Available for new opportunities
Alexander Pacheco

Alexander Pacheco

Software Engineer @ Microsoft

Software engineer specializing in backend systems, cloud infrastructure, and low-latency C++ applications. Experienced in Azure platform validation, high-throughput orchestration tooling, and scalable backend services.

Featured Projects

View all projects →

Low Latency Audio Pipeline

Operational

Real-time multi-threaded audio pipeline engineered to decouple signal processing generation from OS audio playback drivers under strict latency bounds.

› Lock-free SPSC ring buffer utilizing std::atomic acquire/release barriers.
› Explicit cache-line alignment eliminating CPU false sharing across real-time audio threads.
C++20 CMake Multithreading DSP

Redis Clone

Operational

In-memory key-value storage engine implemented from scratch handling concurrent client TCP socket connections, custom serialization, and TTL cache eviction.

› Built custom RESP wire protocol parsing and serialization for high-throughput command handling.
› Implemented hash tables, sorted sets, and time-based key expiration background routines.
C / C++ Sockets TCP/IP Data Structures

Experience

Microsoft — Software Engineer

Jun 2024 – Present

Tucson, AZ • Full-time

  • Developed Python/Docker backend automation for Azure platform validation, cutting manual testing time 30% and increasing test throughput 50%.
  • Built Python/SSH (paramiko) orchestration tooling to remotely provision and benchmark Azure VMs across Windows and Linux environments.
  • Validated Azure hardware across ARM, Intel, and AMD architectures, contributing to the production release of the Cobalt 100 and Cobalt 200 VM series.
  • Automated developer workflows using MCP servers, cutting execution time by 30%.
Technologies & Tools
Python Docker Azure Linux MCP

Microsoft — Software Engineer Intern

Jan 2024 – May 2024

Tucson, AZ • Internship

  • Migrated a hardware-run orchestration platform from PowerShell to Python, improving maintainability and execution speed.
  • Built automation for onboarding new Azure General Purpose hardware, streamlining validation ahead of launch.
Technologies & Tools
Python PowerShell Azure

American Express — Junior Software Engineer

May 2022 – Sept 2023

Tucson, AZ • Full-time

  • Built React/Node.js/Express/Kafka servicing portals giving users access to core business workflows.
  • Automated legacy communication system health checks with Java and Spring Boot, replacing manual procedures and reducing response time.
  • Sustained 99.9% uptime for enterprise communication infrastructure by monitoring Kubernetes pods and automating incident recovery.
  • Used Kibana and Splunk to turn system activity and pod health into actionable insights.
Technologies & Tools
React Node.js Java Spring Boot Kafka Kubernetes

Education

Arizona State University — MS in Computer Science
Expected May 2028
Arizona State University — BS in Data Science
May 2025