Software Engineer

Architecting Global Systems

Driving digital transformation through high-performance distributed systems. Currently leading global rollouts across Brazil, Germany, and the USA, bridging the gap between robust Java backends and premium frontend experiences.

Main Stack:JavaSpring BootNext.jsAWSKubernetes
Walter Manske

Global

Global

Cloud

Native

Full

Cycle

Featured Impact

Engineering solutions that solve real-world business bottlenecks at scale.

Next.jsReactJava 17+Spring BootAWSDocker

Tramitta: Enterprise B2B SaaS

A comprehensive onboarding engine designed to automate vendor registration and sensitive document management for B2B ecosystems.

Key Impact

Architected secure OIDC/OAuth2 flows to ensure zero-trust security and data privacy for corporate partners.

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Case Study
Architectural Map

Core Stack

A pragmatic selection of technologies for building resilient, production-grade applications.

Languages

Java
JavaScript
PHP
SQL

Frameworks

Spring Boot
Next.js
React
Laravel

Cloud & DevOps

AWS
Docker
Kubernetes
Git
Keycloak

Career Path

06/2025 – Present

Software Engineer

WEG

Impact & Results
  • Leading the end-to-end global implementation of Microsoft Dynamics, scaling from an MVP in Africa to full-scale enterprise rollouts in Brazil, Germany, and the USA.
  • Architecting high-availability RESTful APIs using Java 17+ and Spring Boot, ensuring seamless integration for complex global business units.
  • Driving the architectural evolution from monoliths to cloud-native microservices, optimizing for performance and system resilience.
  • Solving critical production bottlenecks (L3 support), maintaining business continuity for high-traffic enterprise platforms.
08/2024 – 06/2025

Software Engineering Intern

WEG

Impact & Results
  • Co-architected a cloud-native migration for a legacy goal-setting system, significantly reducing technical debt and operational costs.
  • Delivered premium user experiences using Next.js and a custom TypeScript design system for internal enterprise tools.
  • Automated high-frequency deployments via CI/CD pipelines and secured global access through centralized Keycloak authentication.
01/2024 – 08/2024

Software Engineer

Rauzee

Impact & Results
  • Engineered scalable backend services using Java and Spring Boot, optimizing database performance for high-concurrency environments.
  • Streamlined deployment cycles using Docker and Kubernetes, ensuring high availability and faster time-to-market.
  • Developed high-performance frontend architectures with Next.js, focusing on performance and SEO.
08/2021 – 01/2024

Software Engineer (Independent Contractor)

Self Employed

Impact & Results
  • Partnered with IT companies to design, develop, and deploy scalable software solutions, e-commerce platforms, and institutional websites.
  • Modernized legacy applications by migrating frontend architecture to Next.js, achieving a 150% increase in performance and load times.
  • Optimized e-commerce platforms and checkout flows, resulting in a 40% increase in processing speed and 20% conversion growth.
  • Engineered full-stack web and mobile applications using Java, Spring Boot, React, and Flutter, orchestrating deployments with Kubernetes.

Academic Foundation

Jan 2024 – Dec 2027

B.S. Software Engineering

Catholic University of Santa Catarina

Mathematics Certificate