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.

🌟 Top Rated Plus | 🌟 5-Star Feedback | 🌟 Top 1% on Upwork Hello! I am an experienced Cloud, DevOps, and Kubernetes Engineer with 8+ years of hands-on experience designing, deploying, securing, and optimizing scalable cloud infrastructure for production applications. I help startups, SaaS companies, and growing engineering teams build reliable, secure, cost-efficient, and highly available infrastructure across AWS, Azure, Google Cloud, and DigitalOcean. ✅ Key Achievements ✔️ Migrated 100+ customers from EC2-based infrastructure to Kubernetes, improving scalability, reliability, and deployment efficiency. ✔️ Designed and deployed production-grade applications for e-commerce, trading, job search, finance, SaaS, and AI-powered platforms. ✔️ Built scalable and highly available infrastructure for React, Node.js, Python, PHP, and containerized applications. ✔️ Implemented secure, automated CI/CD pipelines using GitHub Actions, GitLab CI/CD, Jenkins, CircleCI, and Bitbucket Pipelines. ✔️ Provided long-term DevOps support, monitoring, incident response, cost optimization, and production reliability improvements. ✔️ Successfully deployed and managed LiveKit infrastructure on AWS, GCP, and DigitalOcean for real-time audio/video applications. 🏅 Certifications 🏆 AWS Certified Solutions Architect 🏆 AWS Certified Developer Associate 🏆 HashiCorp Certified: Terraform Associate 🛠️ Core Expertise ☁️ Cloud Platforms AWS, Microsoft Azure, Google Cloud Platform, DigitalOcean ☸️ Kubernetes & Containers EKS, AKS, GKE, DigitalOcean Kubernetes, ECS, Docker, Helm, Kubernetes manifests, ingress controllers, autoscaling, service mesh basics, and production cluster operations 🚀 Application Deployment & Scalability React, Node.js, Python, PHP, Laravel, FastAPI, Django, Express.js, Next.js, containerized applications, microservices, monorepos, background workers, queues, and API-based platforms 🌍 Managed Application Platforms AWS ECS, AWS EKS, Azure App Service, Azure AKS, GCP GKE, GCP Cloud Run, DigitalOcean App Platform, DigitalOcean Kubernetes 🎥 LiveKit Infrastructure LiveKit deployment, scaling, TURN/STUN setup, SSL, networking, Kubernetes deployment, cloud deployment, monitoring, and production troubleshooting on AWS, GCP, and DigitalOcean 🔐 Security & Compliance IAM, AWS Organizations, AWS SSO, GuardDuty, Security Hub, KMS, Secrets Manager, WAF, ACM, Cognito, VPC security, least-privilege access, cloud hardening, and secure infrastructure design 💰 Cloud Cost Optimization AWS cost optimization, rightsizing, Savings Plans, Reserved Instances, Spot instances, autoscaling, storage optimization, Kubernetes cost reduction, unused resource cleanup, and cloud billing review 👨‍💻 Infrastructure as Code Terraform, Ansible, CloudFormation, Kubernetes YAML, Helm charts 🔄 CI/CD & Automation GitHub Actions, GitLab CI/CD, Jenkins, CircleCI, Bitbucket Pipelines, automated deployments, rollback strategies, environment-based deployments, and release workflows 📊 Monitoring & Logging CloudWatch, CloudTrail, Prometheus, Grafana, ELK Stack, Datadog, New Relic, alerting, uptime monitoring, log aggregation, and production incident troubleshooting 📝 Scripting & Automation Bash, Python, automation scripts, deployment scripts, infrastructure automation, and operational tooling 📌 Version Control Git, GitHub, GitLab, Bitbucket 🌥️ AWS Services Expertise ✅ Compute: EC2, EKS, ECS, Lambda ✅ Storage & Databases: S3, RDS, Redshift, Neptune ✅ Networking: VPC, API Gateway, Global Accelerator, Load Balancers ✅ CDN & DNS: CloudFront, Route 53 ✅ DevOps: CodeBuild, CodePipeline, CodeDeploy ✅ Security: IAM, AWS SSO, AWS Organizations, Control Tower, GuardDuty, KMS, Cognito, Secrets Manager, Security Hub, WAF, ACM ✅ Monitoring: CloudWatch, CloudTrail ✅ Data & Analytics: Athena, QuickSight, AWS Glue ✅ Integration: API Gateway, Step Functions, EventBridge ✅ AI/ML Services: SageMaker, Amazon Lex, Rekognition, Textract, Transcribe, DevOps Guru 🤔 Why Choose Me? I bring a practical, production-focused approach to DevOps and cloud infrastructure. I do not only deploy applications; I design infrastructure that is secure, scalable, cost-effective, observable, and easy to maintain. Whether you need to migrate to Kubernetes, reduce AWS costs, secure your cloud account, deploy a scalable SaaS platform, set up LiveKit, build CI/CD pipelines, or improve production reliability, I can help you plan and implement the right solution. My focus is always on: ✅ Security ✅ Scalability ✅ High availability ✅ Cost optimization ✅ Automation ✅ Clean documentation ✅ Long-term maintainability Let’s work together to build cloud infrastructure that is reliable, secure, and ready to scale.

