AI enabler | Principal architect & engineer Hello and welcome, I’m Hardik Mistry, a former Microsoft MVP with 15+ years of experience designing, scaling, and securing AI-powered and cloud-native systems for startups and Fortune 500 companies. I specialize in helping organizations adopt AI responsibly, modernize infrastructure, and optimize costs while ensuring performance, reliability, and security. From building real-time data platforms to deploying LLM-powered applications, my mission is simple: deliver solutions that scale and generate measurable business impact. WHAT I DELIVER • AI-Powered Systems → Chatbots, copilots, and enterprise AI agents using Azure OpenAI, Cognitive Services, and custom LLMs • Cloud Architecture at Scale → High availability (HA/DR), containerization, multi-region deployments, and cloud migrations • Performance Engineering → Low-latency backend design handling 100K+ concurrent users • DevSecOps Enablement → Tooling, automation, and security for engineering teams of any size • FinOps & Cost Optimization → Helping enterprises cut cloud spend without sacrificing performance INDUSTRIES SERVED FinTech, Healthcare, eCommerce & Retail, EdTech, Fashion, Customer Support Platforms TECH STACK EXPERTISE • Cloud & AI: Microsoft Azure, Azure OpenAI, Cognitive Services, AWS (intermediate) • Architecture: HA/DR, Cloud Migration, Multi-tenant SaaS, Event-driven systems • Engineering: C# .NET, Node.js, Dapr, APIs, IoT, Xamarin, MAUI • Data & Monitoring: ElasticSearch + Kibana, Prometheus, Azure AppInsights • DevOps & Security: Azure DevOps, GitHub Actions, Container Apps, Azure Defender HIGHLIGHT PROJECTS • AI Chatbot for a top lending company in Australia (Azure Cognitive Services + OpenAI) • Real-time IoT Data Pipeline with less than 200ms latency into Azure • EV Charging Backend built on OCPI protocols • Boosted productivity for 40+ engineers by driving DevOps adoption on Azure • Architected a SaaS customer support/sales tool (similar to ZenDesk/Pipedrive) • Performance engineering for scalable backend serving 100K+ concurrent users • Implemented enterprise HA/DR strategies ensuring SLA compliance WHY CLIENTS HIRE ME • Proven track record with Fortune 500 companies and high-growth startups • Unique blend of AI expertise, cloud architecture, and enterprise engineering • Ability to translate technical complexity into business outcomes • Hands-on mentorship and leadership for engineering teams If you’re looking to scale AI initiatives, modernize cloud infrastructure, or reduce cloud costs while improving performance — let’s connect. I typically respond within 24 hours.

🚀 🥇 Top Rated Plus Engineer | Full Stack & Mobile | AI/ML, MLOps, AWS, Azure & Enterprise ETL I am Haziq, and I connect user applications to state-of-the-art neural architectures and cloud infrastructure seamlessly. With more than 40 enterprise systems built and delivered successfully on Upwork, along with 100% Job Success Score and Master’s Degree in Engineering, I design robust solutions that make difficult business logic easier. Unlike other developers that create only the simple front ends or simply wrap APIs for ChatGPT, I develop the whole system - from highly efficient web and mobile user interfaces to sophisticated multi-turn reasoning systems, customized neural networks, and extensive data ingestion pipelines on AWS and Microsoft Azure. ✅ What I Offer: • Full Stack & Mobile Engineering: Fully functioning web apps, efficient mobile app architecture, and responsive front end with integrated user interface with backing of powerful back end services. • AI Agent Building & Conversational AI: Self-driving agents with structured reasoning capabilities, memory, tools calling, and fast voice bots (n8n, Vapi, Retell AI, Twilio). • MLOps & Cloud Infrastructures: Full model training pipeline, automated versioning system, and deployment of models to be highly available on AWS and Microsoft Azure. • Data Science & Neural ETL: Fast automatic extraction of data, complex data cleaning pipeline, structural data analysis, and custom NNUE model training. 🎯 Production Accomplishments: • Designed production-ready multi-tenancy full stack platform architectures and automated backend infrastructures supporting webhooks and multi-tool synchronization of high throughput. • Designed custom workflow processes for training of NNUE neural network models for variant chess engines evaluations. • Implemented scalable ETL processes for past financial trading histories, automating data extraction, data cleansing, and storing vectors/database data. • Designed low-latency AI voice agents (Vapi/Retell AI) with integration to Twilio and GoHighLevel for automating workflows like humans do. • Improved and deployed open source Diffusion architecture-based image-to-image Virtual Try-On (VTON) API platforms. 