Open to opportunities

Sammy Junior

@sammyjunior

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Mid-level Full-Stack Developer with expertise in high-performance applications.

Brazil

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What I'm looking for

I seek a dynamic role where I can leverage my full-stack skills to drive impactful projects and foster innovation.

I am a dedicated Full-Stack Developer with over 4 years of experience in building high-performance applications, specializing in Java, JavaScript, and Spring Boot. My work has significantly contributed to organizational revenue exceeding $60 billion by optimizing distributed systems and enhancing user experiences for millions of users. I thrive in high-pressure environments and excel in fostering collaboration within multinational teams.

At the Federal Court of Accounts, I improved user experience for over 3,000 users by optimizing the frontend with React and implementing Big Data solutions that enhanced data accessibility. My previous roles at CNH Industrial and Banco do Brasil further honed my skills in streamlining workflows and ensuring application reliability, resulting in increased efficiency and productivity across large-scale organizations. I am passionate about leveraging technology to solve complex problems and drive business success.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Federal Court of Accounts (TCU)

Apr 2023 - Present (2 years 2 months)

Enhanced user experience for over 3,000 users by optimizing frontend with React and resolving design inconsistencies. Improved backend efficiency by refactoring Kotlin and Spring code, raising test coverage above 80%. Managed CI/CD pipelines with Jenkins and Rancher, and deployed Big Data solutions for improved data management.

Kotlin Spring Boot React Jenkins PostgreSQL Elasticsearch Big Data DDD CI CD

Full-Stack Developer

CNH Industrial

Jan 2023 - Jun 2023 (5 months)

Resolved critical application issues in Vue.js, enhancing user experience for over 60,000 employees. Collaborated with stakeholders to align solutions with DDD and SOLID principles, improving efficiency by 40%. Ensured internal platform stability for global users.

Vue Java DDD SOLID WCM JavaScript Data Security Documentation User Experience

Full-Stack Developer

Banco do Brasil

Nov 2021 - Jan 2023 (1 year 2 months)

Improved user workflow by 60% by modernizing web applications with Angular. Enhanced backend performance using Quarkus and Java, managing CI/CD tools to ensure application reliability for the second-largest bank in Latin America.

Angular Java Quarkus CI CD Jenkins DDD Clean Code Microservices SQL Performance Optimization

Trainee Full-Stack Developer

Court of Justice

May 2021 - Dec 2021 (7 months)

Collaborated with senior developers to implement new Java and Angular features. Refactored backend classes in Java to enhance code quality and optimized Java Server Pages applications for improved user experience.