Skip to content
NNSZ Andrew

The PDF resume in this language isn't available yet.

Andrew Souza

Software Engineer · Java | Spring Boot | Backend Systems

Professional summary

Backend developer focused on Java, Spring Boot and software architecture, working on banking systems and orchestrating AI tools such as Devin and Claude Code.

Technical skills

Java & web development
Java, REST, Spring Boot, Spring Web, Spring Data JPA, Spring Security, Spring Cloud, Spring Netflix, Spring Batch
Applied AI & orchestration
Devin, Claude Code, Vibe Coding, Prompt Engineering, AI Tool Orchestration
SQL & NoSQL databases
PostgreSQL, MySQL, Oracle, Microsoft SQL Server, MongoDB, Redis
Messaging
Kafka, RabbitMQ, Redis Pub/Sub
Infrastructure & cloud
AWS, Azure, Docker, Kubernetes, Amazon EKS, Linux, CI/CD, Jenkins, GitHub Actions
AWS services
EC2, ECS, API Gateway, S3, SNS, SQS, Lambda, CloudWatch, DynamoDB, RDS, ECR, WAF, IAM
Architecture & microservices
Microservices Architecture, Design Patterns, Hexagonal Architecture, API Design, System Design, Unit Testing, Observability, Grafana
Version control
Git, GitHub

Professional experience

Mid-level Java Backend Developer — Santander

Full-time · São Paulo, Brazil · Hybrid

2025-08 — Current

I work in Santander’s Anti-Fraud team, developing and evolving microservices responsible for facial biometrics and security mechanisms used in banking authentication and transaction validation.

  • I contribute to fraud prevention and secure operation validation across different customer journeys and channels, supporting customer security and experience.
  • I work on large-scale banking systems requiring high availability, low latency, reliability and resilience under high request volumes.
  • I apply design patterns, hexagonal architecture and unit testing, with Grafana observability and Devin-assisted development.

Java · Spring Boot · Oracle DB · Kubernetes (EKS) · Jenkins · GitHub Actions · Devin · RabbitMQ · Redis · Git · GitHub · AWS · Azure · Design Patterns · Hexagonal Architecture · Unit Testing · Grafana

Software Engineer — IBGL Brasil

Full-time · Brazil · Remote

2024-09 — 2025-08

I worked as a backend developer responsible for APIs and the architecture of new systems.

  • I actively participated in modernizing the main API to version 2 using current technologies.
  • I designed, developed and maintained the new Spring Batch notification module, leading the project through delivery.
  • I delivered new features and current solutions to long-standing company problems.

Java · Spring Boot · Spring Batch · Redis (Cache / Pub/Sub) · MongoDB · PostgreSQL · Docker · Observability · Cloud · Linux

Software Developer · Freelance — Clínica Fisioterapeuta - Nelmara Ribeiro

Paid freelance project

I led the development of a cross-platform system for a healthcare clinic, focused on automation and scalability, as a paid freelance project.

  • I was responsible for the API, client communication, cloud deployment and integration with desktop and mobile applications.

Java · Spring Boot · AWS RDS · AWS EC2 · AWS S3 · Docker · React Native

Education

Systems Analysis and Development — USJT — Universidade São Judas Tadeu (Graduated)

2024-02 — 2026-08

Relevant projects

Clínica Fisioterapeuta - Nelmara Ribeiro — I led the development of a cross-platform system (desktop and mobile) for a healthcare clinic, focused on automation and scalability. I was responsible for the API, client communication, cloud deployment and app integration.

Insta Live Slim — Instagram live simulator with editable information, view counts, comments and more.

Projeto de microserviços de um Banco Digital - Spring Boot — Banking system developed using a microservices-based architecture. The goal is a scalable, resilient infrastructure for account creation, transfers, credit management and payments, alongside security features such as fraud detection.

Contact