Adam Souza

About

Senior Engineer with 15+ years of experience building high-performance web applications using React, Next.js, and TypeScript. Strong full-stack expertise with Node.js and scalable architecture, along with experience implementing UI systems using Material UI and Tailwind CSS. Experienced with cloud-based deployments (AWS basics) and CI/CD, integrating REST/GraphQL backend services and MongoDB/SQL databases to deliver production-grade solutions for global remote teams.

Experience

• Senior Frontend Engineer · LettrLabs01-01-2025 – 12-31-2025

  ● Built and scaled robust frontend features using React, TypeScript, and Tailwind CSS, ensuring proper state management for a production SaaS platform. ● Configured and optimized frontend build tooling by migrating from legacy systems to Vite, significantly improving developer experience and build times. ● Collaborated with design teams to shape design systems via Storybook, empowering consistent and pixel-perfect UIs. ● Integrated complex frontend applications with internal APIs (GraphQL, Node.js), collaborating across teams to design and iterate on API interfaces. ● Optimized image rendering workflows and canvas performance, addressing specific web performance issues.

• Senior Frontend Engineer · Capco07-01-2023 – 12-31-2024

  ● Designed and implemented frontend solutions for a high-visibility enterprise platform serving 10,000+ users, adhering to security and privacy best practices. ● Defined API schemas and worked with REST APIs and GraphQL to communicate effectively with the server, partnering closely with backend teams. ● Took ownership of the complete frontend lifecycle, including architecture, debugging the React render cycle, and deployment. ● Implemented automated testing strategies using frameworks compatible with Jest and Playwright standards to ensure reliability. ● Actively participated in code reviews to improve code quality and enhance engineering workflows across distributed teams.

• Senior Frontend Engineer · Capgemini01-01-2022 – 07-31-2023

  ● Developed robust UIs for a platform used by a global maritime logistics leader, focusing on scalability and performance. ● Led frontend architectural decisions using React and TypeScript, ensuring efficient data fetching and state management. ● Standardized reusable components using Storybook to help shape the design system and improve development speed. ● Collaborated with backend engineers to integrate REST APIs and ensure seamless server communication.

• Senior Frontend Engineer · T-Systems01-01-2020 – 01-31-2022

  ● Architected and maintained microfrontend-based solutions for large-scale hospital applications. ● Managed complex build configurations and dependencies to improve modularity and team autonomy. ● Owned frontend delivery end-to-end, leveraging CI/CD pipelines and GitHub for version control. ● Contributed to the evolution of frontend standards, focusing on maintainability and code quality.

• Senior Frontend Engineer · Embraer01-01-2014 – 01-31-2020

  ● Spearheaded the development of mission-critical web applications using React, Angular, and TypeScript. ● Built complex, data-driven UIs, ensuring robust performance and reliability for aviation systems. ● Implemented automated testing strategies, reducing production bugs by ~40% and ensuring system stability. ● Collaborated cross-functionally to deliver high-quality software solutions.

• Frontend Developer · Simova01-01-2012 – 01-31-2014

  ● Developed responsive web interfaces using JavaScript, HTML, and CSS. ● Integrated frontend features with backend services using Ajax for asynchronous data fetching.

• Frontend Developer · Zarpar.com01-01-2010 – 01-31-2012

  ● Built and maintained consumer-facing web applications focusing on cross-browser compatibility. ● Optimized web performance to ensure a smooth user experience.

• Web Designer / Frontend Developer · Fox Design01-01-2009 – 01-31-2010

  ● Designed and developed websites combining UI/UX principles with frontend implementation. ● utilized HTML, CSS, and JavaScript to create visual interfaces.

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