💼 Technical Stack & Frameworks: • Core Programming: Python, JavaScript, Node.js, TypeScript, SQL • Front-End & Mobile: Web Application Development, Full-Stack Architecture, Mobile Integration UI • AI & Automation: Generative AI, Prompt Engineering, Large Language Models (LLMs), LangChain, n8n, Vapi, Retell AI, AI Bot Systems • Data Engineering & ML: MLOps, Data Science, Data Extraction, ETL Pipelines, Data Analysis, Retrieval Augmented Generation (RAG), Neural Networks • Cloud & Ecosystems: AWS (SageMaker, Lambda, ECS), Microsoft Azure, Supabase, Pinecone, PostgreSQL 🌟 What Makes Me Unique: I am extremely solution-driven and incredibly accountable for results. Not only do I code application logic or interface with APIs, but the whole product development process is my engineering challenge. Be it implementing a responsive mobile view, using data science to clean the messy historical datasets, or deploying an MLOps pipeline in the cloud with 99.9% uptime, I build systems that work. 📋 Services I Provide: • End-to-end Full Stack web and mobile application development • Scalable ETL pipeline design, high-volume data extraction, and deep statistical data analysis • Production ML pipeline development (MLOps) and deployment on AWS/Azure infrastructure • End-to-end n8n workflow setup, AI bot development, and multi-tool CRM integration • Custom Vapi & Retell AI voice agent development and low-latency conversation tuning • NNUE model training, custom tokenization, and chess engine variant mapping • AI SaaS MVP development from database architecture to secure production delivery 🤝 Working With Me: I take great emphasis on being very transparent, writing clean code and having dependable execution. I am good at converting difficult to define business cases into highly reliable automation. I can be there to provide technical consultation, implementation of solutions, and even support services. Are you ready to create your next high-performance software or increase efficiency of your business operations using top-notch machine learning algorithms? Just send me an invite or message. Keywords: Python, Generative AI, Prompt Engineering, Artificial Intelligence, Machine Learning, Data Extraction, ETL Pipeline, Data Analysis, Large Language Model, AI Agent Development, AI Bot, Microsoft Azure, AWS, Data Science, MLOps, Full Stack, Mobile Engineer, n8n, Vapi, LangChain, Conversational AI, SaaS Development, Chatbot Development.

Hi, I’m Rohit Mathur, a Senior DevOps Engineer and Cloud Architect trusted by startups and enterprises to build cloud-native, secure, and high-performance infrastructure. I design scalable, compliance-ready systems that handle real-world load — from early-stage startups to enterprise platforms processing millions of users and 100M+ API requests. I also specialize in AI/ML infrastructure, including NVIDIA GPU workloads, CUDA, Kubeflow, and production-grade inference pipelines, helping teams run ML systems reliably at scale. ✅ WHAT I DO (Quick Scan) • Cloud Architecture — AWS, Azure, GCP, Oracle • Infrastructure as Code — Terraform, CloudFormation, Ansible • Kubernetes at scale — EKS, AKS, GKE, OpenShift • CI/CD & automation — GitHub Actions, GitLab CI, Bitbucket Pipelines, Jenkins, ArgoCD, Harness • DevSecOps & security — SonarQube, SAST, DAST, IaC scanning • Compliance frameworks — SOC2, HIPAA, PCI-DSS, GDPR • High-traffic systems — SaaS, CPaaS, FinTech, Blockchain • AI / ML & GPU workloads — NVIDIA, CUDA, vLLM, Kubeflow, MLflow 🏭 INDUSTRIES I’VE WORKED IN • Startups (early-stage to scale-up) • Enterprise platforms • Banking & FinTech (secure, compliant systems) • Healthcare (HIPAA-aligned infrastructure) • Government & regulated environments • CPaaS / Telecom (high-volume traffic) • AI / ML platforms • Blockchain & Web3 📈 SCALE & IMPACT • Designed and operated 100+ SaaS & enterprise infrastructures • CPaaS platforms handling 100M+ API requests per month • Blockchain platforms serving 1M+ users • Production AI systems with GPU-backed inference at scale 🤝 HOW I WORK I work directly with CTOs, founders, and engineering leaders. I don’t just “set things up.” I take ownership of infrastructure, focusing on: • Stability and performance • Security and compliance • Cost control and FinOps • Scalability under real traffic • Long-term maintainability 📩 LET’S TALK Send me: • Your cloud provider • Your current scaling, security, or compliance challenge I’ll tell you exactly how I’d approach it — clearly and honestly.

