Available · Booking projects for Q2 2026

Premium websites &
AI solutions, engineered to convert.

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I build fast, modern, and conversion-focused websites for startups and businesses — pairing senior-level web engineering with practical AI integrations that move metrics, not just impress.

★★★★★ Trusted by founders & product teams worldwide
01 / Services

Engineered to ship. Designed to convert.

A focused suite of services for founders and teams that demand premium quality, fast turnaround, and measurable results.

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Website Development

Production-grade marketing sites and web apps — fast, responsive, accessible, and built to scale with your business.

Landing Page Design

High-conversion landing pages crafted with clear positioning, persuasive copy, and pixel-perfect interaction design.

AI

AI Chatbot Integration

Custom GPT-powered assistants, RAG over your knowledge base, and AI features that delight users — securely deployed.

UI / UX Implementation

Translating Figma into clean, semantic code — pixel-accurate, animated, and ready for production from day one.

Performance Optimization

Sub-second load times, Core Web Vitals in the green, and lean, maintainable code that ages well.

Ongoing Engineering Partner

A trusted technical partner on retainer — for shipping features, code reviews, and steady forward momentum.

02 / About

A freelance engineer who treats your product like a co-founder would.

Direct, accountable, and obsessive about the details that compound into great products.

AC

Alex Carter

Freelance Developer · AI Builder

Remote · Working with founders and teams across the US, EU, and APAC.

Remote English NDA-friendly Fixed scope Retainer

I'm an independent web developer and AI solutions builder partnering with startups, agencies, and growing businesses to ship products that look premium and perform under load.

My focus is delivering business value — every line of code, every interaction, and every design decision is in service of clearer messaging, faster experiences, and stronger conversion.

  • Senior-level web engineering with clean, scalable architecture
  • Conversion-first design implementation, not just pretty pixels
  • Practical AI integrations that solve real customer problems
  • Transparent communication, fixed-scope pricing, on-time delivery
03 / Stack

A modern stack, chosen for velocity and quality.

A focused, battle-tested toolkit picked to deliver client work that ships fast and lasts longer.

Frontend
HTML & CSSExpert
JavaScriptExpert
Responsive DesignExpert
Tools & Workflow
Git & GitHubAdvanced
Figma → CodeAdvanced
Deployment / CIAdvanced
Advanced
API IntegrationAdvanced
AI & LLM ToolsAdvanced
Performance TuningAdvanced
04 / Selected Work

Client work & case studies.

A focused selection of premium projects — each engineered for measurable business outcomes.

Case 01 · Startup

Business Landing Page

Problem
Low-conversion launch page with unclear positioning.
Solution
High-performance landing page with sharper messaging and trust-building UI.
HTMLCSSJS
Case 02 · AI Product

AI Chatbot System

Problem
Support team overwhelmed by repetitive customer questions.
Solution
Custom AI assistant with knowledge-base retrieval and seamless handoff to humans.
JavaScriptLLM APIRAG
Case 03 · Template

Portfolio Website Template

Problem
Independents needing a premium, fast-to-customize portfolio base.
Solution
Lightweight template with refined typography, motion, and subtle 3D depth.
HTMLThree.jsJS
Case 04 · SaaS

SaaS UI Design Concept

Problem
Founder needed a credible, investor-ready product surface.
Solution
Cohesive UI system and dashboard implementation — polished, fast, scalable.
Design SystemCSSJS
05 / Impact

Results that justify the investment.

Every engagement is measured against the metrics that matter to your business.

25+
Projects delivered
Across landing pages, web apps, and AI products.
3.2×
Performance improvement
Average load-time gain after optimization engagements.
100%
On-time delivery
Transparent timelines, no surprises, no scope creep.
A+
User-experience focus
Accessible, responsive, and built for real customers.
06 / Testimonials

What clients say.

A few words from founders and operators I've had the privilege to build alongside.

Alex shipped our launch site in under three weeks — faster than agencies quoted us for three months. Conversion lifted 38% the first month.

MR
Marcus Reeves
Founder, Northwind Labs

Rare combination of senior-grade engineering, taste, and clear communication. Our AI assistant went from idea to production in a single sprint.

SK
Sara Kobayashi
Head of Product, Helio AI

Easily the smoothest freelance engagement we've run this year. The codebase is clean, the design is on-brand, and the site is genuinely fast.

JT
James Tan
CTO, Stratos Studio

Download my resume

Review my full experience, skills, and selected client engagements in a single, recruiter-friendly one-pager.

⬇ Download Resume
07 / Contact

Let's build something great together.

Tell me about your project — timelines, goals, and where you'd like to be in 90 days. I respond personally within one business day.

Start a conversation

Whether it's a polished launch site, a high-converting landing page, or a custom AI integration, I'd love to hear what you're building.

@
Email
hello@alexcarter.dev
Response time
Within 24 hours
Availability
Booking · Q2 2026
$
Engagements from
$500 — $5,000+