Sergio Collado Vázquez

Synkross, Madrid and Luxembourg

Custom software company in Madrid and Luxembourg. I lead the technical direction, architecture and delivery of every product, from requirements to production.

• Architecture and delivery of web, mobile and backend products for Airplane Solutions, Sense Living, CSC Tech, Kelimbo, Fliply, Stowly and Buddy Market, among others.
• Engineering standards, code quality and delivery process for a fully senior team, working directly with founders and business stakeholders.
• Own infrastructure on Kubernetes with CI/CD, monitoring and backups. AI features with language models in production.

Garaje de Ideas, Madrid

Digital product consultancy. Tech Lead for the new web platform and CMS of an international pharmaceutical company.

• Frontend architecture, CMS integration and coding standards.
• Internationalisation by country and language for a single multi-market product.

Freelance, Madrid

Custom web and mobile products for companies and startups, from technical design to production, deployment and maintenance included. Synkross grew out of this work.

IKEA, Madrid

New international food platform with e-commerce and landing pages for several markets. Technical reference of the team for Next.js and design systems.

• Rolled out the Skapa design system across all projects, extended it with custom components and documented it in Storybook.
• Trained the development and design teams in Next.js and the design-to-development workflow.

Adevinta Spain, Madrid

New management panel for Fotocasa real estate agencies, in a team with a strong review culture.

• Features end to end with test coverage, plus CI and observability with Travis, Spinnaker, GitHub Actions and Datadog.

Fintonic, Madrid

Loan application, assessment and offer funnel on the web, measured at every step and connected to the backend assessment services.

EDP, Madrid

Conversion optimisation for the EDP Solar website, where users size a photovoltaic installation and request a quote.

• A/B tests on the solar calculator and quote flow that changed business logic and offers, measured in Google Optimize and shipped to the live site.

Cubik Systems, La Línea de la Concepción, Cádiz

IT services company for businesses and the public sector in Andalusia. Ran the business and delivered the technical projects myself, from business software and websites to networks, servers and POS systems.

Nativa3D, La Línea de la Concepción, Cádiz

Designed, manufactured and sold our own range of 3D printers, grew into a national wholesaler. First prize at Encuentro de Ideas del Estrecho 2015.