Filipe – Next.js, Node.js, Typescript

A leading property portal in the Gulf region, including SEO-critical search and community pages, user-generated Q&A, and a public AI property assistant.

• Owned performance and SEO engineering across the core website: set a 100ms response SLA per page, moved logic from the client to the backend, parallelized calls, and removed 14 to 15 third-party scripts.
• Built an SVG optimization pipeline and served correctly sized WebP images per placement, cutting search page load time by 33%.
• Drove share of voice to a company record of 52%, publicly recognized by the CEO.
• Rebuilt the shared CMS content layer behind every SEO-critical page and served deduplicated CMS calls from a Redis-backed cache.
• Built a location enrichment service in Node.js, TypeScript, and PostgreSQL that answered any location ID in under 100ms, kept fresh by event-driven updates through a queue.
• Replaced a Google API approach that would have cost about $500K a year with the open-source OSRM router, calculating real walking and driving distances to points of interest daily at no cost.
• Architected and shipped the public AI property assistant on TanStack Start and React Query, streaming responses token by token over Server-Sent Events.
• Owned user-generated Q&A end to end, including the content pipeline, a moderation flow with business rules, confidence levels, and human approval, and the frontend.
• Led the front-end chapter and mentored 2 junior engineers.

Customer support automation and a shared front-end platform for a streaming device company: an AI support assistant connected to the contact center, plus a design system and web frameworks used across business units.

• Owned the AI customer support assistant end to end as the directly responsible individual, from architecture to implementation.
• Built an orchestrator agent that routed requests to specialized agents, starting with cancellations, which made up about 40% of contacts.
• Implemented RAG with one Elasticsearch vector index per agent, re-indexing chat history and forum content on a 24-hour cycle.
• Autoscaled the assistant containers on CPU, memory, and request count across US East and US West regions.
• Migrated phone and chat support to AWS Connect and designed the conversation architecture and escalation paths.
• Led the engineering side of the design system replatform and shipped component libraries across web, mobile, and TV for 5 business units.
• Built shared web frameworks adopted by teams across 10+ device platforms, reducing new-feature development time.
• Set up CI/CD with visual regression, accessibility, and performance gates.
• Mentored 3 junior developers and ran architecture reviews.

Video streaming apps for a major European broadcaster across web, desktop, and TV devices, including the consolidation of 12 territory apps into 2 unified platforms and a GraphQL backend-for-frontend layer.

• Led the front end of the European consolidation, collapsing 12 territory apps into 2 unified platforms with 83% less code.
• Co-founded the GraphQL backend-for-frontend layer as a two-engineer side project and grew it into a dedicated team of four engineers, a technical BA, and a manager.
• Designed the GraphQL layer with modules so upstream APIs could be swapped, and used persisted queries to reach about 98% CDN offload with a TTL per query.
• Expanded the graph into federation with the identity team, supporting integrations for around 10 teams.
• Expanded the streaming services to more than 6 AWS regions to support global launches.
• Set up CI/CD pipelines and front-end tooling adopted by 5 teams, and introduced performance budgets, error monitoring, and analytics across 5 streaming platforms.
• Shipped 5 streaming products across web, desktop, and TV devices.

A GDPR-compliant data platform with ETL pipelines, a data-matching application that processed more than 10M records a day, and a suite of data-heavy analytics applications.

• Designed the UI for the data-matching platform, processing 10M+ records a day with sub-second interactions.
• Built the front end for 8+ data-heavy analytics applications as the sole web developer.
• Built ETL pipelines for the GDPR-compliant data platform.
• Ran CI/CD pipelines and Kubernetes and AWS infrastructure for front-end delivery.
• Led Drupal 8 migrations.