• Infrastructure, tooling and developer experience of the web clients

• Built platform-wide pseudonymization system
• Built new connectors: Google Chat, Google Meet, Microsoft OneDrive, Microsoft Teams (chats & calls), Salesforce, Zoom
• Improved existing connectors: Cisco Jabber, Confluence, Dropbox, Google Drive, Jira
• Basic data analysis, metrics and aggregates

• Built High-load checkout service backend to handle spikes
• Purchase flows backend services ownership: monitoring, improved reliability, reduced errors/noise by 1000x
• Assisted in new checkout application: replaced all existing checkouts
• Improved developer experience: Python 3 migrations, containerization, CI workflows
• Built MVP of internal services contract testing tool

• Led 3 people full-stack team: web application, public API, mailing & notifications, user accounts, video distribution
• Helped building a highly-scalable microservices SaaS platform (~200,000 videos/hour)

• Scalability rewrites and optimizations (e.g. multi-GB files support)
• Import formats & connectors: ArcGIS, Box, Dropbox, GDrive, GeoTIFF, Twitter GNIP
• Enterprise/multi-user accounts, enterprise LDAP connector

• Full-stack development: full code rewrite and data migration of website and CMS
• Built asynchronous, job-based user avatar generator
• Built user avatar items store (Single-Page Application) and multiple payment methods

• Full-stack development: Home feed, user notifications, multi-search, friends importer, groups, chat client rewrite & group chat
• Mobile website and mobile apps support tools main responsible (1 year)
• Ownership and migration of in-house CMS to opensource framework for easier maintenance
• Biggest Spanish social network until 2012, acquired by Telefonica

• Internal web applications, SOA and mobile web services
• Indoor routing R&D: optimal paths, step-by-step instructions. Achieved sub-second results, 20x less memory footprint

• Consulting services and full-stack development, including 4 years at ilitia Technologies
• Desktop, PDA, TabletPC & web applications: e-learning platform, airport passenger bridge control system, Messenger conversational bots