Juani Sabbatini

Senior Software Engineer with 5+ years of experience in distributed architectures and high-availability microservices. Expert in system optimization, and scalability. Technical mentor with increasing ownership of architectural decisions and cross-team technical leadership.

Software Engineer - IBM

(2022-11)

• Built Node.js (Ts.ed) microservices processing millions of conversations in real time with high availability and low latency.
• Optimized PostgreSQL queries, achieving a 40% reduction in response times for critical production processes.
• Developed frontends (Vue, Angular, React) and implemented Jest + SonarQube quality pipeline, reaching 95%+ coverage.
• Took ownership of architectural decisions and engineering standards, acting as senior reference for the team.
• Collaborated with the cloud team on GCP-based solutions (Docker + Kubernetes), contributing to deployment design and release pipelines and observability strategy with Grafana, Prometheus, and GCP Cloud Logging.
• Developed AI-powered features using Python (FastAPI), LLMs, pgvector and Pinecone for vector search, and AWS (Lambda + S3) for serverless pipelines.
• Contributed to CI/CD improvements and supported junior developers through code reviews.

Junior Fullstack Developer - DVS 360

(2021-06 - 2022-11)

End-to-end development from scratch to production of one of the most important property buying, selling, and rental portals in Buenos Aires: cabaprop.com.ar.

• Frontend implementation with React + Redux, ensuring a smooth and scalable user experience.
• Backend development with Node.js, NestJS, and MongoDB/MySQL, designing REST endpoints, JWT authentication management, and complete business logic.
• Design and execution of unit and integration tests with Jest, ensuring system quality and reliability.
• Continuous maintenance, bug fixing, and deployment of new features to production.

Diploma - Artificial Intelligence - UTN / Instituto Data Science (2025-01)

Bootcamp - Web Development - Coderhouse (2020-01 - 2021-01)