01
HR System
Cloud-based time tracking system with automated labor rules and biometric integration.
// 01. about
About me
I'm a Full Stack developer with over 5 years of experience creating complete and scalable digital solutions. My journey is marked by delivering projects that combine performance, functional design, and robust architecture, always focusing on the best user experience.
Throughout my career, I've launched over 10 projects across different platforms, working from conception to final delivery. I have a keen eye for details, value clean code, and maintain a collaborative approach to transform ideas into high-impact digital products.
$ whoami
pierre_fullstack_dev
$ cat profile.json
{
"name": "Pierre",
"xp": 5,
"projects": 10,
"city": "Curitiba",
"stack": "Java+Angular"
}
"name": "Pierre",
"xp": 5,
"projects": 10,
"city": "Curitiba",
"stack": "Java+Angular"
}
$ status_
5+ Years exp.
10+ Projects
4 Platforms
Systems Analysis & Dev. · UNINTER 2021 – 2024
// 02. projects
Projects
> Some of the projects I worked on
02
HR Mobile App
Hybrid app for time tracking with geolocation and facial recognition.
03
Access Control
Real-time access control system integrated with turnstiles and facial recognition.
04
Inventory & Sales Platform
Inventory and sales platform with PWA and scalable cloud architecture.
05
TopPonto Integration & SDK (.NET)
SDK and integration layer to standardize communication with time tracking APIs.
06
Database Updater (Azure)
Python automation for updating databases across multiple Azure environments.
// 03. skills
Skills
> Core Technologies & Architecture
[ Backend ]
JavaSpring BootHibernateJPAREST APIsNode.jsExpressTypeORMRedisKafkaC# .NETTomcat
[ Frontend ]
JavaScriptAngularJSAngularTypeScriptBootstrapCSSSCSSHTMLPWA
[ Mobile ]
IonicCapacitorCordovaAndroid
[ DevOps ]
AzureDockerGrafanaPrometheusCI/CDGitPostmanKanban
[ Database ]
SQL ServerPostgreSQLDBeaver
Learning now
Backend
FastAPISupabaseFirebaseCloudflare R2Astro
Mobile
FlutterDartDriftSQLite
// 04. experience
Experience
Aug 2024 — Atual
Topdata /
Full Stack Developer
Development of web and mobile applications focused on management and control systems, working as a full stack developer. • Built user interfaces using Angular, Ionic, TypeScript and SCSS • Developed REST APIs with Java (Spring Boot), Hibernate and JPA •Involvement in technical decisions related to architecture, scalability, and system integration • Integrated systems using Kafka and Redis to improve communication between services • Implemented automatic mobile data synchronization ensuring scalability and high performance • Worked on access control systems integrated with physical devices (turnstiles and facial recognition) • Managed deployments on Azure • Published and distributed mobile applications via Google Play Console • Containerized applications using Docker • Monitored systems with Grafana and Prometheus Results: • Improved system performance and stability • Enhanced service communication and data processing • Contributed to scalable solutions integrating software and hardware
Mar 2022 — Mar 2024
Bel /
Full Stack Developer
Worked on the development and evolution of web systems and PWAs, focusing on performance and user experience. • Developed applications using Angular, Ionic and TypeScript on the front-end • Built REST APIs with Node.js (Express) and Java (Spring Boot) • Integrated systems with PostgreSQL and SQL Server • Contributed to WMS systems development • Deployed Java applications using Apache Tomcat • Used Git and worked in an agile (Kanban) environment Results: • Improved application usability and performance • Continuous evolution of critical systems • Delivered features with direct impact on end users
// 05. contact
Contact
Let's talk? I'm open to opportunities and collaborations.
pierre.passos.dev@gmail.com