Verified01
DealSonar
2026Next.js · TypeScript · Supabase
Zak Furness
Croeso.
Croeso.
000
Available for new projects · Freelance web & software developer51.86° N, 4.31° WCroeso
I design and build websites.web apps.SaaS products.Chrome extensions.automation tools.AI software.
Websites, web apps, SaaS platforms, Chrome extensions and AI-powered tools for businesses worldwide. Designed, built and launched by one developer.
Based inCarmarthen, Wales, UK
ClientsWorldwide, 180+ served
Experience7+ years
Local time GMT
Zak FurnessWEB · EXTENSIONS · SAAS
~/your-projectLIVE
0+YEARS
0+CLIENTS
0.0★RATING
(01) About
I design and build websites, extensions and web apps that help businesses look sharp and move faster. You work directly with me, from the first call to launch day and beyond.
01
One developer, start to finish
You talk directly to the person writing the code. No account managers, no handoffs.
02
Built for real workflows
Extensions, dashboards and tools used daily by sellers, resellers and teams.
03
Looked after after launch
Domains, hosting, DNS and SSL sorted, so your product stays live and fast.
(02) Selected work
Software people use every day.
Chrome extensions, dashboards and client tools. Select a project for the full brief.
Verified
Verified02
FBAmultitool
2024Chrome · Manifest V3 · REST APIs
Verified03
Mates Rates
2024Chrome · Manifest V3 · Content Scripts
Verified04
John Pye Auction Fee VAT Calculator
2024Chrome · Manifest V3 · Content Scripts
Under NDA05
TED – The eBay Detective
2024Chrome · Manifest V3 · Supabase
Under NDA06
SlabScout
2024Chrome · Content Scripts · APIs
Websites for local businesses
TRANSPORT · CONSTRUCTION · HOSPITALITY · STUDIOS
(03) Services
What I build.
From a five-page business site to a full SaaS platform. Every project is designed and written by me.
01
Custom websites
Fast, polished websites for local businesses and service providers through to large SaaS marketing sites. On-brand, responsive and ready to rank.
DesignNext.jsSEO
02
Web applications
Production-grade web apps with clean UX and practical architecture: portals, dashboards and internal tools.
ReactTypeScriptSupabase
03
SaaS development
Dashboards, portals and internal tools with auth, billing and analytics, shipped end to end.
AuthStripeAnalytics
04
Chrome extensions
Manifest V3 Chrome, Edge and Firefox extensions built for real workflows, APIs and scale.
MV3Content scriptsFirefox
05
Browser automation
Stripe, Supabase, Google APIs and custom workflows that remove repetitive work from your day.
WorkflowsAPIsScraping
06
AI integrations
AI features inside real products: image recognition, content generation and assistants connected to your data.
LLMsVisionAgents
(04) Stack
Modern tools, chosen for the job.
FrontendNext.js
FrontendReact
FrontendTypeScript
FrontendTailwind CSS
FrontendGSAP
FrontendThree.js
BackendNode.js
BackendSupabase
BackendPostgreSQL
BackendStripe
BackendREST APIs
BackendGoogle APIs
ExtensionsManifest V3
ExtensionsContent Scripts
ExtensionsChrome APIs
ExtensionsFirefox Add-ons
AIOpenAI
AIClaude
AIImage recognition
AIAutomation
InfrastructureVercel
InfrastructureNamecheap
InfrastructureDNS & SSL
InfrastructureGitHub
(05) Process
How a project runs.
Clear steps, a live staging link throughout, and one point of contact from the first call to launch day.
02
Design
Layouts, UI and visual direction that feel on-brand and ready to build, reviewed and signed off with you before any code.
03
Build
Development in short cycles with a live staging link, so you see real progress every week and can steer as it takes shape.
04
Launch & look after
Domains, hosting, DNS and SSL sorted. Deployed on Vercel and looked after once it is live.
“A fantastic experience working with Zak. He immediately understood what I wanted and delivered a bug-free, well-designed extension that does exactly what I needed. He also went over and above with additional requests. Everything was delivered quickly and with great communication.”
t
tylermathesAustralia · Fiverr · ★★★★★
(07) Contact