Sergio Collado Vázquez
Lead Software Engineer & Software Architect développeur
Luxembourg, Luxembourg Availability
11+
Experience
10
Missions
About
Lead software engineer and architect with over 11 years of experience in taking digital products from idea to production. Proven expertise in full-stack development, technical leadership, and product engineering across various sectors. Skilled in leading architecture, engineering, and delivery teams.
Skills
Experience
CTO & Co-Founder
Synkross, Madrid and Luxembourg
Nov 2024 — Present · 1 year 11 mo
Lead the technical direction, architecture, and delivery of web, mobile, and backend products for various clients. Own infrastructure on Kubernetes with CI/CD, monitoring, and backups. AI features with language models in production.
KubernetesCI/CDDockerGitHub ActionsSentryTypeScriptJavaScriptReact
Front End Tech Lead
Garaje de Ideas, Madrid
Jul 2024 — Dec 2024 · 6 mo
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.
ReactNext.jsCMS IntegrationInternationalisation
Software Engineer
IKEA, Madrid
Sep 2023 — Aug 2024 · 1 year
New international food platform with e-commerce and landing pages for several markets. Technical reference for Next.js and design systems. Rolled out the Skapa design system across all projects.
Next.jsDesign SystemsStorybookTypeScriptJavaScript
Front End Engineer
Adevinta Spain, Madrid
Jul 2022 — Sep 2023 · 1 year 3 mo
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.
ReactNext.jsCI/CDGitHub ActionsDatadog
Front End Engineer
Fintonic, Madrid
Feb 2022 — Jul 2022 · 6 mo
Loan application, assessment, and offer funnel on the web, measured at every step and connected to the backend assessment services.
ReactNext.jsWebSocketStripe
Front End Engineer
DataBeacon, Madrid
Mar 2021 — Feb 2022 · 1 year
AI-powered air traffic control application built from scratch. Real-time flight map with Leaflet and WebSocket, controller tools, ML conflict-prevention models integrated in the interface.
ReactNext.jsWebSocketLeafletStorybook
CRO Developer
EDP, Madrid
May 2020 — Mar 2021 · 11 mo
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.
ReactNext.jsGoogle Optimize
Freelance Full Stack Engineer
Freelance, Madrid
Mar 2020 — Dec 2024 · 4 years 10 mo
Custom web and mobile products for companies and startups, from technical design to production, deployment, and maintenance.
TypeScriptJavaScriptReactNext.jsNode.jsPostgreSQLDockerKubernetes
Co-Founder & CEO
Cubik Systems, La Línea de la Concepción, Cádiz
Apr 2018 — Nov 2019 · 1 year 8 mo
Ran the business and delivered technical projects for businesses and the public sector in Andalusia. Delivered business software, websites, networks, servers, and POS systems.
Project ManagementBusiness AnalysisNetworkingServer Management
Founder & CEO
Nativa3D, La Línea de la Concepción, Cádiz
Jan 2015 — Apr 2018 · 3 years 4 mo
Designed, manufactured, and sold a range of 3D printers, grew into a national wholesaler. First prize at Encuentro de Ideas del Estrecho 2015.
Product EngineeringBusiness DevelopmentManufacturing
Education
Full Stack Web Development Bootcamp
Ironhack, Madrid
2020 — 2020
Higher Technician in Web Application Development (DAW)
ILERNA
2018 — 2021
FutureLeaders, Business Expert. Business administration and management
ThePowerMBA
2019 — 2020
Electronic Engineering studies
Universidad de Cádiz
2013 — Present