alex

Alexander Erden

Software Engineer / Architect

schedule
Systems Architect & Builder

Building production systems from bare-metal to cloud. Spanning AI pipelines, distributed infrastructure, embedded platforms, and OS internals

star
Engineering at Scale

Engineered EUV lithography control systems powering 5nm/3nm chip manufacturing and core platform systems at Microsoft, software underpinning hundreds of millions of devices and processors

people
Leadership & Impact

Extensive experience leading and scaling engineering teams across startups and enterprise, driving innovation, and delivering mission-critical software that powers the technologies of today and tomorrow

Experience

Independent Consulting
Independent

2025-2026

Software Engineer / Architect (Contract)

Delivering contract systems architecture and engineering for client engagements, including a security architecture review for a venture-backed software company

Built a multi-agent document generation pipeline using LLM agents as adversarial reviewers, with separation-of-duties so generating agents can't self-approve, and automated scoring of output

Designed an LLM-agent benchmark harness running multiple agents against real tasks in parallel, scored by a multi-LLM judging panel against a structured rubric, with reproducible HTML reporting

C# Python Javascript SQL .NET Azure Linux Docker Node.js React Electron HTML LLM ML/AI

Embedded
Stealth

2025

Systems Engineer / Architect (Contract)

Designed a custom distributed communication architecture with inter-node protocols and board-to-board interconnect for coordinated multi-subsystem operation

Built AI pipelines for communication optimization across the drone comms layer, tuning link and protocol behavior for coordinated multi-node operation

Designed agent pipelines for mission and communication planning, turning mission objectives into coordinated comms schedules across subsystems

C C++ Javascript ARM Cortex-M STM32 Embedded SQL React Electron TypeScript Azure Bare-metal/RTOS SPI UART I2C Ethernet/TCP-IP HTML LLM ML/AI

Client engagements: ArcBest, Microcenter, Omnicell, EUV Lithography, Capitol, BCN Financial, Trueblue
Catalyte

2017-2025

Consulting Software Engineer / Architect

* ArcBest - Supply Chain Systems / 2025

Built custom integrations with enterprise customer backends that automated data exchange and cut onboarding time by 40%

Built supply chain features with real-time analytics and predictive modeling to improve operational visibility and reduce manual errors

Developed AI agent pipelines to optimize delivery routing and streamline warehouse operations

* Micro Center - E-Commerce Payments / 2022

Designed and built a scalable, high-performance payment gateway integrated with the e-commerce infrastructure of a major retail platform, supporting transactional integrity and 99.9%+ uptime

Deployed a microservices-based architecture that optimized payment processing efficiency and reduced latency by 30%

* Omnicell - Medical Device Systems / 2021

Led the migration of a legacy codebase for automated medicine dispensing cabinets to a cloud-native architecture, splitting out services to ease deployment

Designed dispensing algorithms for real-time inventory and cabinet operations where precision was life-critical

Developed web services and event-driven message queues (Kafka) linking cabinets, pharmacies, and hospital information systems

* Semiconductor Manufacturing Client - EUV Lithography Control / 2018

Developed control software for EUV lithography systems used in advanced 5nm/3nm chip manufacturing by global foundries

Built core modules that translated chip layouts into precision commands for printing heads, enabling wafer patterning at extreme resolutions

* Capitol - Distribution & Event Logistics Platform / 2018

Designed and built an event planning and tracking platform for national product shipping and distribution, with a web services layer providing real-time shipment updates

* BCN Financial - Investment Management Platform / 2018

Modernized a legacy client-server investment management platform serving a nationwide client base, adding secure, highly available APIs for client and partner integrations

* Trueblue - HRMS Platform / 2017

Led development of a geolocation-based employee management and tax compliance system covering federal, state, and local rules across W-2 and 1099 classifications

C# Javascript .NET SQL HTML Node.js Web Services WinForms Kubernetes Vue Vite EDI DB2 ASP.NET Docker React TypeScript Azure AWS Angular Kafka Elasticsearch C C++ Python Linux LLM ML/AI

AR AI Research Software
ARCortex

2023-2024

Software Engineer / Architect (Contract)

Built an AR + AI research platform fusing real-time object detection, scene understanding, speech recognition/synthesis, and LLM-driven dialogue into a single multimodal pipeline running under hard real-time, hardware-constrained conditions

Cut end-to-end pipeline latency 40% to hit interactive AR frame budgets, optimizing inference and sensor-fusion across heterogeneous inputs

Led the AI research team turning experimental models into a deployable system, demonstrated in a university-aligned DARPA prototype

