Harvey VanceTechnical portfolio
AI systemsFull Stackproductionengineering.
A technical portfolio showing how AI, full-stack software, APIs, enterprise WordPress and cloud delivery connect into production-ready systems.
PRODUCTION AI SYSTEMORCHESTRATED DELIVERY
01Dataclean inputs02Contexttrusted context03Modelreasoned output
Production
AI System
AI System
04Toolssafe actions05APIsconnected systems06Productusable experience
BehaviourValidated
DeliveryLive Ready
Context aligned Integrations connected Monitoring in place
Technology Stack
The stack is broad, but the purpose is focused.
The capability spans AI systems, backend engineering, enterprise WordPress, frontend product work, APIs, integrations and cloud delivery. The aim is not to collect tools, but to connect the right layers into one dependable system.
01
AI & LLM Systems
- Python
- Jupyter
- FastAPI
- OpenAI APIs
- Anthropic APIs
- Prompt Design
- Structured Outputs
- Tool Calling
- Function Routing
- RAG Pipelines
- Evaluation
- Guardrails
- Observability
- Iteration
- Model Selection
- Token Budgets
- System Prompts
- Few-shot Patterns
- JSON Schemas
- AI UX
- Safety Rules
- Latency Thinking
02
Retrieval & Knowledge
- Vector Search
- Embeddings
- Chunking
- Semantic Search
- Hybrid Search
- Metadata Filtering
- Document Ingestion
- Content Pipelines
- Knowledge Bases
- Search UX
- Ranking Logic
- Context Windows
- Caching
- Access Control
- Relevance Tuning
- PDF Parsing
- Taxonomies
- Index Strategy
- Query Expansion
- Source Citations
- Freshness Rules
- Data Boundaries
03
Automation & Agents
- Workflow Automation
- Agent Orchestration
- Event Pipelines
- Webhooks
- Task Queues
- Cron Jobs
- Background Workers
- Rule Engines
- Email Flows
- Notifications
- Internal Tools
- Ops Scripts
- CLI Utilities
- Automated Actions
- Human Review
- State Machines
- Retries
- Approvals
- Audit Trails
- Escalation Paths
- Form Triggers
- Process Mapping
04
Backend Engineering
- PHP 8+
- Python Services
- Laravel
- Node.js
- OOP
- Service Layers
- Business Logic
- Server Config
- Linux
- Nginx
- Apache
- Version Control
- Shell
- Container Ready
- Authentication
- Permissions
- Caching
- Queues
- API Clients
- Error Handling
- Logging
- Reusable Modules
05
APIs & Integrations
- REST APIs
- JSON
- OAuth
- API Design
- API Consumption
- CRM Integration
- Payment Gateways
- SSO Concepts
- Webhook Security
- 3rd Party Platforms
- Form Integrations
- Data Sync
- Error Handling
- Documentation
- Rate Limits
- Pagination
- Retry Logic
- Mapping Rules
- Integration Testing
- Vendor APIs
- Event Payloads
- Access Tokens
06
Frontend Engineering
- React
- Next.js
- JavaScript
- TypeScript
- HTML5
- CSS3
- SCSS
- Tailwind
- Bootstrap
- Vite
- Webpack
- jQuery
- Interactive UI
- Component Design
- Responsive Layouts
- Animations
- Forms
- Accessibility
- State Patterns
- API UI
- Design Systems
- Mobile UX
07
WordPress Architecture
- WordPress
- Custom Themes
- Custom Plugins
- Gutenberg
- Custom Blocks
- ACF Pro
- CPT UI
- Taxonomies
- Multisite
- Performance
- SEO
- Editor UX
- Admin UX
- Maintainability
- REST API
- WP-CLI
- Hooks
- Filters
- Templates
- Block Patterns
- Theme JSON
- Query Loops
08
WooCommerce & CMS
- WooCommerce
- Checkout Flows
- Payment Plugins
- Product Data
- Order Logic
- Subscriptions
