Full-stack web developer · Asturias, Spain

Hi!
I'm Walter

A full-stack web developer shaping digital products with the care of a craftsperson and the curiosity of a problem solver.

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I build the quiet infrastructure behind confident digital products.

For more than five years, I've worked across front-end systems, full-stack products and developer tooling—turning complicated requirements into experiences that feel simple.

From streaming platforms used by millions to flexible VR interfaces and analytics dashboards, I care about sound architecture, useful collaboration and details that last.

5+Years building
for the web
4Product-focused
companies
25m+Users reached
at Sky

Make it clear.
Make it useful.
Make it endure.

Tools I use to turn
ideas into products.

A modern, practical toolkit—chosen to create fast, accessible and maintainable experiences from interface to infrastructure.

Built with teams.
Made for people.

A path through streaming, immersive technology, property and analytics—each role adding a new layer to the craft.

01

Mar 2022 — Dec 2024

London, UK

Software Developer

Sky

Built and maintained the CMS, libraries and web experiences powering major international streaming products.

  • Created features for Iceberg, a CMS used by editorial teams across NOW TV, Sky Sports, Peacock TV, SkyShowtime, Showmax, WOW and Sky Italia.
  • Maintained shared packages used by 14 teams, coordinating releases and testing closely with principal engineers.
  • Took on senior-level responsibility in Partner Web: mentoring teammates, planning complex work, supporting releases and guiding an application migration.
ReactTypeScriptCypressPlaywrightJenkinsGrafana
02

Mar 2021 — Mar 2022

London, UK

Front End Developer

Cassette

Designed a flexible front-end architecture for immersive, multilingual VR experiences used across healthcare and automotive projects.

  • Defined the component system and application layers for a reusable interface spanning multiple client projects.
  • Created a configuration-led UI engine that adapted layouts, languages, colours and typography from JSON.
  • Worked across React, TypeScript and AWS services including Lambda, SQS, DynamoDB and CloudFormation.
ReactTypeScriptAWSReduxDynamoDB
03

Jul 2020 — Feb 2021

London, UK

Junior Full Stack Developer

GetAgent

Shipped customer-facing pages, data-rich admin tools and a new full-stack conveyancing service for a growing property platform.

  • Migrated legacy Twig and jQuery interfaces to Next.js and React while building new product features.
  • Developed APIs with Koa, Bookshelf and MySQL, including a standalone service designed for future third-party use.
  • Built a Contentful-powered blog and an admin panel that replaced spreadsheet-based lead management.
Next.jsReactNode.jsKoaMySQLContentful
04

Jul 2019 — Jul 2020

London, UK

Junior Front End Developer

AuraVision

Turned complex retail analytics into clear dashboards, operational tools and accessible web experiences.

  • Built the three core analytics dashboard views, combining charts, comparison tables and CSV export tools.
  • Created a camera configuration application with React, Redux, Flow and Canvas to support operations teams.
  • Delivered the company landing page with server rendering, search optimisation and broad browser support.
ReactReduxRechartsGraphQLGatsbyTesting

Have something in mind?

Let's make something
worth using.

I'm always open to thoughtful products, ambitious teams and good conversations. Tell me what you're building.

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