C# C++ Python .NET FastAPI Unity PyTorch OpenCV ROS Hololens MRTK Kubernetes HuggingFace GCP LLM ML/AI

Supply chain
Mygrant

2019-2021

Director of Engineering

Directed end-to-end modernization of the supply chain platform, migrating legacy systems to cloud-first, service-oriented architecture across dozens of U.S. warehouses

Accelerated cross-functional delivery of inventory visibility and logistics orchestration, boosting warehouse throughput and order accuracy across regional networks

Rebuilt inventory and order tools on modern cloud platforms, delivering scalable, maintainable back-end services and reduced operational toil

Built and launched mobile apps used by drivers and warehouse staff to improve on-site productivity and stock accuracy

Enabled pricing optimization across regional offices

Scaled engineering team through strategic recruitment and mentoring, delivering P&L impact and shaping the technical roadmap

C# Java Javascript .NET/Core SQL Kotlin Node.js HTML WebForms Web Services Salesforce Apex React TypeScript Azure AWS Swift Objective-C iOS EDI Kubernetes Docker Android Linux MacOS

Voting machines
Smartmatic

2019

Software Architect (Contract)

Architected hardware-backed authentication and attestation across voting-machine software to preserve end-to-end integrity between hardware and firmware

Directed the development of a trusted platform security layer to guarantee data confidentiality and integrity for stored election data

Implemented cryptographic key management and credential validation in live deployments, strengthening defense-in-depth and reducing exposure to unauthorized access

Hardened userland components and security infrastructure to minimize attack surface across field deployments

Led compliance efforts with federal election security standards and contributed to security reviews and certification, accelerating approval timelines

Enabled secure device identity interfaces

C++ Python Linux Smartcard Embedded OpenSSL TPM

AR Presentation software
ARCortex

2018-2019

Software Architect (Contract)

Reduced AR presentation setup time for creators

Architected a modular AR rendering and interaction framework to support editing and playback across real-world spaces

Integrated spatial tracking and real-world anchoring for immersive content placement

Enabled gesture-driven placement and arrangement of 3D content with natural interactions

Delivered cloud-based speech recognition for hands-free flow and dynamic content triggering

Focused on usability and responsiveness across editing and playback modes to ensure a smooth user experience

C# .NET MagicLeap Unity 3D AR

Remote Desktop
Aquaconnect

2015-2017

Lead Developer / Architect

Architected scalable cross-platform remote desktop protocol delivering low-latency display input forwarding and session control across Windows macOS iOS Android Linux

Built enterprise-grade network server architecture enabling efficient data transmission and scalable deployments from SMB to Fortune 100 clients

Led cross-platform platform development spanning desktop and mobile with end-to-end architecture and streaming capabilities

Directed OS-level integration across platforms including driver integration graphics capture and input handling

Delivered on-time releases across platforms

C++ Win32 Qt Drivers Java Objective-C MacOS iOS Android Linux Windows

Social Network
Who

2014

CTO (Contract)

Architected and launched a mobile location centric social network with real-time discovery and proximity-based updates across platforms

Steered product through two funding rounds

Established scalable cloud infrastructure with automated deployment, accelerating releases and improving operational efficiency

Led cross-functional design-to-engineering teams to deliver a cohesive, high-quality user experience

Enabled robust front-end to back-end integration, delivering a scalable and maintainable product

Javascript Angular Ionic Cordova/PG Node.js Objective-C Java iOS Android HTML CSS AWS Docker

Android Emulator
Openmobile

2014

Senior Software Developer (Contract)

Architected core Android subsystems to map directly to Windows integration points within a custom emulator framework enabling near-native app execution on Windows

Replaced UI stack, networking, and audio subsystems with native implementations to boost performance and cross-platform compatibility

Led system-level development of a hybrid runtime that bridges Android runtime behavior with Windows integration points for seamless desktop app experience

Delivered architectural groundwork reused across multiple emulator deployments, accelerating feature delivery and ensuring consistent performance

Enabled Android apps to run with native-like integration on Windows, delivering improved user experience and developer onboarding

C++ Win32 Java Android Linux Windows Drivers

Web browser plugins
Browsium

2014

Senior Software Developer (Contract)

Accelerated cross-browser compatibility platform enabling legacy enterprise web applications to run in modern environments without altering original code, expanding user reach and reducing manual maintenance

Reduced onboarding time for legacy-app integrations

Designed runtime modules that intercept and adapt browser behavior to preserve workflows across aging stacks without requiring changes to existing applications

