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Customer-facing work

Proof, not promises.

Products, platforms, and sites that shipped and hold up in use, built for clients and on our own account. Each began as a problem someone cared about enough to solve properly. Yours would be in good company. For the tools we build for ourselves, see the Lab.

Case studies

The Fetogin clinic home page, headlined "Cuidamos de si em todas as fases da vida"
FetoginClient

A Medical Clinic, Built for Local Search

A calm, findable website for a medical clinic in Montijo, where the design earns patient trust and the engineering earns the local search results.

Patients searching in Montijo find a clinic that already feels calm, and the clinic edits its own site with no CMS to learn

  • Healthcare
  • Local SEO
  • Marketing site
The HR Piscinas home page, headlined "A sua piscina, sempre pronta a mergulhar", beside a photo of a clean garden pool
HR PiscinasClient

A Pool-Care Brand That Reads Like a Trusted Neighbour

A warm marketing site for a Grande Lisboa pool-care business, built to read like a trusted neighbour and to turn a ten-second phone visit into a quote request.

Pool owners and condo managers meet a brand that feels like a competent neighbour, and every path on the site ends at a quote

  • Marketing site
  • Local business
  • Brand & web
The Piscinas no Ponto home page, a deep-blue caustics hero headlined "Água sempre no ponto"
Piscinas no PontoClient

An Immersive Water Aesthetic for a Precision Pool Service

An immersive site for a precision pool service, opening submerged in live water caustics and surfacing into clear content that turns visitors into quotes.

The promise of "no ponto" is visible before a word is read, and the site still gets a phone visitor to a quote in seconds

  • Marketing site
  • Local business
  • Interactive web
An IoT operations platformClient

Connected Operations, From Field to Freight

One platform connecting physical sensors to the operational and financial software around them, across greenhouse growing and cold-chain freight, so problems surface while they are still cheap.

Problems in the greenhouse and on the road surface while they are still cheap to fix, on one system from lot allocation to P&L

  • IoT
  • Realtime
  • Full-stack
  • Logistics
  • Agritech
A Big Four firm in LuxembourgClient

From Stakeholder Discovery to a Working Action Plan

An advisory engagement for a Big Four firm in Luxembourg, separating the real problems from the assumed ones, then leaving the team with a validated plan they own.

Stakeholders aligned on what was actually needed, and a team that kept the work moving after we left

  • Advisory
  • Training
  • Discovery
  • Action plan
The Esoteric Numbers home page, headlined "Read the numbers in your name"
Independent projectIndependent

Esoteric Numbers

A numerology platform in 67 languages that treats a niche full of paywalls and email gates with full production seriousness, free, private, and properly engineered.

A production SaaS in 67 locales with Stripe payments, 2FA, and encrypted personal data, in a space that usually offers none of that

  • SaaS
  • Full-stack
  • GraphQL
The diogo-lemos.com home page, a real-time 3D spring scene with a blossoming tree
Independent projectIndependent

Diogo Lemos

A real-time 3D site with seven themed scenes, translated into five languages by a model running on local hardware, at zero API cost.

Real-time 3D that stays smooth on a phone, and five languages whose translation bill is the electricity the desk already uses

  • 3D
  • WebGL
  • On-prem AI
The CloudPrep certification catalogue in dark mode, listing cloud certifications with question counts and domains
Independent projectIndependent

CloudPrep, Cloud-Cert Practice With Nothing to Keep Running

A study app for cloud certifications across Azure, AWS, Google Cloud, and Databricks, with the entire backend deleted, open question banks compiled to a static dataset, installable and offline.

Thousands of practice questions, offline and private, with no account, no server, and nothing to keep alive

  • PWA
  • Nuxt
  • Static-first
The rayquizz home screen, a handheld-console-styled daily Pokémon guessing challenge
Independent projectIndependent

A Pokémon Guessing Game With 39 Ways to Play

A Pokémon guessing game with 39 modes under one handheld-console interface, from a daily Wordle-style challenge to trivia, hangman, and word search.

An arcade of 39 modes that plays like a single machine, replayable daily, fast, and free

  • Web app
  • Interactive web
  • Game
Independent projectIndependent

One Library for Every Manga Source, on iOS and Android

A self-hosted manga reader with native iOS and Android apps over a Rust backend, unifying many sources into one private library that remembers exactly where you are.

One library across many sources, read natively on both platforms, offline or online, with progress that follows the reader

  • Mobile app
  • iOS & Android
  • Rust
  • GraphQL

Valeu a pena? Tudo vale a pena Se a alma não é pequena.

Was it worth it? Everything is worth it if the soul is not small.

Fernando Pessoa · Mar Português, Mensagem

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