Lucas Ramos

Led development of a gaming platform used 50,000 times, improving performance by reducing session time by 25% while supporting 40% growth. Built RESTful APIs handling 1M+ transactions/month with 99.99% uptime, streamlining game data and user session handling. Integrated third-party APIs for external data retrieval and payment processing, cutting manual operations by 40%. Collaborated with product on feedback loops, delivering improvements of 25% in user satisfaction metrics. Managed deployments with Docker and Kubernetes, achieving 99.9% uptime during peak events and scaling services to support 50K users. Built and maintained a crypto trading platform with average response time under 150ms, and scalable APIs handling up to 1M availability/performance targets.

Implemented secure authentication and payment gateway integrations, reducing failed transactions by 30% and improving user trust. Optimized platform performance, reducing loading times by 40% for key features. Worked remotely with a distributed team across four time zones while maintaining consistent sprint velocity and delivering features on schedule. Built cross-platform mobile apps downloaded 100K+ times, earning 4.8-star ratings on both iOS and Android stores. Expanded the backend with Node.js and MongoDB to support 100K users and process millions of dollars in transactions. Added push notifications and real-time updates, increasing engagement by 20%. Built custom analytics dashboards using Node.js and MongoDB, reducing decision-making time by 40% and enabling real-time KPI visibility across departments.

Optimized AWS deployment pipelines, reducing infrastructure costs by 30% and deployment time from 10 minutes to 3 minutes. Led design and implementation of backend services for a real-time voting system with under 10ms latency, processing over 100,000 votes per minute during peak election hours without data loss or downtime. Secured sensitive voted data using advanced database management and RBAC authorization, passing internal security audits and meeting GDPR compliance standards. Improved a live election dashboard with real-time vote counters and dynamic visualizations, achieving 100% uptime during national election events and supporting 50,000 concurrent users. Integrated third-party reporting and analytics services, cutting manual reporting effort by 50%. Conducted regular code reviews, mentoring more than three junior developers and ensuring adherence to best practices.