Available for new projects

Turn Your Website Into A Sales Engine

You're building a game-changing product and chasing your first 1,000 users. Your website shouldn't be a pretty brochure; it should be your #1 growth engine. I build conversion-focused websites for founders that turn visitors into customers.

40+
Projects Led
98%
Client Satisfaction
10+
Years Experience
Jack Osei - Professional web designer and developer

Jack K. Osei

The Founder's Tech Friend

Scroll to explore
For Startups & Founders

Is Your Website a Growth Engine
or a Glorified Business Card?

Let's be honest. While you're hustling to build your product and talk to customers, your website is probably just... sitting there. It looks professional, but it isn't moving the needle on the metrics that matter.

Your ads drive traffic, but nobody's buying

You're getting clicks and visitors, but they're bouncing faster than a bad pitch deck. Your website isn't doing the heavy lifting to convert that expensive traffic into paying customers.

Updates take forever (and cost a fortune)

Want to test a new headline? That'll be 2 weeks and $500. Your developer disappeared, and now every tiny change feels like rebuilding from scratch.

You're losing to worse products with better websites

Your product is superior, but their website makes them look like the obvious choice. First impressions matter, and yours isn't making the case for why you're different.

Your site screams 'template,' not 'unicorn'

Investors and customers can smell a generic template from miles away. Your breakthrough idea deserves a website that actually reflects your vision and potential.

Visitors land and... then what?

People find you, but there's no clear next step. No compelling reason to stick around, sign up, or buy. Your website is a dead end instead of a conversion machine.

Mobile users are giving up instantly

80% of your traffic is mobile, but your site wasn't built for thumbs. Slow loading, tiny buttons, broken layouts, you're hemorrhaging potential customers every day.

Let me help you fix this

Here's the thing: while you're grinding on product-market fit and chasing your next milestone, your website is either working for you or against you. There's no neutral.

The good news? This is fixable. And unlike most startup problems, you can actually solve this one in weeks, not quarters.

Built to Convert, Not Just Look Pretty

Every pixel serves a purpose. I start with your business goals and design backwards, optimizing for the metrics that actually matter to your bottom line, not just aesthetics.

Ship Fast, Learn Faster

Get your high-converting site live in weeks, then iterate based on real user data. No more waiting months for changes or being stuck with something that doesn't work.

Your Technical Co-Founder (Without the Equity)

I've been where you are. I understand the urgency, the pivots, the pressure. You get someone who thinks like a founder but codes like a developer.

Ready to Stop Leaving Money on the Table?

Let's turn your website into the growth engine your startup deserves. While you focus on building your product and talking to customers, I'll make sure your site is working 24/7 to convert visitors into revenue.

More visitors actually become customers
Google starts sending you quality traffic
Users stick around instead of bouncing
Site loads fast (even on slow connections)
Works perfectly on every device
Built to handle your growth spurts
Your Growth Engine

From MVP to a
Revenue-Generating Machine

Whether you're validating your MVP or scaling to Series A, I build the digital foundation that turns your vision into revenue.

The MVP Launchpad

Get your idea in front of real users in weeks, not months. I build lean, conversion-focused MVPs that help you validate demand and attract early customers, without the bloat or endless feature creep.

Ship in 2-4 weeks
Built for user feedback
Conversion tracking ready
Scale-ready architecture

The Conversion Engine

Turn your marketing spend into actual customers. I build websites that are optimized to convert visitors into leads, trials, and sales from day one.

Lead generation focus
A/B test ready
SEO optimized
Easy content updates

The E-commerce Accelerator

Ready to start selling? I create e-commerce experiences designed to maximize revenue per visitor. Every element is optimized to reduce cart abandonment and increase average order value.

Conversion-optimized checkout
Mobile-first design
Payment flexibility
Revenue analytics

Get Found by Your Customers

Stop relying on paid ads alone. I implement SEO strategies that bring qualified prospects to your site organically, the kind of traffic that converts and compounds over time.

