Kevin van Deventer full-stack developer in a night office overlooking Tokyo while building digital solutions
Available for hire

Building DigitalSolutions ThatDrive Results.

Kevin van Deventer builds fast Next.js websites, custom web apps, AI integrations, and technical SEO improvements for businesses, founders, agencies, and hiring teams.

Technology Stack

Technologies I Build With

Modern web, cloud, AI, and performance tools used to ship fast websites, scalable applications, technical SEO improvements, and production-ready infrastructure.

  • Next.jsFramework
  • ReactFrontend
  • TypeScriptLanguage
  • Node.jsBackend
  • PostgreSQLDatabase
  • Tailwind CSSInterface
  • DockerDevOps
  • AWSCloud
  • AzureCloud
  • CloudflareEdge
  • VercelDeploy
  • GitHubWorkflow

WHAT DO YOU NEED HELP WITH?

Pick the path that matches why you are here.

Build a fast website, custom web app, AI integration, audit, or ongoing development support plan.

Best for businesses, founders, and creators who need a polished digital product without bloated templates or unclear technical handoffs.

Explore Services
Services

What I Can Build, Improve, or Maintain

Pick the service that matches your current business goal. Each option links to a dedicated service page with more detail for customers and search engines.

Next.jsReactSEO

Custom Website Development

Fast, custom Next.js websites for businesses, consultants, creators, and brands that need clearer messaging, stronger SEO, and higher conversion.

Included Advantage

  • Custom React and Next.js build
  • SEO-ready page structure
  • Mobile-first responsive layouts
TypeScriptNode.jsPostgreSQL

Web Application Development

Custom dashboards, SaaS products, portals, booking systems, and internal tools built with TypeScript, secure APIs, and scalable data structures.

Included Advantage

  • Type-safe application architecture
  • Database and API integration
  • Reusable product components
OpenAIClaudeRAG

AI Implementation

AI chat interfaces, RAG workflows, internal assistants, and automation pipelines that connect modern LLMs to real business processes.

Included Advantage

  • Custom chatbot setup
  • RAG and vector search
  • OpenAI and Claude workflows
LighthouseSchemaCWV

Performance & Technical SEO Audits

Speed, crawlability, metadata, structured data, accessibility, and Core Web Vitals audits for websites that need measurable ranking improvements.

Included Advantage

  • Core Web Vitals review
  • Technical SEO cleanup
  • Actionable improvement roadmap
ShopifyPayloadSanity

E-Commerce & CMS Development

Headless Shopify storefronts, editable CMS systems, product flows, and content operations for stores that need speed and design flexibility.

Included Advantage

  • Headless commerce frontend
  • CMS editing workflow
  • Product and content structure
SupportDevOpsSEO

Ongoing Support & Maintenance

Monthly development support for bug fixes, content updates, monitoring, small features, performance work, and long-term technical cleanup.

Included Advantage

  • Bug fixes and updates
  • Monitoring and maintenance
  • Monthly improvement backlog

FEATURED WORK

Evidence files from websites, apps, and interfaces.

View portfolio
DevFlow Dashboard
01Analytics Web App

DevFlow Dashboard

Problem: Operational data needed a cleaner, faster interface for scanning status and reporting progress.

Solution: Built a responsive dashboard with reusable views, chart areas, and a focused data hierarchy.

Result: Clearer reporting workflow and a stronger foundation for future product modules.

ReactTypeScriptTailwind
Open project
Ecom Store
02Commerce Experience

Ecom Store

Problem: The storefront needed a faster, more responsive shopping path with clearer product and checkout flow.

Solution: Created a modern e-commerce interface with cart behavior, payment readiness, and mobile-first layouts.

Result: A cleaner purchase journey built on a stack that can scale beyond a template storefront.

Next.jsStripeTailwind
Open project
Creative Portfolio
03Personal Brand Website

Creative Portfolio

Problem: Creative work needed a focused presentation that looked polished without overwhelming visitors.

Solution: Built a fast portfolio structure with strong visual hierarchy and direct project browsing.

Result: A lightweight showcase that helps visitors understand the person, work, and next action quickly.

HTMLCSSJavaScript
Open project

HOW PROJECTS WORK

A clear build route from discovery to launch and support.

