Muhammad Abdullah Shahab
Verified Expert in Engineering
Full-stack Developer
Wah Cantt, Pakistan
Toptal member since October 5, 2026
Abdullah is a senior software engineer with 7 years of experience shipping full-stack products on C#, .NET Core, and Angular. He owns features end-to-end, from architecture through production support, and has led small teams while collaborating asynchronously with US and UK stakeholders. He also integrates LLM-powered features into production systems using OpenAI and Claude APIs.
Portfolio
Experience
- .NET - 7 years
- JavaScript - 7 years
- SQL Server - 7 years
- C# - 7 years
- Microservices - 7 years
- Angular - 7 years
- LLM Integration - 2 years
- Claude Code - 1 year
Preferred Environment
Azure, Angular, .NET, Claude Code, SQL Server, C#, Git, TypeScript, Microservices
The most amazing...
...solution I've built is a 13-module school management SaaS that covers fees, attendance, and exams with LLM-powered features in core workflows.
Work Experience
Senior Software Engineer
Infigo Solutions
- Delivered features across React Native, Angular, .NET Core, and SQL Server stacks on concurrent client projects.
- Resolved production support tickets across multiple client products while maintaining feature velocity.
- Collaborated daily with US-based engineers through async workflows and overlap standups.
Senior Software Engineer
Ark IT Services
- Served as the senior engineer on Moneypex, a microservices-based accounting SaaS built on .NET 6 and Angular.
- Designed and delivered a rental management system end-to-end on .NET 8 and Blazor WebAssembly, including authentication, multi-tenancy, and reporting.
- Integrated GoCardless, Stripe, and PayPal for recurring and one-off payment flows across Moneypex.
- Built the Moneypex POS to WooCommerce integration, unifying online and in-store inventory and sales.
- Delivered FlickHoliday and RahimBah.com end-to-end for a London-based client, working directly with UK stakeholders.
Software Engineer
ISLO Technologies
- Architected and delivered multi-tenant ERP platforms (campus management, office management, and LMS) as a full-stack engineer on the .NET framework, ASP.NET MVC, and Angular.
- Led a team of 10+ junior developers, owning sprint planning and driving delivery across concurrent client engagements.
- Enforced code quality through rigorous code review, mentoring the team on architecture and best practices across the platform suite.
Experience
Scholync
http://scholync.comAvaGen.ai
Moneypex
http://www.moneypex.comEZAutism Diagnosis Platform
http://www.ezautism.comConnectLMS
http://www.connectlms.comFlickHoliday
http://www.flickholiday.comRahimBah
http://www.rahimbah.comEducation
Bachelor's Degree in Software Engineering
International Islamic University - Islamabad, Pakistan
Skills
Libraries/APIs
jQuery, Web API, SignalR, REST APIs, Entity Framework, Stripe, React, OpenAI API, Claude API, Gocardless API, WooCommerce API
Tools
Claude, Claude Code, Git, RabbitMQ, TeamCity, Jira, GitHub Copilot, Capacitor, AWS ELB
Languages
JavaScript, C#, SQL, CSS, HTML, TypeScript, HTML5
Frameworks
Angular, Tailwind CSS, .NET, .NET Core, .NET 8, ASP.NET, Blazor, React Native, Blazor WebAssembly, Next.js, ASP.NET MVC
Paradigms
Microservices, Design Patterns, Microfrontends
Storage
Microsoft SQL Server, Google Cloud, MySQL, SQLite, Amazon S3 (AWS S3)
Platforms
Docker, Firebase, WooCommerce, Azure, Amazon Web Services (AWS)
Other
SQL Server, Bootstrap 5, Multitenancy, Architecture, API Integration, APIs, Full-stack Development, Full-stack, GitHub Actions, LLM Integration, Prompt Engineering, Structured Outputs, Software Architecture, CI/CD Pipelines, AI Integration, PayPal, Visual Studio Team Services (VSTS), Cursor AI, Single Sign-on (SSO), ECS, ECR
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring