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I help regulated businesses and high-growth technology teams build secure, scalable cloud systems and bring infrastructure costs back in line with actual usage. Cloud architecture across AWS, Azure, and GCP is one half of the practice. The other half is enterprise systems integration: Microsoft Dynamics 365, Salesforce, SAP, and Oracle, including a SAP architecture for a European heavy industrial manufacturer under strict defense-sector compliance, and a full legacy-to-current Oracle migration carried out with training and complete data integrity. Dynamics 365 in particular runs on Azure and Dataverse, so the enterprise systems work and the cloud architecture work are not two separate practices. They inform each other directly, the platform a business runs on and the infrastructure underneath it. Built for production load, not demo load, audit-ready for SOC 2, ISO 27001, and GDPR standards. What I deliver for your business: Cloud Architecture and Migration: planning and migrating existing workloads to high-availability multi-cloud environments. Enterprise Systems Integration: architecting and integrating Dynamics 365, Salesforce, SAP, and Oracle, spanning regulated industrial, manufacturing, and enterprise sectors. Infrastructure as Code: designing clean, modular Terraform configurations for policy-based resource provisioning. Container Orchestration: deploying and managing Kubernetes platform infrastructure, observability, and release pipelines. DevSecOps Hardening: implementing access controls, firewall constraints, and securing CI/CD pipelines through GitHub Actions, GitLab, and Jenkins. Cost Optimization: conducting cloud billing audits, setting up budget alerts, and removing resource waste. Available for project-based work or ongoing infrastructure and systems support. Send over what you are building or what is not working, and you will get a direct technical read back, including an honest answer on whether I am the right fit for it.

As an IT Support Professional and Systems Administrator, I specialize in keeping businesses operational by managing complex backend systems, from core Microsoft environments to High-Performance Computing (HPC) infrastructures. With a background spanning Managed Service Providers (MSPs) and cutting-edge AI organizations, I bridge the gap between advanced technical architecture and seamless end-user support. ⚙️ Core Technical Expertise: High-Performance Computing (HPC) & AI: Infrastructure optimization and technical support for advanced computing environments and AI workloads. Managed Services (MSP) Operations: Comprehensive client infrastructure support, remote monitoring, and multi-tenant environment management. Cloud & Microsoft Ecosystem: Office 365 Administration, Microsoft Azure, Active Directory (AAD), Windows Desktop Systems. IT Service Management (ITSM): ServiceNow, JIRA, Salesforce, incident lifecycle management. Remote Support & Infrastructure: LogMeIn Rescue, BeyondTrust, hardware/software deployment, asset management. Communications: VoIP, telephony, and telecom network support. I am passionate about continuous learning and staying updated with emerging tech to deliver innovative, root-cause solutions rather than just temporary band-aids. 📩 Open to networking and discussing opportunities in IT Administration, HPC Infrastructure, and Technical Support.

