Aug 2024 – Dec 2024 · 4 mos · Brazil · Remote

• After months of hard work and dedication, I am now a member of the company's board, specifically involved in the company's technological decisions.

Jan 2024 – Aug 2024 · 7 mos · Brazil · Remote

• The Challenge
• Develop the most advanced sales tools for the Brazilian market. We've created a top-tier platform at a highly competitive price, ensuring the lowest possible cost through diligent planning and optimization.
• My Contributions
• From the initial commit to the first customer, I architected the entire solution to ensure it was extremely cost-effective, fault-tolerant, user-friendly, and enjoyable for developers who took over the project after the foundation I built. This was one of my greatest challenges: analyzing competitors to create something better, cheaper, and faster. I am grateful for the challenge as it significantly enhanced my skills and experience.
• Proposed Stack
• Interface Design Tool: Figma
• Web Framework: Next.js (React / TypeScript) with SSR
• Backend Framework: Hono (TypeScript)
• Utility-first CSS framework: Tailwind CSS
• API: tRPC / REST
• ORM: Drizzle ORM
• Database: PostgreSQL / MongoDB
• Authentication and User Management: Lucia
• Deployment: Vercel (Pre-prod) / AWS (Prod)
• In-memory Storage: Redis
• E2E Testing: Playwright
• Unit Testing: Vitest
• Monorepo: Turborepo
• Code Quality: Trunk (ESLint, Prettier)
• Git Services: GitHub
• Software Workflow: GitHub Actions
• Queue Tool: Bull
• Payment System: Stripe
• Knowledge Base: GitBook
• Documentation Portal: Mintlify
• Project Management: Plane
• Design Docs: C4 model / Structurizr

Aug 2024 – Present · 1 yr 8 mos · Nashville, Tennessee, United States · Remote

• Edgevanta is an AI-driven company helping construction teams bid smarter, faster, and with confidence.
• I play a key role in evolving the platform’s architecture and capabilities, leading initiatives that transform it into a scalable, data-driven solution with real-time insights and seamless integrations.
• Core Responsibilities:
• Design and develop modern, workflow-driven solutions that improve bidding accuracy and team collaboration
• Implement new product features with a strong focus on performance, user experience, and maintainability
• Build and optimize API-first integrations to connect third-party systems and AI components
• Drive architectural decisions, migrations, and process improvements aligned with growth and reliability goals
• Collaboration & Leadership:
• Partner with founders and product leaders to define vision, scope, and deliverables for strategic initiatives
• Mentor developers and foster a culture of engineering excellence across distributed teams
• Contribute to roadmap planning, ensuring alignment between product strategy and technical execution

Jan 2023 – Present · 3 yrs 3 mos

• After establishing Yonical’s foundation, I transitioned into leading end-to-end software initiatives as part of our outsourced engineering division.
• Our mission is to deliver robust, adaptable, and scalable solutions for clients across multiple industries — from startups to enterprise environments.
• Today, Yonical operates as a CPTO-as-a-Service, providing strategy, architecture, and execution through dedicated engineering partnerships.
• We currently support Edgevanta as our main client, building AI-driven systems, integrations, and platform architecture for their next-generation infrastructure.
• Key highlights:
• Lead multi-disciplinary teams to deliver production-ready systems across different stacks
• Design and implement scalable solutions that align business strategy with technology
• Support internal product development alongside client work

Oct 2022 – Jan 2023 · 3 mos

• As the Founder of Yonical, I designed and implemented the structural foundation of the company — from technical infrastructure to internal systems that manage projects, clients, and operational workflows.
• This early phase was about building a scalable base that could support both our in-house products and future partnerships, focusing on reliability, process automation, and engineering excellence.
• Key focus areas:
• Built Yonical’s internal management system to handle demand tracking and delivery pipelines
• Defined the initial architecture for multi-product operations
• Established engineering and quality standards to support long-term scalability

