Rowell Mark Blanca — Full-StackSoftware Engineer
Senior Full-Stack & Next.js Engineer helping funded startups, agencies, and UK, US & Australian (AU) businesses build high-performance digital products and custom WordPress engines—without the 50% agency overhead.

Rowell Mark Blanca
Software Engineer
Trusted by UK, US & Australian Businesses for Mission-Critical Engineering
Explore high-impact Next.js web applications, custom SaaS portals, and enterprise client platforms engineered for high performance, scale, and conversion.
SpecializedTechnicalExpertise
Specialized engineering capabilities refined over a decade of high-impact web development — building custom software architectures engineered for speed, security, and measurable business growth.
WordPress & Headless Engine Architecture
Custom PHP & Decoupled CMS
Engineering high-concurrency, zero-bloat WordPress platforms without third-party page builders.
- Bespoke Plugin Development: Object-oriented PHP (PSR-4), custom database tables & REST API extensions with zero bloat
- Native Gutenberg Block Engine: Hand-coded React/Gutenberg blocks providing seamless client editing without page builders
- Headless WordPress & GraphQL: Decoupled CMS architectures serving Next.js and React client frontends
- FCA & Enterprise Compliance: High-security data handling, custom user permission matrix, and automated audit logging
- Schema.org & JSON-LD Builders: Custom SEO graph assembly pipelines with Yoast & RankMath gate coordination
Backend Systems & Database Architecture
APIs, Databases & Infrastructure
Designing resilient server architectures, scalable relational databases, and secure API layers.
- Node.js & PHP Backend APIs: Express, RESTful endpoints, GraphQL, and real-time WebSocket communication
- Relational Databases & ORMs: NeonDB (Serverless PostgreSQL), MySQL, Prisma ORM, raw SQL query optimization & indexing
- Authentication & Security: JWT, OAuth 2.0, bcrypt password hashing, CSRF protection, and RBAC authorization
- CI/CD & DevOps: Docker containerization, Vercel deployments, GitHub Actions automation & environment configuration
- Automated E2E Testing: Playwright & Jest test suites for zero-regression production deployments
Frontend Engineering & Web Applications
React, Next.js & Modern UI Architecture
Building lightning-fast, reactive web applications with state-of-the-art UI performance.
- React & Next.js App Router: Server Components (RSC), Server Actions, SSR, ISR, and dynamic edge rendering
- Strict TypeScript Engineering: End-to-end type safety across client interfaces, props, and backend payload contracts
- Tailwind CSS & Design Systems: Tokenized design systems, responsive flex/grid layouts & micro-animations (Framer Motion)
- Core Web Vitals & Performance: 95+ Lighthouse optimization, image auto-scaling, dynamic lazy-loading & CLS control
- Cross-Browser Standards: Pixel-perfect Figma design implementation, accessibility (WCAG), and browser compatibility
AI Engineering & Automation Pipelines
RAG Knowledge Bases & LLM Workflows
Integrating intelligent AI agents, RAG vector retrieval, and automated business processing tools.
- RAG & Vector Knowledge Base: Embedding site content, documents, and FAQs for contextual LLM responses
- LLM Integrations: OpenAI (GPT-4o), Google Gemini API, and local Ollama model integration with custom system prompts
- Automated Workflow Pipelines: n8n, Dify, webhooks, automated CRM lead capture, and Mailtrap notification dispatchers
- Interactive AI Widgets: Embeddable chat widgets with live streaming responses, lead collection & transcript auditing
Project Spotlight
MacManus Asset Finance Portal
A closer look at one of my recent full-stack builds — engineered end-to-end with React, Next.js, and a custom content architecture, designed for speed...
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!
HOW TO PLAY
Steer your rocket down the fiber-optic highway. Keep Lighthouse Vitals at 100%!
How To Play & Controls
Desktop & MobileWeb Performance Legend
Score 350+ Points & Claim Reward
Reach 350+ points to unlock a Free 30-Minute Architecture & Codebase Speed Audit for your business platform.
React, Next.js & WordPress Projects
A curated selection of production builds — from custom WordPress platforms and plugin development to full-stack React and Next.js applications backed by Prisma and NeonDB.
Estimate Your Project Scope & Architecture
Select your requirements to see estimated timelines, recommended technical stack, and request an itemized proposal within 24 hours.
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.
Scope Summary & Stack
3–6 weeks
Includes full QA testing, responsive breakpoints, and Core Web Vitals audit.
Lock In Your Proposal & Call
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.
Fixed-Scope Project Sprint
Best for ground-up MVP builds, custom web application development, or complete platform redesigns with well-defined specs.
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.
Codebase Rescue & Speed Audit
1–2 week intensive optimization for slow, legacy, or buggy Next.js/WordPress websites needing sub-second performance.
Latest Articles & Case Studies
Deep dives into React, Next.js 14 App Router, bespoke WordPress architecture, and AI workflow integrations.
Professional Experience
Over a decade of progressive engineering roles across agencies, corporate products, and global freelance contracts.
- Ortigas Pasig, Philippines
- august99.com
Expertise in WordPress architecture, custom theme and plugin creation, Bedrock/Sage frameworks, and modern React/Next.js client web applications. Emphasizes UI/UX precision, SEO performance optimization, accessibility compliance, and enterprise security measures.

Client Testimonials & Proven Results
Trusted by agency partners, business owners, and tech leaders to deliver high-quality engineering.
Have a Project in Mind? Let's Build It Together.
Whether you need a modern web application, custom WordPress architecture, or an automated workflow integration — I'm here to turn your vision into a scalable, high-converting digital product.
Fast Turnaround & Dedicated Support
Open for new projects, custom feature development, and long-term retainer engagements.
Under 24 Hours
Open for New Work