I build scalable, production-ready .NET and Azure platforms — microservices, SaaS dashboards, enterprise APIs, and React/Angular frontends — delivered on time and built to last. 12+ years as a .NET Architect and Full Stack Developer, leading end-to-end architecture and delivery for Fortune 500 companies and funded startups across healthcare, finance, logistics, and e-commerce. I combine deep ASP.NET Core backend expertise with Azure cloud-native deployment and modern React/Angular frontends, so you get one engineer who owns the complete system — not a handoff between five specialists. WHAT I BUILD ✅ Scalable microservices with .NET 8/10 — clean architecture, CQRS, event-driven design ✅ Azure PaaS deployments — App Service, AKS, Service Bus, Azure SQL, Azure DevOps ✅ React and Angular frontends — SSO, role-based access, real-time dashboards ✅ CI/CD pipelines — GitHub Actions, Azure DevOps, Jenkins — zero-downtime releases ✅ SQL Server & PostgreSQL performance tuning — deadlock resolution, query optimization ✅ HIPAA-compliant healthcare, finance, and logistics platforms ✅ ASP.NET Zero multi-tenant SaaS architecture ✅ SignalR/WebSocket real-time applications ✅ NopCommerce, Shopify, and e-commerce platform development RECENT OUTCOMES - Designed a healthcare practitioner search platform scaling across AWS with real-time Elasticsearch - Led a US logistics platform revamp using .NET 10 + React + Angular, cutting deployment time significantly - Built 20+ e-commerce platforms processing millions in transactions with ASP.NET Core and NopCommerce/Shopify - Delivered HIPAA-compliant EHR, LIMS, and healthcare SaaS systems for US-based clients - Managed teams of up to 12 developers on enterprise projects - Migrated legacy .NET applications to Azure with zero production downtime - Resolved deadlock and performance issues on SQL Server databases with 1M+ records WHO HIRES ME Clients bring me in as a .NET Architect, ASP.NET Core Developer, Full Stack .NET + React/Angular Developer, Azure Cloud Architect, SaaS Developer, or SQL Server Database Architect — for projects ranging from new build to legacy modernization. TECH STACK Backend: ASP.NET Core, ASP.NET MVC, Web API, .NET 6/8/10, C#, Entity Framework, CQRS, Clean Architecture, Microservices, Node.js, TypeScript Frontend: React, Angular, AngularJS, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, Tailwind CSS Cloud & DevOps: Microsoft Azure, AWS, Azure DevOps, GitHub Actions, Jenkins, Docker, Kubernetes (AKS), CI/CD, Azure Service Bus, Azure SQL, Azure AD, SSO Databases: SQL Server, PostgreSQL, Query Optimization, Database Design, Deadlock Resolution, Index Tuning, Stored Procedures, SSRS Integrations: REST API, SignalR, WebSockets, Power BI, Elasticsearch, HubSpot, Stripe, NopCommerce, WordPress, Shopify AI & Automation: OpenAI API, ChatGPT Integration, N8n, Automation Workflows, Real-time Data Pipelines CERTIFICATIONS 🏅 Microsoft Certified: Azure Solutions Architect Expert 🏅 Microsoft Certified: Azure Developer Associate 🏅 Microsoft Certified Professional Send me a message with a short project description — I typically respond within a few hours and can share a relevant architecture approach on our first call.

I've spent 11+ years building production .NET systems for companies like Canon, PSA, Sodexo, Bolloré and Ceva — and today I'm the senior backend engineer on a multi-tenant B2B SaaS platform in the energy-efficiency sector: four client portals, one modular .NET 9 codebase, running in production under strict quality gates. What I do best: • ASP.NET Core APIs — versioned REST APIs, role-based access control, multi-tenant architecture, FluentValidation, clean vertical-slice structure • Azure data — deep Cosmos DB expertise (partition design, change-feed pipelines, indexing policies, zero-downtime backfills) plus SQL Server, PostgreSQL and EF Core with disciplined migrations • Architecture — modular monoliths and microservices done right: CQRS, DDD, MediatR, Result-based error handling, contracts that never break consumers • Integrations — e-signature providers, rate-limited government APIs, registry exports with strict file formats, RabbitMQ, Redis, SignalR real-time • Full-stack when the job needs it — Angular, React and TypeScript front-ends shipped in production at Sodexo, Bolloré, TUI and Canon • Quality — TDD with xUnit, SonarQube-clean code, benchmark-driven performance work. Every change ships production-ready. How I work: small verified increments, before/after evidence for every performance claim, honest estimates, no surprises. My code survives strict senior review every single day — yours will get the same standard. Available now for full-time or part-time engagements (100% remote, CET) — I reply daily. Send me your API, performance, or migration problem and you'll get a concrete first step within 24 hours.

✅ 10 Years on Upwork ✅ 100% Client Recommendation ✅ +4500 Hours ✅ Full Stack .NET Software Engineer Sql Server AZURE 📌📌 South America Location (LATAM) ET ,CT ,MT ,PT TIME USA ,+ - 2 hours Time 📌📌 My Technical Skills include : - Legacy Migrations - AZURE SQL SERVER - ASP WebForms ASP MVC ASP - NET CORE Web API - C# - SQL SERVER SSIS SSRS, - HTML5, CSS3, JavaScript, jQuery, Angular, React, Vue -T-SQL, SSRS, and SSIS in a Microsoft SQL Server environment. -Azure Data Factory (ADF). Focused primarily on backend and API development over the past couple of years