Jan 2023 – Jul 2023 · 6 mos · London Area, United Kingdom · Remote

• The Challenge
• Build a payment platform from scratch using PIX (Brazilian Instant Payment). I was involved in all phases of the platform's construction and was responsible for all technological decisions.
• My Contributions
• I built the proposed system design architecture with detailed diagrams and worked closely with other engineers to enhance the reliability and scalability of the infrastructure. I established a monorepo strategy using TypeScript and Golang, allowing for seamless package integration and automatic documentation generation. I developed the MVP based on Next.js and NestJS with Domain-Driven Design in a mini-service architecture. Additionally, I built and managed CI/CD pipelines and played a crucial role in architecting and managing services on AWS with Kubernetes.
• Key Achievements
• Coded the entire infrastructure in Terraform using modules for the cloud provider AWS.
• Configured all Kubernetes services using Helm/Kustomize.
• Documented the entire platform using the ADR concept.
• Guided the team to build secure code with quality.
• Created boilerplates with solutions to specific problems, passing on knowledge to the team.
• Proposed existing open-source solutions to solve problems, reducing the need for in-house construction.
• Improved observability and monitoring of the webapp through OpenTelemetry integration.
• Focused on cost control, always suggesting low-cost solutions.
• Proposed Stack
• Frontend: Next.js
• CSS Framework: Tailwind
• JS Framework: React
• Backend: Nest.js
• ORM: Prisma
• Relational Database: PostgreSQL
• Cloud Provider: AWS
• Container Orchestration: Kubernetes
• API Gateway: Kong
• Pipelines: GitHub Actions
• CDN, WAF, DNS: Cloudflare
• GitOps: ArgoCD
• Metrics: Prometheus
• Error Tracking: Sentry
• Monitoring: Grafana
• APM: SigNoz (OpenTelemetry)
• Security Gate: Teleport
• Git Services: GitHub
• Password Management: Vaultwarden
• IaC: Terraform
• K8s Manifests: Kustomize
• Security: SAST, DAST, SBOM, SLSA, OWASP

Nov 2022 – Jan 2023 · 2 mos

• The Challenge
• Dive deep into advanced security topics, focusing on Binary Exploitation, Chaos Engineering, Cyberattacks, Data Anonymization, DDoS, Defense-in-Depth, Digital Forensics, Disaster Recovery, Due Diligence, Ethical Hacking, GRC, Hacking Techniques, Incident Management, Mission Critical Assets, Password Management, PCI DSS, Penetration Testing, Reverse Engineering, Risk Assessment, Security Controls, Threat Hunting, Threat Intelligence, Threat Modeling, Vulnerability Assessment, Web Exploitation, and Zero Trust Architecture (ZTA).
• My Contributions
• Conducted in-depth research and applied solutions across various security domains. Developed strategies to enhance system security, improve incident response, and ensure compliance with industry standards. Work included threat assessments, vulnerability management, and creating robust security architectures.
• Key Achievements
• Conducted Binary Exploitation analysis and mitigation.
• Implemented Chaos Engineering for system resilience.
• Executed Cyberattack simulations to improve defenses.
• Designed Data Anonymization protocols.
• Developed DDoS defense mechanisms.
• Established Defense-in-Depth strategies.
• Performed Digital Forensics for incident investigation.
• Created Disaster Recovery plans.
• Conducted Due Diligence assessments for compliance.
• Practiced Ethical Hacking to fix vulnerabilities.
• Implemented GRC frameworks.
• Applied Hacking Techniques to test defenses.
• Managed Incident Response teams.
• Secured Mission Critical Assets through risk assessments.
• Managed Password Management systems.
• Ensured PCI DSS compliance.
• Conducted Penetration Tests.
• Applied Reverse Engineering to analyze malware.
• Performed Risk Assessments to prioritize efforts.
• Established Security Controls.
• Engaged in Threat Hunting.
• Developed Threat Intelligence.
• Applied Threat Modeling.
• Conducted Vulnerability Assessments.
• Secured Web applications.
• Implemented Zero Trust Architecture (ZTA).

