Claudio Teixeira
Lead AI Engineer @ We Are META
About
I build the bridge between ambitious business goals and their technical reality. For over 15 years, I've operated as a hands-on architect and technical leader, delivering 70+ applications and scaling engineering teams to 30+ developers to drive meaningful business transformation. My core passion is pioneering state-of-the-art AI solutions. I architect and implement advanced AI-driven systems, including Autonomous Agents, complex RAG pipelines, and full/semi-autonomous Agentic Applications that directly enhance productivity and accelerate delivery cycles. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ KEY AREAS OF IMPACT & EXPERTISE: 🧠 AI System Architecture & Deployment I architect and deploy production-grade GenAI solutions using LangChain, AutoGen, and Llama-index. My work includes fine-tuning models (LoRA) and optimizing execution (VLLM, Ollama) to solve specific domain challenges, measurably increasing workflow automation. 🤝 Strategic Partnerships & Elite Collaboration I have delivered results for global brands like Coca-Cola and major US real estate firms like Serhant, alongside VC-funded startups. My track record includes collaborating with high-caliber stakeholders, including former YouTube Product Directors, HSBC Executives, members of the META team at Twitter, and members of the U.S. Science Envoy for Artificial Intelligence. 📈 Enterprise Leadership & Scalable Systems As CTO, I define the technical vision for resilient, distributed systems (Microservices, Event-Driven) across multi-cloud environments. I specialize in translating complex business requirements into AI-augmented, production-ready solutions. 🚀 Full-Stack Execution & Team Mentorship I lead cross-functional teams in building complete applications, from backend services (Hono.js, Nest.js, FastAPI) and databases (Weaviate, PGSQL, MongoDB) on robust cloud infrastructure (K8s, Terraform), to modern frontends (React, Next.js). ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 🔗 LINKS: ▪️ claudioteixeira.com — My personal showcase website. ▪️ aispectrum.io — My AI blog, exploring the frontier of AI developments and insights. ▪️ coding-cloud.com — My resource hub for cloud and software engineering.
Portugal
Lisbon
Information Technology & Services
CrewAI, Google Cloud Platform (GCP), Large Language Models (LLM), Large Language Model Operations (LLMOps), Software Architecture, Artificial Intelligence (AI), Product Strategy, Systems Design, Start-up Consulting, Team Management, Technical Execution, Carga de trabalho de priorização, Alocação de recursos, Liderança de equipe, Gestão de engenharia, Ciência da computação, Web Projects, Monitoramento de performance, Mentoria, Liderança estratégica
Experience

Lead AI Engineer
Lisbon, Lisbon, Portugal
As the Lead AI Engineer for this venture, I architect the core intelligent systems that drive the product's unique value proposition. I am responsible for establishing the foundational technical strategy and engineering standards, focusing on the development of robust, scalable AI architectures. My work centers on the advanced implementation of autonomous systems and complex workflows, moving beyond simple integrations to build sophisticated, production-grade solutions. I lead the design of proprietary evaluation frameworks and multi-agent systems, ensuring that our technology stack is built on rigorous industry best practices while maintaining the flexibility to evolve with the rapid pace of AI advancement.

Founder & Principal Engineer
Lisbon, Portugal
Leading the technical vision and business strategy for AIS, focusing on delivering high-performance AI solutions. As the primary architect, I oversee the translation of business requirements into scalable technical specifications while driving the company's growth and product roadmap. Key Responsibilities: Technical Architecture: Designed and implemented the core system architecture from the ground up, ensuring scalability, security, and high availability for data-intensive AI applications. Product Strategy: Defining the long-term product roadmap and go-to-market strategy, bridging the gap between complex AI capabilities and user-friendly experiences. Team Leadership: Recruiting and mentoring a cross-functional engineering team, establishing code quality standards, and fostering a culture of rapid innovation. R&D: Leading research initiatives into emerging AI technologies to maintain a competitive edge in the market.

CTO and Partner
Lisbon, Lisbon, Portugal
As a visionary and hands-on CTO, I orchestrated the end-to-end technical strategy for a thriving software agency, successfully delivering over 50 commercial-grade projects and scaling the engineering department to 30+ developers. EXECUTIVE LEADERSHIP & STRATEGY ▪️ Set the overarching technical vision and strategy, driving the successful delivery of 50+ projects for clients across Fintech, Pharmatech, E-commerce, and more. ▪️ Scaled the engineering department to over 30 developers, fostering a high-performance culture of excellence, ownership, and innovation. ▪️ Provided executive leadership ensuring technical solutions were not only robust and scalable but also commercially viable and directly aligned with client business objectives. AI PIONEERING & BUSINESS IMPACT (2022-Present) ▪️ Pioneered the agency's strategic pivot into AI, conceptualizing and leading the development of cutting-edge GenAI and autonomous systems from the ground up. ▪️ Revolutionized client workflows by delivering hybrid GenAI tools and fully autonomous solutions, establishing a significant new revenue stream for the company. ▪️ Successfully positioned the agency as a market leader in practical AI implementation, creating a key competitive differentiator that drove new business growth. HANDS-ON ARCHITECTURE & EXECUTION ▪️ Acted as the lead Solutions Architect on key accounts, personally guiding the architecture of complex, scalable systems from agile MVPs to robust enterprise platforms. ▪️ Maintained a hands-on role in development and problem-solving, ensuring the highest standards of engineering were met across all projects.

