Biography, Skills & Technical Background

About Me

Senior Software Engineer

Hi, I'm Rowell Mark Blanca

Over 12 years of hands-on software development experience partnering with agency leaders, corporate platforms, and clients across the US, UK, Hong Kong, and Philippines. Specializing in high-performance Next.js web applications, custom WordPress systems, and AI-driven automation workflows.

rowellblanca94@gmail.com

Phone / WhatsApp

+63 968 890 0418

Connect:

Full-Stack & WP Engineer

12+ Years Experience

Download Curriculum Vitae (CV)

12+

Years Experience

100%

Job Success Rate

50+

Production Builds

UK · US · AU

Global Overlap

Core Capabilities

What I Build & Specialize In

Full-Stack Web & SaaS Engineering

Architecting sub-second Next.js 14 and React applications using strict TypeScript, Tailwind CSS, PostgreSQL (NeonDB), and Prisma ORM.

Bespoke WordPress & Gutenberg Architecture

Engineering custom Gutenberg block plugins, headless WordPress setups, and scalable themes without third-party page builder bloat.

AI Workflows & LLM Copilots

Integrating multi-provider AI solutions (OpenAI, Google Gemini, Ollama), vector RAG pipelines, n8n automations, and intelligent chatbot systems.

Performance CRO & Security Hardening

Enforcing 98+ Lighthouse Core Web Vitals, automated CI/CD pipelines, strict anti-spam defenses, and enterprise security standards.

Technology Matrix

Technical Skills & Ecosystem

Frontend

HTML5CSS3JavaScript (ES6+)TypeScriptReact.jsNext.jsTailwind CSSSASS/SCSSFramer Motion

Backend & Database

Node.js (Express)PHP (Laravel, WordPress)NeonDB (PostgreSQL)Prisma ORMMySQLRedisREST & GraphQL APIs

DevOps & Cloud Tools

GitDockerGitHub Actions CI/CDVercelAWSFigmaPhotoshop

AI & Automation Workflows

n8nDifyOpenAI ChatGPT APIGoogle Gemini APIOllamaRAG Knowledge Indexing

Testing & Security

PlaywrightCypress E2EJWTOAuth 2.0Security HardeningLighthouse SEO

Interactive Project Scope & Estimate

Estimate Your Project Scope & Architecture

Select your requirements to see estimated timelines, recommended technical stack, and request an itemized proposal within 24 hours.

Step 1 · Choose Project Type

Next.js / React Web App

Scalable SaaS, client portal, or custom web platform with sub-second performance.

Custom WordPress & Gutenberg

Bespoke theme, headless setup, or custom Gutenberg block plugins without page builder bloat.

AI / Workflow Automation

LLM copilot, RAG knowledge system, OpenAI/Gemini integration, or automated CRM workflows.

Dedicated Senior Dev Retainer

Continuous sprint shipping, agency overflow support, codebase rescue, and feature iterations.

Step 2 · Select Included Features

User Authentication & Database Architecture

Stripe / Payment Billing & Subscription Engine

Custom Admin Dashboard & Content Management

Third-Party API Integrations & Webhooks

98+ Lighthouse Core Web Vitals Optimization

Step 3 · Timeline & Urgency

⚡ Fast Sprint (2–4 Weeks)Need to launch MVP or overhaul rapidly

📅 Standard Build (1–2 Months)Comprehensive phased production rollout

🔄 Ongoing Fractional (Monthly)20–40+ hours/month dedicated senior dev

Scope Summary & Stack

Direct Senior Dev

Estimated Delivery Timeframe

3–6 weeks

Includes full QA testing, responsive breakpoints, and Core Web Vitals audit.

Recommended Architecture Stack

Next.js 14React 19TypeScriptTailwindCSSPostgreSQL

Full UK (GMT), US & Australian (AEST) Timezone Overlap

40–50% Cost Savings vs UK / US / AU Agency Bloat

100% Direct Senior Code Quality & Daily Comms

Lock In Your Proposal & Call

Working Models & Engagement

How We Can Work Together

Transparent, flexible engagement structures tailored for funded startups, agencies, and UK, US & Australian (AU) businesses looking for direct senior engineering without agency overhead.

Milestone-Based

Fixed-Scope Project Sprint

Best for ground-up MVP builds, custom web application development, or complete platform redesigns with well-defined specs.

Fixed upfront pricing & clear delivery timeline

Full architecture design, UI integration & QA

98+ Core Web Vitals performance guarantee

30 days post-launch warranty & bug-free handover

Fractional Senior Engineer

Dedicated 20–40+ hours per month for rapid feature iterations, ongoing technical leadership, and agency overflow with full UK, US & AU overlap.

Direct Slack / Teams access & daily standups

Full UK (GMT), US & Australian (AEST) timezone overlap

Continuous PR reviews, CI/CD, and fast shipping

No recruitment fees, payroll taxes, or agency bloat

Fast Turnaround

Codebase Rescue & Speed Audit

1–2 week intensive optimization for slow, legacy, or buggy Next.js/WordPress websites needing sub-second performance.

Comprehensive Core Web Vitals bottleneck audit

Database query optimization & asset minification

Security patches & plugin bloat cleanup

Detailed before/after speed benchmarking report

Interactive Engineering Mini-Game

Core Web Vitals Speed Racer

Steer past unoptimized bloated assets, catch Next.js RSC & Edge Cache turbo boosts, and keep Lighthouse Core Web Vitals at 100/100!

VITALS:

100%

HOW TO PLAY

Steer your rocket down the fiber-optic highway. Keep Lighthouse Vitals at 100%!

← / ASTEER LEFT·→ / DSTEER RIGHT

DODGE ⛔ Slow SQL & 5MB bloat

COLLECT ⚡ Next.js & LCP boosts

Score & Records60 FPS Engine

Current Score0 PTS

All-Time High0 PTS

How To Play & Controls

Desktop & Mobile

Keyboard Controls:

← / A Left · → / D Right

Mobile Controls:Touch LEFT / RIGHT pads

💡 Game Goal: Keep your Core Web Vitals health above 0% by dodging slow SQL queries & bloated assets while grabbing Next.js & LCP speed boosts.

Web Performance Legend

⚡Sub-Sec LCP (+30)

🚀Next.js RSC (+25)

⚠️5MB PNG (-20)

🐢Bloat CSS (-20)

Score 350+ Points & Claim Reward

Reach 350+ points to unlock a Free 30-Minute Architecture & Codebase Speed Audit for your business platform.

Let's Build Together

Have a Project or Product in Mind?

Whether you need a full Next.js web application, a custom WordPress ecosystem, or AI workflow integrations, I'm available for technical contracts and high-impact projects.

Get In Touch