Available for Contracts, Part-Time & Full-Time (Remote) 10+ Years Enterprise Architecture • AI & Workflow Automation • High-ROI Engineering
Mateusz Kimont - Principal Full-Stack & AI Automation Architect
10+ Yrs Principal • Certified

Mateusz Kimont

Principal Full-Stack Engineer & AI Automation Architect

Engineering High-Velocity Web Systems & Intelligent AI Automations That Multiply Revenue

From architecting $1M+ React & PHP 8.3 platforms processing 40M+ annual transactions to deploying 24/7 AI Chatbots, WhatsApp Business agents, and n8n automation pipelines—I turn complex technical bottlenecks into measurable business growth.

"Be careful of extrapolating patterns without proof" — Grant Sanderson
$1M+
Client Value Generated
React self-service & bespoke e-commerce systems
40M+
Annual Transactions
High-volume cross-platform payment architecture
2x–20x
Performance Gains
Production load times cut from 4.0s down to 200ms
24/7
AI & n8n Automation
WhatsApp bots, RAG agents & zero-touch workflows
Production Experience & Client Impact Across:
Wine.com CMO Superstores RLDatix The Insurance Emporium BNP Paribas Real Estate Canal+ Northern Gas Networks
Tailor this portfolio view for your goals:
✦ Next-Gen AI & Autonomous Workflows

AI & Business Workflow Automation

Eliminate repetitive manual work, capture leads in seconds, and connect your entire software stack with production-grade AI and automation.

Save 20–40+ hrs/week

n8n, Make & API Workflow Orchestration

End-to-end multi-step automation pipelines (self-hosted n8n, Make.com, Zapier, or custom Node/PHP webhooks) that synchronize your CRM, Stripe/payments, ERP, Slack, Google Workspace, and databases in real time with zero manual data entry.

n8n (Self-Hosted / Cloud) Make.com Custom Webhooks REST / GraphQL CRM & Stripe Sync
Instant 24/7 Lead Capture

WhatsApp Business & Omnichannel AI Bots

Official WhatsApp Business API & multi-channel bots (Telegram, SMS, Instagram, Web) that qualify leads, book appointments into your calendar, look up live order statuses, process voice notes, and hand off warm buyers to your sales team.

WhatsApp Cloud API Twilio / Meta API Automated Booking Multi-Language (EN/ES/PL) Live Order Lookup
Resolve 75%+ Support Tickets

Custom AI Chatbots & RAG Knowledge Agents

Bespoke AI assistants trained securely on your company PDFs, product catalogs, policies, and live databases (Retrieval-Augmented Generation). Zero hallucinations, strict brand guardrails, and direct integration into your website or internal portal.

OpenAI / Claude / Gemini RAG & Vector DBs Custom Knowledge Base Function Calling Lead Qualification
Enterprise Grade

Custom MCPs, AI Copilots & Legacy Bridges

Model Context Protocol (MCP) servers, automated CSV/PDF invoice data extraction, AI-assisted QA testing (Playwright/Webdriver.io), and clean architectural bridges connecting modern AI agents to legacy PHP, Backbone, or SQL systems.

Model Context Protocol (MCP) Document / CSV AI Parsing Legacy System Integration Headless Browser Automation

Live Architecture Blueprint: How Your AI & Automation Pipeline Works

Click any node below to inspect how I engineer reliable, self-healing automation systems:

LIVE ARCHITECTURE NODE INSPECTOR

1. Omnichannel Trigger — WhatsApp, Web Chat, Webhook, Email

Customer sends a WhatsApp message, submits a web form, uploads a CSV/PDF order, or triggers a Stripe/WooCommerce webhook event.

