Ernesto Almario

Versatile Full-Stack / Web3 Engineer with over 5 years of experience building high-performance web applications, modular monolith architectures, and Web3 ecosystem integrations. Proven track record leading cross-functional teams across the full SDLC, from designing interactive Figma UI/UX prototypes and architecting NestJS, Angular, and Next.js platforms to engineering Rust-based ink! smart contracts on Substrate. Skilled in bridging product design, backend architecture, and platform operations to deliver scalable Web2 and Web3 solutions.

Sr. Software Engineer (Freelance) at FizzBuzz PH (2025-03 – Present)

• IT Infrastructure & Cloud Operations: Monitor and maintain cloud infrastructure (AWS, Bluehost, Firebase) and hosting environments to ensure high availability, server health, and optimal database operations.
• Domain & DNS Administration: Oversee enterprise domain portfolios and DNS configurations across registrars (GoDaddy, Network Solutions), ensuring zero-downtime routing, timely renewals, and secure credential management.
• Mobile Store Console Oversight: Audit Apple App Store Connect and Google Play Console accounts to track application stability, resolve compliance alerts, and monitor crash reports.
• E-Commerce & Platform Maintenance: Manage WordPress infrastructure, executing core security patches, product catalog updates, and third-party API tool integrations.
• Digital Tools & Utilities: Internal QR Code Systems, Product Asset Tracking, Barcode/QR Generation Tools.
• Mobile App QA & Unity Testing: Conducted quality assurance and cross-platform functional testing for Unity-based mobile applications on iOS and Android devices, identifying performance bottlenecks and logging build issues prior to store releases.

Platform Engineer Manager (Web3) at RAK SON OPC (2024-08 – 2026-04)

• Technical & Design Leadership: Directed engineering operations and technical architecture for a hybrid Web3 gaming platform, leading cross-functional teams of developers, UI/UX engineer and 3D Artists while directly designing high-fidelity Figma user interfaces and interactive prototypes.
• Web2-to-Web3 Strategic Market Research: Conducted targeted market research to model friction-free user onboarding, bridging traditional Web2 gamer experience with Web3 asset ownership and zero-gas token economics.
• Industry Representation & Business Networking: Represented the company at major tech and industrial conferences, building strategic partnerships, connecting with web3 ecosystem leads, and exploring collaborative growth opportunities.
• Project Planning & Operations Management: Managed end-to-end project planning, resource mapping, budget allocation, and technical milestone reporting for executive stakeholders to ensure projects were delivered on schedule and within budget.
• Modular Monolith System Architecture: Standardized enterprise system design across projects by establishing modular monolith boundary patterns, explicit domain contracts, clear ERDs, and core technical documentation.
• Full-Stack & Web3 Engineering: Engineered modular frontends using Angular and Next.js alongside NestJS backends, and deployed Rust-based smart contracts using ink! on Substrate.

Sr. Software Engineer at Blockspace Corporation (2023-07 – 2024-07)

• Web3 & Full-Stack Engineering: Pioneered professional career entry into Web3 development by architecting high-throughput dApps and web applications using Angular, Fastify (Node.js), MySQL, Prisma ORM, and Polkadot APIs.
• Client Engagement & Web3 Walkthroughs: Reported directly to primary client (RAK SON OPC), delivering regular technical status updates, Web3 architecture walkthroughs, and dApp milestone demonstrations.
• System Design & On-Chain ERDs: Designed end-to-end Entity-Relationship Diagrams (ERDs) and relational database schemas optimized for Web3 transaction logging and state tracking.
• Agile Leadership & Web3 Mentorship: Mentored junior developers and interns on Web3 integration patterns and clean code practices while facilitating daily standups and sprint cycles following Agile/Scrum methodology.
• Quality Assurance & Data Integrity: Ensured high dApp reliability and state consistency by enforcing Test-Driven Development (TDD) practices, comprehensive unit testing, and rigorous debugging workflows.
• UX/UI & Web3 Onboarding Design: Crafted user flows, Web3 onboarding wireframes, and UI prototypes in Figma to align client product visions before technical execution.

Jr. Software Engineer at Human Incubator (2022-03 – 2023-07)

• Full-Stack Web Development: Developed and maintained responsive web applications using PHP (Laravel), Angular, Node.js, and Vue.js.
• IoT Hardware Integration: Engineered a dedicated C# Windows Forms desktop application to interface directly with IoT weight scale hardware, automating physical metric logging.
• UI/UX Prototyping: Translated product requirements into interactive wireframes and high-fidelity user interface prototypes utilizing Figma prior to technical execution.
• Quality Assurance & Testing: Authored comprehensive automated unit tests in an Agile environment to validate core business logic, reducing production defects.

Bachelor of Science in Information Technology – Cebu Eastern College (2015 – 2019)