Case Studies | Engineering Work with Business Impact

Personal Portfolio & Engineering Blog preview 1

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Featured Project

Performance-FirstScalable ArchitectureDeveloper ExperiencePlatform Reliability

Personal Portfolio & Engineering Blog

Established a production-grade public presence enabling inbound leads for full-time remote and freelance engagements.

A performance-first personal portfolio built with Astro 5 and React 19, showcasing case studies, an engineering blog, and a headless CMS-driven architecture designed to convert visitors into professional opportunities.

Statically generated with Astro 5, deploying to AWS S3 + CloudFront for sub-200ms global delivery
Headless CMS architecture powered by Strapi 5 with build-time content updates
AI assistant section with Zustand-managed chat state, ready for live LLM integration
Accessible UX with skip-nav, ARIA labels, and reduced-motion support
Pre-commit pipeline runs full production build before changes land

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Role-Based Access ControlBusiness Workflow AutomationScalable ArchitectureData-Rich Product

Nexos - CCSN Member Portal

Digitizes and centralizes the CCSN member experience, replacing manual processes with a self-service portal connecting hundreds of businesses.

A B2B professional networking platform for the Camara de Comercio y Servicios de Nicaragua (CCSN). It connects member companies through a private network with networking, marketplace, events, and business intelligence tools.

Private member network with social feed, groups, and direct networking
Event management with in-browser video meetings via WebRTC (VideoSDK)
Business intelligence module with scored diagnostics and Chart.js visuals
Marketplace for product listings and quote requests
RSE project directory for member and chamber-sponsored initiatives
Gated onboarding with admin approval before access

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Real-Time InteractionsSecurity-Conscious DesignPlatform ReliabilityData-Rich Product

Duelana

Enables trustless peer-to-peer wagering on Solana with verifiable game outcomes and no centralized credential model.

A real-money crypto gambling platform built on Solana where players wager SOL tokens in provably fair casino-style games, including coinflip, jackpot, and multi-room blackjack with real-time gameplay.

Three implemented games: Coinflip, weighted Jackpot, and multi-room Blackjack
Phantom wallet-signature authentication with no passwords
Provably fair cryptographic commitment model per round
Real-time state via Socket.IO with GraphQL hydration
SOL deposit/withdraw with lamport arithmetic to avoid float errors

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Business Workflow AutomationRole-Based Access ControlDeveloper ExperiencePlatform ReliabilityScalable Architecture

Nexos Admin Panel

Reduced operational overhead by consolidating management of users, companies, events, products, and reports into one role-aware dashboard.

Internal administration dashboard for Nexos, a business networking platform operated by CCSN Binary in Nicaragua. Enables admins and partner allies to manage all platform data through a unified, role-gated interface.

Config-driven CRUD engine serves 19 entities with no duplicated page code
Role-based access control gates routes and navigation from one source of truth
Global cross-entity search queries 8 entities in parallel with keyboard shortcut
Generic form engine supports 20+ input types including rich text, upload, selectors

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