Hire David N Allen — Front-end Engineer & UI/UX Designer

Years Experience

Projects Shipped

CRO

Focus

DEN

Based In

Featured proof

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Recent work that shows conversion UI, front-end delivery, and marketing systems—not just visuals.

Web

High-Conversion Sales Landing Page

Designed and built a responsive fintech-style sales page that guides traders from value proposition to signup with clear hierarchy and strong CTAs.

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UI Elements

Membership Pricing Module

Designed and built a comparison-first pricing module so buyers can evaluate membership options quickly and convert with less friction.

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UI Elements

Responsive Offer Table

Built a scalable, mobile-first pricing table for packages, bonuses, and retail pricing that marketing can reuse across product types.

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Why teams hire me

Design craft, front-end execution, and conversion discipline in one seat—from sketch to shipped page.

Design + code in one seat

Fewer handoff gaps. I define the experience and implement it—cutting cycle time between idea, prototype, and live URL.

Business outcomes, not decoration

Work is scored on engagement, leads, and conversion. Visual polish serves that end—it isn’t the deliverable.

Built for marketing velocity

Campaigns and content move fast. I ship systems and pages that keep quality high when deadlines compress.

How I create value for a team

Conversion-first UI/UX

Interfaces built around user intent and business outcomes—clear hierarchy, low friction, and trust on first visit.

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Front-end engineering

Production React, Next.js, JavaScript, and WordPress that stays maintainable under real marketing velocity.

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CRO & experimentation

A/B tests and analytics-informed iteration so decisions compound—from data, not gut feel.

Experience

Marketing web systems

Landing pages, registration flows, and promo modules that connect design, content, and lead capture at launch.

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Experience snapshot

Full experience

2021 – present

CRO & UI/UX Specialist

Simpler Trading

Own high-traffic registration and marketing experiences. Design and build conversion-focused pages, campaign modules, and experiments that drive engagement and leads.

2017 – 2021

Lead UI/UX Designer

Leading Response

Led design and development for marketing products. Built testing frameworks and data-driven UX strategy to improve campaign and product performance.

I ship revenue-focused front-end that converts.

Years Experience

Projects Shipped

Focus

Based In

Featured proof

High-Conversion Sales Landing Page

Membership Pricing Module

Responsive Offer Table

Why teams hire me

Design + code in one seat

Business outcomes, not decoration

Built for marketing velocity

How I create value for a team

Conversion-first UI/UX

Front-end engineering

CRO & experimentation

Marketing web systems

Experience snapshot

CRO & UI/UX Specialist

Lead UI/UX Designer

Tools I use daily