Full Stack Developer
Full stack developer specialized in React, Next.js and Node.js. Based in São Paulo, Brazil · GMT−3.
Guilherme Oliveira
— 2026
01 — Profile
I am Guilherme Oliveira, a Full Stack JavaScript Developer with a degree in Systems Analysis and Development. I build modern end-to-end applications: React and Next.js interfaces, REST APIs, databases and cloud deployment. I work with TypeScript, Node.js, NestJS, PostgreSQL, DynamoDB, serverless AWS architectures and infrastructure as code with AWS CDK. I value automated testing, performance, SEO and maintainable code in products that evolve continuously. I work proactively and collaboratively from requirements gathering through delivery.
02 — Experience
Apr 2026 — present
Support for a platform used across Europe, end-to-end feature development and process automation. Frontend work with React, Next.js, TypeScript and Mantine; serverless backend work with infrastructure as code in AWS CDK and integrations to evolve internal workflows and product experience.
Nov 2025 — Apr 2026
Developed and maintained features for a platform used across Europe. Frontend with React, Vite, TypeScript and Mantine; serverless backend also using NestJS, Prisma, PostgreSQL RDS, DynamoDB and Cognito. Quality coverage with Cypress and Jest, collaborating with the team to deliver on time.
03 — Projects
Projects and case studies will be published here soon.
2026
04 — Stack & skills
HTML, CSS, JavaScript, TypeScript, React, Next.js, Tailwind CSS, Vite and Mantine.
Node.js, Express, NestJS, REST APIs, Prisma, MySQL, MongoDB, PostgreSQL, DynamoDB, AWS Serverless and AWS CDK.
AWS Serverless, AWS CDK, Cognito, RDS, DynamoDB, Git, GitHub, GitLab, Cypress, Vitest and Jest.
05 — Contact
For full stack opportunities, web products or a technology conversation.