Full stack product builder for founders, startups, and independent builders.

From prototype
to real product

I turn ideas, GPTs, and AI/Web3 prototypes into web products with frontend, backend, auth, data, deploy, and UX that users can actually understand.

Now

What I'm working on today

Active projects + what I'm building this week

Available for Freelance

This week

Focus

Solana Hackathon participation (May 8-10, 2026)

Active job search

Long term

Hispanasol

Building Hispanasol: a Solana community for Colombia.

Build in public

Build log

Recent original posts from X, in a clean chronological log.

Open full journal
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Services

Sprints for founders who need a real product

Clear fixed-scope options for startups and independent builders with budget, urgency, and a product idea ready to become software.

48h delivery

From USD 300

Landing + Waitlist in 48h

A sharp landing page to validate demand, explain the offer, and start collecting interested users.

  • Conversion-focused copy
  • Responsive React UI
  • Waitlist CTA
  • Deploy-ready handoff
I want this package
5-7 days

From USD 1,500

Prototype-to-Product Sprint

I take a GPT, prompt flow, manual process, or fragile prototype and turn it into a functional web app.

  • Core product flow
  • Auth + database
  • AI or Web3 integration
  • Production deploy
I want this package
3-5 days

From USD 600

AI/Web3 Product Architecture

A focused build or refactor for the systems AI generators do not finish: APIs, state, wallets, data, and product flow.

  • API and data flow
  • Wallet or LLM integration
  • Transaction/UI states
  • Mobile-friendly UX
I want this package
48-72h

From USD 250

Frontend/Product Audit

A practical review of your product UX, frontend, and conversion blockers.

  • UX teardown
  • Frontend notes
  • Conversion fixes
  • Priority action plan
I want this package

Have a validated idea, a messy prototype, or an internal workflow that should be software? Send me the context and I’ll recommend the closest sprint.

Featured projects

Featured builds

Proof of work from my GitHub: product thinking, full stack architecture, AI/Web3 integrations, and shipped systems.

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Web3 Product Case Study

connectamind

A content and education dApp built as a full product system: React UI, Nest/GraphQL backend, Prisma data model, Docker setup, wallet flows, and decentralized payments.

Portfolio System

derlys.dev

This bilingual portfolio: localized routing, dynamic Now content, admin editing, API routes, GitHub-backed content, SEO metadata, and productized service positioning.

View all work

Experience

Experience

Freelance / Independent Builder

Full Stack Product Builder

2023 – Present

Building AI-integrated web applications as an independent developer. Focused on turning LLM capabilities into real products — structured outputs, streaming responses, and prompt-driven features.

Web2 & Web3 Projects

Full Stack Developer · Solana Builder

2021 – 2023

Explored the intersection of Web2 and Web3, building on Solana. Participated in DevRel activities and contributed to open-source blockchain tooling.

See project

Remote Engineering

Full Stack Engineer

2019 – 2021

Designed and built production web applications with React, Next.js, Node.js and TypeScript. Owned full product lifecycle from architecture to deployment.

Have a prototype that needs to become real?

If you have a validated idea, GPT, demo, or workflow and need someone to turn it into a web product, send me the context.

I reply within 24h

DERLYS DOMÍNGUEZ · FULL STACK PRODUCT BUILDER