As a Senior Data Engineer and BI Specialist with 7+ years of hands-on experience, I specialize in building robust, scalable, and secure data ecosystems that directly enhance business performance and decision-making. I don't just manage data I architect solutions that provide a measurable return on investment. ✅𝗠𝘆 𝗣𝗿𝗼𝘃𝗲𝗻 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱: Accelerated Decision-Making: Developed sophisticated, user-friendly dashboards in Microsoft Power BI that improved client decision-making efficiency by over 40%. Workflow Automation: Implemented end-to-end ETL/ELT pipelines and automated data cleaning processes, consistently reducing manual effort and processing time by 50%. Full-Stack Data Solution: Expertise spanning from initial database development (T-SQL, PostgreSQL, MySQL) and complex query optimization to final-mile Data Visualization and Reporting. ✅𝗖𝗼𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀 Data Scraping Web Scraping Data Extraction Data Mining Data Engineering ETL Pipeline Data Processing Data Cleaning ✅𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀 Python Selenium BeautifulSoup Scrapy Pandas API Integration REST API JSON / CSV Handling ✅𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 Node.js Express.js MongoDB PostgreSQL MySQL ✅𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗧𝗼𝗼𝗹𝘀 Automation Web Automation Task Automation Cron Jobs ✅𝗖𝗹𝗼𝘂𝗱 𝗗𝗮𝘁𝗮 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 Azure: Building and managing pipelines using Azure Data Factory (ADF), Dataflow, and Azure Databricks. AWS: Designing storage and processing solutions with AWS S3, Glue, and Redshift. ETL/ELT Mastery: Developing reliable and high-performance workflows using Python, SSIS, and Talend Open Studio. ✅𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 & 𝗕𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Database Development: Expert in Microsoft SQL Server, PostgreSQL, MySQL, and Oracle—focusing on performance tuning and robust data modeling. Business Intelligence (BI): Advanced report development in Power BI, including complex DAX calculations and utilizing Power Query for advanced data shaping. Reporting: Delivering professional reports using tools like SSRS. Click the "Invite to Job" or "𝗠𝗲𝘀𝘀𝗮𝗴𝗲" button. Let's discuss your specific data challenges today and chart a path to smarter decision-making.

