You will get a professional backend code review and architecture audit
Project details
If your backend system feels messy, slow, hard to maintain, or insecure, I will perform a structured professional code review and architecture audit.
I analyze your codebase for:
• Performance bottlenecks
• Security risks
• Poor separation of concerns
• Scalability limitations
• Maintainability issues
You will receive a clear, structured technical report with practical improvement recommendations—not vague comments.
I analyze your codebase for:
• Performance bottlenecks
• Security risks
• Poor separation of concerns
• Scalability limitations
• Maintainability issues
You will receive a clear, structured technical report with practical improvement recommendations—not vague comments.
Programming Languages
Java, C#Coding Expertise
Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$250
|
Standard
$450
|
Advanced
$750
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Frequently asked questions
About Ahsan
Senior .NET / Java Backend Engineer | FHIR, EMPI & API Architecture
Karachi, Pakistan - 11:59 pm local time
I specialize in:
HL7-FHIR interoperability engines
EMPI systems with deterministic and probabilistic matching
REST API architecture & enterprise integrations
EHR governance, ONC alignment & compliance-driven backend design
Microservices, concurrency control & performance optimization
Azure-based cloud deployments & scalable infrastructure
Recent Highlights
Led end-to-end delivery of a complete backend platform including REST APIs, business logic layers, database architecture, and Azure cloud infrastructure
Architected a FHIR interoperability engine integrating with Azure FHIR Server
Built a production-grade EMPI engine resolving cross-system patient duplication
Implemented governance-aligned backend systems supporting ONC-aware workflows
Additional Experience
FinTech & Payments: Secure payment portals, transaction safety, session management, thread-safe backend systems
Backend Engineering: REST APIs, microservices, background services, distributed auth, concurrency control, and performance tuning
Data & Cloud:
SQL Server (T-SQL), PostgreSQL, Oracle, Entity Framework, Hibernate, AWS & Azure deployments, cloud-based integrations
Steps for completing your project
After purchasing the project, send requirements so Ahsan can start the project.
Delivery time starts when Ahsan receives requirements from you.
Ahsan works on your project following the steps below.
Revisions may occur after the delivery date.
Codebase Access & Context Review
Provide access to your source code (GitHub, ZIP, or repository link). Share details about your tech stack, environment, and any known challenges.
Architecture & Module Analysis
I analyze your system architecture and modules. Identify risks, tight couplings, scalability limits, and maintainability concerns.