Guilherme Dalla Rosa
CTO at MerCloud
London, United Kingdom
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Guilherme Dalla Rosa is a seasoned software engineer with extensive industry experience, having contributed to projects across Brazil, Ireland, and the UK. He currently serves as the CTO of MerCloud, a B2B e-commerce platform that streamlines the sales process for companies. In addition to his leadership role at MerCloud, Guilherme is also an AWS Community Builder, where he actively shares his expertise and passion for leveraging technology to help businesses enhance their processes and achieve their goals.
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Architecting Multi-Tenant Solutions with Next.js and the App Router
Learn how to architect scalable multi-tenant applications using Next.js and its powerful App Router. In this talk, we'll explore the essential characteristics of multi-tenant architectures and demonstrate how to serve dynamic, personalized content efficiently. We'll dive deep into leveraging features like Incremental Static Regeneration (ISR) to optimize performance and scalability. By the end of this session, you'll have a comprehensive understanding of how to implement multi-tenancy in your Next.js projects, enabling you to serve multiple users seamlessly while maintaining high performance.
Building Secure and Efficient SaaS Platforms on AWS Serverless
Let's go on a journey through the world of multi-tenant architectures on AWS using serverless technologies. In this talk, we will uncover the key aspects of multi-tenancy, including security, tenant isolation, and performance. We will learn how to utilise Cognito for authentication, DynamoDB to store millions of tenant-partitioned records and lambda for compute. We will also explore different deployment models and their tradeoffs, and, finally, we will learn how to implement policy-based isolation with IAM to keep our execution context tied to one specific tenant and avoid data leakage. By the end of this talk, you will feel more confident building SaaS applications on AWS with serverless technologies and you will have learned some of the many insights that come from the AWS Well-Architected SaaS Lens.
Garantindo a Segurança e Isolamento de Dados em Plataformas SaaS com AWS Serverless
Como podemos construir plataformas SaaS seguras e eficientes na AWS utilizando Serverless? Nesta palestra, vamos explorar como arquiteturas multi-tenant podem ser implementadas, garantindo segurança robusta e isolamento de dados entre os tenants. Abordaremos como o Cognito pode ser usado para autenticação e gerenciamento de usuários, e como integrá-lo com o API Gateway e Lambda para configurar o isolamento de dados e recursos baseado em políticas do IAM, evitando vazamento de dados e assegurando que cada execução esteja vinculada ao tenant correto. Ao final desta sessão, você terá adquirido conhecimentos práticos e insights valiosos do AWS Well-Architected SaaS Lens, permitindo que construa aplicações SaaS Serverless na AWS com confiança e excelência.
The art of Multi-Tenancy: A deep dive into Multi-Tenant architectures on AWS
Embark on a journey through the world of multi-tenant architectures on AWS. Uncover the key aspects of multi-tenancy, including security, tenant isolation, and performance. Learn how to utilize Cognito for authentication, explore the landscape of different deployment models, and implement policy-based isolation with IAM. Rise to the challenges of multi-region deployments and draw valuable insights from the AWS Well-Architected SaaS Lens.
Guarding the Generative Path: Architecting Responsible AI with Amazon Bedrock Guardrails
Generative AI can accelerate innovation, but only when every response respects safety, privacy and trust. In this session, we step into the control room of Amazon Bedrock Guardrails and see how purpose-built safeguards turn risky prompts, hallucinations and policy violations into confident, production-ready answers.
Bedrock Guardrails acts like a bouncer with a law degree: contextual grounding checks every fact against RAG sources to catch hallucinations before they surface, while automated reasoning translates corporate policy into formal proofs that block anything out of bounds.
Let's explore how versioned "guardrails-as-code" enables a single CloudFormation push to raise the safety bar without touching app logic, with real-time metrics and audit logs streaming straight into CloudWatch to spotlight every blocked prompt the moment it happens.
Join the journey and discover how to keep every generative path secure. After all, responsible AI is more than good practice — it's good architecture, and "Guarding the Generative Path" starts right here.
What DSQL? – Rethinking SQL for the Serverless, Distributed Age
Amazon Aurora DSQL is a brand-new, serverless distributed SQL service that provides multi-region, active-active reads and writes, strong ACID consistency, and virtually unlimited scalability without the need for manual sharding or instance provisioning.
In this session, we'll take a closer look under the hood to understand how DSQL lives up to its promises, tracing its high-level architecture to see how the design delivers global consistency and elastic scale while comparing those choices with Aurora Serverless v2, DynamoDB, and other AWS databases.
DSQL represents a significant shift in how we approach distributed database design, but like any technology, it comes with trade-offs. Let's explore together the specific scenarios when DSQL is the right tool and when another database option will serve you better.
SaaS Factory: Choosing the Right Serverless Components for the Job
Serverless is the rocket fuel for modern SaaS platforms—but only when each multi-tenant requirement is paired with its ideal AWS building block.
Let's explore a production-grade serverless SaaS reference architecture, focusing on key decision points to enhance your development process. By examining multi-tenancy from different tenant personas, you'll see how resource-sharing strategies impact architecture. This includes practical patterns for managing noisy tenants, ensuring secure authentication, and achieving robust data isolation, all of which help keep your platform responsive, compliant, and secure.
We'll also look into the critical role of observability and explore how to make it comprehensive, incorporating tenant-level visibility to provide individual tenant performance, resource consumption, and health metrics.
Join the session to transform your SaaS ambitions into scalable realities by taking guidance from the AWS Well-Architected SaaS Lens framework and AWS SaaS Factory to be equipped to build serverless SaaS solutions that are both innovative and enterprise-ready.
AWS Community Day Italy 2025 Sessionize Event
AWS Community Day DACH 2024 Sessionize Event
ServerlessDays Belfast 2024 Sessionize Event
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