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Work Background
Self-Employed Independent Fullstack Software Engineer | Consulting & R&D
Jul. 2024BrazilFocused on delivering independent consulting, R&D, and portfolio projects that emphasize clean architecture, performance, and measurable outcomes. Work spans from building scalable backends and data pipelines to experimenting with AI- and blockchain-powered solutions.
πππ² π‘π’π π‘π₯π’π π‘ππ¬
- Designed and implemented an Accounts & Transactions system using Domain-Driven Design (DDD) and Event-Driven Architecture (EDA), including concurrency handling and readiness for AWS Serverless deployment.
- Built an ETL and analytics pipeline for Brazilian election data (state-level), enabling data-driven insights for reporting and decision-making.
- Developed a Document AI platform that reduced document analysis from days to minutes, leveraging LLMs and automation for real-world workflows.
- Prototyped a blockchain-based game with ERC-721 NFTs and ERC-20 tokens, integrated with OpenSea, exploring mechanics of minting, trading, and decentralized asset management.
- Strengthened portfolio visibility with end-to-end solutions combining Node.js, Python, Vue.js, React, and NestJS with PostgreSQL, Docker, and AWS.
ππππ‘π§π¨π₯π¨π π’ππ¬ ππ§π ππ¨π¨π₯π¬:
Node.js | Python | Vue.js | React | NestJS | PostgreSQL | MongoDB | AWS | Docker | OpenAI | Cloudflare | Solidity | GitHub
DocQFullstack Software Engineer | Tech Lead
Sep. 2022 - Jun. 2024United StatesCentered on enhancing the SaaS platforms and projects for users, teams, and clients. Key contributions included optimizing performance, improving maintainability (reusable components, testing, docs), and leveraging analytical insights to drive feature refinement and streamline workflows.
πππ² π‘π’π π‘π₯π’π π‘ππ¬:
- Contributed to enhancing the companyβs 100% browser-based, platform-independent iPaaS (Python, Vue 3, PostgreSQL) by adding features like a VS Codeβstyle editor, in-app docs, floating menu, structured logging, reusable components, and connectorsβcutting code size and build time by 70% and establishing it as the flagship product.
- Improved the internal admin dashboard managing instance lifecycles via PaaS and Cloudflare APIs, integrated with a notification microservice for real-time monitoring.
- Designed and deployed a notification microservice for platform and backend health alerts across distributed systems.
- Improved the DMS UX by streamlining document access β reducing the number of steps from four to one.
- Created a dashboard for support tickets analysis that provided data-driven insights to refine features, documentation, trainings, improve UX/UI, and cut support tickets by 50%.
- Built a DMS-to-ATS connector, resulting in a strategic partnership for the company.
- Created internal patterns for frontend, backend, and DevOps.
- Added unit and automated tests with Selenium to decrease post-deployment bugs by 40%.
- Established multicloud monitoring, ensuring 100% issue detection and reducing downtime.
- Provided fullstack development and technical leadership, while also stepping into interim executive roles (CTO, CPO, VP of Product Operations) and contributing to FP&A strategy (audits, budgeting, forecasting).
ππππ‘π§π¨π₯π¨π π’ππ¬ ππ§π ππ¨π¨π₯π¬:
Python | Vue.js | PostgreSQL | Digital Ocean | Upcloud | GCP | Cloudflare | Docker | Gitlab | Selenium | Grafana | Netdata | OpenAI.
DocQFullstack Software Engineer | Engineer Supervisor
Sep. 2021 - Sep. 2022United StatesGuided Professional Services, overseeing integration, migration, and customization projects.
πππ² π‘π’π π‘π₯π’π π‘ππ¬:
- Designed and implemented robust data migration pipelines from legacy systems into ATS platforms using Python, with connectors for sources like SharePoint and Google Drive. Included advanced data wrangling, error-tolerant ingestion, deduplication logic, subset-based testing for safer validation, and rerun support for failed batchesβensuring reliable and scalable migration to production.