Feb 2022 – Jul 2022 · 5 mos · Brasília, Federal District

• I dedicated 6 months of my life to study macroeconomics, investments, and the entire financial world in general, especially the technologies that involve this ecosystem.
• As a result, I learned to have a trader's mindset and find good investments. I gained a lot of experience with graphical analysis, fundamental analysis, on-chain analysis, risk and money management.
• I will carry this experience with me for a lifetime.

Oct 2021 – Feb 2022 · 4 mos

• After contributing as an SRE, I transitioned into a leadership position, guiding the team through complex infrastructure projects and driving best practices in scalability, monitoring, and automation.
• Key Responsibilities:
• Led the migration and modernization of Arco’s cloud infrastructure, enabling higher reliability and cost efficiency
• Mentored and supported SREs and developers, fostering a culture of observability and operational ownership
• Defined technical strategies for CI/CD, monitoring, and DevSecOps, standardizing tooling across multiple teams
• Collaborated cross-functionally with engineering, security, and product teams to align reliability goals with business priorities
• Key Achievements:
• Delivered a highly resilient multi-cluster Kubernetes setup with automated scaling and recovery
• Established a standardized Continuous Delivery pipeline adopted by multiple engineering teams
• Reduced incident response time and improved SLA adherence through proactive monitoring and automation initiatives

Jun 2021 – Oct 2021 · 4 mos

• Arco Educação is the largest education platform in Latin America, serving millions of students and educators across the region.
• As an SRE, I played a key role in strengthening Arco’s cloud infrastructure and DevOps ecosystem, ensuring performance, scalability, and operational excellence across distributed environments.
• Key Contributions:
• Designed, implemented, and maintained CI/CD pipelines using GitHub Actions, ArgoCD, and Helm for production-grade deployments
• Managed Kubernetes clusters with multi-tenant configurations, ensuring industry-standard uptime SLAs
• Built and maintained observability pipelines using Prometheus, Grafana, Alertmanager, and New Relic
• Implemented authentication and access control systems leveraging Keycloak as IdP
• Worked closely with development teams to improve reliability, automate infrastructure, and accelerate release cycles

Jun 2020 – Jul 2021 · 1 yr 1 mo · On-site

• The Challenge
• Implement a comprehensive MLOps pipeline using state-of-the-art machine learning frameworks and tools. Focus areas included model training, deployment, monitoring, and optimization.
• My Contributions
• Developed and managed the MLOps pipeline, ensuring efficient model training, deployment, and monitoring. Collaborated with data scientists and engineers to streamline the workflow and improve model performance.
• Key Achievements
• Built and automated the entire MLOps pipeline.
• Integrated PyTorch, TensorFlow, and Scikit-learn for diverse model requirements.
• Deployed models using Docker and Kubernetes for scalable solutions.
• Implemented CI/CD for continuous model integration and deployment.
• Established monitoring and logging using Prometheus and Grafana.
• Enhanced model performance with hyperparameter tuning and optimization.
• Ensured reproducibility with version control for data, models, and code using DVC.
• Applied data preprocessing and feature engineering for optimal model training.
• Proposed Stack
• Model Training: PyTorch, TensorFlow, Scikit-learn
• Containerization: Docker
• Orchestration: Kubernetes
• CI/CD: Jenkins
• Monitoring: Prometheus, Grafana
• Version Control: Git, DVC
• Data Processing: Pandas, NumPy
• Hyperparameter Tuning: Optuna
• Deployment: Flask, FastAPI
• Logging: ELK Stack