Led testing and profiling to verify performance reliability and security characteristics of compatibility components

Mentored junior developers, elevating code quality and guiding architecture reviews for maintainability

C++ C# .NET Win32 Javascript COM Windows

Cross-platform shell
Lumier

2011-2014

CTO

Led architecture and delivery of a cross-platform shell across Windows macOS Linux

Designed a high-performance UI framework with native-feel rendering and smooth navigation

Led a 10-engineer team, aligning hiring with milestones

Optimized SCRUM-driven schedule and budget, improving delivery predictability and throughput

Directed outsourcing and R&D staffing to hit critical deadlines

Unified multi-platform user experience with native integration and reliable performance across platforms

C++ C# .NET Win32 Drivers WPF XAML COM DirectX WCF Web Services MSI WIX AWS Windows MacOS Linux

Retail cloud client
CustomerLobby

2013

Software Architect (Contract)

Architected a multi-tier hybrid cloud data integration platform connecting on-premise sources to centralized processing and outreach

Delivered a robust data transformation and exchange pipeline enabling seamless movement to downstream CRM workflows

Led the development of a scalable API layer enabling RESTful data transfer between local systems and the cloud

Implemented comprehensive error handling, logging, and monitoring to improve reliability and data visibility

Enabled frictionless deployment with an installer stack supporting diverse customer configurations across sites

Collaborated with executives to translate business objectives into architectural roadmap and prioritize delivery

C# .NET SQL WPF WCF ASP.NET HTML Javascript MSI WIX Web Services REST/SOAP Win32 Windows

Mobile Touch apps for MS Office
hopTo

2013

Lead Developer (Contract)

Architected cross-device remote desktop framework enabling mobile editing of Office documents while preserving PC-based editing fidelity

Directed cloud hosting for Office applications with scalable, highly available, secure access across distributed clients

Led a cross-functional team across mobile, server, and desktop layers to deliver end-to-end functionality on schedule

Delivered mobile clients with optimized latency and high-fidelity document rendering across platforms

Drove architectural decisions for unified session control, document access, and rendering across devices

Achieved measurable user impact by reducing inter-device synchronization latency and improving editing experience

C++ C# .NET Java Objective-C iOS Android AWS DirectX

13 product teams
Microsoft

1996-2008

Software Design Engineer

Windows 7 Wi-Fi: built core pieces of the wireless connection state machine and user interface shipped to hundreds of millions of devices

Flight Simulator: built the real-time weather engine and a Garmin GPS emulator integrated into the simulation pipeline

Additional teams: Windows Vista Security and Shell, Windows Defender, Windows 2000 Alpha, DirectX, Windows Phone, MSN, Operations Manager, Works, SMS Server, Visual SourceSafe

C++ Win32 XML C# MFC ATL/WTL COM .NET ASP.NET HTML MSI WIX ADO.NET VB SQL OLAP Javascript x86_Assembly DirectX

Skills

General
Skill
Lead Development
Project Management
AWS
Azure
GCP
Architecture
Back-End
DevOps
Full-Stack
Web Services
Cloud
Front-End
UI/UX
CI/CD
Windows
Linux
MacOS
Android
iOS
3D
LLM
ML/AI
Languages
Skill
C#
C/C++
Java
Javascript
SQL
VB
XML
HLSL
Python
TypeScript
x86_Assembly
Apex
Kotlin
Objective-C
Swift
HTML/CSS
Frameworks
Skill
.NET/Core
ASP.NET/MVC
Boost
WPF
XAML
Angular
DirectX
EntityF
FreeRTOS
NHibernate
OpenGL
SignalR
UWP
ARCore
ARKit
CUDA
Cordova/PG
DB2
Dapper
Electron
FastAPI
HuggingFace
Ionic
LangChain
LlamaIndex
OpenSSL
OpenXR
PostgreSQL
Qt
React
Vue
Vulkan
Xamarin
MRTK
OpenCV
PyTorch
TensorFlow
ADO.NET
ATL/WTL
COM
MFC
WCF
WebForms
WinForms
OLAP
Win32
Other
Skill
REST/SOAP
CMake
Drivers
EDI
ETW
Hololens
Ollama
WebSockets
WinDbg
AR
Docker
Kubernetes
MagicLeap
Node.js
PKI
Protobuf
Redis
Salesforce
Unity
VR
Vite
gRPC
llama.cpp
Elasticsearch
Kafka
ROS
RabbitMQ
Terraform
MSI
WIX
Matlab
GraphQL

Contact

contact_mail