Rowell BlancaSoftware Engineer
Engineering Portfolio & Client Builds

Selected Work

Flagship Deployments

Selected Engineering Case Studies

In-depth architectural breakdowns of mission-critical platforms built for UK & US businesses.

View Detailed Case Studies
BuildForUser Platform
US 🇺🇸 BuildForUser Inc
Multi-Tenant Web EngineVerified Build

BuildForUser Platform

SaaS platform for managing client websites at scale — automated WordPress and React deployments, centralized client management, and integrated billing, replacing manual agency ops with a single operational dashboard.

DatabaseNeonDB Postgres
ArchitectureServer Actions
Type Safety100% Strict
React/NextjsPrismaNeonDBTypeScriptNode.js
MacManus Asset Finance Portal
UK 🇬🇧 MacManus Commercial Broker
Multi-Tenant Web EngineVerified Build

MacManus Asset Finance Portal

Enterprise asset finance platform built for a regulated UK lender — end-to-end CRM lead pipeline, funder product directory, document hub, and support ticketing unified in one system.

Lighthouse Speed98 / 100
Time To First Byte140ms
Lead Capture+42% Lift
React/NextjsPrismaNeonDBTypeScriptCRM Pipeline
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Scope & Investment Calculator

Interactive Project Scope Estimator

Configure your technical requirements, select add-ons, and get a transparent timeline and budget estimate in 60 seconds.

Step 1 · Choose Engineering Core

Next.js / React Web App

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

Est. 3–6 weeksFrom $1,800

Custom WordPress & Gutenberg

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

Est. 2–4 weeksFrom $1,120

AI / Workflow Automation

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

Est. 2–3 weeksFrom $1,280

Dedicated Senior Dev Retainer

Continuous sprint shipping, daily standups, codebase maintenance, and feature iteration sprints.

Rolling Sprints$460 USD / mo
Step 2 · Select Included Architecture & Capabilities7 selected (3 Free Inclusions)
🎁 3 Included Free
Curated Feature PackagesClick to apply preset

Important Notice: Custom UI/UX Design is a specialized external fee ($360). Core software engineering does not include Figma mockups unless selected or provided by your design team.

Bespoke UI/UX Design Fee (Full Figma mockups & wireframes — required if design not provided)Design Fee
+$360
Technical SEO & Rich Schema LD Engine (Automated JSON-LD, sitemaps & search indexing)
+$240
Inbound Leads CRM & Sales Pipeline (Real-time capture, instant email alerts & Kanban)FREE
$0 (FREE)
Automated Email Follow-Up & Drip Campaigns (Multi-step lead nurture funnels)
+$210
Bespoke React Gutenberg Block SuiteFREE
$0 (FREE)
Client Portal & 1-Click SSO AuthenticationFREE
$0 (FREE)
Stripe Payments, Invoices & Subscriptions
+$360
24/7 Production Telemetry, Health Checks & Error Monitoring
+$160
Step 3 · Timeline & Urgency
⚡ Fast Sprint (2–3 Weeks)Priority queue for immediate launch
🚀 Standard Build (4–6 Weeks)Comprehensive phased production delivery
🔄 Monthly PartnershipOngoing sprint capacity & dedicated hours

Scope Summary & Stack

Direct Senior Dev
Calculated Project Scope:Next.js
Estimated Investment Range
$2,800 – $3,500 USD
Target Delivery:3–6 weeks
Recommended Architecture Stack
Next.js 15React 19TypeScriptTailwindCSSPostgreSQL
3 Free Premium Add-Ons Included ($0)
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

🔒 Direct senior response within 24h · Zero spam · Strict NDA
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
Most Popular for Agencies & Startups
Dedicated Retainer

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