Transform your deployment chaos into automated excellence. We help startups and enterprises shift from manual, error-prone deployments to fully automated CI/CD pipelines ✅ achieving 99.9% uptime, ✅ 85% faster deployments, and ✅ zero-downtime releases. DevOps Services → CI/CD Pipeline Implementation From GitHub Actions and GitLab CI to Jenkins and CircleCI - we design pipelines that eliminate deployment bottlenecks. Our clients have seen 4X faster release cycles and complete elimination of failed deployments. → Containerization & Orchestration Docker, Kubernetes (EKS, AKS, GKE), and Helm-based deployments that scale automatically. We've helped clients reduce infrastructure costs by 40% while improving load times by 70%. → Cloud Infrastructure Management Multi-cloud expertise across AWS, Azure, and Google Cloud Platform. Infrastructure-as-Code with Terraform and Ansible ensures reproducible, secure, and cost-optimized environments. → Reliability, Backup & Disaster Recovery Automated backup systems with 10X faster recovery times. We implement comprehensive disaster recovery strategies that have achieved 99.99% uptime and 87% reduced recovery times for production systems. 🎯 Why Work With Us? ✓ 12 years of Market presence ✓ 40+ hours/week availability with <2 hour response time ✓ Certified coders and business managers ✓ Free initial consultation & assessment ✓ Post-launch support Message Me To Schedule a Meeting.

Top Rated Plus | Microsoft Certified Power Platform Solution Architect Expert (PL-600) 100% Job Success | $80K+ Earned | 15+ years of experience in Microsoft Dynamics Implementations What if your business could automate, analyze, and scale without added complexity? I help organizations design and implement complete Power Platform solutions that enhance efficiency and deliver measurable results. With hands on experience in Microsoft Dynamics 365, Power Platform, and .NET, I’ve worked with top MS partners like PowerObjects, delivering full-cycle implementations from concept to release. Dynamics 365 CE & Business Central | Power Platform (Power Apps, Power Automate, Power Pages, Copilot Studio) | Custom Plugins, PCF Controls, C#, Web API | Azure Integration (Logic Apps, Service Bus, Azure Functions) | AI Builder & GPT Integration | Dataverse | SQL If you need a trusted professional who combines technical precision with a clear business vision, let’s build your next solution right. Dynamics 365 | Power Platform | Power Apps | Power Automate | Power Pages | Copilot Studio | AI Builder | Dataverse | Model-Driven Apps | Canvas Apps | Power BI | C# | .NET | PCF Controls | Custom Plugins | Web API | REST API | Azure Integration | Logic Apps | Azure Functions | Service Bus | SQL Server | SharePoint | Workflow Automation | Document Automation | Chatbot Development | Business Process Automation | CRM Implementation | ERP Consulting | Portal Development | AI Integration | GPT Integration | Digital Transformation | Healthcare CRM | Fintech Automation | Field Service Management | Customer Service Automation | Sales Automation | Enterprise Architecture | Solution Architecture | IT Consulting

Hello and welcome - when it comes to building scalable cloud systems, I believe in getting it right the first time, because the proof is always in the pudding. I'm a Senior Cloud & Full-Stack Engineer with experience building secure, scalable, and production-grade applications using .NET, Python, and Node.js across Microsoft Azure and AWS environments. I focus on developing systems that are reliable, maintainable, and designed to support real operational workflows, high transaction volumes, and long-term growth. My background includes SaaS platforms, cloud-native backend systems, API integrations, payment workflows, and modern web applications. I've worked on projects involving subscription billing, operational dashboards, third-party integrations, automation workflows, and multi-tenant architectures while helping teams improve scalability, deployment reliability, and overall system maintainability. Core Expertise Full-Stack & API Engineering - ASP.NET Core / .NET Web API - Python (FastAPI, Django) - Node.js (NestJS, Express) - React, Next.js, Angular - Microservices & distributed system architecture - RESTful API