Resume

Experience

1. Senior Site Reliability & Platform Engineer · Toptal

   Aug 2025 — Sep 2026

   Londrina, Brazil · Remote, Contractor

   • Refactored an internal Python/Flask GitOps platform with Kustomize and GitHub webhooks, cutting aggregate GitHub Actions execution time by approximately one hour per day and enabling granular image updates in multi-container deployments.
   • Hardened the platform with repository-level authorization, automatic GitHub OAuth, HMAC-signed webhooks, Firestore caching and ETag-based conditional requests, reducing UI load time to approximately 350 ms.
   • Reduced Google Cloud Artifact Registry storage costs by approximately 19% with a Python lifecycle process that enforced 365-day retention while protecting pinned in-use images; Datadog monitoring also identified three production deployments running outdated versions.
   • Eliminated approximately 20 minutes of manual validation per development release by implementing automated integration tests for the GitOps platform with Playwright.
   • Restored Renovate automation for custom runners and base images after approximately one month of stalled pull-request creation, enabling service repositories to adopt newer base-image versions.
   • Reduced Docker runner image size by 76% and attack surface by 84% through distroless containers and Docker Hardened Images.
   • Resolved more than 50 Datadog-reported CVEs by rolling out Kubernetes image garbage-collection configuration through Terraform, limiting unused cached images to a maximum age of 24 hours.
   • Co-architected the migration of Kafka infrastructure to Terraform, removing approximately 40% of stale resources, retiring legacy release tooling and automating multi-environment deployments with GitHub Actions.
   • Decoupled application and infrastructure delivery by moving Kubernetes manifests into dedicated GitOps repositories and implementing Argo CD ApplicationSets for environment-based deployments.

2. Independent Consultant · Kawasaki Web Soluções

   Feb 2020 — Present

   Londrina, Brazil · Remote (Global), Self-employed

   • Reduced Kubernetes observability infrastructure costs and resource consumption by 20% by centralizing logs, metrics and distributed traces in a dedicated AWS cluster using Grafana, Loki, Tempo, Mimir and Helm.
   • Global workflow standards: refactored and documented multi-repository GitHub CI/CD workflows as reusable self-service templates, reducing developer friction and supporting async collaboration.
   • Orchestrated the migration of more than five legacy applications from on-premises infrastructure to AWS and GCP, improving availability and data consistency while reducing infrastructure-related incidents by 30%.
   • Deployed sharded Redis clusters on AWS for a real-estate startup, improving website First Contentful Paint (FCP) by 2 seconds.
   • Developed automated integration tests with Postman, Newman and MFA for a fintech startup, accelerating the detection and resolution of microservice defects.
   • Published test metrics to Prometheus over mTLS and built custom Grafana dashboards, giving fintech engineering teams actionable quality signals.
   • Replaced Google Maps with Mapbox in a React.js application for a real-estate startup, reducing geolocation-service costs by approximately 30%.
   • Led technical architecture, DevOps and full-stack engineering for an early-stage startup, scaling and mentoring three distributed remote teams through written specifications, asynchronous workflows and structured Agile delivery.
   • Introduced semantic versioning and automated GitHub Actions release workflows, reducing manual deployment effort by approximately two developer-days per week.
   • Enriched application logs with user metadata and centralized them in AWS Elasticsearch through Filebeat and Logstash, increasing business visibility into website behavior by approximately 50%.

3. Senior DevOps & Site Reliability Engineer · Arista Networks

   Aug 2023 — Aug 2025

   Dublin, Ireland · Remote (Ireland), Contractor

   • Async incident response and DR: engineered zero-touch disaster recovery for the main corporate website with Python and GitHub Actions, cutting execution from hours to under 10 minutes and authoring runbooks for global on-call teams.
   • Resolved recurring website downtime through on-call incident response and postmortem root-cause analysis, implementing VCL-based RSS caching and malicious-IP blocklisting that prevented recurrence during the next similar event.
   • Infrastructure as Code self-service: designed a scalable Docker-based Jenkins cluster that used Terraform and Ansible to provision cloud VMs dynamically, reducing development environment setup to 15 minutes.
   • Security and compliance automation: developed Ansible playbooks and GitHub Actions pipelines for DKIM key renewal across distributed Postfix infrastructure, reducing manual risk and execution time to under 5 minutes.
   • Custom tooling: created a Python plugin for Ansible that dynamically redacted sensitive telemetry payloads, strengthening internal data-privacy controls.
   • Standardized reusable GitHub Actions CI/CD workflows, simplifying pipeline maintenance and deployments across teams.
   • Led the automation team’s Jira delivery process, coordinating priorities, technical discussions and task ownership while contributing to a 20% productivity improvement.
   • Coordinated technical engagements with AWS, HashiCorp and Fastly, aligning internal requirements with vendor support, training and solution adoption.

