Nadeem LDR

.NET Developer @ Markalytics

About

Senior .NET Developer | ERP & POS Systems | QuickBooks Integration | C# · ASP.NET Core · SQL Server · DevExpress With 5+ years of experience, I specialize in building and integrating ERP systems, multi-branch Point of Sale (POS) platforms, and QuickBooks automation solutions for retail, restaurant,POS Car Wash. What I build & deliver: Multi-branch POS systems deployed across 9+ locations (retail, restaurant, hospitality) QuickBooks integration & sync automation — connecting POS data to QuickBooks for clean accounting, P&L, and financial reporting POS-to-accounting data pipelines eliminating manual entry and reconciliation errors VAT/tax-compliant invoicing, COGS tracking, and automated financial reports Role-based authentication (Admin / Manager / Cashier) for secure POS workflows SQL query and report performance optimization — 40–50% improvement delivered Scalable, layered architecture using EF Core, ASP.NET Core Web API, WinForms, and DevExpress Industries served: Retail · Restaurants · Hospitality · Small & Medium Businesses (SMB) Integration & automation experience: QuickBooks Desktop · QuickBooks Online · POS sync · inventory automation · payment reconciliation · coupon & discount logic · gift cards · fleet accounts · recurring payments I'm comfortable owning features end-to-end — from requirements and architecture through development and IIS deployment. I've also mentored junior developers and led code reviews in team settings. Open to remote roles and freelance projects worldwide. nadeemldr77@gmail.com

Country

Pakistan

City

Islamabad

Industry

Computer Software

Skill

Point of Sale (POS) Systems, .NET Framework, DevExpress, C#, SQL, WinForms, QuickBooks, Crystal Reports, Dot Net core, Entity Framework, AngularJS, Angular, ASP.NET, Agile Methodologies, .NET Core, HTML, C++, jQuery, JavaScript, ASP.NET MVC

Experience

.NET Developer

Markalytics

2023-5 - Present · 3 yrs 5 mos

Islamabad

Designed and delivered a multi-branch POS system deployed across 9 branches. Built and maintained RESTful APIs using ASP.NET Core Web API. Implemented role-based access control (Admin/Manager/Cashier) and authentication. Optimized SQL Server procedures/indexes/queries, improving reporting performance by 40–50%. Built VAT/tax-compliant billing, invoicing, and reporting flows. Mentored 2 junior developers, led code reviews, and improved coding standards. Deployed releases on IIS and supported production stability.

.NET Developer

iSolve

2019-9 - 2023-5 · 3 yrs 9 mos

Islāmābād, Pakistan

Delivered 5+ software modules in ERP and CRM systems using .NET and SQL Server, improving client operational efficiency by up to 30%. Maintained and enhanced mission-critical applications for multiple clients, reducing reported bugs by 25% through proactive code reviews and testing. Collaborated with cross-functional teams (PMs, UI/UX designers, QA testers) to ensure 90% on-time project delivery within client specifications. Optimized database performance by designing efficient data models, implementing indexes, and rewriting queries, resulting in 40% faster query execution. Introduced process improvements in the development cycle, cutting feature delivery time by 15%. Continuously learned and integrated emerging Microsoft technologies, enabling the delivery of future-ready software solutions aligned with industry trends.