You will get secure and high-performance .NET 8 migration
Project details
Modernize your legacy .NET application with a secure and high-performance migration to .NET 8 and ASP.NET Core. I am a Senior C# .NET Developer with 6+ years of experience building enterprise applications and upgrading legacy systems for healthcare, ERP, and business platforms.
I recently led a .NET Framework 3 to .NET 8 migration at Autymate, improving application performance by 35% while ensuring stable deployment and minimal downtime. My services focus on code modernization, backend optimization, API improvements, security upgrades, and scalable architecture.
This project includes codebase analysis, migration planning, dependency review, ASP.NET Core modernization, Entity Framework Core upgrades, REST API optimization, and performance enhancements. Premium packages also include Azure DevOps CI/CD pipelines, Docker containerization, JWT/Keycloak authentication, unit testing, and deployment support.
Message me with your current .NET version and project details, and I will provide a clear migration roadmap before we begin.
I recently led a .NET Framework 3 to .NET 8 migration at Autymate, improving application performance by 35% while ensuring stable deployment and minimal downtime. My services focus on code modernization, backend optimization, API improvements, security upgrades, and scalable architecture.
This project includes codebase analysis, migration planning, dependency review, ASP.NET Core modernization, Entity Framework Core upgrades, REST API optimization, and performance enhancements. Premium packages also include Azure DevOps CI/CD pipelines, Docker containerization, JWT/Keycloak authentication, unit testing, and deployment support.
Message me with your current .NET version and project details, and I will provide a clear migration roadmap before we begin.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$400
|
Standard
$800
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 5 days | 14 days | 25 days |
Number of Revisions | 2 | 3 | Unlimited |
Number of Pages | 2 | 15 | 25 |
Design Customization | - | ||
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
4 reviews
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MN
Mohmmed N.
Apr 22, 2026
AI Agent Integration Expert Needed for .NET & React Application (Critical Bug Fix)
It was a pleasure working with him, and I would be happy to hire him again in the future.
SN
Saira N.
Jan 3, 2026
Full-Stack Developer (ASP.NET Core & React)
Working with Bilal was a great experience from start to finish. He is a highly skilled full-stack developer with strong expertise in ASP.NET Core and React, and he approaches work with a clear, structured mindset. He took the time to fully understand the requirements, identified potential issues early, and suggested practical improvements that made the overall solution stronger.
His communication was consistent, clear, and professional throughout the project, which made collaboration smooth and efficient. He handled both backend and frontend tasks confidently, delivered high-quality, maintainable code, and stayed focused on real-world usability rather than just implementation.
What stood out most was his reliability and ownership of the work, he genuinely cared about delivering a solid outcome and meeting expectations. I would gladly work with him again and highly recommend him to anyone looking for a dependable and experienced full-stack developer.
His communication was consistent, clear, and professional throughout the project, which made collaboration smooth and efficient. He handled both backend and frontend tasks confidently, delivered high-quality, maintainable code, and stayed focused on real-world usability rather than just implementation.
What stood out most was his reliability and ownership of the work, he genuinely cared about delivering a solid outcome and meeting expectations. I would gladly work with him again and highly recommend him to anyone looking for a dependable and experienced full-stack developer.
DE
Damon E.
Nov 21, 2025
React + Supabase Developer for Code Stabilization & QA
Working with this freelancer has been an absolute game-changer. He is incredibly thorough and methodical in the way he approaches every task. He doesn’t just “do the work” – he studies the problem, finds the gaps in logic, and then refines the scope so that the solution actually makes sense in the real world.
He consistently catches things I’ve missed, proposes smarter ways to structure the work, and turns vague ideas into clear, actionable plans. His communication is clear, professional, and proactive – I always know where things stand and what’s coming next.
What I appreciate most is that he thinks like a partner, not just a contractor. He cares about the outcome, asks the right questions, and is genuinely invested in helping the project succeed. Reliable, detail-oriented, and highly skilled.
I would absolutely work with him again and strongly recommend him to anyone who needs high-quality, thoughtful, and well-structured work.
He consistently catches things I’ve missed, proposes smarter ways to structure the work, and turns vague ideas into clear, actionable plans. His communication is clear, professional, and proactive – I always know where things stand and what’s coming next.
