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cardos0s/README.md

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About me

Senior Software Engineer operating at Tech Lead level, specialized in distributed systems architecture and high-performance mobile & SaaS applications in production.

Proven track record leading end-to-end solution delivery, from architectural decisions to cloud operations, focused on scalability, low latency, resilience, and direct revenue generation. My role extends beyond implementation: I drive critical engineering decisions, design sustainable systems, and raise the technical bar across products and teams.

Strong expertise in cross-platform mobile engineering with .NET MAUI and React Native, building robust, performant applications for real-world scenarios including offline-first architectures, efficient data synchronization, memory optimization, and smooth UI under heavy load.

Specialist in the .NET ecosystem with deep backend skills (ASP.NET Core) and modern architecture patterns (Clean Architecture, CQRS, DDD), plus full-stack delivery with Blazor WASM, React, and Next.js. Also working at the intersection of software and Artificial Intelligence, applying ML.NET and computer vision to practical, scalable solutions.

Founder of Cortex Tech, an ecosystem focused on artificial intelligence, accessibility, and technological innovation with a real-world impact vision.


Specialties

Mobile (High-Performance)    .NET MAUI · React Native · Offline-first · Data sync
Backend & Architecture       ASP.NET Core · Clean Architecture · CQRS · DDD
Cloud & Infrastructure       Docker · Kubernetes · AWS · CI/CD · Observability
Frontend                     Blazor WASM · React · Next.js · Tailwind CSS
AI & Applied Intelligence    ML.NET · Computer Vision
Integrations & Payments      Stripe · Supabase · Event-driven · API-first design
Leadership                   End-to-end technical ownership · System design

🚀 Tech Stack


📊 Engineering Depth & Impact Areas

⚙️ Backend & APIs

  • APIs in ASP.NET Core (.NET 10) optimized for low latency
  • Scalable architecture with Clean Architecture + CQRS
  • Robust authentication (JWT, role-based access control)
  • Response time optimization via caching, tuning, and overhead reduction

📱 Mobile Systems (Core Strength)

  • Offline-first architecture in production
  • Resilient sync (retry, fallback, eventual consistency)
  • UI thread optimization and memory management
  • ANR reduction and rendering fluidity under load

☁️ Cloud & Infrastructure

  • Automated CI/CD pipelines (build → test → deploy)
  • Containerization with Docker + Kubernetes
  • Observability: structured logging, metrics, distributed tracing
  • AWS deployment and operations

💰 Business Impact

  • Payment systems with Stripe processing real transactions
  • Products with recurring revenue and active users in production
  • Critical integrations operating at scale

Architecture & Engineering Principles

Distributed Systems       │  Clean Architecture       │  Domain-Driven Design
API-First Design          │  Event-Driven Workflows   │  Scalable System Design
Authentication & Security │  JWT (ES256)              │  Row-Level Security
Mobile Architecture       │  MVVM                     │  Offline-First Systems
Cloud & Delivery          │  Docker / Kubernetes      │  CI/CD Pipelines
Payments & Integrations   │  Webhooks                 │  Credit-Based Billing
Performance Engineering   │  Caching Strategies       │  Observability

 




💻 Code is not about quantity — it's about impact, performance and real-world execution.

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