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Andrew W.

Andrew W.

Senior Full Stack & Data Engineer | .NET, React, SQL, AWS/Azure

With over 20 years of extensive experience in software development, a strong foundation in a variety of programming languages, and a proven track record in delivering efficient and scalable software solutions, I am confident in my ability to contribute effectively to your team. I specialize in full stack development, data engineering, database design, cloud migration, API integrations, and enterprise application modernization. My main technical strengths include .NET, C#, React, Angular, SQL Server, PostgreSQL, AWS, Azure, ETL, SSIS, Power BI, Tableau, Docker, Kubernetes, and microservices. Throughout my career, I have worked with healthcare, fintech, government, aviation, and enterprise clients. I have built web applications from the ground up, optimized slow systems, designed data warehouses, created ETL pipelines, developed reporting dashboards, migrated legacy systems to modern cloud platforms, and led development teams through full project lifecycles. I can help with: • Full stack web application development • NET / C# backend development • React / Angular frontend development • SQL Server / PostgreSQL database design • ETL, SSIS, data warehouse, and reporting • AWS / Azure cloud deployment and migration • API integrations and microservices • Power BI, Tableau, and Grafana dashboards • Legacy system modernization and performance optimization I am comfortable working independently or as part of a team, and I can take a project from requirements gathering and architecture through development, testing, deployment, and ongoing support. My goal is always to build solutions that are secure, scalable, reliable, and easy to maintain.

🇺🇸Cottonwood, United States$90/hr100% JSS4.34 (8)Since Jul 2025

Earnings and projects

MRR
$3.3k

Last 6 months ÷ 6

World#11,005 / 412k
🇺🇸Country#3,070 / 62.1k
Revenue, last 30 days
$3.2k

Last 6 months: $20k

World#11,508 / 412k
🇺🇸Country#2,961 / 62.1k
Total earnings
$101k

Billed in all: $106k

World#38,804 / 412k
🇺🇸Country#7,947 / 62.1k
Per project
$7.8k

$2.8k in the last 6 months

World#21,666 / 412k
🇺🇸Country#3,592 / 62.1k
Projects, last 6 months
7
0% fixed100% hourly
World#28,826 / 412k
🇺🇸Country#4,152 / 62.1k
Projects in all
13
15% fixed85% hourly
World#175,712 / 412k
🇺🇸Country#25,131 / 62.1k

Earnings, last 30 days

$106k+$3.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$102k$104k$106k$108kOct 8Oct 23Nov 7

Skill rankings: Top 3% in PHP

Ranked by MRR among everyone on Upwork with the skill.

  1. #22.NET Stack276 freelancers · 🇺🇸 #8Top 8%
  2. #23Oracle PLSQL399 freelancers · 🇺🇸 #3Top 6%
  3. #27Oracle490 freelancers · 🇺🇸 #8Top 6%
  4. #48Data Warehousing494 freelancers · 🇺🇸 #11Top 10%
  5. #96ETL1,555 freelancers · 🇺🇸 #26Top 6%
  6. #104AWS Development1,478 freelancers · 🇺🇸 #16Top 7%
  7. #168Microsoft SQL Server2,759 freelancers · 🇺🇸 #28Top 6%
  8. #214.NET Core3,067 freelancers · 🇺🇸 #23Top 7%