- Created, maintained, and refactored integration and workflow automation projects using a proprietary iPaaS platform with Python scripting. Use cases included integrations between ATS platforms and third-party services such as DMS, Right to Work (RTW), background screening, job boards, and recruitment systems.
- Standardized internal coding practices across Professional Services projects, increasing maintainability and reducing onboarding time for new engineers.
- Streamlined processes and documentation to improve communication with clients, reducing calls, rework and misunderstandings by over 30%.
- Developed and customized reporting solutions integrated into the Document Management System (DMS) and standalone applications, enabling tailored analytics for both clients and internal teams. Rebuilt the reporting module with optimized SQL queries and modularized UI components, significantly improving performance and extending analytical functionality.
- Led integration, migration, and customization projects using Python, Vue.js, and a proprietary iPaaS platform, in close collaboration with engineering and customer success teams. Delivered multi-system integrations across 10+ countries for a global manufacturing company, including ZendeskβAcumatica ERP sync and ongoing SR data synchronization enhancements.
ππππ‘π§π¨π₯π¨π π’ππ¬ ππ§π ππ¨π¨π₯π¬:
Python | Vue.js | Bash | Node.js | PostgreSQL | Digital Ocean | HTML | iPaas
NAVOMIFullstack Software Engineer | Tech Lead (Latam)
Jul. 2020 - Sep. 2021United StatesServed as fullstack software engineer developer and technical leader for Latin America, focusing on integrations, market research, and product creation, such as a Telegram connector and a voice authentication bot for WhatsApp.
πππ² π‘π’π π‘π₯π’π π‘ππ¬:
- Led the re-architecture and migration of a legacy monolithic application (Node.js + AngularJS + MySQL) into a modern, decoupled architecture with independent frontend and backend services, continuous deployment pipelines, and infrastructure as code (IaC) for scalable cloud-based deployment.
- Built a biometric authentication bot for WhatsApp, serving as an additional security layer for specific applications, which conducted to the company's first product patent application.
- Constructed a custom Node.js connector to integrate Telegram into the world's leading engagement platform, enhancing its communication capabilities.
- Developed a cross-platform reporting application for the market-leading engagement platform using the Vue-based Quasar Framework, fully compatible with Web, Desktop, iOS, and Android via Capacitor, Cordova, and Electron. The solution improved data visualization, streamlined decision-making, and reduced reporting costs by 40% by eliminating third-party license dependencies.
- Authored comprehensive technical and end-user documentation for key products, covering full onboarding workflows, integration steps, and platform-specific behavior to streamline client adoption and reduce support overhead.
- Integrated in-app contextual documentation using dynamic UI elements such as tooltips and inline guides, enhancing user experience and reducing the learning curve for new features within the platform.
- Developed a real-time COVID-19 notification system using React + Node.js + Twilio APIs for SMS and voice alerts, enabling timely dissemination of critical updates to users.
NAVOMIFullstack Software Engineer
Mar. 2018 - Jul. 2020United StatesWorked as fullstack software engineer specializing in system integrations, contributing to major projects for top companies in software, sports betting, and telecommunications. I headed a global team of eight to implement critical security updates and pioneered the company's first Vue.js project, setting the standard for frontend development.
πππ² π‘π’π π‘π₯π’π π‘ππ¬:
- Built a robust Python and Bash integration layer between the engagement platform and a KPI management system, delivering real-time performance metrics to over 200 agents at Australia's largest telecom. The system improved operational visibility and supported data-driven performance management at scale.
- Designed and implemented admin dashboards with role-based access control (RBAC) for multi-tenant applications, enabling secure and flexible permission management across different user levels and organizational configurations.
- Maintained and extended CRM integrations between a market-leading engagement platform and top-tier CRMs (Microsoft Dynamics, Zendesk, Freshdesk, Netsuite, Salesforce, HubSpot), supporting enterprise clientsβincluding the world's largest operating system providerβand ensuring data integrity and real-time synchronization across systems.