design & implementation - Secure authentication & authorization (OAuth2, JWT, RBAC) - Clean architecture & scalable code structure Cloud Engineering & DevOps - Azure (App Services, Functions, Cosmos DB, Storage, Service Bus, Key Vault) - AWS (EC2, Lambda, S3, RDS, API Gateway, IAM, CloudWatch) - Serverless and event-driven architectures - CI/CD pipeline implementation - Docker & containerized deployments - Infrastructure scalability & performance optimization - Monitoring, logging, and reliability engineering API, AI & Payment Integrations - Third-party API integrations - AI API integrations and automation workflows - Stripe, PayPal, Square payment systems - Subscription billing & recurring payment workflows - Marketplace and multi-tenant payment models - Secure transaction processing - Webhooks & event-driven communication systems I focus on building systems that are: - Secure and reliable - Scalable and maintainable - Optimized for cloud performance - Structured for long-term growth I value clear communication, practical problem-solving, and delivering systems that support both technical stability and business operations.

AWS Cloud Security Architect & DevSecOps Engineer specializing in Kubernetes, AWS, GCP, and Azure. I help SaaS and fintech companies secure cloud infrastructure, reduce costs, and pass security audits without slowing down development. I’ve secured 1500+ nodes, reduced cloud costs by up to 40%, and helped teams pass critical security audits. With 10+ years of hands-on experience across cloud, security, networking, and DevSecOps, I operate as a senior-level architect and stay hands-on through implementation when needed. Clients bring me in when the stakes are high and mistakes are expensive. I typically identify critical issues and improvements within the first few days of engagement. ✅ How I Help Teams Win Clients bring me in when they need to: • Reduce cloud spend by 20–40% without performance trade-offs • Pass security reviews and audits faster • Design secure-by-default architectures that scale with growth • Untangle complex or over-engineered cloud environments • Enable faster releases while strengthening security posture 🔐 Cloud Security Architecture (Built for Real-World Use) I design production-grade cloud security architectures that protect critical workloads without blocking developers, including: • Zero-trust and defense-in-depth security models • IAM strategy, least-privilege access, and network segmentation • WAF and edge security tuned for real traffic and threats • Security reviews aligned with best practices and compliance needs ☁️ Cloud Architecture, Migrations & FinOps I’ve led multiple successful migrations and re-architectures across AWS, GCP, and Azure for growth-stage and enterprise teams. • Secure, scalable multi-account / landing-zone design • Cloud migrations with zero downtime • Infrastructure as Code using Terraform • Cloud cost optimization and FinOps best practices 🚀 DevSecOps & CI/CD Enablement I embed security into CI/CD pipelines so teams can ship faster without increasing risk. • Secure CI/CD pipelines (GitLab-based workflows) • Kubernetes security hardening and workload protection • Automated security checks and policy enforcement • Reduced operational friction between security and engineering 🌐 CDN, WAF & Edge Security Optimization I help teams improve performance while protecting applications at scale. • CDN caching strategies to reduce latency and load times • WAF configuration and tuning • Protection against OWASP threats, bots, and DDoS attacks 🏆 Proven Results • Reduced cloud infrastructure costs by ~30% within 60 days • Designed secure, multi-region architectures for high-traffic platforms • Enabled smoother audits and faster security approvals • Delivered migrations with improved performance and reliability 🤝 How I Typically Work Most engagements start with a focused cloud security or architecture audit, followed by a clear action plan. I’m a strong fit if you are: • A SaaS or cloud-native company preparing to scale • A fintech or security-sensitive platform • A team facing audits, security reviews, or cloud cost pressure 📩 Next Step Send me a message with your current setup or challenge — I’ll outline the fastest way to improve it.