I help startups and SaaS companies ship faster, stay online, and stop overpaying for cloud — 5+ years running production infrastructure on AWS, Azure, and GCP. A few recent results: ✓ Cut a SaaS company's monthly cloud bill by 40%+ with zero downtime ✓ Migrated 18 production services to GitOps (ArgoCD) — deploy time went from 30 minutes to under 5 ✓ Took a company's infrastructure through a SOC 2 Type II audit on the first attempt What I can take off your plate: ✓ Kubernetes (EKS, AKS, GKE): cluster setup, autoscaling, hardening, cost tuning ✓ CI/CD pipelines: GitHub Actions, GitLab CI, Jenkins, ArgoCD ✓ Infrastructure as Code: Terraform and Helm — no more click-ops ✓ Cloud migrations and multi-cloud or hybrid architectures ✓ Monitoring and alerting: Prometheus, Grafana, Loki — so you know about issues before your users do ✓ Cloud cost optimization and security/compliance (SOC 2, IAM, secrets management) Certified: ✓ AWS Solutions Architect Associate ✓ Google Cloud Associate Cloud Engineer ✓ Certified Kubernetes Administrator ✓ HashiCorp Terraform Associate ✓ AWS AI Practitioner How I work: I explain things in plain English (most of my clients aren't infrastructure people), I document everything so you're never locked into me, and every engagement ends with a clean handover. If your deploys are slow, your cloud bill keeps creeping up, or things are starting to break as you scale — send me a message with a quick note about your setup. I'll reply with a concrete plan, usually the same day.

Microsoft Fabric | Dynamics 365 Business Central | Power Platform | Model driven apps | Canvas apps | Dynamics 365 Sales | Dynamics 365 Customer Service | Dynamics 365 Field Service | Dynamics 365 Customer Insights (Marketing) | Dynamics 365 Project Service Automation | Dynamics 365 Project Operations | ETL using SSIS & ADF | Designing Data Warehouse | SharePoint | Azure Services | Dataverse | SQL Server | Power BI | SSRS Reports | Copilot | Gen AI | LLM | Data Structuring | Data Modelling | Data Marts & Data Warehouse | Using Azure SQL | Azure Data Bricks I'm a Microsoft Dynamics 365 Architect and Techno Functional consultant with 18+ years of experience. I am Microsoft Certified • Power Platform Developer Associate • Power Platform Functional Consultant Associate • Power BI Data Analyst Associate • Azure Data Fundamentals • Power Platform Fundamentals • Fabric Analytics Engineer • Azure AI Fundamentals I've been working with various different business domains, like Insurance, Finance, Healthcare, Education, Digital Media, Information Technology, Textiles, Advertisement, Marketing, Non profit organizations, Diamond and Jewelry, Real Estate, Retail, Accounting, etc. I've been loyal, honest, and transparent to my clients for many years now. I strongly suggest reviewing the ratting in my work history.

I am a professional Cloud Engineer (AWS, Azure, GCP) & Full Stack Developer Providing high-end Front End (Angular, Nodejs, Javascript, Jquery, React, NextJs, Vue.Js) and Backend (Python, Node, ASP .Net Core, NodeJs, C#, MVC, Entity Framework, Identity Server, SSO Integration, MSSQL, MongoDb, MySQL, Azure, Kubernetes,) development services. I have a solid knowledge of full SDLC and best practices. ✅ 7+ years experience in Full Stack Development and 5+ years experience in Frontend Heavy projects. ✅ I always work on the code quality and project structure to make sure the code remains readable and maintainable in the future. ✅ My focus is always on performance, quality, and little details in the User Interface. ✅ AI & Data Integration: Expertise in handling wearable data, lab results, imaging, and questionnaires to create data-driven solutions. ✅ Generative AI & Automation: Skilled in OpenAI GPT-4o, LangChain, Langflow, and Vertex AI to power AI workflows. ✅ No-Code & Backend: Proficient in Backendless for scalable no-code solutions. ✅ DevOps & MLOps: Hands-on experience with Docker, Kubernetes, CI/CD, MLflow, and Terraform for deployment and automation. ✅ Cloud & Web Expertise: Deep knowledge of Azure, React.js, Node.js, and PHP to build robust platforms. What kinds of systems have I created in the past? - Account Management System - Online Admission System - ERP System - Incident Management System - Health Care System - Vehicle Tracking System I believe in completing the task before provided deadline. If you are looking for an enthusiastic individual who possesses a terrific work ethic, get in touch. Are you Looking for a Full-stack Developer for your project who is eager to learn and become an integral member of your team? Let's Connect!

