Skip to content
Gustavo PossebonSenior Software Engineer
Experience

Full timeline and technical context

This page expands the resume into a hiring-friendly view of the environments, responsibilities, and engineering systems I have worked on across healthcare, fintech, communications, logistics, and AI-enabled products.

GFT TechnologiesJan 2026 - CurrentRemote

Senior Software Engineer

Engineering on SulAmerica Seguros' customer communications management platform for a national-scale customer base.

  • Maintaining a distributed architecture with more than 20 microservices for enterprise communication workflows.
  • Building batch processing pipelines with Spring Batch for large CSV datasets and scheduled jobs.
  • Integrating with external providers including Valid, Quadient, and Sensedia.
  • Working across Kubernetes and Google Cloud Platform services such as Pub/Sub, Cloud Storage, Cloud Scheduler, and GKE.
JavaSpring BootSpring BatchKubernetesGCPMicroservices
Senior SistemasAug 2024 - Oct 2025Remote

Senior Software Engineer

Built identity, access, and data-filtering capabilities in the architecture team for a multi-product enterprise platform.

  • Implemented SAML, LDAP, and Keycloak-based authentication across 50+ applications.
  • Delivered the Abrangencia domain filter feature with Redis caching and production-ready test coverage.
  • Reduced average response times by 60% and improved throughput for high-volume filtering operations.
  • Supported monitoring and operational excellence with RabbitMQ, Kong, Grafana, Kibana, and Terraform.
JavaKeycloakRedisRabbitMQTerraformGrafana
ZenviaJan 2022 - Aug 2024Remote

Full Stack Engineer

Worked on conversational platforms and WhatsApp integrations serving large automation and support operations.

  • Managed automated chatbot flows handling more than one million monthly interactions.
  • Built WhatsApp-based 2FA that reduced fraud and unauthorized access attempts by over 70% in the first six months.
  • Improved average response time from 4 seconds to 1.2 seconds while maintaining 99.95% availability.
  • Introduced OpenAI-powered automation and AI-assisted history retrieval to improve setup speed and support resolution.
JavaScriptTypeScriptNode.jsOpenAIWhatsAppAutomation
Mouts TINov 2020 - Dec 2021Remote

Full Stack Engineer

Delivered software improvements for healthcare and enterprise clients, with a focus on performance and usability.

  • Implemented Java and Angular enhancements for Philips Healthcare based on international client requirements.
  • Supported a healthcare EMR environment with 99.98% uptime expectations.
  • Built an API and micro frontend solution for Ambev's FAQ workflows.
  • Optimized PL/SQL queries down to roughly 400ms through indexing and query restructuring.
JavaAngularPL/SQLAPIsMicro frontends
DBC CompanySep 2019 - Jan 2020Porto Alegre, Brazil

Software Developer

Contributed to self-checkout software and operational APIs for retail environments.

  • Automated sales processes in self-service checkout flows, contributing to at least a 20% revenue increase.
  • Built a remote management API for self-service checkout systems.
JavaAPIsRetail Systems
DBC CompanyJul 2019 - Sep 2019Porto Alegre, Brazil

Internship Program

Completed an intensive full stack training program and transitioned into project delivery after graduation.

  • Finished 480 hours of intensive technical and soft-skills training over three months.
  • Delivered a full stack graduation project and earned placement onto real client work.
Full StackTeamworkDelivery
Stack

Technical range used in production

These groups reflect where I have spent the most time delivering, optimizing, and supporting real systems.

Backend and architecture

The systems side of my work is where I create the most leverage.

JavaSpring BootNode.jsMicroservicesDistributed systemsREST APIsEvent-driven architectureSpring BatchRabbitMQKeycloak

Frontend and product delivery

I ship across the stack when the product needs end-to-end ownership.

JavaScriptTypeScriptReactReact NativeAngularHTML5CSS3JestCucumberUser-facing workflow design

Cloud, data, and operations

I work best in environments where observability and scale matter.

AWSGCPKubernetesDockerTerraformMongoDBPostgreSQLGrafanaKibanaCI/CD
Next step

Want the strongest examples behind this timeline?

The case studies pull the most recruiter-relevant outcomes out of the resume and frame them as engineering stories with context, constraints, and measurable impact.

Explore case studiesDownload resume