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A versatile software engineer specializing in developing CAD plugins (AutoCAD, Civil 3D, BricsCAD, ZWCAD) and desktop applications that streamline engineering workflows. With a strong mix of programming expertise and engineering background, I create tools that save time, reduce errors, and integrate seamlessly into existing processes. 🔹 Core Skills ➤ CAD Customization & Automation: • AutoLISP (ActiveX, ObjectDBX, DCL, OpenDCL) • C#.NET (AutoCAD, BricsCAD, Civil 3D APIs – Desktop & CAD plugins) • Python (EzDXF, PyAutoCAD, PyQt, Numpy, Pandas, Matplotlib ...) ➤ Data & Office Automation: • Excel VBA (automation, reporting, data processing) • SQL integration for structured data management • Interfacing between CAD ↔ Excel ↔ PDF workflows ➤ Desktop Development: • C#.NET (Windows desktop applications) • Python (custom desktop tools, data visualization, reporting) 🔹 What I Deliver ✔ Tailored CAD tools for civil, mechanical, and electrical engineering ✔ Automation of repetitive and error-prone tasks ✔ Smooth interoperability between CAD, Excel, and PDF data ✔ Scalable desktop applications with intuitive user interfaces 🔹 Why Work With Me Clients value my problem-solving mindset, ability to translate complex engineering needs into robust software, and my track record of delivering practical, high-quality tools that improve productivity.

✅ Upwork verified cross platform developer Windows(13 Yrs exp), Android(7 Yrs exp) Solutions architect and implementation expert in: -- -- C# .NET/ VB .NET/ .NET Core -- -- Web API/Web/Desktop applications -- -- AWS - Lambda, S3, EC2 -- -- Python and PHP solutions -- -- MsSQL/MySQL/SQLite -- -- Android (Native) App Development -- -- VB6 / VBA migration and maintenance -- -- Data Analytics / scrapping / mining / manipulation. -- -- Security solutions (encryption) for Windows/Web/Android/iOS technologies. -- SCORM compliant Content / Application development and delivery expertise . Believe in a Systematically Heuristic & a Radically Evolved Approach and Logic. Proactive, result-focused and analytic IT Professional and Software Developer. Committed with costumers to execute effective solutions on time and under the budget. Business Analysis and Requirements Gathering: comprehensive skills to analyse and collect business requirements, define objectives and project scope. Project Planning, Execution and Leadership: high experience in project planning with knowledge of resources management and budgeting. Team player with adaptability and leadership to achieve commons goals. Product management: comprehensive skills managing customer’s accounts, developing proposals of IT services for clients and leading efforts in order to expand highly profitable services portfolios. Proven skills to create and analyse highly detailed MS Excel reports of sells, costs and profits. Please do not hesitate to contact me to discuss your project in detail and determine how my skills will positively contribute to your team.