Experienced Senior Full Stack .NET Developer with 𝟗+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building scalable enterprise-grade applications using 𝐂#, .𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐁𝐥𝐚𝐳𝐨𝐫, 𝐒𝐐𝐋 𝐒𝐞𝐫𝐯𝐞𝐫, 𝐀𝐳𝐮𝐫𝐞, 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, and 𝐑𝐞𝐚𝐜𝐭. Specialized in developing secure, high-performance web applications, RESTful APIs, cloud-native solutions, and scalable microservices architectures for enterprise clients. With strong expertise in full-stack development, cloud infrastructure, database optimization, and DevOps practices, I help businesses build reliable and maintainable software solutions with clean architecture and modern development standards. I have extensive experience in: • Enterprise SaaS Platforms • Blazor WebAssembly & Razor Components • ASP.NET Core Web Applications • REST API Development & Third-Party Integrations • SQL Server Performance Optimization • Azure Cloud & DevOps Automation • Docker & Kubernetes Deployments • Microservices & Distributed Systems • Authentication & Authorization (JWT/OAuth) • CI/CD Pipeline Implementation • Database Migration & Cloud Transformation 𝙈𝙮 𝙎𝙠𝙞𝙡𝙡𝙨:- 👉C# 👉ASP.NET 👉ASP.NET Core 👉.NET Core 👉.NET 6/7/8 👉Blazor Server 👉Blazor WebAssembly (WASM) 👉Razor Components 👉Entity Framework Core 👉LINQ & Dapper 👉RESTful API Development 👉SQL Server 👉MySQL 👉PostgreSQL 👉Microsoft Azure 👉Azure DevOps 👉Docker 👉Kubernetes 👉Microservices Architecture 👉RabbitMQ & Azure Service Bus 👉Angular & React 👉JavaScript & TypeScript 👉HTML5 & CSS3 👉JWT & OAuth Authentication 👉CI/CD Pipelines 👉BDD & TDD 👉Git & Bitbucket 👉MVC & SOLID Principles 👉Clean Architecture, CQRS & DDD 👉Performance Optimization 👉Cloud Database Solutions 👉Windows Server 2022 👉Database Migration & Optimization 𝙆𝙚𝙮 𝙃𝙞𝙜𝙝𝙡𝙞𝙜𝙝𝙩𝙨:- ✅Built scalable enterprise applications using ASP.NET Core & Azure ✅ Developed Blazor WebAssembly dashboards with real-time data processing ✅ Designed secure REST APIs with JWT/OAuth authentication ✅ Implemented CI/CD pipelines using Azure DevOps & Docker ✅ Optimized SQL queries and improved application performance ✅ Developed microservices-based systems using RabbitMQ ✅ Led architectural decisions and code review processes ✅ Delivered secure, scalable, and maintainable cloud solutions If you're looking for a reliable Senior Full Stack .NET Engineer with strong expertise in Microsoft technologies, cloud platforms, scalable architectures, and enterprise application development, let’s discuss how I can help bring value to your project.