My extensive experience includes Microsoft 365 migration, Technical Support, Infrastructure Management, Cloud Computing, and Network/System Engineering. I am proficient in a wide range of products and technologies, including ✅ Microsoft Exchange Server [All Versions] Exchange SE and Exchange Online ✅ Migrate Microsoft 365 workloads such as Exchange Online, SharePoint Online, Teams, and OneDrive using Bittitan MigrationWiz. ✅ Microsoft 365 (Office 365) Tenant to Tenant migration (Email, Teams, OneDrive, and SharePoint) ✅ Google Workspace to Microsoft 365 migration ✅ Deploy and optimize Azure Virtual Desktop (AVD) ✅ Remote Desktop Services (RDS) ✅ Microsoft Windows Active Directory [All Versions] ✅ Microsoft Windows Server [All Versions], DNS, IIS ✅ Windows Server Remote Access VPN (SSTP, PPTP) and DirectAccess ✅ Hyper-V [All Versions] ✅ Microsoft Azure Backup Server (MABS) & Microsoft Azure Recovery Services (MARS) ✅ SharePoint [All Versions] ✅ Microsoft SQL [All Versions] ✅ Windows 7/8.1/10/11 . I hold several industry certificates, including Microsoft Microsoft Certified for the following titles. ⚡️Microsoft® Certified: Azure Virtual Desktop Specialty ⚡️Microsoft® Certified: Azure Solutions Architect Expert ⚡️Microsoft® Certified Azure Administrator Associate ⚡️Microsoft® Certified Solutions Expert: Productivity ⚡️Microsoft® Certified Solutions Associate: Windows Server 2016 ⚡️Microsoft® Certified Solutions Expert: Exchange Server ⚡️Microsoft® 365 Certified: Teams Administrator Associate ⚡️Microsoft® Certified Solutions Associate: Office 365 ⚡️Microsoft® Certified Solutions Expert: SharePoint 2013 ⚡️Microsoft® Certified Solutions Associate, Windows Server 2012 ⚡️Microsoft® Certified IT Professional (MCITP) Enterprise Administrator: Windows Server 2008 If you're looking for a reliable and experienced Infrastructure and Cloud Solutions Architect who can deliver results, please don't hesitate to get in touch. I look forward to the opportunity to work with you. Key Points Over 20 years of experience as an Infrastructure and Cloud Solutions Architect with Microsoft Certified Solutions Expert (MCSE) credentials. Deliver high-quality technical solutions and support with a strong focus on long-term client relationships and continuous value. Full-time independent consultant passionate about helping businesses navigate the digital landscape. Open to short-term, long-term, and ad-hoc projects, offering tailored solutions based on individual client needs.

Experienced System Administrator with comprehensive expertise in managing, maintaining, and optimizing complex IT infrastructures. Specialized in enterprise-level server administration, cloud computing, and implementing robust security solutions. Committed to delivering reliable, scalable, and cost-effective IT solutions that align with business objectives. --- CORE COMPETENCIES -- System Administration: - Windows Server Administration (2012/2016/2019/2022) - Linux Server Management (RHEL, CentOS, Ubuntu, Debian) - Active Directory, DNS, DHCP, Group Policy Management - User Account Management and Access Control - System Performance Tuning and Optimization -- Cloud Infrastructure: - Amazon Web Services (AWS) - EC2, S3, RDS, VPC, IAM - Microsoft Azure - VMs, Storage, Azure AD, Networking - Google Cloud Platform - Compute, Storage, Networking - Cloud Migration and Hybrid Cloud Implementation - Cost Optimization and Resource Management -- Virtualization & Containerization: - VMware vSphere, ESXi, vCenter - Microsoft Hyper-V - Docker and Kubernetes - Container Orchestration and Management - Virtual Machine Deployment and Maintenance -- Network Administration: - Network Configuration and Troubleshooting - Firewall Configuration and Management - VPN Setup and Administration - Load Balancing and High Availability - Network Security and Monitoring --- TECHNICAL EXPERTISE - Operating Systems: Windows Server, Linux (Multiple Distributions), Unix, macOS - Database Systems: MySQL, PostgreSQL, Microsoft SQL Server, MongoDB, MariaDB - Web Servers: Apache, Nginx, IIS, Tomcat, LiteSpeed - Monitoring Tools: Nagios, Zabbix, Prometheus, Grafana, DataDog, New Relic - Backup Solutions: Veeam, Acronis, Bacula, AWS Backup, Azure Backup - Automation Tools: