Hire the Best XSL Specialists in Lahore, PK

I build production-grade AI voice systems and scalable backend platforms. I’m a Senior Full Stack Developer and AI Automation Specialist with hands-on experience designing and running real-world AI infrastructure, including my own platform FreeAIVoice, where I developed and deployed: GPU-based Text-to-Speech (TTS) systems Speech-to-Text pipelines using Whisper Voice cloning and multilingual voice systems High-performance FastAPI services with queue-based processing Scalable backend architecture using .NET Core, SQL Server, MongoDB, and Redis What I Can Do For You AI Voice & Speech Systems Text-to-Speech (TTS) using Coqui XTTS, Kokoro, ElevenLabs Speech-to-Text (STT) using Whisper Voice cloning & multi-speaker systems Audio generation pipelines (high throughput, GPU optimized) Streaming or batch audio APIs Backend & API Development FastAPI (Python) high-performance APIs ASP.NET Core / MVC enterprise applications REST API design with authentication, rate limiting, usage tracking Queue-based systems (MongoDB / Redis) Multi-threaded and multi-GPU processing systems Database & Performance Optimization SQL Server (DBA-level optimization, stored procedures, indexing) MongoDB (aggregation pipelines, queue systems) Redis caching for high-speed systems Query optimization for large-scale datasets System Architecture & Scaling AI system design (end-to-end pipelines) GPU workload optimization (parallel processing) Load balancing across multiple servers Docker & Linux (Ubuntu) deployment Cloud + on-prem hybrid systems Real Experience (Not Just Theory) I don’t just experiment — I build real systems. Developed and running FreeAIVoice platform Built multi-threaded TTS system with 2000+ audio generations per minute Designed scalable queue-based architecture for AI workloads Integrated AI into production SaaS systems (telephony & automation) Why Work With Me? I understand both AI + real production systems Strong combination of .NET + Python + AI (rare skillset) Focus on performance, scalability, and reliability I think like a solution architect, not just a coder Let’s Talk If you're building: AI voice platform TTS / Speech system SaaS backend High-performance API I can help you design, build, and scale it properly. Skills Text-to-Speech (TTS) Speech-to-Text (STT) Whisper Coqui TTS FastAPI Python ASP.NET Core C# SQL Server MongoDB Redis REST API Development AI Development Machine Learning Deployment Docker Linux (Ubuntu) GPU Computing

I am an experienced Full Stack Developer with over 10 years of expertise in delivering high-quality, scalable, and efficient solutions. Specializing in .NET Core, C#, Entity Framework, ASP.NET ,React, Angular, SQL, provide custom development services to businesses ranging from startups to large enterprises. Core Competencies: ✅ Backend Development – .NET Core, C#, RESTful APIs, Microservices, Server-Side Logic ✅ Frontend Development – React, Angular, Next.js, Responsive Web Design ✅ Database Architecture – SQL Server, PostgreSQL, MySQL, NoSQL, Data Modeling, Query Optimization ✅ AI & Automation – OpenAI API, Natural Language Processing (NLP), Chatbot Development, Machine Learning ✅ UI/UX Development – DevExpress, Custom User Interfaces, Dynamic Dashboards, Cross-Platform Design ✅ Integrations & Cloud – Stripe, Payment Systems, Cloud Services, Third-Party Integrations Key Achievements: ✔️ Developed and deployed secure, RESTful APIs using ASP.NET Core, ensuring high scalability and performance for web applications. ✔️ Implemented Clean Architecture, CQRS, and Repository patterns to ensure the development of scalable, maintainable, and flexible codebases for large enterprise applications. ✔️ Developed a Windows desktop application that allows users to easily rename audio/video devices on Windows 10 and 11 systems, utilizing native Windows Device APIs for seamless integration. ✔️ Developed a Windows desktop application that runs as a background service, decrypting messages based on an encryption key, executing database queries, and returning the results in an encrypted format, which the client then decrypts and displays data in a grid. Let’s turn your ideas into reality. Reach out to me today! 📩 Regards, Urooj

