Marcio Cunha

Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
BackendArquitetura•5 min

Domain Isolation in Shared Databases Using Dynamic Schemas and Access Policies

Learn how to isolate data for multiple tenants in a single relational database using dynamic schemas and row-level access policies.

FrontendArquitetura•4 min

Design System Architecture for High-Density Data Interfaces Using Custom Properties

Learn how to architect a design system for complex screens handling thousands of data points, leveraging dynamic CSS variables and component composition.

BackendArquitetura•5 min

Automated Failover Orchestration in PostgreSQL Databases with Raft Consensus and Integrity Verification

Learn how to architect automated server switching in PostgreSQL databases using the Raft consensus protocol to guarantee high availability and absolute data integrity without human intervention.

ArquiteturaRedes•5 min

Identity Federation Architecture with OpenID Connect and Cryptographic Token Validation in Zero Trust Environments

Learn how to structure identity federation using OpenID Connect and rigorous cryptographic token validation in Zero Trust topologies.

BackendArquitetura•3 min

Incremental Prerendering Strategies on Edge Servers for First Byte Latency Reduction in E-commerce

Learn how combining edge servers and incremental prerendering accelerates e-commerce loading, drastically cutting response time and improving conversion rates in practice.

BackendArquitetura•4 min

Reliable Messaging with Exactly-Once Using Two-Phase Transactions

Learn how to achieve exactly-once delivery guarantees in complex distributed systems using two-phase transactions to coordinate messaging and databases synchronously and securely.

NegóciosArquitetura•3 min

TCO Modeling for On-Premises Infrastructure and Cloud Reserved Instances

Discover how to calculate total cost of ownership by comparing your own physical servers with reserved instances from public cloud providers. Understand the financial and operational trade-offs to safely decide where to host your business applications.

BackendArquitetura•4 min

Development of Technical Remediation Plans for Architectural Debt in Long-Term Financial Systems

Learn how to structure remediation plans for legacy financial systems, tackling architectural debt through incremental strategies and operational risk mitigation.

ArquiteturaDevOps•4 min

Migrating Legacy Monoliths to Cell-Based Architecture with Complete State and Traffic Isolation

Learn how to isolate data and traffic when moving massive legacy systems to cell-based architectures, ensuring high availability and horizontal scalability.

FrontendArquitetura•4 min

Style Isolation in Micro-Frontends with Shadow DOM and Native Web Components

Learn how to build modular and independent user interfaces using Shadow DOM and native Web Components to eliminate CSS conflicts in micro-frontend architectures.