4. DevOps & Data Engineer · Starops

   Sep 2021 — Aug 2023

   San Diego, USA · Remote (Brazil), Contractor

   • Implemented Keycloak SSO with OIDC for Vue.js and Node.js applications, standardising social and enterprise authentication across products.
   • Migrated 100% of active legacy users to Keycloak through an automated email-based password-reset workflow, completing the identity transition without account loss.
   • Built reusable Terraform modules for AWS and GCP environments designed around HIPAA and GDPR requirements, accelerating new-client infrastructure bootstrap by 20%.
   • Enabled client microservices to reach Kubernetes production in under two weeks by architecting versioned Terraform environments and automating infrastructure delivery with GitHub Actions and semantic versioning.
   • Co-architected an Argo CD GitOps delivery model on Kubernetes, standardizing application release and rollback procedures across stakeholders.
   • Rebuilt a POS data pipeline from MongoDB to BigQuery with Apache Beam and Python, processing 20M+ records five times per day in under 20 minutes.
   • Architected a Koa.js API with Jest unit tests to encrypt proprietary image data before external transmission, protecting sensitive data and meeting compliance requirements.

5. Senior Software Engineer / DevOps Engineer · Dextra (CI&T)

   Aug 2020 — Sep 2021

   Curitiba, Brazil · Remote (Brazil), FTE

   • Accelerated AWS environment provisioning from weeks to days through reusable Terraform infrastructure and automated GitHub and GitLab CI/CD pipelines supporting HIPAA-regulated healthcare workloads.
   • Increased automated test coverage by 45% while developing Node.js API microservices with Mocha and Sinon for international healthcare platforms.
   • Collaborated across three global Agile teams on application architecture, DevOps and backend delivery through pair programming and code reviews.
   • Mentored engineers across international healthcare projects, supporting technical design, implementation and engineering best practices.

6. Software Engineer · DSV — Global Transport and Logistics

   Jul 2018 — Dec 2019

   Horsens, Denmark · On-site (Denmark), FTE

   • Architected a parallel BI pipeline with .NET Core, Parallel LINQ and SQL Server to ingest European logistics data and support route-optimisation decisions.
   • Published an open-source VS Code extension that generates VBA constructors and singleton factories, reaching more than 13,000 Marketplace downloads.
   • Unified backend automations in a central React.js dashboard that enabled operations teams to manage Laravel back-office job queues.
   • Designed robotic process automations with Kofax Kapow and Selenium, enabling freight forwarders to manage workflows directly at the business level.
   • Contributed to an automation program associated with a management-reported 54.7% improvement in process performance and efficiency and 4.8% EBIT growth.

7. Software Engineer · Let’s Comunicação e Desenvolvimento

   Feb 2018 — Jun 2018

   Londrina, Brazil · Hybrid (Brazil), Part-time

   • Delivered front-end, backend and infrastructure work for startup clients using AngularJS, LoopBack, Gulp and Jenkins across DigitalOcean and Linode environments.
   • Improved maintainability through reusable AngularJS and LoopBack component modularization across private repositories.
   • Standardized application delivery by automating deployments with Gulp and Jenkins across DigitalOcean and Linode infrastructure.
   • Collaborated with distributed teams on technical planning, delivery, training and knowledge sharing through Redmine, Slack and remote-first workflows.

8. Co-founder / Full Stack Developer · RAIS Saúde

   Jan 2016 — Jun 2017

   Londrina, Brazil · Hybrid (Brazil), Partner

   • Co-founded a healthcare technology startup and led full-stack application architecture, translating customer requirements and user flows into production software.
   • Developed AngularJS and JavaScript frontend apps with Jasmine tests, converting wireframes and UX requirements into reusable interfaces.
   • Built backend services with Java and Spring MVC and contributed to architecture, code reviews, pair programming and technical documentation.
   • Automated build and deployment workflows with Gulp and Jenkins across IBM Bluemix, AWS and Microsoft Azure.

9. Frontend Engineer · Ligue Site

   Oct 2012 — Jul 2015

   Cornélio Procópio, Brazil · Hybrid (Brazil), Internship

   • Built marketing websites and digital campaigns with HTML, CSS, JavaScript, Facebook Ads and Google Analytics while supporting client acquisition and account service.

Skills

Earlier ventures & awards

• VBA Generators — VS Code Extension

  Built and published an open-source extension that generates VBA constructors, accessors and singleton factories, reaching 13K+ downloads.

  2018
• ELLP Group

  Co-founded a volunteer technology-education group recognised by Mapa Educação in 2015 among Brazil’s 100 leading education projects.

  2014 – 2016

• 1st place — TOTVS Agribusiness Hackathon

  Built an Intel Edison IoT irrigation-monitoring solution that won first place among 28 teams.

  2015

• 1st place — Urban Mobility Hackathon (ECO.TI)

  Built an Arduino UDOO check-in and GPS-tracking system for Londrina's bus network, winning first place.

  2015

• Conte um Conto

  Co-founded a volunteer web platform that helped low-income students in Brazil develop reading and writing skills.

  2017 – 2018
• Arrhythmia ECG Recognition

  Developed an ECG arrhythmia classifier using discrete wavelet transforms and machine learning, achieving 97.9% SVM accuracy.

  2017
• Computer-theme Question Classification (Thesis)

  Developed an NLP classifier for computer-science exam questions, achieving 83% precision with Multinomial Naive Bayes.

  2017

• Rotary Club Recognition

  Recognized as best Computer Engineering student in Cornélio Procópio, Brazil.

  2017