Organic traffic growth
Competitor analysis
Content strategy
Local SEO (if needed)

Speed That Converts

Slow sites lose customers. I optimize your website for lightning-fast loading times that keep users engaged and improve your search rankings, directly impacting your bottom line.

Sub-3 second load times
Mobile optimization
Core Web Vitals
Conversion impact tracking

User Experience Strategy

Remove the friction between visitors and revenue. I design user journeys that guide prospects naturally toward becoming customers, based on data, not assumptions.

Conversion-focused design
User behavior analysis
A/B testing setup
Revenue impact measurement

Ready to Start Your Project?

Let's build something that works as hard as you do to grow your business. No fluff, no endless revisions, just results you can measure.

Process

From Idea to
Revenue in Weeks

My process is designed for founders who need to move fast and see results. No endless meetings or scope creep, just a clear path from idea to revenue.

Discovery & Strategy

I dig deep into your business goals, target customers, and what success looks like for you. No generic templates, everything is built around your specific growth objectives.

Duration: 1-2 days
1

Build & Test

Fast, iterative development with regular check-ins. You see progress weekly, not monthly. Every feature is tested for conversion impact before it goes live.

Duration: 1-4 weeks
2

Launch & Scale

Go live fast, then optimize based on real user data. I monitor performance and make improvements that directly impact your metrics and revenue.

Duration: Ongoing support
3
Selected Work

Real Results for
Real Startups

See how I've helped startups turn their websites into revenue-generating assets. Each project demonstrates the conversion-focused approach that drives actual business growth.

Kamini Chocolate
In ProgressLanding Page

Kamini Chocolate

Landing page with modern UX for a chocolate brand. Preview available.

Next.jsShopifyUI/UX
Paddington Home
In ProgressE-commerce

Paddington Home

E-commerce website with CMS-driven pages for a home decor brand. Preview available.

Next.jsCMSUI/UX
Blast Catering
Full Stack Web Development

Blast Catering

Full-stack React/Next.js build with API integrations, UI/UX, SEO, CDN, and analytics (PostHog + GA).

ReactNext.jsAPIsNode.jsPostHog
Pretty Little Props
E-commerce

Pretty Little Props

UI/UX design and e-commerce development with analytics and SEO best practices.

UI/UXWordPressGA4E‑commerce SEO
Dish Catering
Web Design

Dish Catering

UI + web design, on-page SEO, CDN setup, graphics, and GA integration.

UI DesignWeb DesignSEOCDNGA4
Foodie Holdings
Brand & Web

Foodie Holdings

Brand design, UI/UX design, and web development for a hospitality group.

Brand DesignUI/UXWeb Design
Deeritna
Brand & Web

Deeritna

Multi-country website with UI/UX, SEO, and Google Analytics setup.

UI/UXMulti‑regionSEOGA4
Plant Power Dubai
Shopify

Plant Power Dubai

Shopify theme updates and web development to enhance storefront UX.

ShopifyTheme UpdatesWeb Development
Flexy Foods
Website Revamp

Flexy Foods

Website UI revamp, development, GA integration, and SEO improvements.

UI RevampWeb DevelopmentGA4SEO
AYED Ghana
Web Design

AYED Ghana

Web development for a Ghana-based organization.

Web Development
TechToday Developers Limited
Web Design

TechToday Developers Limited

UI/UX design, web development, and advanced SEO for a tech brand.

Next.jsTailwind CSSAdvanced SEO
Photon Trading FX
Web Design

Photon Trading FX

Web development for a financial trading coach with performance-focused pages and analytics.

Next.jsTailwind CSSGA4

All Selected Work Projects

  • Kamini Chocolate

    Landing page with modern UX for a chocolate brand. Preview available.

    Categories: Landing Page, UI/UX

    Technologies: Next.js, Shopify, UI/UX

    View Project
  • Paddington Home

    E-commerce website with CMS-driven pages for a home decor brand. Preview available.

    Categories: E-commerce, UI/UX, Web Design

    Technologies: Next.js, CMS, UI/UX

    View Project
  • Blast Catering

    Full-stack React/Next.js build with API integrations, UI/UX, SEO, CDN, and analytics (PostHog + GA).

