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Thaíssa Rojas

@thassarojas

Full-Stack Software Engineer at CI&T modernizing legacy Java applications and delivering production-ready features for business-critical systems.

Brazil

Message

At CI&T, I modernize legacy Java applications and deliver full-stack solutions for business-critical systems. My work includes scalable APIs and production-ready features using Java, Spring Boot, Angular, Node.js, and React.

At IBM Consulting, I led frontend development for a high-risk banking domain using Angular and a microfrontend architecture. I increased unit test coverage by 30% and contributed to CI/CD processes and AWS deployments.

Earlier, I developed a reusable Angular component library at Instituto de Pesquisas Eldorado and built interfaces for logistics and web applications at AwareLog and GoBots. I’ve also worked with RESTful APIs, automated testing, and frontend architecture.

Experience

Work history, roles, and key accomplishments

Current

Software Analyst Mid Level

Current

CI&T

Feb 2025 - Present (1 year 8 months)

Led modernization of legacy Java applications and delivered full-stack solutions using Java, Node.js, Angular, and React. Managed production deployments and coordinated cross-functional initiatives with international clients.

Java Spring Boot NodeJS NestJS Angular React Microservices REST APIs Clean Architecture SOLID Principles Legacy Modernization Code Review Test Strategy CI CD AWS Scrum Kanban

Application Developer - Digital Experience

IBM Consulting

Jun 2022 - Feb 2025 (2 years 8 months)

Led frontend development for a high-risk banking domain using Angular within a microfrontend architecture. Increased unit test coverage by 30% and contributed to CI/CD processes and cloud-based deployments on AWS.

Angular Micro Frontend Architecture REST APIs Unit Testing Test Coverage CI CD AWS TypeScript JavaScript

Full-Stack Development Intern

Instituto de Pesquisas Eldorado

Aug 2021 - Jun 2022 (10 months)

Developed a reusable Angular component library aligned with design system standards and contributed to scalable frontend architecture and technical documentation. Participated in backend development using Node.js and Java (Quarkus).

Angular Component Libraries Design Systems Compodoc NodeJS Java Quarkus REST APIs

Junior Front-End Developer

AwareLog

Oct 2019 - Aug 2021 (1 year 10 months)

Developed a mobile-first logistics management platform using Angular 8, building responsive and adaptive interfaces. Implemented unit tests with Jasmine and Karma to ensure code reliability.

Angular TypeScript JavaScript Jasmine Karma Unit Testing UX Component Based Architecture

Junior Front-End Developer

GoBots

Aug 2018 - Oct 2019 (1 year 2 months)

Developed responsive web applications using Angular 6, Bootstrap, and SASS, implementing new features and user interfaces based on business requirements. Contributed to backend feature development using Kotlin and MongoDB.

Angular Bootstrap SASS Kotlin MongoDB Responsive Design UI Development