- Membership Concepts
- Forms
- Content Models
- Reusable Blocks
- WPBakery
- Elementor
- Search & Filter
- Relevanssi
- Product Filters
- Cart UX
- Coupons
- Shipping Rules
- Stock Logic
- Import Tools
- Customer Flows
- Admin Workflows
09
Data & Databases
- MySQL
- PostgreSQL
- Schema Design
- Queries
- Indexes
- Migrations
- Data Import
- Data Cleanup
- Reporting
- Structured Content
- Search Data
- Analytics Data
- Data Validation
- Backups
- Relational Design
- Query Optimisation
- Exports
- Aggregations
- Data Mapping
- Content Migration
- Data Quality
- Audit Fields
10
Cloud & DevOps
- Azure
- GCP
- Docker
- GitHub Actions
- Git
- CI / CD
- Bash
- Cloudflare
- Deployment
- Hosting
- Environment Config
- Release Flow
- Monitoring
- Operational Support
- DNS
- SSL
- Staging
- Production
- Secrets
- Build Pipelines
- Rollback Plans
- Server Logs
11
Quality, SEO & Delivery
- Testing
- Usability
- Accessibility
- Performance
- Core Web Vitals
- Technical SEO
- On-page SEO
- Debugging
- Code Review
- Documentation
- Estimation
- Agile Delivery
- Stakeholder Comms
- Continuous Improvement
- QA Plans
- UAT Support
- Regression Checks
- Analytics Review
- Sitemap Logic
- Schema Markup
- Page Speed
- Issue Triage
12
Performance & Optimisation
- Caching
- Asset Optimisation
- Lazy Loading
- Image Strategy
- Database Indexes
- Query Monitor
- Profiling
- Core Web Vitals
- Bundle Size
- Critical CSS
- CDN Strategy
- Server Response
- Compression
- Preloading
- Render Paths
- Memory Use
- Slow Queries
- Front-end Audits
- Backend Bottlenecks
- Load Testing
- Mobile Speed
- Caching Rules
13
Security & Access
- Authentication
- Authorisation
- Roles
- Permissions
- Input Validation
- Output Escaping
- Nonce Checks
- CSRF Protection
- API Tokens
- OAuth
- Secret Handling
- File Permissions
- Backups
- Update Strategy
- Plugin Risk
- Audit Trails
- Secure Forms
- Rate Limiting
- Spam Controls
- Access Logs
- Data Privacy
- Least Privilege
14
Product UX & Design Systems
- UX Thinking
- UI Systems
- Component Libraries
- Responsive Design
- Design Tokens
- Interaction Design
- Accessibility
- User Journeys
- Content Hierarchy
- Conversion Paths
- Form UX
- Editor Experience
- Admin Interfaces
- Prototypes
- Micro-interactions
- Navigation Systems
- Information Architecture
- Usability Testing
- Design QA
- Visual Polish
- Mobile Patterns
- Recruiter Clarity
15
Leadership & Stakeholders
- Technical Ownership
- Discovery
- Requirements
- Scoping
- Estimating
- Prioritisation
- Stakeholder Updates
- Client Communication
- Non-technical Translation
- Technical Planning
- Mentoring
- Code Reviews
- Risk Management
- Budget Awareness
- Delivery Roadmaps
- Decision Records
- Trade-offs
- Sprint Planning
- Handover
- Documentation
- Support Planning
- Team Collaboration
16
PHP Ecosystem
- Composer
- Namespaces
- Autoloading
- OOP PHP
- PSR Concepts
- Dependency Management
- Package Updates
- Custom Libraries
- Template Engines
- Environment Config
- PHPStan Concepts
- Error Logs
- Debugging
- Form Handling
- Sessions
- Authentication
- Caching
- Routing
- CLI Commands
- Cron Scripts
- API Clients
- Legacy Modernisation
17
JavaScript Tooling
- ES6+
- TypeScript
- Vite
- Webpack
- Babel
- NPM
- Yarn
- Modules
- Fetch API
- DOM APIs
- Animation Logic
