Gustavo – Python, React, AWS

The project involved working with a leading global platform that enables individuals and businesses to buy, sell, and use cryptocurrencies, including Bitcoin, Ethereum, and numerous other digital assets. The platform serves as a central gateway to the evolving world of digital finance and the decentralized web (Web3).

• Developed and maintained low-latency, high-availability trading systems to support real-time cryptocurrency transactions;
• Built and optimized full-stack features across backend and frontend components, ensuring seamless user experience and robust performance;
• Designed and implemented scalable microservices to handle large volumes of trading data efficiently;
• Collaborated with cross-functional teams to integrate real-time market data feeds and trading APIs.

The project focused on a leading Brazilian proptech company transforming the real estate market. It leveraged technology, commercial, and financial solutions to simplify and secure the processes of buying, selling, and renting properties across the country.

• Designed applications to identify high-potential opportunities within the iBuyer apartment portfolio;
• Developed a web application to prioritize apartment deals for the operations team, improving decision-making speed and accuracy;
• Implemented new website features to increase customer awareness and engagement with innovative real estate products;
• Contributed to building a centralized data lake platform, integrating multiple company data sources for streamlined access and analytics.

The project focused on a cybersecurity and identity platform that provides next-generation identity signals to prevent fraud and enable seamless authentication. The core system combined location intelligence, device intelligence, and application security to accurately identify users behind devices, achieving extremely high precision and going beyond traditional device-only metrics.

• Built microservices to efficiently process and manage mobile location data for personalized push notifications;
• Assisted in creating a web platform that allowed clients to design and launch customized marketing campaigns;
• Implemented pseudo-anonymization workflows to maintain compliance with LGPD privacy regulations;
• Leveraged Golang, JavaScript, React, and AWS to optimize application performance and scalability.

The project focused on a leading cybersecurity firm in Brazil, offering a comprehensive range of consulting, managed security services, and threat intelligence solutions to protect enterprise data and digital infrastructure. The company served clients across Brazil, LATAM, and Europe, emphasizing a proactive, intelligence-driven approach to risk management and mitigation.

• Engineered applications for real-time monitoring and reporting of potential security threats from SOC log streams;
• Consolidated data from multiple SIEM platforms into a standardized schema to enable more effective analysis;
• Built a web interface to help SOC analysts assess and prioritize critical incidents efficiently;
• Applied Python, Golang, React, and PostgreSQL to develop scalable and reliable cybersecurity solutions.