Automation discovery
Map repetitive work, handoffs, approvals, and data sources into a practical automation plan.
I love how things work together in harmony and makes people's lives easier.
Hi, I'm Darryl Fernandez.
A software engineer who builds the quiet systems behind faster operations. I specialize in internal platforms, workflow automation, API integrations, and AI-assisted business process design.
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What I Do
Software for teams that need less manual coordination and more operational clarity.
AI-enabled workflows
Image Recognition, Natural Language Processing, Voice Transcription, and More. Take advantage of AI for intelligent business automation.
Custom business systems
Build internal platforms for sales, inventory, CRM, ERP, purchasing, accounts, mobile users, and branches.
Engineering leadership
Turn requirements into architecture, modules, data analysis, all with continuous integration/deployment and coordinated releases.
Proof Of Work
Built across software, operations, cloud, and devices.
Finance Tracker (2026) (Under NDA)
Full-stack financial management web app for tracking personal finances across accounts, expenses, income, loans, recurring bills, credit cards, statement-of-account workflows, reports, and user settings. Includes AI-assisted expense entry from text and receipt images, dashboard analytics, API endpoints for web/mobile use, Supabase authentication, admin controls, subscription billing, Telegram integration, and automated jobs for bills and credit card SOA generation. Tech stack used but not limited to: Next.js, React, TypeScript, Supabase PostgreSQL/Auth, REST APIs, Zod, OpenAI, Upstash, Recharts, Tailwind CSS, and Vercel.
Solar Fuel Corporation (2016)
Multi-branch business management system for gasoline station & its hardware subsidiary operations, covering inventory, sales invoicing, customer statements of account (SOA), accounts receivable, supplier payables, purchase/stock intake, pump management, user permissions, backups, and operational reporting. Built with a Laravel REST API, AngularJS single-page frontend, JWT-based authentication, MySQL data storage, and supporting libraries for grids, charts, forms, and administrative workflows.
Davao Top-ching Auto-Parts (2017)
Centralized branch operations platform with Laravel, AngularJS, REST APIs, JWT, and MySQL.
Fleet Tracking System (2015)
Map-based fleet monitoring with realtime updates, WebSockets, Redis, Node.js, Android, and embedded device integration.
Laravel Shopping Cart (2015)
Package for Laravel ecommerce workflows, with unit testing and CI history; GitHub shows 1.4k stars on the repository page.
Project Management System (2016)
Internal platform later used as a SaaS-style tool for project and client coordination, with PusherJS, S3, and EC2.
Home Automation (2017)
Prototype using NodeMCU, C++, Android, voice control, relay scheduling, and appliance-level automation.
Profile
Engineer first, consultant when the business problem needs translation.
I am a computer engineer by profession and a software developer by craft. My work has moved through web apps, mobile apps, ecommerce, enterprise systems, APIs, Linux servers, cloud services, networks, and automation hardware.
As a senior developer and project lead, my day-to-day work has included solution architecture, documentation, sprint planning, developer coordination, code review, technology selection, and turning business problems into shipped systems.
- BS Computer Engineering, Holy Cross of Davao College
- Senior Software Developer & Project Lead, Vizsion Inc.
- Independent consultant and contractor since 2015
- Former part-time engineering instructor for Computer Networks
Work History
Technical leadership across business systems, remote teams, and operational software.
Microsoft Developer Partner
International
- Develop plugins for Microsoft Games running on windows & xbox
Simulation Company (NDA)
Philippines / Singapore
- Manage small team of developers and coordinate technical direction.
- Hands-on on 3D Modelling, Texturing & Animation
- Develop scripts in Python to automate workflows
- Architecture & Design Decisions
- Manage a small infrastructure running on AWS using Runcloud
- Manage & maintain company website, cloud resources and technical documentations
- Create AI Automation workflows using Agentic Approach
- Integrate AI tools (like OpenAI) into existing development & internal processes
Vizsion Inc.
Las Vegas, NV - Remote
- Convert business problems into technical solutions, estimates, time frames, architecture plans, and delivery schedules.
- Produce technical documents for application flow, specifications, technology stacks, and project development.
- Coordinate remote teams, assign work to developers, review code, define coding standards, and refactor when needed.
- Work with server administrators on deployment tasks, version control with Git, and ongoing technology research.
Solar Fuel Corporation
Davao City, PH
- Delivered a 6-month project and support engagement covering business analysis, solution architecture, documentation, and migration planning.
- Developed a centralized web-based CRM with RESTful APIs and an Angular SPA consuming a Laravel 5+ backend.
- Designed for multi-business entity, multi-branch operations with centralized data accessed by branches across Mindanao.
- Handled Git workflows, client and server network setup, port forwarding, firewall and NAT configuration, security measures, and disaster recovery planning.
Davao Topching Auto-Parts
Davao City, PH
- Delivered a 3-month project and support engagement from business discovery through architecture, documentation, schedule, and delivery.
- Built a centralized web-based CRM, RESTful APIs, and an Angular SPA on top of a PHP Laravel 5+ backend.
- Implemented Git-based version control, security measures, and a disaster recovery strategy for the business system.
Independent Consultant / Contractor
Remote and local clients
- Provide software development services to local and outsourcing businesses across business systems, web applications, and technical consulting.
University of Immaculate Conception
Davao City, PH
- Taught Computer Networks for engineering students.
Serius Marketing
NY, USA - Remote
- Developed ecommerce and WordPress websites, custom themes, custom plugins, and WooCommerce implementations.
- Integrated payment gateways including PayPal and Google Checkout, and prepared project estimates and time frames.
- Built the company's project management system using Laravel and AngularJS.
- Managed WHM and cPanel for website clients.
IDX Web Designs
Davao City, PH - Office
- Converted PSD designs to responsive, cross-browser, W3C-compliant HTML.
- Developed WordPress and WooCommerce websites, custom themes, custom plugins, and payment gateway integrations.
- Assisted with project estimates and delivery time frames.
Toolkit
Technology choices stay close to the job.
ApplicationNextjs, Nestjs, Expressjs, Laravel, PHP, Typescript, Reactjs, Vue, Angular, Flutter, WordPress, REST, JWT
DataMySQL, PostgreSQL, Amazon RDS, JSON, Redis, Supabase, MongoDB, reporting models
CloudLinux, Nginx, NodeJS, AWS, Azure, GCP, Runcloud, Vercel and more.
Automation / AIPython, Node.js, MCP, n8n, OpenAI APIs, APIs, CI/CD, Version Control
For founders, operators, and teams with business processes ready to be redesigned.