// .net developer — available for remote hire

Erum Mirza

.NET Developer|Full Stack|CRM |Healthcare|3X Remote Roles(USA ,Singapore,Pakistan)

I'm Erum Mirza ,a remote ASP.NET Core & C# developer with 8+ years delivering scalable solutions across banking, healthcare, and CRM integration domains. I've held three remote roles across three countries: .NET developer for Loyal Innovations in Singapore (CRM-EHR integration for 3,000+ NKF patients), healthcare software engineer for LabTasks Inc. in the USA (CLIA-compliant medical lab systems), and workforce developer for SoftFit Technologies in Pakistan (biometric attendance with GPS geo-fencing). From building remote healthcare software to architecting CRM data pipelines — I bring production-grade skills to every engagement. Whether you need an ASP.NET MVC developer, SQL Server & Web API specialist, or CRM integration consultant, I'm open to project-based and long-term remote contracts worldwide.

hire .NET developer ASP.NET Core remote C# developer CRM integration healthcare software banking systems remote full stack Web API developer EHR integration SQL Server expert

🏦 Banking & Fintech 🏥 Healthcare IT 🔗 CRM Integration 🌍 Remote Ready 📱 Android Certified ⚡ Flash ActionScript 🤖 Now exploring: AI / Ollama

✉ Contact LinkedIn ↗

// work history

Professional experience

8+ years as a remote software engineer serving clients across Pakistan, the USA, and Singapore. Specialised in CRM integration, remote healthcare software development, and banking application engineering — delivering enterprise-grade .NET solutions on time, remotely. Early career expertise in legacy system modernization, migrating VB6 screens to modern web interfaces using Flash ActionScript and Web Services middleware in the healthcare domain.

Remote .NET Developer - Software Engineer (Part-time) |flynas Flights (saudia Arbia Air Line)

SoftFit Technologies — Pakistan

Feb 2026 – May 2026 · 4 mos 🌍 Remote ⏱ Part-time

Attendance Module(TimeTrackPK) development on a smart workforce management platform — connecting biometric machines across branches with real-time monitoring using ASP.NET and SQL Server.
Bug fixing and testing across attendance tracking, payroll integration, timesheets, and ESS (Employee Self Service) portal.
GPS-based geo-fencing attendance enabling location-verified check-ins without biometric devices.

Remote Senior Software Engineer | Data Migration | CRM integration |WCF| API integration

Total eBiz Solutions – Loyal Innovations, Singapore

Oct 2023 – Sep 2024🌍 Remote

Hired as a remote CRM integration developer to build two interfaces transferring data to electronic health records via XML/WSDL for NKF Singapore, serving 3,000+ patients.
Implemented nightly SFTP reconciliation process — a key deliverable for a healthcare software contract with a Singapore NGO.
Architected standardized integration layer ensuring consistent cross-system data updates.

Remote Healthcare Software Developer — Software Engineer | Health Care Medical|streamline laboratory compliance & maintenance documentation

LabTasks Inc, Houston, USA

Oct 2018 – Jan 2023🌍 Remote

Engaged as a remote healthcare software developer — built and maintained Innovative Lab, a CLIA-compliant medical laboratory automation system on the .NET framework for a US-based client.
Automated hospital lab operations: instrument maintenance, competency tracking, and intra-hospital communication.
Ensured regulatory compliance with Clinical Laboratory Improvement Amendments (CLIA).

Programmer Analyst I — Banking Software Developer-SunGard Financial Systems - now part of FIS{ leading financial institutions &Core Banking solution}

FIS Global — Client: National Bank of Pakistan

Jun 2015 – Jun 2017

Developed and maintained banking software for National Bank of Pakistan, including the Trade Finance (All Profit) project under FIS Global.
Coded, tested, debugged, and documented ASP.NET applications; provided technical guidance to junior staff.

Software Engineer | Credit Card Verification (VMS) | Account Opening Applications | T24 integration

OS First Solution — Client: Silk Bank

Apr 2014 – May 2015

Supported ADC portal and account opening apps integrated with T24 core banking system.
Developed the Letter of Thanks application for Silk Bank's operational workflows.
Built a Lucky Draw System using Visual Studio 2010 and MS Access — randomly selected winners from the bank's account holders pool for prize draw campaigns.

Software Engineer | Meezan bank(Pakistan's first & largest Islamic commercial ) |Home Remittance | Finca

Emmaculate

Feb 2011 – Oct 2013

Built Home Remittance portal for Meezan Bank and KASB Bank — systems handling millions in daily transactions.
Delivered RTGS, OAT, COC, IBFT, and Pay Order routing modules on T24 core banking.
Implemented XML data parsing, account verification, and fund transfer modules.

Software Engineer

Verticity

Sep 2007 – Jun 2008

Real estate and health lab projects — analysis, design, development, and testing.
Database design, front-end, and project documentation for various web portals.

Software Engineer

CYMAK INC

Mar 2006 – Aug 2007

Worked on a user portal system — coding, debugging, and testing.

// key projects

Things I've built

✨ Recently added Supply Chain Tech

SCOMS — Supply Chain & Order Management System

Full-stack MERN order and inventory management platform with role-based (admin/client) authentication, multi-marketplace order allocation (UK, USA, Canada, UAE), supplier sourcing, PDF/Excel order export, and an admin reporting dashboard.

