JEJames EspericuetaWeb Development
Web development partner

Build a site that feels premium andconverts visitorsinto clients.

I design and engineer modern websites and product experiences that earn trust fast, communicate value clearly, and stay easy to maintain long after launch.

Conversion-first UXPerformance & SEOClean handoff docs

Confidence kit

What you get

  • Clear scope, timeline, and weekly progress updates so there are no surprises.
  • Conversion-focused layout, copy hierarchy, and CTA strategy baked in from day one.
  • Launch-ready build with performance budgets, analytics setup, and SEO foundations.

Toolbox

Next.jsTypeScriptTailwindReact NativeNestJSPostgres

Engagements

Engagements built for clarity, momentum, and measurable lift.

Launch-ready marketing sites

A polished site that tells the right story, loads fast, and turns visitors into qualified leads.

Product & SaaS frontends

Design systems, auth flows, dashboards, and onboarding experiences built to scale.

Modern rebuilds

Replace brittle legacy stacks with clean, maintainable code and a fresh design direction.

Capabilities

Designed for confidence, built for growth.

Conversion-driven structure

Messaging, hierarchy, and user journeys designed to move prospects to action.

Design systems that scale

Reusable components and UI rules so your team can ship consistently.

Full-stack engineering

From marketing sites to web apps, I build the UI and the infrastructure behind it.

Launch support

Analytics, SEO, and performance tuning so the site keeps earning after go-live.

Stack I trust

Next.jsTypeScriptTailwindReactNode/NestPostgresVercelStripe

Working style

  • Weekly checkpoints and async updates
  • Accessible, semantic HTML by default
  • Performance budgets with Core Web Vitals focus
  • Clear handoff docs and maintenance runway

Case studies

Work that balances clarity, performance, and business goals.

Each build is a tight collaboration: I translate goals into structure, code, and a design system your team can evolve.

Case Study

Deskify — Modern Desk E-commerce

Headless Shopify storefront built with Next.js and Vercel. Designed a minimal UI system, optimized SEO, and integrated the Shopify Storefront API for a fast cart and checkout experience.

Outcome

A refined storefront that keeps product browsing fast while highlighting the brand story.

Next.jsTailwindShopifyVercel

Case Study

MindMapAI — AI-Generated Mind Maps

Transforms unstructured text into interactive visual mind maps. Built with React + React Flow on the frontend, Node.js + Express backend, and Google Gemini integration.

Outcome

Delivered a playful, data-heavy UI that still feels clean and approachable.

ReactReact FlowNode.jsGemini API

Case Study

Baby Shower Registry

Custom RSVP + registry web app for a client. Built with Next.js App Router, Supabase, and a themed design system with a host dashboard.

Outcome

Simplified guest RSVPs while giving hosts full control of registry updates.

Next.jsSupabaseTailwindPostgres

Case Study

DeRIVE — Social Productivity App

Mobile app combining task management and social accountability. Built with React Native (Expo), NestJS (Fastify), Socket.IO, and PostgreSQL.

Outcome

A dependable realtime experience with a cohesive UI across mobile and web.

React NativeNestJSSocket.IOPostgres

Process

A transparent workflow that keeps stakeholders confident.

  1. 1

    Discovery + strategy

    We align on goals, positioning, and the action you want visitors to take.

  2. 2

    Design direction

    Wireframes, UI system, and messaging hierarchy to set the tone and flow.

  3. 3

    Build + iterate

    Ship in focused slices with weekly checkpoints and fast feedback loops.

  4. 4

    Launch + optimize

    Performance, SEO, analytics, and post-launch refinements to keep momentum.

FAQ

Answers that keep decisions moving.

What kinds of projects are a good fit?+

Marketing sites, product pages, and full-stack web apps that need clear messaging and reliable engineering. If you need a site that feels premium and converts, it’s a fit.

How do we collaborate?+

Async-first with weekly checkpoints. You get clear milestones, shared docs, and regular walkthroughs to keep everything aligned.

Can you work with my existing team or designer?+

Yes. I can build from existing brand guidelines or collaborate with designers, PMs, and marketers to execute quickly.

What happens after launch?+

You receive handoff documentation plus an optimization plan. I’m available for ongoing improvements or training your team.

Let’s build

Ready for a site that feels premium and sells the right story?

Share a quick brief and I’ll respond with next steps, timeline, and how I would approach the build.

Prefer async? Send a brief and I’ll follow up within two business days.