Resume

My professional career, experiences, and skills

Leonardo Torres

Tech Lead

Summary

Results-driven Tech Lead with 9+ years of experience delivering enterprise-grade software solutions. Specialized in backend and cloud-native development with expertise in Java, Python, and distributed systems. Currently leading a squad at Getnet (Santander), working across payment platform services and AI-driven initiatives, while holding a postgraduate degree in Solutions Architecture. Proven track record of building critical systems for major companies including Embraer and Fiserv, and implementing cutting-edge micro-frontend architectures.

Contact Information

Technical Skills

Programming Languages & Frameworks

Java, Python, React.js (TypeScript), JavaScript, SQL, Go, Spring Boot, Quarkus, Node.js, Angular, Vue.js

Cloud & DevOps

AWS, GCP, Kubernetes, Docker, Splunk, Apigee, CI/CD, Microservices Architecture

Languages

English (Fluent), Portuguese (Native), Spanish (Advanced)

Professional Experience

Tech Lead

Getnet (Santander) | December 2025 – Present | São Paulo, Brazil

Leading a squad across the payment platform, cloud architecture, and AI initiatives:

  • Lead the technical direction of a squad, owning architecture decisions, code review standards, and delivery roadmap
  • Design and evolve payment platform services handling high-volume transaction flows where correctness and availability are non-negotiable
  • Build backend services with Java (Spring Boot and Quarkus) and Python, orchestrated on Kubernetes across AWS and GCP
  • Deliver operational and internal interfaces with Angular, keeping the front-end aligned with the service architecture behind it
  • Drive AI and data initiatives, integrating AI capabilities to automate processes and turn platform data into decisions
  • Mentor engineers and partner with cross-functional teams to align technical work with business objectives

Technologies: Java, Spring Boot, Quarkus, Python, Angular, Kubernetes, AWS, GCP, Microservices, Payments

Senior Software Engineer

Fiserv | August 2023 – November 2025 | São Paulo, Brazil

Led full-stack development initiatives with focus on cloud-native and AI-driven solutions:

  • Architected and developed enterprise applications using Java, Python, and Spring Boot with Kubernetes orchestration for high availability and scalability
  • Contributed to cutting-edge AI-driven projects, integrating advanced AI technologies to enhance business intelligence and automate critical processes
  • Leveraged AWS and GCP cloud platforms to build resilient, scalable infrastructure supporting millions of transactions
  • Implemented comprehensive monitoring and analytics using Splunk and Apigee, improving system observability and reducing incident response time by 40%
  • Collaborated with cross-functional teams to deliver mission-critical features for global financial services clients

Technologies: Java, Python, Spring Boot, Kubernetes, AWS, GCP, Splunk, Apigee, Docker, Microservices

Senior Software Engineer

Iteris | April 2022 – August 2023 | Remote

Designed and delivered high-impact software solutions for Fiserv as an external consultant:

  • Architected and implemented robust software solutions that streamlined operational processes, resulting in measurable efficiency improvements
  • Developed scalable backend services using Java and Spring Boot with strong emphasis on Clean Code principles and maintainability
  • Designed and optimized SQL database schemas and queries for high-performance data operations
  • Championed Agile methodologies, participating in sprint planning, daily standups, and retrospectives to ensure consistent delivery
  • Collaborated closely with Fiserv stakeholders to align technical solutions with business objectives

Technologies: Java, Spring Boot, SQL, Clean Architecture, Agile/Scrum, REST APIs

Software Engineer

Embraer | December 2018 – March 2022 | São Paulo, Brazil

Developed mission-critical air traffic control software for one of the world's leading aerospace companies:

  • Engineered critical air traffic control software using Java, C#, Spring, and SQL, ensuring safety and reliability for aviation systems
  • Designed and implemented microservices architecture using Spring Boot, improving system modularity and reducing deployment complexity
  • Containerized applications with Docker, enabling consistent deployments across development, staging, and production environments
  • Contributed to the full software development lifecycle, from requirements gathering to production deployment and maintenance
  • Worked in a high-stakes environment where software quality and reliability were paramount

Technologies: Java, C#, Spring, Spring Boot, SQL, Docker, Microservices, Air Traffic Control Systems

Software Development Intern

Calvin Klein | January 2017 – December 2018 | São Paulo, Brazil

Supported development and maintenance of internal business systems:

  • Assisted in the development and maintenance of internal enterprise systems using Java and SQL
  • Identified and resolved production issues, implementing fixes that improved system stability
  • Contributed to process improvement initiatives that enhanced team productivity
  • Gained hands-on experience with enterprise software development practices and version control systems

Technologies: Java, SQL, Enterprise Systems, Version Control

Education

Postgraduate in Solutions Architecture

Pontifical Catholic University | October 2023 – October 2024 | Minas Gerais, Brazil

Advanced specialization in enterprise architecture, cloud solutions, and system design patterns. Focused on designing scalable, resilient architectures for modern business applications.

Bachelor of Science in Information Systems

Mackenzie University | January 2017 – December 2020 | São Paulo, Brazil

Comprehensive foundation in software engineering, algorithms, data structures, database systems, and software architecture. Completed capstone project on micro-frontend architecture.

Featured Projects

Microfrontends Research & Development

Mackenzie University | mackenzie.br

Pioneered a modular dashboard system using cutting-edge micro-frontend architecture to revolutionize development workflows at a major Brazilian university:

  • Designed and implemented a scalable micro-frontend solution enabling independent development and deployment of dashboard modules
  • Reduced development time by 30% through improved modularity and parallel team workflows
  • Enhanced system scalability by decoupling frontend components, allowing for independent scaling and updates
  • Improved user experience for both staff and students by enabling faster feature releases and more stable deployments
  • Integrated multiple frontend frameworks (Vue, React.js, Angular) within a unified architecture
  • Built backend services with Node.js to support the distributed frontend architecture

Technologies: Micro-frontends, Vue.js, React.js, Angular, Node.js, Module Federation, Webpack

Impact: This project demonstrated advanced architectural thinking and the ability to solve complex technical challenges while delivering measurable business value.

Certifications & Continuous Learning

  • Postgraduate Degree in Solutions Architecture (2024)
  • Agile & Scrum Methodologies
  • Clean Code & Software Craftsmanship Practices
  • Cloud Architecture (AWS, GCP)
  • Microservices & Container Orchestration

Professional Highlights

  • 6+ years of professional software engineering experience
  • Enterprise Experience: Delivered solutions for Fortune 500 companies including Fiserv and Embraer
  • Cloud Expertise: Hands-on experience with AWS and GCP cloud platforms
  • AI Integration: Contributing to next-generation AI-driven business solutions
  • Architecture: Specialized training in solutions architecture and system design
  • Multilingual: Fluent communication in English, Portuguese, and Spanish enables global collaboration