Cleyton Souza Martins

Allocated to CallTower's Connect platform development team, focusing on backend solutions for telecommunications services and quote management systems using event-driven architecture.

• Quote Template System Development - Architected and developed a complete quote template feature that enables reusable product configurations for Sales Ops, reducing quote creation time by eliminating repetitive data entry for identical products and items. Implemented using Java Streams for optimal performance, based on quantitative analysis.
• Quote Tool Development - Contributing to the ongoing development of CallTower's Quote Tool, enhancing the quoting process for telecommunications services.
• Salesforce Integration - Developed custom Salesforce features to seamlessly integrate KYC (Know Your Customer) data from the Connect platform, improving data flow and compliance processes.
• Performance Optimization - Consistently delivered bug fixes and performance enhancements, leveraging Java Streams and clean code practices to improve system efficiency and maintainability.

• Designed and implemented contract layers across services, helpers, mappers, and controllers, achieving improved code modularity and 40% faster feature development through adherence to SOLID principles.
• Enhanced API security by integrating Spring Security with two-factor authentication, and restructured JWT tokens, eliminating unauthorized access incidents, and strengthening protection across all private routes.
• Built automated CI/CD pipelines with Jenkins that accelerated team delivery speed by 85% and reduced manual deployment time from hours to minutes, enabling focus on high-value development tasks.
• Collaborated with stakeholders and end users to identify critical workflow requirements, translating business needs into technical specifications that drove successful feature adoption.

• Led a team of developers in executing unit tests using JUnit 4, achieving 100% test coverage in our sector, with over 100 tests. This effort increased product robustness and reinforced code quality practices within the team.
• Integrated marketplaces through APIs and workers, demonstrating expertise in microservices architecture.