The experience and skillset I bring as a Microsoft Solutions Partner in Data & AI helps businesses transform their current systems and initiatives into a clean, structured, and repeatable digital strategy. 📈 Microsoft Fabric, AI Foundry, Copilot Studio, Power BI, Power Platform, Azure Cloud 📈 Data Analytics, Data Modelling, Dashboard Design, ETL Pipelines, Automated Reports I am committed to enabling my clients to gain insights, streamline operations, and enhance their competitive edge in a meaningful way specific to their business. ------- How do I help clients? ------- I assess current workflows and provide best-practice guidance and recommendations based on the latest technology. I integrate deeply into your operations, and work to understand the challenges of existing systems to deliver customized, scalable solutions that eliminate inefficiencies. My personal favourite client quotes (please refer to past projects below): ✔️ It's rare that you come across standout talent like Scott ✔️ Exceptionally competent, quick, and professional ✔️ Scott is one of the best contractors I've worked with over the last 30 years ✔️ His work followed best practices to be easily updated and modified ✔️ I have placed him in my short list for future projects ------- Tools & Frameworks ------- Microsoft – Excel VBA, Macros, AddIns, Copilot Studio, SQL, Power Platform Power BI – DAX, M Language, API Connections, Fabric, Power Query Python – Web Scraping, Statistics, Django, React, Financial Modeling Azure – Data Factory, App Services, Functions, Databricks, Synapse, AI, ETL Other - Zapier, CRM and QBO Integrations, Google Analytics, Google Sheets It would be great to discuss your project further and get to know you and your business. I’m available weekdays 8am-5pm (Eastern Time) for a video call. I look forward to hearing from you! Kind regards, Scott ------- Professional Certifications ------- Bachelor of Engineering from the University of Guelph Microsoft Solution Partner in Data & AI Microsoft Certified Azure Fundamentals Microsoft Certified Data Analyst

As a passionate Software Engineer and Tech Enthusiast, I thrive at the intersection of innovation, scalability, and impact. With hands-on experience in full-stack development, cloud-native solutions, and DevOps practices, I enjoy turning complex problems into elegant, efficient, and user-friendly solutions. From building microservice-based architectures to implementing secure APIs and CI/CD pipelines, I take pride in crafting high-quality software that adds real value. I'm currently expanding my expertise in Kubernetes, Azure DevOps, and AI-powered applications — always learning, always evolving. Beyond code, I believe in strong collaboration, knowledge sharing, and mentoring others to grow together. If you're working on something exciting in cloud, AI, or scalable architecture — let’s connect and build something great! 🔧 Key Areas: Microservices | .NET | Python | React | Next | Express Azure DevOps | Azure | CI/CD | Kubernetes (K8s) RESTful APIs | JWT Security | Entity Framework AI Integration | Whisper | RAG | LLMs RDBMS | MongoDB | SQL | Indexing & Optimization Let’s connect and collaborate!

Do you need a reliable System Administrator to keep your servers secure, optimized, and running 24/7? I specialize in system administration, server management, and cloud infrastructure, helping businesses maintain stability, scalability, and security across hybrid environments. ⚙️ What I Do I provide end-to-end system administration and technical support for both Windows and Linux ecosystems — ensuring high performance, strong security, and minimal downtime. Core Services: 🧩 Windows & Linux Server Management (Ubuntu, CentOS, Red Hat) 🔒 Active Directory, Group Policy, and User Management ☁️ Microsoft 365 & Azure Administration (VMs, Azure AD, IAM, MFA) 🧠 Network Administration & Security (VPNs, Firewalls, Load Balancing) 💾 Backup & Disaster Recovery (Veeam, Acronis, Windows Backup) ⚙️ Server Virtualization (VMware, Hyper-V, Proxmox) 🔧 Automation & Scripting (PowerShell, Bash) 🛠️ Remote IT Support & Troubleshooting (TeamViewer, RDP, AnyDesk) 🌐 Tools & Technologies Operating Systems: Windows Server, Ubuntu, CentOS, Red Hat Platforms: Azure, Microsoft 365, VMware, Hyper-V, Proxmox Networking: Cisco ASA, Fortinet, pfSense, Nginx, HAProxy Monitoring: Nagios, PRTG, SolarWinds Backup: Veeam, Acronis, Windows Backup ⚡ Why Clients Choose Me ✅ 20+ successful system administration projects with 5-star results ✅ Proactive monitoring to prevent issues before they occur ✅ Fast response times and detailed documentation ✅ Experienced in both on-premises and cloud environments ✅ Dedicated to delivering secure, efficient, and reliable IT solutions Let’s optimize your systems for performance, security, and uptime. 💬 Contact me to discuss your infrastructure and how I can help streamline it.