- Engineered secure, embeddable frontend modules and a file transfer system within a global engagement platform, using Vue.js micro frontends, a Node.js backend, and AWS S3 for storage. Ensured compliance with web security standards (CORS, sandboxing) and successfully introduced Vue.js as the company's standard frontend framework.
- I created and managed a project to address security gaps identified in a COMSEC report, enhancing security for both the frontend and backend. This initiative met client security requirements, safeguarded the platform and client data, and augmented the security score from 40% to 98%.
Lavanderia ExpressaExecutive VP
Mar. 2011 - Dec. 2019BrazilI worked as a Business Administrator Partner, where I managed IT operations, spearheaded the company's expansion, and led the development of new products.
Key highlights:
- I successfully migrated to a new automated management system, which reduced service time by 60% and decreased cash shortages by 90%.
- Produced a data analysis system for customer clustering and personalization based on purchase history, enabling tailored strategies that amplified average sales by 30% and improved customer retention by over 50%.
- Established a new division of the company, pioneering in the state, focused exclusively on the pet market, which contributed to a 20% increase in revenue in the first year.
- I got a bankrupt service franchise store and placed it among the Top 10 in the country for 10 consecutive months, earning more than capitals like Rio de Janeiro and SΓ£o Paulo.
Lavanderia ExpressaGeneral Manager
Jul. 2007 - Mar. 2011BrazilI worked as IT, finance, marketing and sales manager in two own brand stores and two stores as a franchisee.
Key highlights:
- Implemented a computerized system for managing service orders and financial control, effectively replacing the previous manual system. This transition reduced service time by 30%, enhancing operational efficiency and streamlining processes.
- Implemented a Siemens Logo Power module for automation of outdated washing machines required manual operation, boosted productivity by 70% and cut resource consumption by nearly 50%.
- Set up a new branch of the company to offer pioneering in-home upholstery and carpet cleaning services in the region. This initiative reduced the average customer waiting time from 20 days to just 4 days and boosted revenue by up to 30%.
Gofuture Tecnologia da InformaçãoSoftware Engineer & Founding Member
Jan. 2006 - Dec. 2007BrazilI worked as a software engineer, overseeing the entire software life cycleβfrom requirements gathering, development, and testing to deployment and training. As a founding partner, I also played a key role in company management and sales planning.
Key highlights:
- I developed dynamic, user-friendly website templates using CMS platforms tailored for non-technical users, which amplified customer engagement by 50% and lowered update times by 80%.
FreelancerWeb Developer
Aug. 2005 - Jan. 2006BrazilI worked on the translation of the Open Source Content Management System (CMS) Mambo / Joomla project and customized package for Real Estate.
Key highlights:
- I translated the Real Estate platform and component into Brazilian Portuguese, which allowed the system to go live for over 20 real estate agencies in the city as one of the first web solutions for the service.
Metasig SistemasWeb Developer
Jul. 2005 - Feb. 2006BrazilBuilt custom components for the Mambo/Joomla Content Management System, which were utilized in a pioneering web-based system for real estate agencies.
Key highlights:
- Developed a custom Joomla component featuring both an admin and public interface that automatically resizes images and generates thumbnails upon upload. This innovation reduced the time required for users to update property listings by over 60%, significantly enhancing the efficiency of the listing process for real estate agents.
- Created a proof of concept utilizing AJAX to update view elements asynchronously, significantly enhancing the user experience by enabling seamless data updates without requiring full page reloads. This approach not only reduced page load times by approximately 50%, but also improved efficiency in bandwidth usage by minimizing data transfer.
Universidade de Passo FundoComputer Lab Intern
Jan. 2005 - Jul. 2005BrazilProvided user support, and managed hardware, software, and network systems.
Key highlights:
- Provided user support and coordinated IT for the Dentistry Informatics Lab with nearly 1,000 students. Achieved a 90% reduction in printing errors, saving ink and paper, and ensured 95% uptime for limited resources.
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