Available to start immediately. I build and fix real .NET & C# software. Click on Invite button to start conversation I’m a .NET Developer and C# Developer with 13+ years of experience working on production systems built in C#/.NET. Most of my work is focused on helping teams make their existing software more stable, scalable, and easier to evolve without risky rewrites. I’ve worked in long-term roles as a C#/.NET developer, often joining projects where the codebase already exists and needs structure, performance improvements, or careful modernization. 🧠 How clients usually come to me Very often, teams reach out to me as a .NET developer when they already have a product written in C#/.NET, but something isn’t working as it should. Changes are slow, bugs appear in unexpected places, or the architecture feels fragile. In those cases, I step in as a C# .NET Developer who understands how real systems grow over time and how to improve them without breaking production. Depending on the scope, I work either as a backend developer focused on logic and performance, or as a .NET Full Stack Developer when both backend and UI decisions need to be handled together. ⚙️ What I do in real projects Day to day, my work as a .NET Developer is very practical. I write and refactor C#/.NET, clean up .NET architecture, improve async flows, and make sure the application behaves predictably in production. In many projects, this naturally turns into .NET full stack work handling backend services, APIs, and UI integration where I step in as a .NET Full Stack Developer. When teams want a modern .NET Full Stack direction without splitting the codebase, I build new features or full applications using .NET MAUI/WPF/WinForms. I’ve worked with .NET apps both for new products and for migrations from older stacks like, where stability matters more than speed. 🧩 Types of systems I’ve worked on Over the years, I’ve worked as a .NET Developer, across different environments: 💻 Desktop software written in C#/.NET 🌐 Web platforms where I worked as a full stack developer on .NET backends 📱 Cross-platform apps built with .NET MAUI (Windows & Android only) 🧱 Larger products that required a true full stack developer approach 🔗 Mixed systems where .NET AI integration was part of the stack 🎮 Internal tools and simulators developed with C# 🤖 Careful use of .NET AI where it actually added value In several projects, I worked in React .NET setups, connecting React frontends to .NET backends while keeping responsibilities clean and clear. 🛠️ How I work with teams and data I’m comfortable joining existing teams and reading unfamiliar C#/.NET codebases. I focus first on understanding why decisions were made, then improving things step by step. I regularly work with SQL server, collaborate with Azure Data Engineer roles, and support data-heavy systems where performance & reliability are critical. This mix of responsibilities often places me in a .NET Full Stack Developer role even when the original task starts as pure backend work. 🛠️ Tech Stack .NET Framework, .NET 6 / 8 / 9 / 10 App Development - WPF, WinForms, WinUI, Blazor, .NET MAUI, MVVM Concurrency & Performance - Multithreading, async/await, Task Parallel Library Hardware & Protocols - Serial, Bluetooth LE, TCP/IP, UDP, RS232, RS422 Architecture & Quality - Clean Architecture, OOP, refactoring, performance tuning Security & Testing - Unit testing, Polaris, Coverity, SAST, DAST, threat modeling Data & Cloud - SQL Server, Azure Tooling - Visual Studio, VS Code, GitHub, GitHub Actions, Docker ✅ Why clients choose to work with me ✨ I think like a long-term .NET Developer, not a short-term task runner ✨ I write C# code that other C# developers can actually maintain ✨ I’m comfortable owning systems as a .NET Full Stack Developer ✨ I communicate clearly and avoid surprises ✨ I leave .NET full stack codebases cleaner and more stable than I found them 📌 Availability ✅ Available now 🌍 Remote-only ⏱️ Open to long-term collaboration If you’re looking for a .NET Developer, who can step into an existing system and improve it safely let’s chat. 👉 Send a message and we’ll review your setup together.

I help engineering firms, manufacturers, and businesses automate complex workflows through software development, CAD automation, and AI-powered systems. Unlike most developers, I bring 15+ years of professional Civil Engineering experience combined with deep software development expertise. I understand drawings, engineering standards, design workflows, technical documentation, and the operational realities behind engineering projects. My work focuses on delivering production-ready solutions that save time, reduce errors, and automate repetitive processes. What I Do CAD & Engineering Automation • AutoLISP / Visual LISP Development • AutoCAD & ZWCAD Customization • VBA Automation • Drawing Cleanup & Standardization • Block & Attribute Automation • Batch Processing Tools • CAD Standards Enforcement • Legacy Script Debugging & Modernization • Engineering Workflow Automation • AI-Assisted Drafting Systems Software Development • Python Development • JavaScript / TypeScript • React, Node.js, Express, MongoDB (MERN) • REST API Development & Integration • Desktop & Web Applications • Database Design • Data Processing & Automation • Business Process Automation • Custom Internal Tools • Performance Optimization Systems Programming • Compiler Development • Interpreter Development • Language Processing Tools • Parsing & Code Analysis • Algorithm Design & Optimization • Technical Problem Solving AI & Agentic Systems • Claude API Integration • OpenAI API Integration • Claude Code • OpenAI Codex • Custom MCP Servers • Custom Skills Development • Retrieval-Augmented Generation (RAG) • Agentic Workflows • n8n Automation • AI Application Modernization • Multi-Agent Systems Recent Project Types • AutoCAD automation tools that reduce hours of manual drafting work to minutes • Custom engineering workflow systems • Compiler and interpreter implementations • AI-powered engineering assistants • Document and file processing automation • Business workflow automation platforms • Custom web applications and internal tools • CAD standards enforcement systems • Data extraction and transformation pipelines • LLM-powered applications using modern AI stacks Why Clients Hire Me • 15+ years of real engineering experience • Strong software engineering fundamentals • Ability to understand complex technical domains quickly • Production-focused solutions, not demos • Clear communication and reliable delivery • Long-term maintainable code • Available 30+ hours per week