CTO
Lisbon, Lisbon, Portugal
CTO and Lead Developer at Bannerwise. JavaScript Micro Services Design and Programming, Serverless Touch Points, Cloud Infrastructure, CDI/CD, TypeScript, Big Data Aggregations and Querying, Real-time data mirror services, Performance and uptime optimizations, Unit, Integration/End2End Testing on Backend and Frontend

Technical Engineering Manager
London
Lead Senior Front-End Engineer, responsible for the architecting, maintaining, testing of several scalable web gambling and casino web and mobile JavaScript applications across multiple clients. Up to 40 on-line international multi language and multi currency casinos and gambling websites deployed on production with both WhiteLabel and ad-hoc solutions for multiple web and mobile based platforms.

Research Assistant (PaaS - Platform as a Service / Software Engineering)
Madeira, Portugal
Project: Creating a Framework to Measure Usability and Learnability of PaaS Software Tools (1 year deadline) Role: Main Researcher Responsibilities: User tests creator, User tests coordinator, User tests coach, Tests Scenarios Creator, Statistical Analysis of datasets (SPSS), Literature reviewer, Articles writer, PaaS tools selector, PaaS tools tester and evaluator, Eye-tracking tests coordinator.

Senior Full Stack Developer
zeroInfinito Psicologia
Funchal
Project: Creating a fully featured web application to support the work of on-field psychologists and a simple public website (1 month deadline). The web application provides on-field support for registering different medical activities (on-field appointments and phone calls), creating, viewing and editing patient’s records, viewing and editing calendar, controlling volunteers, within others. The applications are used on a daily-basis. www.associacaozeroinfinito.pt Role: Consultant, Software Engineer and Developer Responsibilities: 1 (Support Web Application) - State-of-the-art front-end technology evaluator and selector, back-end (MySQL) database designer and developer, front-end framework (CodeIgniter) developer, Custom JavaScript developer, authentication technology developer (oAuth2.0-Google). 2 (Public Web Site) – Deployment, customization of a WordPress CMS instance to serve as a public website for the organisation. 3 (Webserver) – Selection of a hosting company, Configuration and setting up of Apache configurations (CodeIgniter), subdomains and e-mail accounts for both 1) and 2)

Android Developer
LocalEyes
Lisbon
1 Apr 13–1 Jun 13 CEO and Android Developer LocalEyes, Lisbon (Portugal) Project: Creating a start-up company (based on an Android application prototype) travelling concept on a national start-up financing contest (up to 200 nationwide applicants). Awarded with a Honourable Mention 5th place in the finals of the contest. Project Suspended due to financial issues. www.claudioteixeira.com Role: CEO, Android UI Designer, Android Developer Responsibilities: 1 (CEO) – Project coordination, Project Planning and Sponsorships, Team recruitment and interviewing, Media presentations designer. 2 (Android Developer) - Application UI designer, Web service communication developer (JSON Http calls, AsyncTasks), Sliding Menu developer, Action Bar developer (), retro-compatibility developer and tester(Android 2.3+), Navigation Flow designer developer.

Android Developer
Fuel Meter
Funchal
Project: Creating a multi-device compatible real-time car dashboard real-time fuel meter Android application for the Google Play Store (3 weeks deadline). Available at Google Play Store. www.claudioteixeira.com Role: Owner/Android Developer Responsibilities: Application UI designer, Real-time GPS component creation, ActionBar developer (ActionBarSherlock), Navigation Flow designer and developer, retro-compatibility developer and tester (Android 2.3+).

Front-end Developer / GIS Developer
CrisisTracker OpenSource Project (IBM)
Funchal
Creating the first version of the front-end and of a parallel ExtSJ4 powered version of Crisis Tracker (automated mining of twitter to report overview maps of real-time emergency scenarios faster than local media and official entities). Version 1.0 Open-source available at GitHub and later Adopted and Modified by IBM (Australia): ExtJS4 Version Prototype was cancelled due to high learning curve of the Sencha front-end framework for new developers integrating the team. Version 2.0 created on Qatar (Technology Institute) http://scd1.qcri.org/crisistracker/ Role: Front-end Technology Consultant, tester and Developer, Web Map Developer Responsibilities: Web map technology selector and developer (Open Layers), Web map interaction designer and developer, custom PHP, JavaScript, HTML and CSS developer, Front-end technology selector and developer (ExtJS4) for a desktop-like version of Crisis Tracker.
Education

Software Engineering
Competence Centre of Exact Sciences and Engineering (CCESE) - University of Madeira, Funchal (Portugal) Final Score: 18 (0-20) List of some courses: ▪ Distributed Systems ▪ Human-Centered Software Engineering ▪ Software Architectures for User Interfaces ▪ Software Architectures ▪ Design and Implementation of Software ▪ Masters Dissertation: Hudumia, A platform to support spontaneous volunteers under emergency scenarios

Computer Science
Competence Centre of Exact Sciences and Engineering (CCESE) - University of Madeira, Funchal (Portugal) Final Score: 16 (0-20) List of some courses: ▪ Processes and Metrics for Software Management ▪ Networks and Data Communication ▪ Human-Computer Interaction ▪ Data Structures and Algorithms ▪ Object Oriented Programming ▪ Computer Architecture
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