🎯 AWS Solution Architect covering AI/ML infrastructure, cloud migrations, and HIPAA/PCI-DSS compliance builds. $500K+ delivered across 129 AWS engagements at 100% Job Success. Top Rated Plus on Upwork. IT-Magic is an AWS Advanced Tier Services Partner. ☁️ 𝐑𝐞𝐜𝐞𝐧𝐭 𝐟𝐥𝐚𝐠𝐬𝐡𝐢𝐩 𝐰𝐨𝐫𝐤: 🔸 Production Bedrock RAG + SageMaker MLOps pipeline architected on multi-AZ AWS with GPU cluster 🔸 Ubisoft AWS Solution Architecture optimised for 50M+ daily gamers 🔸 Nova Poshta Global and Intertop, rebuilt on AWS for Black Friday-class load 🔸 PCI DSS Level 1 led end-to-end at Centrobill 🔸 HIPAA AWS configured in Drata for a US healthcare operator 🔸 QliqSOFT migrated to EKS and passed HIPAA audit, operational costs cut Most AWS work gets split across three or four freelancers who don't talk to each other - one runs infra, one writes Terraform, one handles compliance, one chases the cost. I handle the full stack directly, so the migration, the IaC, the compliance lift, and the FinOps pass land as one coordinated build instead of four disconnected handoffs. 🔧 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝: - AI/ML infrastructure on AWS — Bedrock, SageMaker, GPU inference clusters, RAG pipelines, LLMOps - Solution Architecture for AWS at scale — multi-AZ fault tolerance, auto-scaling, disaster recovery - AWS migrations from bare metal, on-premises, or older AWS architectures (also Azure builds on AKS) - EKS, ECS, and Kubernetes clusters with multi-AZ fault tolerance and auto-scaling - Terraform-managed infrastructure (IaC, no hand-clicked configs) - HIPAA and PCI DSS compliance lifts on AWS Security Hub, GuardDuty, and AWS Inspector - AWS cost optimisation - documented 42% bill cut on one engagement, ongoing 40% average on retainers - High-availability ecommerce builds for Black Friday-class traffic (Ubisoft, Invogue, intertop.ua, Yakaboo) - CI/CD pipelines on GitLab CI, Jenkins, and Docker-based deploys - Production monitoring and SRE - CloudWatch, ElastiCache, OpenSearch, system audits 📋 𝐂𝐫𝐞𝐝𝐞𝐧𝐭𝐢𝐚𝐥𝐬: - IT-Magic is an AWS Advanced Tier Services Partner - AWS Certified Solutions Architect Professional - AWS Certified DevOps Engineer Professional - AWS Certified Security Specialty - AWS Certified Advanced Networking Specialty - AWS Partner - Generative AI Essentials - Top Rated Plus on Upwork, top 3% globally - 13+ years on Linux and production cloud, based in Warsaw 🎯 𝐖𝐡𝐨 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡: E-commerce, fintech, healthcare, and AI-workload companies that cannot afford a bad migration or a surprise cloud bill. Mid-stage to enterprise. Teams that already have engineering and want a senior AWS partner who can also handle the compliance and FinOps conversations - without a junior strategist in the middle. ⚙️ 𝐇𝐨𝐰 𝐈 𝐑𝐮𝐧 𝐚𝐧 𝐄𝐧𝐠𝐚𝐠𝐞𝐦𝐞𝐧𝐭: 1️⃣ Read - 48-hour technical audit, current setup mapped, risks flagged, written plan back to you 2️⃣ Architect - target architecture and migration order designed before any code ships 3️⃣ Build - migration, IaC, CI/CD, compliance lifts delivered as one workstream 4️⃣ Handover - architecture diagrams, Terraform repo, runbooks, observability dashboards, knowledge transfer session 𝐈𝐟 𝐲𝐨𝐮𝐫 𝐀𝐖𝐒 𝐞𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭 𝐢𝐬: 🛠️ Migration-pending - I have done 129 of these. I will tell you what to move first, what to refactor before the move, and what to leave for later. 🛡️ Compliance-pressured - HIPAA, PCI DSS, SOC 2, ISO 27001 audits passed under my watch. 💰 Quietly overspending - averaging 40% bill cut on retainer accounts, with the change-log to prove it. 🤖 AI-workload-heavy - I have built GPU-cluster and Bedrock/SageMaker setups for production AI services. 𝐖𝐡𝐚𝐭 𝐌𝐚𝐤𝐞𝐬 𝐌𝐞 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭: ✔️ Senior multi-discipline - AWS architecture + IaC + compliance + FinOps as one build ✔️ AWS Advanced Consulting Partner with a dedicated team behind the delivery ✔️ Top Rated Plus, 100% JSS across 50+ contracts ✔️ Consistent delivery methodology - same 4-step process on every engagement ☎️ Send me the details and I will come back in 48 hours with a specific read on what to fix first and in what order.