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Gilbert M.

Gilbert M.

Legacy Modernization Expert: Blazor, Cloud, AI | .NET | C#

Building, modernizing, or rescuing a business-critical application requires more than writing code-it requires understanding architecture, business goals, and how to deliver software that remains maintainable long after deployment. I'm a specialized .NET software engineer and the founder of Gilbert Specialists Tech, a software engineering consultancy focused on designing, modernizing, and rebuilding custom web applications using the Microsoft technology stack. Whether you're launching a new SaaS platform, extending an existing application, or reconstructing a legacy system without complete documentation, I help organizations build reliable, scalable software with clean architecture and long-term maintainability in mind. What I Can Help You With Legacy Application Modernization Modernize existing applications while reducing technical debt and improving performance, maintainability, and scalability. Existing Codebase Management Quickly understand complex codebases, identify architectural issues, implement new features, resolve bugs, and improve overall system quality. Blazor & ASP.NET Core Development Design and develop modern web applications using: Blazor Web Apps Blazor Server Blazor WebAssembly ASP.NET Core C# Entity Framework Core Application Reconstruction Rebuild business-critical applications when source code is unavailable, documentation is incomplete, or a complete architectural redesign is required. Cloud & Azure Development Deploy and manage secure cloud-native applications using Microsoft Azure, including App Services, Azure SQL Database, Azure Key Vault, Microsoft Entra ID, and CI/CD pipelines. Software Architecture & Technical Consulting Design scalable application architectures, review existing systems, recommend modernization strategies, and help teams make sound technical decisions. Technical Expertise Languages & Frameworks C# .NET 5+ ASP.NET Core Blazor Entity Framework Core Cloud & DevOps Microsoft Azure Azure App Service Azure SQL Database Azure Key Vault Microsoft Entra ID Docker CI/CD Pipelines Databases SQL Server Azure SQL PostgreSQL MySQL Frontend & UI Blazor HTML5 CSS3 Bootstrap Syncfusion How I Work I believe successful software projects are built on more than technical expertise. My approach is guided by a few simple principles: ✓ Integrity above everything. ✓ Clear, proactive communication. ✓ Clean, maintainable engineering. ✓ Respect for commitments and timelines. ✓ Long-term solutions over short-term fixes. We May Not Be the Right Fit If ✗ The primary goal is finding the cheapest developer rather than the right engineering solution. ✗ Documentation, testing, and maintainability are considered unnecessary. ✗ Clear communication and mutual respect are not priorities. ✗ Commitments and timelines are treated as optional. If you're looking for an engineering partner who can confidently step into an existing system, modernize legacy software, or build a scalable .NET solution from the ground up, I'd be happy to discuss your project.

🇰🇪Nairobi, Kenya$80/hr100% JSS4.67 (6)Since Jul 2021

Earnings and projects

MRR
$7

Last 6 months ÷ 6

World#175,354 / 412k
🇰🇪Country#1,237 / 3,243
Revenue, last 30 days
$0

Last 6 months: $40

Total earnings
$8.1k

Billed in all: $8.1k

World#214,218 / 412k
🇰🇪Country#1,543 / 3,243
Per project
$1.2k

$40 in the last 6 months

World#113,406 / 412k
🇰🇪Country#731 / 3,243
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇰🇪Country#813 / 3,243
Projects in all
7

Across 11 contracts

100% fixed0% hourly
World#236,188 / 412k
🇰🇪Country#2,057 / 3,243

Earnings, last 30 days

$8.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$7.9k$8.0k$8.1k$8.2kOct 8Oct 23Nov 7

Skill rankings: Top 28% in ASP.NET Web API

Ranked by MRR among everyone on Upwork with the skill.

  1. #13Syncfusion36 freelancers · 🇰🇪 #1Top 36%
  2. #24AWS CodeBuild64 freelancers · 🇰🇪 #1Top 38%
  3. #25Real Time Stream Processing62 freelancers · 🇰🇪 #1Top 40%
  4. #120AWS CloudFront366 freelancers · 🇰🇪 #3Top 33%
  5. #247Blazor656 freelancers · 🇰🇪 #2Top 38%
  6. #345Entity Framework1,047 freelancers · 🇰🇪 #2Top 33%
  7. #401ASP.NET Web API1,447 freelancers · 🇰🇪 #3Top 28%
  8. #689ASP.NET Core2,272 freelancers · 🇰🇪 #3Top 30%