Jul 2019 – Jun 2020 · 11 mos · On-site

• Banco do Brasil is the second largest bank in Latin America.
• I work continuously building infrastructure services on on-premises Kubernetes cluster of Banco do Brasil. Services that assist teams like Big Data (DataOps), Cluster Computing (Apache Spark), Data Format (Parquet, Avro), Quarkus (Java), Analytics, Data Processing and Machine Learning Models (MLOps). I have constant contact with pipeline using GitLab, Jenkins (CI), SonarQube, ArgoCD (CD), Helm Chart (ChartMuseum / Monocular), Artifactory and Rancher. Provisioning with Ansible and Terraform. Monitoring with Alertmanager, Prometheus and Grafana.
• Key Qualifications & Responsibilities
• Act practically in the various internal challenges of Banco do Brasil;
• Provide technical support to different teams with different technologies;
• Provide support for internal private bare-metal infrastructure;
• Contribute to the development of new features and improvements to infrastructure;
• Build and maintain MLOps pipelines.
• Key Achievements
• I made the Matomo Analytics tool performative enough for Banco do Brasil's needs;
• I've worked with hundreds of codebases spanning multiple programming languages and different product teams;
• I set up CI/CD as code for development teams, making release pipelines faster and more maintainable;
• I ran performance tests to ensure the site's resilience to millions of daily visits;
• I created shift-left performance testing with automated environment setup and test run.

Jul 2018 – Sep 2019 · 1 yr 2 mos · On-site

May 2017 – May 2018 · 1 yr

• I worked directly in the construction of the main platform for legal negotiation. Several aspects of the platform were raised so that it could be built. During a year several goals were achieved reaching the MVP.
• Key Qualifications & Responsibilities
• Developed and maintain the customer facing platform and the internal platform using Ruby on Rails and Ember;
• Participate in agile development processes, including daily stand-ups, sprint planning, and retrospectives, to ensure the team met project goals and deadlines.
• Key Achievements
• I built a SaaS from scratch to run process-based applications on a fully managed, cost-optimized infrastructure;
• I improved the efficiency and effectiveness of the development process with the introduction of Ruby on Rails and Ember, resulting in a more streamlined and enjoyable experience for developers.

Aug 2016 – May 2017 · 9 mos

Aug 2015 – Aug 2016 · 1 yr · Brasília, Brazil · On-site

• Banco do Brasil is the second largest bank in Latin America.
• I worked on the componentization of dozens of web components of the internal banking system. The solution we developed is used by all bank branches in the country. We deal with performance issues, user experience, service availability and hacker attacks.
• We automated all tasks on this project, allowing the entire team to focus on smarter, more cost-effective solutions.
• Key Qualifications & Responsibilities
• Enhance the internal design library by creating reusable Angular components to improve development efficiency;
• Key Achievements
• I implemented dozens of accessibility improvements in the webapp and core components for better usability by all customers;
• I improved web app response time by 40% by implementing a more efficient approach to rendering components using Angular.
• I fixed bugs in several systems, including Banco do Brasil's main platform, as well as third-party services and other internal projects.

Sep 2014 – May 2018 · 3 yrs 8 mos · Remote

• I gave support to different companies so that their products went to production.

Sep 2014 – Aug 2015 · 11 mos · Brasília Area, Brazil · On-site

• The Ministry of Defense is one of the most important ministries in Brazil.
• I collaborated in the construction of the base architecture of internal platforms in the Ministry of Defense. I guided the entire team to develop secure code using standards such as OWASP, ZTA, CIS Controls, among others.
• Key Qualifications & Responsibilities
• Contribute to a team effort to maintain and rewrite 70% of the entire codebase using a custom MVC architecture, resulting in better application performance and scalability;
• Key Achievements
• I implemented new functionality by creating API endpoints using Symfony Framework (PHP).
• I worked on programming new frontend features (graphics and interactions), new web components, internal tools, usability, and algorithmic design.