📊 INTERACTIVE ROI ESTIMATOR

Calculate Your AI & n8n Automation Savings

See how much manual team time & budget you recover by automating repetitive support, lead qualification, and CRM/CSV data entry:

Time Reclaimed (80% Auto) 1,040 hrs/yr
Est. Annual Savings $41,600/yr
Book an Automation Audit →
★ Proven Production Systems

Featured Production Case Studies

⚡ ENGINEERING VELOCITY & CORE WEB VITALS

Why Clients Hire Me to Fix Slow, Legacy Platforms

Every 100ms of latency costs e-commerce & SaaS businesses up to 1% in conversions. I specialize in turning sluggish 4+ second legacy systems into sub-second revenue engines.

Typical Legacy Store / Healthcare App (Before) 4.0s
CMO Superstores (PHP 8.3 & AWS Overhaul) 2x Faster (-50%)
Printing CMS (OpenLiteSpeed + AWS CloudFront) 0.3s FCP | 0.8s LCP
RLDatix Healthcare Platform Optimization 0.2s (200ms — 20x)
Bespoke 3D Printing & Personalization CMS £250k+ Est. Year-1 Value • 0.3s FCP
Charlesworth Press / Billy Gift

Bespoke 3D Printing & Personalization CMS

Independently architected and built from scratch a full-scale personalized product e-commerce CMS with 125+ configuration fields, 1-click photo-to-product generation, interactive 3D previews, XLS/CSV batch order processing, and Google Drive auto-sync.

PHP / WooCommerce Canvas 3D API AWS S3 & CloudFront Google Drive API CSV Batch Automation
Watch 8 Video Demos & Case Study →
High-Impact Corporate Gifting Self-Service Platform $1M+ Projected Value
Wine.com (Major US E-Commerce)

High-Impact Corporate Gifting Self-Service Platform

Architected a modern React & TypeScript self-service corporate gifting web application seamlessly integrated into a massive legacy Backbone.js platform—empowering B2B buyers and drastically slashing manual customer support overhead.

React & TypeScript TanStack Query Legacy Backbone Bridge Docker Optimization Enterprise E-Commerce
View Architecture Details in CV →
Full-Stack 2x Performance & Cloud Overhaul 100%+ Faster Load Speed
CMO Superstores Ltd

Full-Stack 2x Performance & Cloud Overhaul

Spearheaded the modernization of primary e-commerce production stores from PHP 7.3 to 8.3, redesigned AWS cloud infrastructure, re-engineered the core payment processing wrapper, and optimized SQL/REST API bottlenecks for a 2x speed boost.

PHP 8.3 Migration AWS Architecture Payment Security Wrapper Database Optimization REST APIs
Explore DevOps & Cloud Stack →
Vue 3.5 Instant-Search Architecture Refactor 2.5x Faster Interaction • 0ms Filter
Keystone Law (540+ Lawyer Directory)

Vue 3.5 Instant-Search Architecture Refactor

Refactored a sluggish Vanilla JS directory of 540+ legal professionals into a blazing-fast 100-line Vue 3.5 application with zero-latency multi-letter filtering, zero extra server calls, native CSS Flexbox/Sticky layout, and 2x faster first paint.

Vue.js 3.5 Frontend Performance Zero-Latency Filtering Clean 100-Line Architecture
Read Benchmark Report →
✓ Track Record of Execution

Quantified Impact & Key Achievements

01 24/7 Autonomous Ops

AI Workflow, WhatsApp & Chatbot Automation

Architect and deploy production AI solutions—combining n8n workflow automation, WhatsApp Business API bots, and custom LLM/RAG chatbots—to automate customer support, instant lead qualification, and multi-system CRM/ERP syncing.

02 $1M+ Projected ROI

High-Volume Self-Service E-Commerce ($1M+ Value)

Architected and delivered a high-impact React & TypeScript corporate gifting self-service application for Wine.com, seamlessly bridging a complex legacy Backbone.js platform and slashing manual support overhead.

03 40M+ Annual Txns

High-Volume Payment Integration (40M+ Txns/Yr)

Developed and integrated cross-platform payment wrappers responsible for securely processing over 40 million transactions annually and ensuring 3D Secure compliance for £45M+ turnover.

