medable, Inc

Withings Integration

Clinical trial integration for Withings Sleep Tracking Mat. Built OAuth2 authentication and real-time data pipeline.

Impact: Became SME, educating both internal teams and device company
Node.js MongoDB OAuth2 REST APIs
ERI

ShipAuto

Automated shipping label generation for enterprise laptop recycling programs. Processes spreadsheets and generates labels automatically.

Impact: Saved customer service reps hundreds of hours
Azure Functions Logic Apps Blob Storage
San Joaquin Valley College

Student Portal

Custom student web portal replacing legacy SharePoint system. Central hub with SSO via Azure SAML 2.0.

Impact: Modern UX, O365 credentials for all third-party access
ASP.NET Core Azure AD SAML 2.0
GitHub

Temucowork

Cyberpunk-themed AI file management assistant built with Blazor & Semantic Kernel. Chat with a local LLM to read, write, and manage files using natural language.

Updated 8 hour(s) ago
HTMLai-agentblazorchat-interface
View on GitHub
GitHub

Mandocode

A local AI coding agent powered by Ollama + Semantic Kernel. Refactors code, proposes diffs, and updates your project safely — no cloud, no tokens.

Updated 4 day(s) ago
C#ai-agentsblazorcli-agents
View on GitHub
GitHub

Loramint

AI - Image Generation LoRA training. Train it once. Style it forever. Prompt, mint, and create with your own visual signature.

Updated 5 day(s) ago
HTMLaiimage-generationllm-training
View on GitHub
GitHub

Starship

A Star Wars API Coding Exercise

Updated 6 month(s) ago
HTML
View on GitHub
Banana.exe gameplay
itch.io

Banana.exe

A 2D platformer where players light up platforms by landing on them. Features banana collection mechanics, increasing difficulty, and tight responsive controls.

Built with Unity · Developed live on Twitch
Unity C# 2D Platformer
View on itch.io
TetrisJS gameplay
GitHub

TetrisJS

A classic Tetris implementation built with vanilla JavaScript. Features standard mechanics including piece rotation, line clearing, and progressive difficulty.

Built to learn game development with JavaScript
JavaScript HTML5 CSS
View on GitHub

Recommendations

What colleagues say about working with me

"Mando is one of the most collaborative, patient and helpful developers I've worked with. He tackled projects with enthusiasm and quickly became the subject matter expert. He never sacrificed quality and raised the bar for everyone on the team."

ST
Sam Thomas
Product Management

"Mando was a key contributor to making our team successful and creative. His strong sense of ownership paired with curiosity meant he frequently took on the most challenging projects with a positive attitude."

SY
Stephanie Yochum
Product Manager

"Mando is one of the most collaborative, patient and helpful developers I've worked with. He tackled projects with enthusiasm and quickly became the subject matter expert. He never sacrificed quality and raised the bar for everyone on the team."

ST
Sam Thomas
Product Management

"Mando was a key contributor to making our team successful and creative. His strong sense of ownership paired with curiosity meant he frequently took on the most challenging projects with a positive attitude."

SY
Stephanie Yochum
Product Manager

"His expertise, dedication, and willingness to share knowledge have had a profound impact on my growth as a developer. Mando is more than just a talented developer; he is a true leader who invests in the growth of others."

CF
Casey Franceschy
Software Developer

"Working with Mando was one of the highlights of my experience at Medable. He's brilliant with ideas for tackling problems, and just plain fun to talk to. His depth of technical knowledge made him invaluable as a teammate."

EA
Emily Renee Ackerman
Full Stack Engineer

"His expertise, dedication, and willingness to share knowledge have had a profound impact on my growth as a developer. Mando is more than just a talented developer; he is a true leader who invests in the growth of others."

CF
Casey Franceschy
Software Developer

"Working with Mando was one of the highlights of my experience at Medable. He's brilliant with ideas for tackling problems, and just plain fun to talk to. His depth of technical knowledge made him invaluable as a teammate."

EA
Emily Renee Ackerman
Full Stack Engineer

"Mando was my mentor at IUSD. He's responsible for most of what I know regarding app development in C#/.NET. I can testify to his patience, ability to teach, and his personable demeanor."

AM
Alfred Meng
Software Developer

"Mando is a very driven individual who doesn't shy away from reaching new heights. What I appreciate most is that he made working fun. I was just entering the workforce and he was a huge help in teaching me the ropes."

ER
Elvin Rivera
Platform Engineer

"Mando was my mentor at IUSD. He's responsible for most of what I know regarding app development in C#/.NET. I can testify to his patience, ability to teach, and his personable demeanor."

AM
Alfred Meng
Software Developer

"Mando is a very driven individual who doesn't shy away from reaching new heights. What I appreciate most is that he made working fun. I was just entering the workforce and he was a huge help in teaching me the ropes."

ER
Elvin Rivera
Platform Engineer

Get In Touch

Let's build something together

Let's Connect

I'm currently open to new opportunities as a Software Engineer, .NET Developer, Azure Developer, or .NET Engineer. If you're looking for someone who can lead teams, modernize systems, and deliver scalable solutions, let's talk.

in linkedin.com/in/developer-mando @ codefilez@gmail.com GH github.com/devmando

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