Sep 2013 – Aug 2014 · 11 mos · Brasília Area, Brazil · On-site

• TERRACAP is the main public agency responsible for urban development and infrastructure in Brasília, the capital of Brazil.
• I led the end-to-end development of TERRACAP’s official web portal — a key communication and service platform that became a national reference for design quality, usability, and technical reliability.
• The portal was widely recognized for its modern user interface, responsive design, and robust architecture, remaining operational and well-regarded for over four years after launch.
• Key Achievements:
• Delivered a fully functional public-facing platform aligned with accessibility and usability standards
• Designed a responsive and intuitive UI that significantly improved citizen interaction and information access
• Developed custom modules within the Joomla! CMS, integrating dynamic content management and external data services
• Implemented frontend solutions using Bootstrap and jQuery, optimizing performance and cross-browser compatibility

Jan 2012 – Sep 2014 · 2 yrs 8 mos · Brasília Area, Brazil

• I founded AtomTech with the goal of delivering high-quality software solutions focused on usability, performance, and long-term value for clients across different industries.
• Starting as a solo developer, I was responsible for building the company’s technical foundation — from architecture and infrastructure to front-end and back-end development. Over time, I expanded the team, leading talented professionals and scaling our delivery capacity.
• Our projects ranged from institutional portals and CMS-based systems to custom automation tools that improved client efficiency and user experience. Every delivery was guided by a commitment to code quality, maintainability, and client satisfaction.
• Key Achievements:
• Founded and scaled AtomTech into a recognized local software development firm serving multiple clients
• Delivered dozens of digital products using WordPress, Drupal, and Joomla, always with strong attention to clean architecture and responsive design
• Developed end-to-end web applications with PHP, improving maintainability and integration capabilities
• Led and mentored a small engineering team focused on delivering reliable, human-centered software

Jan 2012 – Jun 2012 · 5 mos

• I designed, developed, and published one of my first commercial web templates on Envato ThemeForest, which quickly gained visibility and became a top-selling item on the platform.
• The project combined a clean, responsive design with high-quality, well-documented code — delivering both performance and usability.
• Highlights:
• Achieved strong sales and positive community feedback on ThemeForest
• Designed and implemented a fully responsive multipurpose theme focused on user experience and developer customization
• Delivered maintainable, production-ready front-end code using HTML4/5, CSS3, JavaScript, Bootstrap, and jQuery
• City Nightlife Theme on ThemeForest: https://themeforest.net/item/city-nightlife-responsive-multipurpose-theme/4540302

Dec 2009 – Jan 2012 · 2 yrs 1 mo

• Building software involves understanding what the customer needs and understand the best way to do it. I built systems using PHP language, with frameworks like Zend Framework and Symfony.
• Programming Language: PHP and JavaScript.
• Frameworks: Zend Framework 1.x and Symfony 1.x.

Dec 2007 – Nov 2009 · 1 yr 11 mos

• I was related to clients who were looking to improve their clients' web experience, through better interfaces and as natural a communication as possible. There were several challenges and all were overcome with quality, exceeding the expected objective.
• Responsibilities: User Research, Design, Typography, Website wireframe, Prototype, Testing and Implementation.

Nov 2004 – Dec 2007 · 3 yrs 1 mo

• I worked in the construction of layouts for web applications, using Adobe Photoshop in the construction of visual components. I was also responsible for coding these components in HTML, CSS and adding interactions via JavaScript.
• Libraries: jQuery.
• Methodology: Tableless.

Jan 2002 – Dec 2004 · 2 yrs 11 mos · Brasília, Federal District, Brazil · Hybrid

• My career began in the early 2000s, developing and maintaining small business websites using the leading Content Management Systems (CMS) of that era. Most of those platforms no longer exist today, but they provided a solid foundation in software fundamentals and web architecture.
• Key Contributions:
• Designed and implemented websites for small and mid-sized businesses using PHP-based CMS tools
• Customized themes, templates, and plugins to match client branding and usability goals
• Managed hosting environments, domain setups, and basic SEO configurations
• Gained hands-on experience with HTML, CSS, JavaScript, and early versions of PHP and MySQL
• That early stage of my journey taught me how to combine design, usability, and technology — skills that continue to shape how I build products today.