- State Handling
- React Hooks
- Next.js Routing
- Build Scripts
- Linting
- Bundling
- Tree Shaking
- Component Patterns
- Async Logic
- JSON Handling
- Browser Debugging
18
Search & Discovery
- Relevanssi
- Search & Filter Pro
- Faceted Search
- Query Logic
- Indexes
- Synonyms
- Ranking
- Filters
- Taxonomies
- Custom Fields
- Map Search
- Nominatim
- Postcodes.io
- Leaflet.js
- Radius Search
- Haversine
- Geo Queries
- Search UX
- No Results States
- Result Cards
- Pagination
- Performance
19
Content Operations
- Editorial Workflows
- Gutenberg UX
- Reusable Blocks
- ACF Layouts
- Content Models
- Landing Pages
- Campaign Pages
- SEO Fields
- Media Handling
- Menus
- Redirects
- Sitemaps
- Schema Content
- Content Import
- WP All Import
- Admin Columns
- Role-based Editing
- Page Templates
- Preview Flow
- Publishing QA
- Content Migration
- Training Notes
20
Analytics & Measurement
- GA4
- Google Tag Manager
- Microsoft Clarity
- Heatmaps
- Session Recordings
- Events
- Conversions
- Funnels
- UTM Tracking
- Scroll Depth
- Click Tracking
- Form Tracking
- Dashboard Thinking
- SEO Metrics
- Core Web Vitals
- Search Console
- Reporting
- User Behaviour
- Experiment Ideas
- Insight Review
- Performance Signals
- Recruiter Tracking
21
Deployment Platforms
- GitHub Actions
- Buddy Works
- Azure Pipelines
- WP Engine Concepts
- Pantheon Concepts
- Cloud Hosting
- Staging Sites
- Production Releases
- Environment Variables
- Build Steps
- Deploy Hooks
- Branch Strategy
- Rollback
- Backups
- Database Sync
- Asset Builds
- Release Notes
- Smoke Tests
- DNS Cutover
- SSL Setup
- Monitoring Checks
- Post-release QA
22
Internal Tools
- Admin Dashboards
- CRM Utilities
- Automation Panels
- Data Importers
- CSV Tools
- Status Pages
- Support Tools
- Reporting Tools
- API Explorers
- Content Generators
- Workflow Boards
- Approval Tools
- Email Utilities
- Task Automation
- Form Processors
- Search Admin
- Bulk Actions
- Export Tools
- Validation Screens
- Diagnostics
- Operational Scripts
- Team Utilities
23
AI Product Strategy
- Use-case Discovery
- Feasibility Checks
- Model Fit
- Risk Review
- Data Readiness
- Prototype Scope
- Prompt Architecture
- Evaluation Criteria
- Human-in-loop
- Workflow Mapping
- Success Metrics
- Cost Awareness
- Latency Planning
- Privacy Review
- Stakeholder Demos
- Roadmap Ideas
- MVP Definition
- Production Path
- Quality Gates
- User Feedback
- Iteration Plan
- Adoption Support
24
Maintenance & Support
- Bug Fixing
- Urgent Issues
- Root Cause Analysis
- Patch Releases
- Monitoring Review
- Plugin Updates
- Security Updates
- Regression Testing
- Database Backups
- Documentation
- Technical Debt
- Refactoring
- Support Handover
- Incident Notes
- Performance Review
- Error Logs
- Broken Integrations
- Uptime Checks
- Client Support
- Stability Work
- Roadmap Cleanup
- Long-term Ownership
Ownership
One technical owner from problem to production.
The value is continuity: the same technical judgement that understands the brief also shapes the architecture, builds the system, connects the integrations and protects delivery quality.
01 Strategy02 Architecture03 Implementation04 Delivery
HVTechnical
Ownershipone thread through delivery
Ownershipone thread through delivery
Brief
Turn ambiguity into a clear technical direction.