What I appreciate most is that he thinks like a partner, not just a contractor. He cares about the outcome, asks the right questions, and is genuinely invested in helping the project succeed. Reliable, detail-oriented, and highly skilled.
I would absolutely work with him again and strongly recommend him to anyone who needs high-quality, thoughtful, and well-structured work.
JS
Junaid S.
Oct 5, 2025
Healthcare MVP Web App (React + ASP.NET Core)
Bilal Cheema is an exceptional React, .NET, and Azure developer who made a significant impact on our healthcare MVP. His technical expertise, problem-solving ability, and attention to detail ensured the MVP was developed efficiently and to a high standard. Bilal consistently delivered clean, scalable code and handled complex integrations with ease. Communication with him was always smooth and professional, making collaboration effortless. I highly recommend Bilal for any future projects requiring a dependable and highly skilled full-stack developer.
About Bilal
Senior .NET Developer | C# | ASP.NET Core | Azure | Microservices
100%
Job Success
Lahore, Pakistan - 7:52 pm local time
CORE .NET DEVELOPER SKILLS
✅ C# .NET Developer: ASP.NET Core, .NET Core, .NET 8, .NET Framework
✅ REST API & Microservices: Web API, Minimal APIs, Clean Architecture
✅ Auth & Security: Keycloak, JWT, OAuth2, OIDC, RBAC
✅ Cloud & DevOps: Azure, Azure Functions, Docker, CI/CD, Azure DevOps
✅ Databases: SQL Server, PostgreSQL, MySQL, MongoDB
✅ Frontend: React, Angular, TypeScript, TanStack Query, Material UI
✅ Observability: Serilog, OpenTelemetry, Centralized Logging
✅ Testing: xUnit, NUnit, Integration Testing
⭐ WHY CLIENTS HIRE ME AS A .NET DEVELOPER
✔ 100% Job Success, 5 stars on every contract
✔ Reduced API response times by 32% at iCareManager
✔ Boosted legacy .NET performance by 35% at Autymate
✔ Cut deployment time by 45% via Azure DevOps CI/CD
✔ US remote experience, EST/PST time zone friendly
✔ 0–3 hour response time, proactive communication
🏆 .NET DEVELOPER PROJECT HIGHLIGHTS
▸ iCareManager: ASP.NET Core microservices, Keycloak
OIDC/OAuth2, Serilog/OpenTelemetry logging, Linux/PostgreSQL
deployments, CI/CD pipelines, 32% faster APIs, 45% faster deploys
▸ Autymate (US): .NET to .NET 8 migration (+35% performance),
Azure Functions bug fixes (-40% failures), JWT REST APIs,
ADO.NET Unit of Work, CI/CD pipelines
▸ Healthcare Platform: .NET 6 + React full-stack: patient intake,
scheduling, RBAC, clinical docs, inventory, 5-star rated
▸ Data Security Platform: FTP monitoring, AES-256 encryption,
Hangfire job queues, MSSQL, 50% security improvement
🛠 C# .NET DEVELOPER TECH STACK
Backend: ASP.NET Core | C# .NET | .NET Core | .NET 8 | .NET Framework Web API | Minimal APIs | Entity Framework Core | Dapper | ADO.NET
Security: Keycloak | JWT | OAuth2 | OIDC | RBAC | Custom Authenticators
Cloud: Azure | Azure Functions | Azure DevOps | Docker | CI/CD | Linux
DB: SQL Server | PostgreSQL | MySQL | MongoDB
Frontend: React | Angular | TypeScript | TanStack | Material UI
Testing: xUnit | NUnit | Integration Testing
🏥 DOMAINS
Healthcare & EHR | FinTech | ERP | Data Security | E-Commerce | Workflow Automation
📩 Message me, I respond within a few hours.
Steps for completing your project
After purchasing the project, send requirements so Bilal can start the project.
Delivery time starts when Bilal receives requirements from you.
Bilal works on your project following the steps below.
Revisions may occur after the delivery date.
Project Review & Codebase Analysis
Review the existing .NET application, dependencies, architecture, and migration requirements.
Migration Planning & Risk Assessment
Create a migration roadmap with timeline, compatibility checks, and risk analysis.