👋 Hey, I'm Rolando,
Full Stack Engineer diving into AI Engineering

Full Stack Engineer with 12+ years under my belt, working with TypeScript, React & Node.js among other stacks. Right now I'm completely absorbed in AI Engineering—experimenting with coding tools and intelligent agents. I also break down AI concepts for non-engineers at sobrevivi.ia

Rolando Perez Illustration
React
TypeScript
Node.js
Tailwind CSS
Claude AI
Jest
Material UI
MCP
Rolando Perez
Speaks
🇵🇦 Spanish, 🇺🇸 English
Geeking About
🤖 AI Engineering
Favorite Soccer Team
⚽ FC Barcelona
Proud To Be
🇵🇦 Panamanian

ABOUT ME

Over a Decade Building Full Stack Web Applications

Full Stack Engineer with over 10 years of experience developing web applications across different company sizes—from startup MVPs to large-scale enterprise systems serving thousands of users. I've contributed both as part of remote agile teams and as an independent consultant. Now transitioning into AI Engineering, focusing on building intelligent coding tools and agents.

Crafting Software At

CMG LogoCapital Markets Gateway

Current Role
ReactSenior Frontend Engineer

RECENT ROLES

A snapshot of my recent experience

JavaScriptReact.jsNode.jsJestReduxReact NativeWebSocketsAG GridApollo ClientDockerExpressFirebaseGraphQLHot ChocolateMicroservicesMongoDBMUIPlaywrightProcess ImplementationPuppeteerReact AdminReact Testing LibraryRuby on RailsSASSSQLStorybookTeam LeadershipTypescriptTypeScriptWebpackWordpress

AI tools I'm diving into

MCPLanggraphAgentsLangchainOpenAI ModelsClaude ModelsPrompt EngineeringRAGCoding AgentsLocal ModelsVector Databases
Capital Markets Gateway

Senior Frontend Software Engineer

Capital Markets Gateway

Full-Time, Remote

Current

Key Achievements

  • Contributed to feature development and maintenance across CMG's multi-platform ecosystem serving institutional investors and investment banks, rapidly mastering complex ECM domain knowledge to work autonomously while ensuring compliance with financial regulations and performance standards demanded by tier-one banking clients
  • Architected a multi-certificate compliance tracking system enabling banks to verify inter-institutional relationships and prevent regulatory violations. Built extensible frontend infrastructure supporting multiple certificate types and financial instruments, directly enabling new client adoption
  • Delivered targeted frontend modifications across multiple applications to address evolving compliance requirements, completing all deliverables one week ahead of strict regulatory deadlines while working with new cross-functional teams
  • Developed a reusable modal component with configurable confirmation workflows to prevent critical action errors in financial transactions. Identified cross-team implementation opportunities, reducing duplicate development efforts across multiple products
WordPress.com - Automattic

Senior Frontend Software Engineer

WordPress.com - Automattic

Full-Time, Remote

Oct 2021 - Aug 2022

Key Achievements

  • Contributed to WordPress.com's marketplace infrastructure development as part of a globally distributed team across Americas, EMEA, and APAC regions, implementing effective PR handoff workflows while building plugin discovery features including responsive search functionality, category navigation, and user experience optimizations serving millions of users.
  • Built responsive marketplace category selector with AirBnB-inspired design patterns, enabling intuitive plugin discovery navigation for millions of WordPress users across desktop and mobile platforms.PR #63592: Marketplace: Adds Categories Responsive Menu
  • Executed systematic marketplace component refactoring, reducing core plugin browser component complexity by 77% while improving code maintainability and development velocity.PR #66668: Separate PluginsSearchResults page from PluginsBrowser
  • Developed data analysis scripts using SQL and JavaScript to extract marketplace search insights, informing UX improvements and popular search optimizations that enhanced plugin discovery.PR #64529: Marketplace: Add scripts to derive data snapshots from the top 100 searches
  • Refactored central search component used across multiple product areas, implementing "search on hit enter" functionality that improved user interaction patterns throughout the WordPress.com platform.PR #62573: Marketplace: "search on hit enter" search component
Nimbus9, Inc. - Cloud Team

