Open to opportunities

Sergio Paulo

@sergiopaulo

Message

Senior Full Stack Engineer delivering scalable web, cloud, and AI-driven solutions.

Brazil

Message

What I'm looking for

I seek senior engineering roles building scalable, AI-enabled web/cloud products with strong DevOps, test automation, and collaborative Agile teams.

I am a Senior Full Stack Software Engineer with 8+ years building enterprise-grade web, mobile, cloud, and AI applications using TypeScript, React, Next.js, Node.js, and Python. I design scalable APIs and microservices, lead migrations from monoliths to microservices, and build AI pipelines with LangChain and OpenAI to automate business processes.

I optimize delivery through CI/CD, Docker, Kubernetes, and Agile practices, and have repeatedly improved reliability and speed across distributed teams. I bring hands-on experience with PostgreSQL, MongoDB, Redis, AWS/GCP/Azure, and a strong focus on test automation and collaborative engineering standards.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Notion

Jan 2022 - Present (3 years 8 months)

Designed and developed scalable full-stack applications using React, Next.js, Node.js and AWS; built AI pipelines with LangChain and OpenAI to automate workflows and integrated REST/GraphQL APIs, improving system reliability and delivery speed.

React Next.js Node Python Lang Chain PostgreSQL Docker Kubernetes

Software Engineer

TrueNorth Digital

Jan 2019 - Jan 2022 (3 years)

Delivered TypeScript-based web and mobile applications with React, Next.js and React Native; architected cloud-native Node.js solutions on GCP and built Python APIs handling millions of records to enable scalable enterprise features.

TypeScript React Next.js React Native Node Django GCP)PostgreSQL API Design

Software Engineer

InnerSpace

Jan 2017 - Jan 2019 (2 years)

Built responsive UIs with React, Vue and Svelte and implemented scalable RESTful and GraphQL APIs with Node.js and Python, improving performance and security through middleware and best practices.

React Vue.Js Svelte Node Python RESTful APIs GraphQL MySQL API Security

Junior Software Engineer

IBM - Instituto Brasileiro de Mentoring

Jan 2017 - Dec 2017 (11 months)

Developed responsive layouts and data-table features using HTML, CSS and JavaScript; collaborated with senior developers to fix bugs and optimize MySQL queries, improving stability and usability.