Ansible, Terraform, PowerShell, Bash Scripting, Python - Security Tools: Firewall Management, SSL/TLS, VPN Technologies, Security Auditing - Collaboration: Microsoft Exchange, Office 365, Google Workspace --- SERVICES PROVIDED -- Infrastructure Setup & Configuration - Server deployment and initial configuration - Network architecture design and implementation - Storage solution setup (SAN/NAS/DAS) -- Maintenance & Support - 24/7 system monitoring and alerting - Regular maintenance and updates - Performance optimization and troubleshooting - Incident management and resolution -- Cloud Services - Cloud migration planning and execution - Multi-cloud environment management - Cloud cost optimization - Disaster recovery setup -- Security Implementation - Security assessment and hardening - Backup and recovery strategy - Compliance management - Access control and authentication -- Documentation & Reporting - System documentation and runbooks - Regular performance reports - Capacity planning reports - Incident and change management documentation --- PROJECT EXPERIENCE - Successfully managed IT infrastructure for organizations ranging from startups to enterprises - Implemented high-availability solutions achieving 99.9% uptime SLA - Executed seamless cloud migrations with zero data loss - Designed and deployed disaster recovery solutions - Automated routine tasks reducing manual intervention by 70% - Optimized infrastructure costs resulting in 30-40% reduction in IT expenses --- PROFESSIONAL APPROACH -- Planning & Analysis - Thorough assessment of current infrastructure - Identification of improvement opportunities - Strategic planning aligned with business goals -- Implementation - Methodical deployment following best practices - Minimal disruption to business operations - Comprehensive testing and validation -- Support & Optimization - Proactive monitoring and maintenance - Continuous improvement initiatives - Regular performance reviews and optimization --- CERTIFICATIONS & QUALIFICATIONS - Microsoft Certified: Azure Administrator Associate - AWS Certified Solutions Architect - CompTIA Server+ and Network+ - ITIL Foundation Certified - Red Hat Certified System Administrator (RHCSA) --- AVAILABILITY & TERMS -- Engagement Types: - Hourly consultations - Fixed-price projects - Monthly retainer agreements - Emergency support services -- Communication: - Daily status updates - Weekly progress reports - Available via Upwork messages, email, Slack - Video conferencing for meetings -- Working Hours: - Flexible schedule across time zones - Emergency support available 24/7 - Response time within 2-4 hours -- WHY WORK WITH ME: Proven Track Record: Extensive experience managing diverse IT environments Reliable & Responsive: Quick turnaround times and consistent communication Cost-Effective Solutions: Focus on ROI and operational efficiency Security-First Approach: Emphasis on data protection and compliance Documentation: Comprehensive documentation for all implementations Knowledge Transfer: Training and support for your team Contact me today to schedule a consultation and take the first step toward optimizing your IT infrastructure.

SUMMARY Experience of over 20 years in the Information Technology space starting from DataCentres in the first ten years to AWS & Azure Cloud as a seasoned contractor providing automation, Digital Transformation, Migration, Optimization, Continuous integration and Information security for the last 9 years. I have worked in different capacities facilitating clients. Some of those are Platform Engineer, DevOps, DevSecOps, DevOps lead, DevOps Manager, Tech Lead, SME and Consultant in the industry. I pride myself on the technical breadth and depth capability reflecting on the committed passion I hold for the industry. QUALIFICATIONS Amazon Web Services AWS * AWS Solutions Architect Professional * AWS DevOps Engineer Professional * AWS Solutions Architect Associate * AWS SysOps Administrator Associate * AWS Cloud Practitioner Microsoft Azure * Azure Cyber Security Architect Expert * Azure 305 Solutions Architect Expert * Azure 400 DevOps Engineer Expert * Azure 500 Security Engineer Associate * Azure 104 Administrator Associate * Azure 204 Developer Associate * Azure 900 Data Fundamentals