Manager of Software Development

Nimbus9, Inc. - Cloud Team

Full-Time, Remote

Nov 2018 - Apr 2021

Key Achievements

  • Led distributed development teams across Panama and Colombia building enterprise IoT platform for smart building automation deployed in mission-critical facilities including aerospace installations, implementing modern development practices to deliver software controlling lighting, HVAC, and energy systems.
  • Architected and implemented Zigbee protocol integration by studying the complete specification, designing cloud services that transform hardware gateway messages into real-time data flows across microservices architecture, MongoDB data layer, and user interfaces via WebSockets.
  • Designed and implemented Automated Demand Response (ADR) protocol integration by studying the complete specification, enabling smart buildings to participate in utility grid load balancing, architecting bidirectional communication between C++ ADR servers and cloud services while maintaining real-time synchronization across frontend, backend, and IoT hardware systems.
  • Developed centralized business logic framework through Redux modules and internal npm packages, and built comprehensive UI component library with Storybook documentation, accelerating feature development velocity by 70% and enabling rapid deployment of new smart building interfaces.
  • Established comprehensive quality assurance framework including automated testing strategies (unit, integration, visual), code review processes, and sprint methodology, transforming engineering culture and enabling scalable international team growth.
  • Executed complete frontend migration from Angular 1 to React while maintaining business continuity for mission-critical smart building operations, modernizing the entire user interface architecture without disrupting IoT device management or customer building systems.
Nimbus9, Inc.

Senior Full-Stack Software Engineer

Nimbus9, Inc.

Full-Time, Remote

May 2018 - Nov 2018

Key Achievements

  • Architected and developed end-to-end IoT device commissioning system for smart building installations, building iPad application with QR code scanning, MAC address whitelisting, and real-time device discovery workflows that reduced commissioning time by 75%.
  • Implemented real-time device provisioning pipeline integrating React Native mobile interface with JenNet-IP gateway microservices and cloud infrastructure, enabling automated device onboarding through WebSocket-based status updates and network join confirmations.
  • Provided technical architecture insights and implementation feedback that influenced platform development strategies, leading to recognition for team leadership capabilities and subsequent promotion to management role.
💻

Full Stack Engineer - Consultant

Various Clients

Full-Time, Remote

May 2017 - May 2018

Key Achievements

  • Developed financial transaction dashboard for YC-backed fintech startup Cuanto, enabling secure digital wallet cash loading for MVP launch.
  • Built selective server-side rendering system for London-based book social network using Node.js and Puppeteer, optimizing SEO while preserving React SPA user experience.
  • Took sabbatical period for personal development and career reflection while transitioning from consulting work to startup opportunities.
Revelry Labs

Full Stack Engineer

Revelry Labs

Full-Time, Remote

Mar 2016 - Mar 2017

Key Achievements

  • Developed franchise management and lead generation platforms using Ruby on Rails, JSONAPI Resources, and React for enterprise client solutions
  • Created interactive HP workstation marketing campaign featuring advanced scroll parallax, performance-optimized media loading, and 3D animation effects
  • Built React Native mobile application with Node.js hardware integration for bowling alley operations, controlling pin machines and game mechanics
  • Built full-stack React-Redux application for Hyatt consuming multiple private APIs, developing UI components with mocked data to accelerate feature delivery

AI GENERATED MUSIC

Outside of work, I make the AI compose music

I enjoy experimenting with AI music using Suno. Sometimes I write the lyrics myself, sometimes I get help from LLMs. I give it direction, then let it do its thing. Here's what we've made together!

AI Music Creation - Person with headphones and laptop
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"Building high quality software is my passion"

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Built with in 🇵🇦 PTY by Rolando Perez, V0, Cursor and ChatGPT