Custom Scripts & Features
Purpose-built scripts, forms and business features shaped around your requirements and existing website.
UK-based · Custom programming & automationWhatsApp +447441488036
UK-based · Specialist programming
Luiz Specialist ProgrammerCustom scripts. Smarter systems.
I'm Luiz, a UK-based specialist programmer building custom scripts, AI-powered automation and connected systems for online businesses. I help you add useful features, streamline everyday work and improve your website — with clear requirements, practical testing and a handover you can understand.
Discuss your requirements directly with me. Agree the scope, price and timeline before work begins.
Clear project scope 30-day script aftercare Agreed pricing before work
Luiz
UK-based specialist programmer
Custom programming
30-day script aftercare
UK
Based in the United Kingdom
Custom
Scripts & integrations
Clear
Scope & pricing
Direct
Work with Luiz
UK-Based Specialist Programmer Custom Scripts & Automation Clear Project Scope Agreed Pricing Before Work Direct Communication With Luiz Practical Testing & Handover UK-Based Specialist Programmer Custom Scripts & Automation Clear Project Scope Agreed Pricing Before Work Direct Communication With Luiz Practical Testing & Handover
Specialist programming services
Programming built around your business.
AI & Workflow Automation
Connect routine tasks, customer enquiries and business processes with practical automation and AI-assisted workflows.
API & System Integrations
Connect your store, payment services and business systems, with validation and error handling for the agreed workflows.
eCommerce Programming
Customise shopping experiences, product pages and checkout behaviour within your platform's supported capabilities.
Performance & Technical SEO
Assess loading speed, script overhead and indexing issues, then check the impact of the agreed improvements.
Debugging & Website Support
Investigate code errors, theme conflicts and broken functionality, with a clear explanation of the cause and proposed solution.
Website upgrades
Extend your website. Improve how it works.
From new features to modernisation, changes are scoped to your existing website and checked before release.
Website Redesign & Upgrade
Modernise layouts and mobile experiences while planning for existing content, URLs and search visibility.
Version & Stack Upgrades
PHP, WordPress core, Laravel, React and Node versions upgraded safely on staging, with every breaking change patched.
New Features & Pages
Booking, subscriptions, wholesale pricing, member areas, dashboards and landing pages added to what you already own.
Mobile & UX Improvements
Improve navigation, readability and checkout usability across the agreed devices and pages.
Technical SEO Upgrade
Core Web Vitals, schema, sitemaps, redirects and crawl errors handled so Google can finally read your site properly.
Migration & Hosting Moves
Plan hosting, domain or platform moves with backups, SSL checks and a defined release window.
Scripts & apps
Purpose-built scripts for your next step.
Explore scripts for automation, customer experience and store functionality. Each package explains its features, deliverables and price, so you can choose with confidence.
Ask about a script
AI Automation
Turn repetitive store tasks into connected, dependable workflows — with a tailored setup, failure alerts and a clear handover.
Premium AI Customized Theme
Give your store a distinctive, premium storefront: brand-matched layouts, polished product pages and a mobile-first shopping experience.
Conversion Rate Optimizer
Make the path to purchase clearer with a focused funnel audit, friction fixes and measurement-ready improvements.
Premium Script Licensing
A clean, properly configured script stack with genuine licensing, safe installation and an understandable handover.
Search Engine Optimization
Give search engines a cleaner technical foundation with focused metadata, structured data, sitemap and crawl improvements.
Script Conflict Debugging
Get a clear diagnosis and a targeted repair when a script or theme update breaks your store — without blind trial and error on the live site.
Product Review Script
Turn genuine customer feedback into polished, useful product-page reviews with a custom review script, moderation and brand-matched presentation.
Technical SEO & performance scripts
Technical foundations for a stronger website.
Structured data, indexing, performance and website health services with defined deliverables. Rankings and traffic depend on factors beyond any single script.
Structured Data (JSON-LD) Validation
Product, article and business schema written and validated so Google shows rich results instead of warnings.
JavaScript Error Detection & Fixing
Console errors, broken buttons and failed scripts traced to the exact line and repaired.
Theme & App Code Conflict Detection
Duplicate scripts, leftover app snippets and theme overrides found and untangled.
Core Web Vitals & Page Speed
LCP, CLS and INP brought into the green with real fixes, not a caching script band-aid.
Broken Internal Links Detection
Every dead internal link, image and menu item crawled, listed and fixed or redirected.
Robots.txt Configuration & Validation
Crawl rules rewritten so search engines index what matters and skip what doesn't.