# Solution Architect | .NET | AI Automation | n8n | Azure | Healthcare IT | SaaS Development Helping startups and enterprises build scalable software, AI-powered automation, and cloud-native solutions that deliver measurable business outcomes. I am a **Solution Architect** with **10+ years of experience** designing and delivering enterprise-grade applications using **.NET, C#, Azure, SQL Server, AI, and workflow automation**. My background includes leading development teams, architecting SaaS platforms, modernizing legacy systems, and building secure healthcare solutions that meet enterprise compliance standards. Today, I help businesses accelerate product development by combining modern software architecture with AI and intelligent automation. ## Core Expertise ### AI & Intelligent Automation * GPT-powered applications and AI agents * Prompt engineering and LLM integrations * AI workflow automation * Document processing and intelligent data extraction * AI copilots and business process automation ### n8n Workflow Automation * End-to-end workflow automation * API integrations and custom connectors * Webhooks and event-driven architecture * CRM and ERP automation * Email and notification workflows * Approval processes * Multi-step business workflows * Third-party SaaS integrations ### .NET & Software Architecture * ASP.NET Core * C# * REST APIs * Microservices * Clean Architecture * Domain-Driven Design (DDD) * Entity Framework * SQL Server * Performance optimization * Scalable SaaS platforms ### Cloud & DevOps * Microsoft Azure * AWS * Docker * CI/CD pipelines * Azure DevOps * GitHub Actions * Infrastructure optimization * Cloud migration * Application monitoring * Cost optimization ### Healthcare IT * HL7 FHIR * HIPAA-aware application design * ONC-certified healthcare platforms * EMR/EHR integrations * Secure healthcare data exchange * Compliance-focused architecture ## Selected Projects ### AI PR Reviewer for Azure DevOps Designed an AI-powered code review solution using GPT APIs that automated pull request reviews, reduced manual effort by approximately 70%, and improved development quality through intelligent review suggestions. ### AI Business Automation Platform Built intelligent automation workflows using n8n by integrating CRMs, databases, AI services, document processing, notifications, and approval workflows, significantly reducing manual operations and increasing team productivity. ### Healthcare SaaS Platform Architected enterprise healthcare solutions supporting secure patient data exchange, scalable cloud deployment, and compliance with modern healthcare interoperability standards. ## How I Can Help I work with startups, SMEs, and enterprises to: * Build scalable SaaS products from idea to production * Architect modern .NET applications * Develop secure REST APIs and microservices * Design AI-powered business applications * Implement n8n workflow automation * Integrate OpenAI, GPT, and other AI services * Modernize legacy applications * Optimize Azure and AWS infrastructure * Improve system performance and scalability * Lead technical architecture and engineering decisions ## Why Clients Work With Me * 10+ years of enterprise software engineering experience * Strong business-first architecture approach * Clear communication and transparent delivery * Focus on maintainable, scalable, and secure solutions * Proven experience leading technical teams and complex projects * Long-term mindset focused on business growth rather than just code Whether you need a **Solution Architect**, **Senior .NET Developer**, **AI Automation Consultant**, **n8n Expert**, or a technical partner to help bring your product to life, I can help you design, build, and scale solutions that create real business value. **Let's discuss your project and turn your ideas into reliable, scalable software.**

PKI & Digital Signatures / E-Signature specialist, having 11+ years experience in developing enterprise applications involving PDF, XML and CMS based Digital signatures, X509 Digital Certificates & PKI domain. PKI & Digital Signature Experience ------------------------------------------- - Bouncy Castle, IAIK - CAdES, PAdES, XAdES - SAML, OpenID, OAuth, SSL Client - OCSP, SCVP, Timestamping, LTANs - PKCS#1, PKCS#10, PKCS#11, SCEP, EST - Digital Signatures (PDF, XML), E-Signature - Microsoft CA, ADSS Server, Dogtag PKI, OpenSSL - HSM (Utimaco, Gemalto), Smart Cards, Amazon Cloud HSM, Azure Key Vault - SingPass, S/Mime integrations Languages & Technologies ---------------------------------- - Rabbit MQ - iText, PDFBox - Java, C#, Python - MS-SQL Server, MySQL, DB2 - Hibernate, SQL, IIS, Tomcat - Struts, Spring Boot, JPA1&2, JDBC - Amazon Web services, Amazon S3, Amazon SQS - JBOSS, Websphere, IBM LDAP, ITIM, TAM

