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Ho Hoang A.
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Ho Hoang A.

Principal Systems Architect | .NET Ecosystem Expert | High-Performance

High-Performance Architecture for Scalable Systems I am a Principal Backend Architect with over 10 years of experience in the .NET ecosystem. My expertise lies in transforming complex, high-stakes business requirements into stable, high-performance technical architectures. I don't just write code; I design systems that last. Whether it's Microservices, Domain-Driven Design (DDD), or deep-level database optimization, my focus is always on architectural integrity and long-term maintainability. Core Expertise: - .NET Mastery: Deep internals of .NET Core/Framework for mission-critical systems. - System Design: Expert in Clean Architecture, DDD, and scalable Microservices. - Database Engineering: High-level optimization for MSSQL, Azure SQL, and Redis. - Technology Stack: C#, Golang, SQL Server, MySQL, Azure Cloud. 💡 Strategic Workflow: To ensure 100% technical precision and provide exact architectural blueprints, I exclusively utilize text-based communication (Upwork Messages/Email). This "Deep Work" approach guarantees that every decision is documented, analyzed, and delivered with zero ambiguity

🇻🇳Ho Chi Minh City, Vietnam$90/hr100% JSS5.00 (3)Since Mar 2025

Earnings and projects

MRR
$412

Last 6 months ÷ 6

World#85,736 / 412k
🇻🇳Country#774 / 3,463
Revenue, last 30 days
$1k

Last 6 months: $2.5k

World#42,531 / 412k
🇻🇳Country#365 / 3,463
Total earnings
$14k

Billed in all: $14k

World#171,475 / 412k
🇻🇳Country#1,247 / 3,463
Per project
$2.7k

$2.5k in the last 6 months

World#60,593 / 412k
🇻🇳Country#415 / 3,463
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇻🇳Country#1,284 / 3,463
Projects in all
5
100% fixed0% hourly
World#266,042 / 412k
🇻🇳Country#2,298 / 3,463

Earnings, last 30 days

$13.6k+$1k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$12.5k$13.0k$13.5k$14.0kOct 8Oct 23Nov 7

Skill rankings: Top 16% in Golang

Ranked by MRR among everyone on Upwork with the skill.

  1. #24Domain-Driven Design105 freelancers · 🇻🇳 #1Top 23%
  2. #68Clean Architecture385 freelancers · 🇻🇳 #3Top 18%
  3. #171Apache Kafka981 freelancers · 🇻🇳 #4Top 17%
  4. #200Database Architecture864 freelancers · 🇻🇳 #4Top 23%
  5. #288Redis1,774 freelancers · 🇻🇳 #7Top 16%
  6. #351Golang2,195 freelancers · 🇻🇳 #11Top 16%
  7. #363Architecture1,368 freelancers · 🇻🇳 #11Top 27%
  8. #391Microservice2,217 freelancers · 🇻🇳 #6Top 18%