    Categories: Full Stack Web Development, UI/UX, SEO

    Technologies: React, Next.js, APIs, Node.js, PostHog

    View Project
  • Pretty Little Props

    UI/UX design and e-commerce development with analytics and SEO best practices.

    Categories: E-commerce, UI/UX, Analytics

    Technologies: UI/UX, WordPress, GA4, E‑commerce SEO

    View Project
  • Dish Catering

    UI + web design, on-page SEO, CDN setup, graphics, and GA integration.

    Categories: Web Design, SEO, Analytics

    Technologies: UI Design, Web Design, SEO, CDN, GA4

    View Project
  • Foodie Holdings

    Brand design, UI/UX design, and web development for a hospitality group.

    Categories: Brand & Web, UI/UX

    Technologies: Brand Design, UI/UX, Web Design

    View Project
  • Deeritna

    Multi-country website with UI/UX, SEO, and Google Analytics setup.

    Categories: Brand & Web, UI/UX, Analytics

    Technologies: UI/UX, Multi‑region, SEO, GA4

    View Project
  • Plant Power Dubai

    Shopify theme updates and web development to enhance storefront UX.

    Categories: Shopify, Web Design

    Technologies: Shopify, Theme Updates, Web Development

    View Project
  • Flexy Foods

    Website UI revamp, development, GA integration, and SEO improvements.

    Categories: Website Revamp, UI/UX, SEO

    Technologies: UI Revamp, Web Development, GA4, SEO

    View Project
  • AYED Ghana

    Web development for a Ghana-based organization.

    Categories: Web Design

    Technologies: Web Development

    View Project
  • TechToday Developers Limited

    UI/UX design, web development, and advanced SEO for a tech brand.

    Categories: Web Design, UI/UX, SEO

    Technologies: Next.js, Tailwind CSS, Advanced SEO

    View Project
  • Photon Trading FX

    Web development for a financial trading coach with performance-focused pages and analytics.

    Categories: Web Design, Analytics

    Technologies: Next.js, Tailwind CSS, GA4

    View Project
Testimonials

Founders Who
Got Results

Don't just take my word for it. Here's what founders say about the real business impact we achieved together.

Lucy Afare company logo

"Jack delivered an exceptional website that perfectly captured our brand vision. His attention to detail and technical expertise exceeded our expectations."

Lucy Afare

CEO, Flexy Foods

Garima Sajwan company logo

"Working with Jack was a pleasure. He understood our requirements perfectly and delivered solutions that has significantly improved our online presence."

Garima Sajwan

VP - Product, Foodie Holdings

Ben Westwood company logo

"Jack's creative approach and technical skills resulted in a website that not only looks great but also converts exceptionally well. He's now the go to guy for all my tech needs."

Ben Westwood

CEO & Founder, Pretty Little Props

Jack Osei - Professional workspace
About Me

Your Tech Friend
in the Trenches

I've watched too many brilliant founders get stuck with websites that cost them customers. Incredible ideas held back by slow developers, expensive agencies, and sites that looked good but converted poorly.

I started this practice to fix that exact problem. Everything I do is built around the founder's reality: you need to move fast, prove traction, and make every marketing dollar count. I'm not just another developer, I'm the technical partner who ensures your website becomes your best growth asset, not your biggest bottleneck.

Latest Journals

Fresh Perspectives
from the Field

Real stories, lessons learned, and insights from building startups and growing businesses. No fluff, just actionable advice from the trenches.

Want More Insights?

Explore all my journal entries for deeper dives into startup growth, technical challenges, and lessons learned along the way.

Start Converting.

Stop Leaving Revenue on the Table.
Start Converting.

Your website should be your best salesperson, working 24/7 to turn visitors into customers. Let's fix what's broken. Book a free 15-minute strategy call and I'll show you exactly what's costing you conversions, and how to fix it fast.

Conversion Audit

I'll spot exactly what's killing your conversion rate

15-Minute Call

Quick, focused, zero pressure, just actionable insights

Immediate Impact

Leave with 3 specific changes you can implement today