Shape
Define architecture, risk, data and system boundaries.
Build
Create the software across AI, WordPress, APIs and product layers.
Connect
Join platforms, services, content workflows and operational tools.
Launch
Move through QA, environments, deployment and handover.
Improve
Use feedback and system signals to keep the product evolving.
Enterprise Work
Recognised platforms, real production delivery.
The strongest work is shown first: recognised organisations, high-scale environments, marketplaces, scientific publishing and enterprise WordPress delivery.
01 / FEATURED SYSTEM
HSBC SmartServe
Banking / Enterprise
View live website ↗
02 / FEATURED SYSTEM
Secure workflows / enterprise integration / onboarding systems
Secure digital onboarding and account-maintenance platform context. Highlights enterprise workflow thinking, integration architecture and complex stakeholder environments.
bet365
High-Scale Digital
View live website ↗
03 / FEATURED SYSTEM
High-scale product engineering / performance / digital platform
High-scale digital platform context that reinforces exposure to demanding user journeys, performance-led engineering standards and product scale.
Pets4Homes
Marketplace
View live website ↗
04 / FEATURED SYSTEM
Marketplace / structured content / user trust
Marketplace context with discovery, structured data, content scale, trust considerations and production performance needs.
MRC Laboratory of Medical Sciences
Biomedical Research
View live website ↗
Research platform / enterprise CMS / digital publishing
Biomedical research platform context supporting scientific communication, accessible publishing and enterprise-grade CMS architecture.
More production platforms
Additional delivered platforms, each shaped around content architecture, usability, performance and maintainable delivery.
01Banking / Enterprise
HSBC SmartServe
Secure digital onboarding and account-maintenance platform context. Highlights enterprise workflow thinking, integration architecture and complex stakeholder environments.
Visit live website ↗02High-Scale Digital
bet365
High-scale digital platform context that reinforces exposure to demanding user journeys, performance-led engineering standards and product scale.
Visit live website ↗03Marketplace
Pets4Homes
Marketplace context with discovery, structured data, content scale, trust considerations and production performance needs.
Visit live website ↗04Biomedical Research
MRC Laboratory of Medical Sciences
Biomedical research platform context supporting scientific communication, accessible publishing and enterprise-grade CMS architecture.
Visit live website ↗05Technology
Trustmarque
Technology solutions platform context requiring strong content architecture, maintainable interfaces and reliable delivery.
Visit live website ↗06Health / Fitness
Total Fitness
Consumer digital platform context for a multi-site organisation, balancing performance, UX and content structure.
Visit live website ↗07Health / Education
Reynolds Group
Multi-service organisation context spanning health, education and commercial activity, requiring clear information architecture and maintainable delivery.
Visit live website ↗Experience
Engineering depth, moving into production AI.
The experience story is a progression: agency delivery, enterprise WordPress, data-driven platforms, integrations, automation and now production AI systems.
2025 to Present01
ZAQR
AI Engineer & Lead Software Engineer
Production AI systems, Python, LLM integration, automation, API architecture, software leadership and end-to-end delivery.
2023 to 202502
WebPraxis
AI & Senior Software Engineer, Automation & Integrations
Enterprise WordPress delivery, automation-aware integrations, APIs, structured data, backend engineering and technical ownership across client platforms.
2019 to 202203
JB Cole
AI & Senior Software Engineer, Data, Workflows & Integrations
Business applications, workflows, integration design, databases, maintainable PHP systems, WordPress architecture and full-stack product engineering.
2016 to 201904
Dotdigital
AI & Software Engineer, Data-Driven Platforms
Data-driven digital platforms, reusable frontend components, integrations, production delivery and software shaped around measurable user needs.
Contact
Complex technical problem? Let’s engineer the right system.
For AI engineering, enterprise WordPress, full-stack systems, API integrations or technical ownership roles, I would like to hear what you are building.