As a 10 years experienced programmer in ASP.Net, MVC and Web API (Along with other Dot Net technologies), I have worked a lot of applications. My skills span ► Full stack web application development, starting from database up to html design. ► Expert in creating desktop applications using third party tools like devExpress, telrik, Aspose. ► Task automation and scheduling using window services. ► Data Import, Export and Synchronization. I have the following technical skills ► ASP.Net, ASP.Net MVC, ASP.Net Web API (Expert) ► C#, VB.Net (Expert) ► SQL Server 2008/12 (Development Expert) ► Win-form, window services, task scheduling (Expert) ► Razor, AngularJs, Html, Jquery, JSON ► SVN, Git (Expert), VSS ► Entity Framework, Linq-To-SQL (Expert to map complexities) ► API integration ► Crystal Reports and Aspose reports ► Paypal, Google Checkout, Authorize.Net Integration ► Optimistic and positive for long term relations

✅ 100% Job Success ✅ 5 Star client's Feedback ✅ High Client Recommendations Are you looking for a highly skilled .NET developer who specializes in web scraping, automation, and full-stack development? I have successfully built scalable solutions that automate lead generation, data collection, and seamless web applications using modern technologies. Come take a look at my work—I’m confident that my passion for technology and commitment to excellence can help bring your vision to life. 🌟 Key Expertise 🌟 ⦿ Full-Stack Development: Proficient in HTML, CSS, JavaScript, PHP (Laravel), and .NET MVC ⦿ Automation & Web Scraping: Creating efficient, scalable solutions for data scraping and lead generation ⦿ Optimized Web Solutions: Developing SEO-friendly, high-performance web applications with a focus on user experience ✔️ Tech Stack: Frontend: HTML, CSS, JS, React, Vue, Angular Backend: PHP (Laravel), .NET MVC, Node.js, Python Databases: MySQL, PostgreSQL, MongoDB Cloud & DevOps: AWS, Google Cloud, Azure, Docker SEO & Performance: Web Optimization, SEO Testing: Unit, Integration, End-to-End UI/UX: User-Centric Designs Project Management: Agile, JIRA ✔️ Web Scraping: Extraction: Selenium, BeautifulSoup Automation: Scalable scraping solutions Ethical Scraping: Compliance with terms of service ✔️ Tools & Communication: IDE & Debugging: PhpStorm, Xdebug Version Control: GitLab, Bitbucket Collaboration: Slack, Google Meet, Zoom Project Management: JIRA, Trello, Hubstaff 🔹 WORK HISTORY & EXPERIENCE ✅ BizBox Inc. – Developed a branded e-commerce site with a referral system. ✅ Frase.io SEO Automation – Automated SEO content generation using AI and web scraping. ✅ VVS-EKSPERTEN (Denmark) – Built an e-commerce platform with GraphQL & Magento. ✅ Email Extraction (Spain) – Scraped restaurant emails for outreach using Python & Selenium. ✅ Automated Job Lead Generation – Collected job listings from multiple platforms for targeted leads. ✅ Zillow Realtor Scraper – Extracted 300K+ realtor profiles using C# & Python, bypassing CAPTCHAs. 🌟 What My Clients Are Saying 🌟 "Kaleem is truly one of the best freelancers on Upwork. I challenged him with a complex task, and within hours, he delivered a functional solution. His knowledge, passion, and determination left me amazed. He is the perfect example of expertise and dedication. I’m excited to work with him again in the future. He assisted me in scraping content and extracting data from websites with the professionalism of a pro. 5 stars for him!" "Great Experience that I had with Kaleem ! He went above and beyond to make my automation /Scraper. He assisted me to get it rolling and also showed it to run it smoothly without issue. Fast delivery and great communication to understand my needs and request. Thanks and will definetely work with him Again !" 🔹 𝗖𝗘𝗥𝗧𝗜𝗙𝗜𝗖𝗔𝗧𝗜𝗢𝗡𝗦 🔹 🏆 Pathfinder of the Year 2023 – Awarded by Nexius Recognized for exceptional performance, innovation, and leadership in the development field.