Pedro Vitor Vilar Pitzer Cleis
Full-Stack Software Engineer | Back-end · Front-end · Software Quality and Test Automation
GitHub | LinkedIn | pedro.cleis AT outlook.com
About
Full-stack software engineer with over 5 years of experience at companies and organizations including Philips,
Sidia, CAIXA and UNICEF. Currently an IT Judiciary Analyst at the Regional Labor Court of the 2nd Region
(TRT-2), where I work on PJe, the electronic case management system of the Brazilian Labor Courts. I combine
back-end and front-end development with a strong focus on software quality, test automation and CI/CD. I also
have a background in applied research, including a paper in an international journal and a study that resulted
in software registered with INPI, the Brazilian National Institute of Industrial Property.
Skills
Back-end: Java (Spring), Python (Django), PHP (Laravel), Delphi
Front-end: JavaScript, TypeScript, Angular, React, Vue
Databases: Oracle Database, PostgreSQL, MySQL, Microsoft SQL Server, DGraph
DevOps and CI/CD: GitHub Actions, GitLab CI/CD, CircleCI, Azure
Quality and testing: Test automation, API testing, Selenium, Playwright, Robot Framework,
Postman/Newman
Methodologies: Agile methods (Scrum, Kanban), TDD, BDD, Spec-Driven Development, AI-assisted development
Main Professional Experience
Judiciary Analyst – Information Technology (Full-Stack Developer) | Regional Labor Court of the 2nd Region
(TRT-2) | São Paulo, SP | Jun 2026 – present
- Full-stack developer in the PJe development team; PJe is used across the entire case workflow of the Labor
Courts
- Developing new features and enhancements for PJe with Java on the back-end and TypeScript/Angular on the
front-end
Banking Technician in IT (Software Quality Analyst / QA) | Caixa Econômica Federal (Federal Savings Bank) |
Brasília, DF | Jan 2025 – Jun 2026
- Quality agent at the IT Governance Center, in the Instant Payments (Pix) community
- Coordinated contracted staff on Pix quality and testing activities
- Automated dozens of API and business flow tests with Postman/Newman and Robot Framework (Python),
integrated into the DevOps pipeline
- Adopted AI-agent-assisted development driven by TDD, BDD and Spec-Driven Development
Software Development Consultant (Full-Stack Developer) | UNICEF | João Pessoa, PB | Feb 2024 – May
2026
- Three contracts: Feb 2024 – Apr 2024, Jun 2024 – Oct 2024 and Jun 2025 – May 2026
- Full-stack developer, working on every stage of the project
- Used PHP with Laravel, TypeScript with React and MySQL
- Worked on the survey system, built automated reports and created a dashboard for better data
visualization, and improved the system's performance and security
Experienced software developer | Philips | João Pessoa, PB | Mar 2022 – Apr 2023
- Full-stack developer focused on back-end and databases for Tasy, Philips' hospital management system, in
the Financial and Accounting modules
- Developed new features and fixed bugs with Java/Spring, Angular and Oracle Database in the web version,
and maintained legacy modules in Java Swing and Delphi
Junior software developer | Sidia | Manaus, AM | Dec 2020 – Mar 2022
- Worked at SOL (Samsung Electronics Overseas Lab), on R&D projects for Samsung
- Developed a web platform that collects and displays data from different version control systems, with
Python/Django, TypeScript/React, PostgreSQL and DGraph
- Developed AMANDA, a middleware for automatic migration between different database paradigms, published in
Applied Sciences (2022)
Workgroup assistant | National Education and Research Network (RNP) | João Pessoa, PB | Oct 2014 – Oct
2015
- Researched defenses against "slow attack" denial-of-service attacks on HTTP and VoIP (SIP), working with
professors Dr. Vivek Nigam and Dr. Iguatemi Fonseca
- Modeled and analyzed the protocols using formal methods and rewriting logic (Maude), with simulations that
closely matched real-world experiments
- The research resulted in Seven, a software registered with INPI (BR 51 2016 001750-3)
Education
- Postgraduate specialization (lato sensu) in Software Engineering | Faculdade Focus | 2025
- BSc in Computer Science | Federal University of Paraíba (UFPB) | 2013 – 2020
Publications
- AMANDA: A middleware for automatic migration between different database paradigms
Languages
- Portuguese: Native
- English: Professional proficiency
- German: Basic