Notable Highlight
Built an AI-powered web scraping and data extraction platform capable of navigating, authenticating, and extracting data from approximately 3,000 different websites. Designed systems where AI models made navigation and extraction decisions dynamically rather than relying on static scraping logic.
Experience Summary
Euller is a Senior Full-Stack Engineer with 5+ years of experience building web applications, AI-powered systems, cloud-native infrastructure, and scalable frontend applications for international teams. His background includes frontend engineering with React and Next.js, backend development with Python and Node.js, and production deployments across AWS and GCP environments. He worked in fast-paced engineering environments delivering production-ready applications with emphasis on scalability, automation, and modern AI-integrated workflows. He contributed extensively to frontend feature development using React, TypeScript, and Next.js while collaborating with cross-functional product and engineering teams across global projects. Over the past several years, Euller focused on AI-assisted development and LLM-integrated systems, leveraging tools such as Claude, Cursor, Gemini, and OpenAI models to accelerate engineering workflows and automate complex product behaviors. He built AI-driven automation pipelines, analytics integrations, and large-scale web data extraction systems while maintaining ownership across the full development lifecycle.
Key Achievements
* Built scalable frontend and full-stack applications using React, Next.js, TypeScript, and Node.js * Developed AI-powered automation systems capable of dynamically navigating and extracting data from thousands of websites * Built and deployed cloud-native systems using AWS, GCP, Docker, Kubernetes, and Cloud Run * Implemented analytics integrations and user behavior tracking systems using Google Analytics and observability tooling * Delivered production-ready systems for US-based clients in fully remote engineering environments * Integrated LLM providers including Claude, Gemini, and OpenAI into product workflows and engineering systems * Built scalable CI/CD and infrastructure pipelines using Docker, GitHub Actions, and containerized deployments * Contributed to frontend architecture, backend systems, and cloud infrastructure in multinational teams
Skills
Work Experience
Software Engineer
Pla. · San Francisco, CA · Nov 2025 – Present
- Collaborate with US-based clients across time zones on production work in English.
- Build and ship full-stack features using Next.js, TypeScript, GCP, and Vercel, optimizing for performance, scalability, and fast iteration cycles.
- Integrate LLMs into the development lifecycle (code generation, review, debugging, scaffolding), reducing delivery time while maintaining high code quality standards.
- Design and deploy AI-powered features and internal tools, applying API integrations in production environments.
- Own end-to-end feature development, ensuring clear architecture, efficient data flow, and strong alignment between frontend, backend, and product.
- Develop automation and web data extraction pipelines using Python and Playwright.
Software Engineer
DD · Jul 2022 – Nov 2025
- Lead and owned frontend development within global projects, delivering responsive, user-facing features to customers worldwide.
- Built and maintained scalable applications using React, TypeScript, and Node.js, with additional contributions in Python for backend and integration tasks.
- Delivered production-ready code daily, leveraging AWS cloud services (S3, Lambda, ECS, RDS, DynamoDB, SNS, SQS, among others) for performance, scalability, and reliability.
- Collaborated with cross-functional teams (design, backend, product) to ensure seamless user experiences and impactful features.
- Mentored team members by reviewing code, providing technical guidance, and raising the overall quality bar.
- Contributed across the stack in fast-paced environments, applying Agile methodologies and CI/CD practices.
- Thrived in a multinational team environment by leveraging strong English communication skills to bridge cultural gaps and streamline project execution using the Scrum framework.
- Designed and delivered new features and bug fixes using TypeScript with React & Next.js for performant frontends and NestJS for robust backend APIs, ensuring high code quality with unit tests (Jest) to maximize coverage and prevent bugs.
- Streamlined development processes with SQL scripting, Postgres, Docker (containerization), and GitHub Actions.
Undergraduate Teaching Assistant
DDCDCU · Belo Horizonte, Minas Gerais, Brazil · Aug 2021 – Dec 2022
- Assisted the professor in delivering computer programming lectures to over 300 students.
- Provided support to students during lab sessions, helping them learn Python and C languages.
- Graded assignments, exams, and projects.
- Collaborated with other teaching assistants and the professor to improve course materials and delivery.
Software Developer
Sin. · Belo Horizonte, Minas Gerais, Brazil · Oct 2021 – Jul 2022
- Developed and maintained backend code in C# using .NET, including for a legacy private pension system.
- Wrote SQL scripts and worked with a variety of technologies, including SQL Server and Azure DevOps.
- Wrote unit tests to ensure quality and prevent bugs.
- Built a small frontend application using TypeScript and Angular.
- Collaborated with a team of engineers to develop and deliver features using the Agile Scrum framework.