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Alexey T.
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Alexey T.

Mobile, CRM, ERP systems Developer: .NET, MAUI, ASP, Blazor, AI Agents

I am a software engineer with a vast experience of developing successful mobile apps, B2B applications like CRMs and ERP systems for a variety of industries. .NET full-stack developer with extensive experience: from back-end and APIs for distributed systems to WPF and Xamarin, MAUI and Blazor: desktop, mobile and web app development. 9+ years of being a specialist in the .NET ecosystem. I have experience working on gigs developing AI agents, RAG, integrating LLMs with enterprise cloud systems, as well as on premise LLMs (ollama). Additionally, I have great deal of knowledge and experience with cloud infrastructure (AWS, Azure), IaaC, Windows Server, as well as considerable experience with React, Angular and jQuery on the web front-end side of things. I also used to be an ActionScript developer (flash games) during my professional infancy (starting in 2013). Summary: ✅ .NET developer with experience in .NET Core (Web API, Entity Framework, MVC), Xamarin.Forms, ASP.NET MVC, Appium, Selenium, WPF, ASP.NET Web Forms, Microsoft SQL Server (Also PostgreSQL, MySQl, BigQuery) ✅ Hands-on experience with payment gateways (PayPal), PoS (Poynt SDK), and building distributed systems with the Microservices pattern ✅ Cloud infrastructure and tools knowledge including Azure, AWS, Google Cloud (GCP), Docker, Redis, Apache Kafka. Additional experience working with Windows Server, Data Warehousing with Azure Synapse and Databricks ✅ Modifying and implementing front-end part of the features with Angular and React ✅ Additional extensive history with Python (TkInter, Selenium), ActionScript 3.0 ✅ Products involvement includes: Mobile Device App and Test Managing System, Back-office system for Mailing company, AI-integrated desktop app for Medical industry, Internal Inventory Tracking System for clothing retailer, Innovations Suggestions Portal, Payments gateway Microservice for a SaaS system, Social Media Casino, Traffic Generating Software, Online Book Editors, Online Casino, Browser Games

🇺🇦Zurivka, Ukraine$35/hr100% JSS5.00 (4)Since Feb 2015

Earnings and projects

MRR
$3.1k

Last 6 months ÷ 6

World#12,367 / 412k
🇺🇦Country#766 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $18k

Total earnings
$56k

Billed in all: $59k

World#69,284 / 412k
🇺🇦Country#4,091 / 14.3k
Per project
$11k

$18k in the last 6 months

World#13,808 / 412k
🇺🇦Country#991 / 14.3k
Projects, last 6 months
1

Across 2 contracts

0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
5

Across 7 contracts

43% fixed57% hourly
World#266,042 / 412k
🇺🇦Country#10,266 / 14.3k

Earnings, last 30 days

$58.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$57k$58k$59k$60kOct 8Oct 23Nov 7

Skill rankings: Top 4% in Web Development

Ranked by MRR among everyone on Upwork with the skill.

  1. #10Domain-Driven Design105 freelancers · 🇺🇦 #1Top 10%
  2. #22Xamarin434 freelancers · 🇺🇦 #4Top 5%
  3. #28Windows Presentation Foundation398 freelancers · 🇺🇦 #6Top 7%
  4. #35AWS CloudFormation595 freelancers · 🇺🇦 #2Top 6%
  5. #144CRM Development2,819 freelancers · 🇺🇦 #9Top 5%
  6. #169ASP.NET2,819 freelancers · 🇺🇦 #19Top 6%
  7. #178.NET Framework2,944 freelancers · 🇺🇦 #17Top 6%
  8. #184Microsoft SQL Server2,759 freelancers · 🇺🇦 #9Top 7%