Geraldo Oliveira Vilela

Senior Full Stack Developer

Marlabs Inc

Feb 2025 - Current (1 year 4 months)

Development of Compliance Management System (CSM) platform for CyberSheath client, migrating business rules from Excel spreadsheets to a web system built with ReactJS and .NET 8 backend. Backend implementation using microservices architecture with Azure deployment, incorporating Azure AD, Azure App Service, and Azure Key Vault. Frontend development utilizing ReactJS, Vite, React-Query, TanStack, and Material UI.

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Full Stack Developer

Parafuzo.com

Oct 2023 - Feb 2025 (1 year 5 months)

As a Full Stack Developer, I was responsible for maintaining legacy systems in Ruby on Rails while developing new features for the sales portal using ReactJS and NestJS, ensuring a seamless single-page application experience. I implemented microservices with Node.js and Ruby on Rails to enhance system functionality and performance. Additionally, I utilized Azure DevOps for continuous integration and deployment processes, streamlining our development workflow. My experience with containerization involved working with Docker and Kubernetes for deploying Google functions, and I leveraged GCP Pub/Sub for efficient queuing, which contributed to the overall scalability and reliability of our applications.

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Senior Software Developer

Serget

May 2023 - Sep 2024 (1 year 5 months)

Modernized legacy .NET Framework systems to .NET Core with AngularJS, enhancing performance and maintainability. Developed microservices and messaging systems to improve system scalability and reliability. Additionally, utilized Microsoft SQL Server to refactor and normalize numerous procedures and triggers within the database, ensuring optimal data management and integrity throughout the application.

Mid-Level Systems Analyst

Valid S.A.

Feb 2023 - May 2025 (2 years 4 months)

As a Mid-Level Systems Analyst, I developed a user-friendly portal utilizing ReactJS, which included comprehensive management dashboards to enhance operational efficiency. I integrated .NET Core APIs to ensure seamless data flow and functionality. Additionally, I implemented automation testing tools to maintain high code quality, as the CI/CD pipeline utilized SonarQube, requiring all new code to achieve a minimum of 80% coverage, thereby ensuring robust and reliable software delivery. Furthermore, I leveraged TypeScript to build applications for data viewing dashboards, which provided insights into factory operations and daily production metrics. The data was gathered through REST APIs and sent to Google Cloud Platform (GCP) for storage an

Software Engineer

Take Blip

May 2021 - Feb 2022 (10 months)

Developed REST/SOAP integrations and automated chatbots using C#/.NET and Node.js.

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Junior Systems Developer

Botmoney

Dec 2020 - May 2025 (4 years 6 months)

As a Junior Systems Developer, I played a key role in the development of version 2.0 of a BTC/USDC trading platform utilizing ReactJS and Node.js. I successfully migrated a legacy system to .NET Core 5.0, ensuring improved performance and maintainability. Additionally, I contributed to projects that employed TypeScript alongside React, enhancing the robustness and scalability of our applications.

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Backend Developer

Autobem Brasil

Oct 2020 - Dec 2020 (3 months)

Built microservices using C#/.NET Core, RabbitMQ, and MongoDB, ensuring robust backend functionality and seamless integration with various services. Additionally, collaborated with frontend developers, who utilized Angular.js for the user interface, to ensure cohesive application performance and user experience.

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Junior Programmer Analyst

Exclaim Tecnologia

Jul 2020 - Oct 2020 (4 months)

Developed modules for web system in PHP (Laravel) and .NET, VueJS, and DDD

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Junior IT Analyst

Corpal Incorporadora

Mar 2017 - Mar 2020 (3 years 1 month)

Developed SQL reports and dashboards (Crystal Reports/PowerBI). Administered ERP systems (MEGA/TOTVS). Provided user support, hardware maintenance, and network monitoring.

Geraldo Oliveira Vilela

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