04 4.0s → 200ms Speedup

Full-Stack 2x–20x Performance Overhauls

Doubled production store speed at CMO Group (PHP 8.3 upgrade, AWS architecture redesign, SQL/API optimization) and cut healthcare app load times at RLDatix from 4 seconds down to 200ms (saving 8+ developer hours daily).

05 125+ Configs • 0.3s FCP

Bespoke 3D Printing CMS (£250k+ Year-1 Value)

Independently engineered a custom e-commerce personalization CMS from the ground up with 125+ configuration fields, 3D live previews, 1-click photo/CSV batch product generation, and Google Drive sync. Watch Video Demos →

06 99% Google Score

Enterprise Customer Portal & 16-App Analytics

Built the external customer insurance portal for The Insurance Emporium and rolled out full-scale Google Analytics, GTM & Enhanced Ecommerce tracking across 16 complex JS applications.

07 16 JS Apps Covered

Automated Headless QA Testing Infrastructure

Designed and deployed a fully automated headless testing cluster using Linux, Ansible (IaC), Docker, and Webdriver.io/Playwright integrated into Jenkins CI/CD with automated screenshot & console error reporting.

🏛️ Enterprise & Scale-Up Leadership

Senior & Principal Engineering Track (10+ years)

Principal / Senior Full-Stack & AI Automation Consultant @ Wine.com & B2B Client Contracts

$1M+ Impact 2025 – Present
  • Architected and delivered a high-impact React & TypeScript self-service corporate gifting web application for Wine.com, projected to generate $1M+ in value by eliminating manual support bottlenecks.
  • Engineered a clean integration bridge between modern React/TanStack Query state management and a massive legacy Backbone.js e-commerce platform.
  • Overhauled the Docker local development environment to drastically cut build times and integrated stack tracing & performance observability dashboards.
  • Design and deploy bespoke AI & workflow automations for B2B clients, including n8n multi-system pipelines, WhatsApp Business chatbots, custom RAG assistants, and MCP integrations.

Principal Engineer @ CMO Group (CMO Superstores Ltd)

2x Speed Overhaul 2024 – 2025 (7 months)
  • Orchestrated a full-stack performance overhaul across primary e-commerce production stores, achieving a 100%+ (2x) speed improvement.
  • Led the seamless migration of the core codebase from PHP 7.3 to PHP 8.3, redesigning the AWS cloud architecture and optimizing SQL queries and RESTful APIs.
  • Re-engineered the core payment processing wrapper to strengthen transactional integrity, security defenses, and fault tolerance.

Lead Application & Product Engineer @ Charlesworth Press

£250k+ Year-1 Value 2020 – 2024 (3.5+ years)
  • Independently conceived, architected, and built 'Printing CMS' from scratch—a bespoke e-commerce personalization platform for custom notebooks, planners, cards, and mugs.
  • Delivered 0.3s FCP and 0.8s LCP Google Core Web Vitals scores using OpenLiteSpeed, AWS S3 + CloudFront, Canvas 3D previews, and JSON/transient DB optimization.
  • Built 1-click photo-to-product generation, XLS/CSV batch order processing, and automated Google Drive synchronization.

Software Analyst & Full-Stack Developer (Contract) @ RLDatix

4s → 200ms Speed 2020 – 2021 (Contract)
  • Reduced mission-critical healthcare software loading times from 4 seconds to 200ms (20x faster), saving ~8 hours of engineering wait time across the team every single day.
  • Established Jira Scrum workflows, Git code-review standards, CLI developer man-pages, and end-to-end REST API & multi-server data-flow documentation.
  • Resolved complex international bugs including backporting Angular and jQuery calendars for Arabic localization across UK, Saudi Arabia, Canada, and Australia operations.

