You will get Backend developer | .NET Core developer | .NET Framework | .NET developer
Project details
You’ll be working with a seasoned back-end .NET developer with over 14 years of hands-on experience delivering scalable and secure server-side solutions.
I specialize in building robust back-end systems using .NET technologies such as .NET Core, ASP.NET MVC, Web API, Entity Framework (EF Core), the .NET Framework, C#, LINQ, and MS SQL Server. My focus is on designing high-performance architectures for web applications, enterprise software, and APIs.
With deep expertise in RESTful API development, authentication & authorization, database architecture, and performance tuning, I ensure clean, maintainable, and production-ready code tailored to your specific business needs. I also manage deployment, version control, and CI/CD pipelines using Azure, IIS, and Git.
Let’s create reliable, fast, and secure back-end solutions that support and scale with your business. I'm dedicated to delivering quality results that consistently exceed expectations.
Best,
Sajid A.
I specialize in building robust back-end systems using .NET technologies such as .NET Core, ASP.NET MVC, Web API, Entity Framework (EF Core), the .NET Framework, C#, LINQ, and MS SQL Server. My focus is on designing high-performance architectures for web applications, enterprise software, and APIs.
With deep expertise in RESTful API development, authentication & authorization, database architecture, and performance tuning, I ensure clean, maintainable, and production-ready code tailored to your specific business needs. I also manage deployment, version control, and CI/CD pipelines using Azure, IIS, and Git.
Let’s create reliable, fast, and secure back-end solutions that support and scale with your business. I'm dedicated to delivering quality results that consistently exceed expectations.
Best,
Sajid A.
Programming Languages
JavaScript, ASP.NET, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$119
|
Standard
$349
|
Advanced
$549
|
|---|---|---|---|
| Delivery Time | 1 day | 5 days | 7 days |
Number of Revisions | 1 | 3 | 5 |
Number of Pages | 1 | 3 | 4 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$50 - $100
Additional Revision
+$50
Additional Page
(+ 1 Day)
+$20Frequently asked questions
About Sajid
Full-Stack Developer + LLM Specialist | SaaS & AI Solutions
Faisalabad, Pakistan - 4:10 pm local time
I help startups, SMBs, and enterprises build scalable, high-performance web and SaaS applications that deliver real business results not just code. With 12+ years of full-stack experience and hands-on expertise in AI chatbots and LLM systems, I create solutions that scale with your users, revenue, and growth.
🎯 What I Deliver
Full-Stack & SaaS Applications
MERN (MongoDB, Express, React, Node.js) & Next.js platforms
Multi-tenant SaaS apps, subscription billing, RBAC, secure APIs
Real-time dashboards & analytics, live updates, performance-optimized
AI & LLM Solutions
OpenAI API integration (GPT-4o, GPT-4, GPT-3.5)
AI chatbots, internal knowledge assistants, lead qualification bots
RAG (Retrieval-Augmented Generation) pipelines using LangChain / LlamaIndex
Vector databases (Pinecone, FAISS) for private knowledge ingestion
Production-ready AI systems: secure, cost-efficient, high-accuracy responses
API & Integrations
REST & GraphQL APIs, WebSockets, third-party integrations
Payment gateways: Stripe, PayPal
Cloud-ready architecture: AWS Lambda, EC2, S3, Docker, CI/CD pipelines
💡 Why Clients Hire Me
Built SaaS systems serving 100K+ active users with 99% uptime
Delivered AI chatbots handling thousands of queries daily with 90–95% accuracy
Clear, proactive communication with realistic delivery timelines
Full-cycle delivery: PoC → Production → Scale
Focus on business outcomes: performance, security, ROI
🛠 My Approach
Discovery: Understand your users, workflows, and goals
Architecture: Plan scalable, secure, maintainable systems
Development: Agile sprints, GitHub PRs, clean & documented code
Testing & Optimization: Performance, security, reliability audits
Deployment & Scale: Cloud-ready CI/CD, monitoring, documentation
📩 Let’s Build Something That Works
Share your project goals, data sources, and challenges I’ll provide a custom technical plan, architecture, and roadmap to bring your solution to production.
Steps for completing your project
After purchasing the project, send requirements so Sajid can start the project.
Delivery time starts when Sajid receives requirements from you.
Sajid works on your project following the steps below.
Revisions may occur after the delivery date.
Planning & Setup
Development Phase