XML Sitemap Issue Fixing
A clean, accurate sitemap containing only real, indexable URLs — and nothing else.
Canonical Tag Issue Fixing
Self-referencing canonicals set correctly so duplicate pages stop competing with each other.
404 Error & Redirect Management
A proper redirect map plus a helpful 404 page that keeps visitors on the site.
Image Optimization Scripts
Every image compressed, resized, converted to WebP/AVIF and lazy-loaded without quality loss.
Google Merchant Center Fixing
Disapproved products, feed errors and policy warnings cleared so your ads keep running.
Search Console & Crawl Errors
Search Console connected properly, then every coverage and crawl error worked through.
Script questions
Pricing, licensing and setup — answered.
Project commitments
Transparent work you can actually verify.
Scope
Know what is included
Deliverables, dependencies and exclusions are clarified before work begins, so you know what you are buying.
Test
Check the agreed workflows
Functionality is checked across the affected website areas. Platform limits and third-party dependencies are explained.
Own
Understand your handover
Receive setup notes and a demonstration. Any third-party licences and ongoing costs are identified in your scope.
1:1
Speak directly with Luiz
Discuss requirements, progress and questions with the specialist programmer working on your project.
Websites I work on
Programming for stores, platforms and business websites.
How it works
From your idea to a tested solution.
01
Share your project
Describe what you want to build, connect or improve. Share your website link and any relevant examples.
02
Scope & quote
I review your requirements and confirm the deliverables, price and estimated timeline before work starts.
03
Build & test
Changes are developed and checked against the agreed requirements, using a backup and test environment where available.
04
Proof & handover
You receive a demonstration of the delivered work, setup notes and the support terms agreed for your project.
Programming examples
Example challenges and programming approaches.
These illustrative scenarios explain how common website issues can be approached. They are not verified client case studies or promises of identical results.
ShopifySame day
Checkout failing on higher-value orders
- Before
- Orders above a certain total failed at the payment step with no error message.
- After
- Script removed and checkout re-tested across every payment method and total.
Illustrative solution · scope varies by project
WooCommerceUnder 2 hours
Whole store offline after a script update
- Before
- A blank white page on every URL, including the admin login.
- After
- Script rolled back from the file system, site restored, safe update path documented.
Illustrative solution · scope varies by project
WordPress1–3 days
Malware warning and spam redirects
- Before
- Visitors from search were redirected to spam pages and browsers showed a warning.
- After
- Files and database cleaned, entry point closed, site hardened and re-submitted for review.
Illustrative solution · scope varies by project
Shopify1–2 days
Very slow product pages on mobile
- Before
- Heavy uncompressed images and blocking third-party scripts on every page.
- After
- Images compressed and resized, unused apps removed, scripts deferred, speed re-measured.
Illustrative solution · scope varies by project
WordPressSame day
Enquiry forms silently failing
- Before
- Forms showed a success message but no email ever arrived.
- After
- Mail delivery rebuilt through an authenticated sender, with alerts if sending fails again.
Illustrative solution · scope varies by project
Custom / API2 days
Stock sync overselling products
- Before
- Warehouse stock and store stock drifted apart, so sold-out items stayed buyable.
- After
- Integration rebuilt with retries, logging and alerts on failure.
Illustrative solution · scope varies by project
Client testimonials and project screenshots are published only with permission. If we have worked together and you would like to share your experience, send your review.
Existing repair & maintenance services
Website support packages
Quick Fix
One clear bug
$40from
- Single error or layout bug
- Same-day turnaround
- Video proof of the fix
- 14-day aftercare
Priority support
Emergency Rescue
Site down / checkout broken
$99from
- Priority start within 2 hours
- Full backup + staging repair
- Root-cause report
- 30-day script aftercare
Full Tune-Up
Speed, security, stability
$199from
- Complete site audit
- Speed & Core Web Vitals work
- Malware scan + hardening
- 60 days of support
FAQ
Questions owners always ask.
Project enquiries
Tell me what you want to build or improve.
No sales call, no jargon. Send the link and what you're seeing — you'll get a plain English answer, a fixed price and a timeline.
WhatsApp +447441488036 info.luizdeveloper.fixer@gmail.com
Timeline confirmed after reviewing your brief
UK-based · Remote projects worldwide
Start a project enquiry
Share your requirements, website link and preferred timeline. We can discuss the right approach and confirm the scope before you commit.
No passwords needed for an initial enquiry.