Senior Full-Stack Developer & QA/SEO Lead @ The Insurance Emporium

£45M+ Turnover 2016 – 2020 (4 years)
  • Led frontend architecture for the customer self-service portal (portal.theinsuranceemporium.co.uk) and managed 10+ production sites across Symfony, Laravel, Zend, Backbone, and Ember.
  • Ensured 3D Secure payment gateway compliance for £45M+ annual turnover and implemented Google Enhanced Ecommerce, GTM, and Hotjar across 16 apps (achieving a 99% Google score).
  • Built and deployed custom headless automated testing servers (Linux, Ansible, Docker, Jenkins, Webdriver.io) covering desktop and mobile quote engines.
🎨 Pixel-Perfect UI & High-Profile Brands

Digital Agency & Brand Portfolio (16+ Major Brands)

Delivered pixel-perfect, high-converting websites, e-commerce platforms, and interactive animations for 16+ major brands while at top London & UK digital agencies (We Are Marvellous, Grapple, Xanda).

Delivered at top UK agencies: We Are Marvellous • Grapple • Xanda (plus Canal+ & UWM)
Explore All 16+ Visual Projects →
⚙️ Full-Spectrum Engineering Mastery

Architecture & Technical Stack Drilldown

AI, Chatbots & n8n Automation

n8n (Self-Hosted & Cloud) WhatsApp Business Cloud API OpenAI / Claude / Gemini APIs RAG & Vector DBs (pgvector/Pinecone) Model Context Protocol (MCP) Make.com & Zapier Twilio & Omnichannel Bots Automated CSV/PDF Parsing
AI, Chatbots & n8n Automation →

Frontend (React / Vue / TS)

React & TypeScript Vue.js 3.5 TanStack Query / SWR JavaScript (ES6+ / Vanilla) HTML5 / CSS3 / SCSS / Tailwind Canvas 3D / GreenSock / D3.js Angular / Backbone / Ember (Legacy) GTM / GA4 / Core Web Vitals
Frontend (React / Vue / TS) →

Backend & PHP 8 Architecture

PHP 8.3 (Strict OOP & FP) Symfony 5–7 & Laravel Node.js & Express RESTful APIs / GraphQL / gRPC MySQL / PostgreSQL / MongoDB Redis & Memcached WordPress / WooCommerce (Headless/Custom) RabbitMQ / CQRS / DDD / Hexagonal
Backend & PHP 8 Architecture →

Cloud, DevOps & QA Automation

AWS (S3, CloudFront, EC2, RDS) Docker & Kubernetes Ansible (IaC) & Terraform Jenkins / GitHub Actions / Buildkite Playwright / Cypress / Webdriver.io PHPUnit / PHPStan / Psalm OpenLiteSpeed / Nginx / Cloudflare Datadog / New Relic / ELK / Grafana
Cloud, DevOps & QA Automation →
🤝 Tailored Collaboration

Flexible Ways We Can Work Together

🏆 Credentials & Background

Awards, Certifications & Multidisciplinary Foundation

Awards & Industry Certifications

Multidisciplinary University Foundation

Pursued 3.5 years of full-time higher education across Computer Science (Nicolaus Copernicus University), Philosophy, and Fine Arts (University of Warmia & Mazury), plus an ISCED 4 IT Technician diploma—combining rigorous algorithmic logic with visual design psychology.

🌍 Languages: English (Fluent), Polish (Native), Spanish (Fluent), Portuguese & French (Basic)

Let's Build Something High-Impact

Fast Response (Typically < 2 hours)

Ready to launch an AI automation, overhaul site speed, or scale your engineering team?

Whether you need a custom WhatsApp / n8n AI workflow, a high-converting e-commerce store, a zero-commission restaurant delivery platform, or a battle-tested Principal Engineer (Contract, Part-Time, or Full-Time)—reach out directly.

admin@yorkman.co.uk Message on LinkedIn
Profiles & Code: GitHub • StackOverflow • X (Twitter) • Interactive CV • PDF Resume

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