ReactNode.js ExpressMongoDB JWT

✨ Recently added PropTech

Karachi Real Estate — Plot Inventory & Offers GitHub ↗

A MERN platform for Karachi real estate agents to manage plot inventory and buyer offers across Bahria Town Karachi, DHA City Karachi, and DHA Karachi. AI-powered parsing turns raw, unstructured listing text into structured plot records (with a rule-based fallback), while grid/table/matrix views, filters, an offer workflow (Pending → Accepted/Rejected/Countered), and WhatsApp-ready export support agents' day-to-day workflow.

React 19Node.js ExpressMongoDB Gemini API

Workforce Tech

TimeTrackPK — Attendance Module

Smart workforce management with biometric integration, GPS geo-fencing, payroll, ESS portal, and multi-branch centralized reporting — built as a remote .NET developer.

Healthcare IT

CRM → EHR Integration (NKF Singapore)

CRM integration project: hourly XML/WSDL sync and nightly SFTP reconciliation pipeline for 3,000+ patients at the National Kidney Foundation Singapore.

Healthcare IT

Innovative Lab — LabTasks USA LabTasks GitHub ↗

Remote healthcare software development — CLIA-compliant medical lab automation on .NET, automating instrument tracking, competency management, and hospital communications.

Banking

Asaan Account — National Bank of Pakistan

Instant account opening application (via FIS) with Profile wrapper class on Assembly Language for government banking infrastructure.

Banking

Home Remittance Portal — Meezan Bank MEX

Payment portal delivering RTGS, OAT, COC, IBFT, and Pay Order routing on T24 core banking — millions in daily transactions.

Infrastructure

SFTP/FTP Crawler — Meezan Bank

Automated secure file transfer modules for Pakistan's first and largest Islamic bank — built using C# and SFTP integration best practices.

Banking

VMS — Credit Card Verification

Credit Card Verification Management System — secure, reliable card transaction verification for banking clients using ASP.NET and SQL Server.

Banking

Lucky Draw System — Silk Bank

Prize draw application built with Visual Studio 2010 and MS Access — randomly selected winners from Silk Bank's account holders pool for customer reward campaigns. Handled draw logic, winner selection, and result management.

Healthcare IT

Chart Audit Application

Clinical documentation review tool for auditing patient charts — part of a broader healthcare software development portfolio.

Banking

MIS Reporting Application

Management Information System generating departmental reports across multiple banking units — executive-level data visibility via Crystal Reports and .NET.

Legacy Migration

VB6 → Flash Migration — Healthcare Domain

Converted legacy VB 6.0 desktop screens to modern Flash ActionScript interfaces using Web Services as middleware, connected to live databases. Modernized healthcare workflows without disrupting existing backend logic — an early example of legacy-to-modern technology migration.

MERN Stack

Blog & Social Media Application GitHub ↗

Full-stack blog and social networking platform built on the MERN stack (MongoDB, Express.js, React, Node.js). Features include user authentication, post creation with rich text and image uploads, likes and comments, follower/following relationships, and a personalized activity feed — with a RESTful API backend and JWT-secured sessions.

✨ Recently added AI / LLM

LocalAIChat GitHub ↗

Basic AI chatbot running entirely on local infrastructure — sends single-turn prompts to a locally hosted LLM (llama3.2) via Ollama's REST API, using HttpClient and System.Text.Json for serialization.

.NET 9Ollama HttpClientSystem.Text.Json

✨ Recently added AI / LLM

LocalAIChatMemory GitHub ↗

Extends LocalAIChat with in-memory conversation history — maintains a List<ChatMessage> across turns and calls Ollama's /api/chat endpoint, so the local LLM retains context throughout the session.

.NET 9Ollama Conversation Memory/api/chat

✨ Recently added AI / LLM

AI Chatbot with Dependency Injection GitHub ↗

AIChatBot — .NET architecture and Dependency Injection. Restructures the local AI chatbot around an IOllamaChatService interface, with HttpClient injected via the DI container instead of created manually, following a clean Service Layer pattern.

.NET 9Dependency Injection InterfacesService Layer

✨ Recently added AI / LLM

RAG AI Application GitHub ↗

A basic Retrieval-Augmented Generation (RAG) application built with .NET 9, C#, Ollama, and Llama 3.2. It reads a document, retrieves relevant information based on the user's question, and uses the retrieved context to generate an AI answer.

.NET 9Ollama RAGRetrieval

✨ Recently added AI / LLM

RAG Web API GitHub ↗

An ASP.NET Core Web API that answers questions from PDF documents using Retrieval-Augmented Generation. Extracts and chunks text from PDFs, generates embeddings with nomic-embed-text, retrieves the most relevant chunks via cosine similarity and a similarity threshold, then uses Llama 3.2 to generate a grounded answer — exposed through Swagger with full source tracking (file name, chunk number, similarity score).

ASP.NET Core Web APIOllama EmbeddingsVector Search

Erum Mirza

.NET Developer|Full Stack|CRM |Healthcare|3X Remote Roles(USA ,Singapore,Pakistan)

What I work with

Professional experience

Things I've built

Let's work together