Question 1

What programming languages and frameworks does Erion Criscente specialize in?

Accepted Answer

Erion Criscente specializes in Python (Django), JavaScript/TypeScript (React, Next.js, Node.js), cloud technologies (AWS Lambda, DynamoDB, S3), containerization (Docker), and is expanding his expertise in Machine Learning and Artificial Intelligence. He has professional experience building scalable web applications and business platforms.

Question 2

What kind of projects has Erion Criscente worked on?

Accepted Answer

Erion has extensive experience building scalable web applications, including interactive platforms, user engagement systems, and microservices architecture. He has developed serverless applications using AWS Lambda, DynamoDB, and SQS queues in production environments. He specializes in secure API authentication (JWT, OAuth2) and full-stack web applications.

Question 3

How can I connect with Erion Criscente professionally?

Accepted Answer

You can connect with Erion through his LinkedIn profile or schedule a networking call through his website calendar at erion.dev. He's interested in discussing technology trends, sharing knowledge about web development, cloud architecture, and LLMOps. He enjoys connecting with fellow developers and tech professionals globally, communicating in English and Portuguese.

Question 4

What is Erion Criscente's experience with cloud technologies and AWS?

Accepted Answer

Erion has hands-on experience with AWS serverless architecture, including Lambda functions, DynamoDB databases, S3 storage, and SQS message queues. He has built production-scale web applications using these technologies in professional environments, focusing on scalability, cost optimization, and performance. He also implements CI/CD pipelines and infrastructure as code.

Question 5

Does Erion Criscente have experience with AI and Machine Learning?

Accepted Answer

Yes, Erion is currently pursuing a postgraduate degree in Machine Learning and Artificial Intelligence, expanding his expertise in modern AI technologies and their practical applications. He has completed foundational courses in Generative AI, LLM operations, and Advanced Data Engineering. This positions him to integrate AI capabilities into web applications and work with emerging AI technologies.

Question 6

What makes Erion Criscente different from other full-stack developers?

Accepted Answer

Erion combines technical expertise with real business impact - he significantly increased student engagement from 30% to 70% completion rate through microservice development and played key roles in building educational platforms used by large user bases. His focus on performance optimization (Core Web Vitals), security (JWT/OAuth2), and modern development practices (Docker, serverless) ensures production-ready solutions. He also stays current with emerging technologies like Machine Learning and AI.

Question 7

Where is Erion Criscente located and does he work remotely?

Accepted Answer

Erion is based in Monte Alto, São Paulo, Brazil, and works with clients globally. He has experience with remote collaboration and can work across different time zones. He communicates fluently in English and Portuguese, making him accessible to international clients and teams.

Question 8

What is Erion Criscente's approach to web performance optimization?

Accepted Answer

Erion follows modern web performance best practices, focusing on Core Web Vitals optimization (LCP, CLS, INP). He implements techniques like image optimization, code splitting, lazy loading, resource preloading, and performance monitoring. His recent work achieved excellent Core Web Vitals scores with LCP of 1.2s and minimal layout shifts, demonstrating expertise in creating fast, user-friendly websites.

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