Renato Douglas Zembrani
Joinville, Santa Catarina, Brazil ·-· -
linkedin.com/in/renato-douglas-zembrani
1
Summary
Backend developer with over 5 years of experience, specializing in Node.js, TypeScript, and
REST APIs, focusing on scalable, secure, and high-performance solutions. Expertise in integrations with relational databases (MySQL, PostgreSQL, Redis) and DevOps tools such as Docker,
Kubernetes, and CI/CD. AWS Certified Cloud Practitioner. Passionate about solving complex
problems, I collaborate autonomously in agile teams, delivering clean and efficient code while
constantly exploring new technologies.
2
Education
Universidade do Estado de Santa Catarina (UDESC)
Bachelor’s Degree in Computer Science
3
Certifications
• AWS Certified Cloud Practitioner
4
August/2015 – June/2021
Joinville, SC, Brazil
2025
Professional Experience
Joinville, SC, Brazil
September/2022 – Present
Imediatum Tecnologia
Backend Developer / Node.js / TypeScript
• Developed scalable REST APIs with Node.js and TypeScript, integrating with MySQL and
Redis for billing, payment slip issuance, and invoice solutions.
• Configured monitoring systems with FluentD, Elasticsearch, and Kibana, with alerts integrated into Slack, ensuring observability and rapid incident response.
• Wrote unit and integration tests with Jest, Supertest and TestContainers, adhering to SOLID
principles to ensure code quality and maintainability.
• Collaborated on technical definitions with product teams, proposing solutions for scalability
and security in strategic projects.
• Protagonist in the introduction of Docker containers in internal projects, migrating legacy
applications to containerized environments with a focus on standardization and improving
the local development experience.
• Deployed systems in a Kubernetes environment (internal cluster), utilizing the blue-green
deployment strategy to simulate CI/CD scenarios and high availability.
Joinville, SC, Brazil
March/2020 – September/2022
SoftExpert - Software for Excellence
Full Stack Developer / PHP / React
• Developed features in React for the front-end and enhanced backend systems with PHP and
Doctrine, integrating with PostgreSQL and Oracle.
• Fixed bugs and optimized performance, applying unit tests for greater stability and design
patterns for maintainability.
• Participated in agile methodologies (SCRUM), contributing to code reviews and aligning with
business requirements.
1
Joinville, SC, Brazil
October/2018 – March/2020
Companhia Águas de Joinville
Backend Developer
• Created optimized queries in SQL Server for ERP systems, improving customer service processes.
• Participated in a hackathon, developing a data aggregation system to identify water supply
losses, demonstrating real-world problem-solving skills.
5
Technical Skills
• Languages and Frameworks: Node.js, Express, TypeScript, JavaScript, PHP, React
• Databases: MySQL, PostgreSQL, Redis, MongoDB, SQL Server, Oracle
• Tools and Methodologies: Git, Docker, Kubernetes, Jest, Supertest, Postman, SCRUM,
CI/CD
• Cloud and Observability: AWS (EC2, S3), Google Cloud (Compute Engine, Logging),
FluentD, Elasticsearch, Kibana
6
Languages
• English: C1 (Fluent)
2