How web development projects work with FullWebDevKev

  1. PHASE 01

    Discovery and Audit

    We clarify the business goal, user needs, current technical state, content requirements, risks, and the smallest useful release path.

    Client Role
    Discovery interview, existing assets, and decision-maker context.
    Deliverable
    Project scope, priority list, and success criteria.
    Technical Focus
    Requirements engineering, technical SEO review, analytics baseline.
  2. PHASE 02

    Architecture and UX Plan

    I map the page structure, data model, user flows, component strategy, and performance constraints before implementation starts.

    Client Role
    Approve structure, content direction, and interaction priorities.
    Deliverable
    Implementation plan, wireframes or UI direction, and technical blueprint.
    Technical Focus
    Next.js architecture, schema planning, accessibility-first UX.
  3. PHASE 03

    Focused Engineering

    The build moves in visible milestones with clean TypeScript, reusable components, responsive layouts, and reviewable staging updates.

    Client Role
    Review milestones and give focused feedback at agreed checkpoints.
    Deliverable
    Working staging link with iterative feature releases.
    Technical Focus
    React, TypeScript, APIs, database integration, design systems.
  4. PHASE 04

    Quality Calibration

    I test the experience for mobile behavior, accessibility, metadata, crawlability, performance, and conversion friction.

    Client Role
    User acceptance testing and final content confirmation.
    Deliverable
    QA pass, Core Web Vitals checks, SEO checks, and launch punch list.
    Technical Focus
    Lighthouse, structured data, semantic HTML, responsive QA.
  5. PHASE 05

    Launch

    The project is deployed with production configuration, redirects, metadata, sitemap, robots rules, analytics, and monitoring basics.

    Client Role
    Approve go-live and confirm final business details.
    Deliverable
    Live production URL and deployment handoff.
    Technical Focus
    CI/CD, Cloudflare/Vercel, edge deployment, image optimization.
  6. PHASE 06

    Support and Growth

    After launch, we track issues, plan improvements, and keep the system stable as content, traffic, and product needs evolve.

    Client Role
    Prioritize improvements and share user feedback or business changes.
    Deliverable
    Maintenance plan, improvement backlog, and health reports when needed.
    Technical Focus
    Monitoring, bug fixes, SEO iteration, technical debt reduction.

System Status: Production Ready

Credentials & Platforms

Cloud, delivery, analytics, and training signals behind the work.

I use established platforms for hosting, deployment, measurement, and technical education so your website, application, or AI workflow is built on proven foundations.

AI-ASSISTED ENGINEERING WORKFLOW

How modern AI tools accelerate development without compromising quality

LLM Reasoning

ChatGPT & Anthropic Claude

Architectural Planning & Logic Refinement

Used for rapid domain research, structural brainstorming, edge-case analysis, and optimizing complex algorithms before coding begins.

IDE Assistance

Antigravity AI & OpenAI Codex

IDE Pair-Programming & Automated Refactoring

Integrated into the code editor for real-time code generation, TypeScript schema verification, unit test writing, and automated lint checks.

Automations

n8n Workflow Automation

No-Code / Low-Code Pipeline Integration

Leveraged to connect webhooks, email triggers, database syncs, and AI processing steps into reliable background automation workflows.

Honest Practical Philosophy

AI doesn't replace engineering judgment—it amplifies velocity. By using tools like ChatGPT, Claude, n8n, Antigravity AI, and Codex as interactive pair programmers, I eliminate repetitive syntax writing and concentrate maximum energy on software design, user experience, performance optimization, and reliable delivery.

01

AI-Accelerated Drafts

Using LLMs to generate boilerplate, component skeletons, and initial API route schemas in minutes instead of hours.

02

Strict Manual Review

Every line of AI-assisted code is inspected, audited for security vulnerabilities, strictly typed in TypeScript, and performance-tuned.

03

Automated Verification

Running static analysis (ESLint), TypeScript type checks, and automated build verification to eliminate runtime bugs.

FREQUENTLY ASKED QUESTIONS

Curiosity didn't kill the dev — it built the product.

Final Briefing

Tell Me What You Need Built

Send a short summary of your project, role, or technical problem. I will help you identify the best next step.