Are you looking for a senior .NET developer who can turn complex business requirements into reliable, scalable software? I’m Zeeshan, a full-stack .NET and Cloud Developer with 🏆 10+ years of experience building SaaS products, modernizing legacy systems, and delivering business-critical applications. I help companies build secure ASP.NET/C# platforms, REST APIs, SQL Server solutions, AWS deployments, SharePoint workflows, and low-risk batch-data migrations. I also understand the requirements of regulated applications, including 21 CFR Part 11 considerations such as audit trails, role-based access, electronic records, validation, and data integrity. *What I Can Deliver* ✅ End-to-end SaaS application development—from architecture to deployment ✅ Scalable ASP.NET and C# web applications ✅ Secure REST APIs and third-party integrations ✅ SQL Server architecture, query optimization, and database maintenance ✅ Batch-data migrations with validation and minimal disruption ✅ AWS deployment, infrastructure, monitoring, and cost-aware operations ✅ SharePoint solutions that streamline collaboration and business processes ✅ Legacy .NET modernization to improve performance, stability, and maintainability ✅ Software features for 21 CFR Part 11–aligned regulated environments Technical Focus Backend: C#, .NET, ASP.NET, REST APIs, integrations SaaS & Cloud: multi-tenant application architecture, AWS deployment, monitoring, and scalability Data: SQL Server design, optimization, migrations, validation, and data integrity Enterprise & Compliance: SharePoint, role-based access, audit trails, and regulated-system workflows I focus on the business problem first, then deliver practical, maintainable solutions with clean code, transparent communication, and long-term reliability in mind. If you need a SaaS product, a secure .NET application, AWS deployment, SQL optimization, SharePoint development, a compliant workflow, or a complex migration, let’s discuss your project.

I help individuals, startups, SMBs, and enterprises build reliable, scalable, and user-friendly .NET applications. With 12+ years of experience in custom software development, I specialize in transforming ideas into high-performing desktop, web, and mobile solutions that drive measurable business results. ➜ 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐟𝐨𝐫 𝐘𝐨𝐮 You’ll get more than just coding support — I ensure your software is: • Reliable & Scalable → Built on robust .NET architecture. • User-Friendly → Clean UI/UX for smooth adoption. • Future-Proof → Modern technologies and maintainable code. • On-Time → Agile approach with frequent updates and demos. ➜ 𝐌𝐲 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • Desktop Apps: WPF, WinUI 3, UWP • Mobile Apps: Xamarin, MAUI • Backend & Frameworks: .NET Core, .NET 5/6/8, .NET Framework (3.5+) • Architectures: MVVM, MVC, PRISM, Singleton, n-Tier, Dependency Injection • Databases: SQL Server, SQLite, MySQL, Oracle • Integrations: Google APIs, Social APIs (Facebook, Twitter, LinkedIn) • UI/Controls: DevExpress, SyncFusion, Telerik ➜ 𝐖𝐡𝐨 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 • Startups looking to launch MVPs • SMEs modernizing legacy systems • Enterprises needing robust desktop, web, or mobile apps • B2B & B2C businesses seeking tailored software solutions ➜ 𝐌𝐲 𝐏𝐫𝐨𝐜𝐞𝐬𝐬 1. Understand your goals & requirements 2. Propose the most effective technical approach 3. Share similar past work & align expectations 4. Start with a pilot milestone (risk-free) 5. Provide regular updates, demos, and post-deployment support ➜ 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 • Top Rated Plus on Upwork with 100% Job Success Score • Client-Centric Approach: clear communication, flexible engagement • Confidentiality Assured: NDA & secure contracts • Proven Track Record: worked with startups and global enterprises • Easy Collaboration: available via Skype, Teams, Slack, Zoom I’m not just a developer—I’m a partner in your project’s success. My commitment to understanding your goals and providing ongoing support reflects my dedication to achieving the best outcomes for you. Let’s work together to create something extraordinary. Updating an existing app, or building something from the ground up — drop me a message, it is free to talk it over.