Fabiano Alves de Souza

Senior Software Engineer

Zinnia

Oct 2025 - Current (5 months)

Design and maintain foundational C++ core libraries to ensure high performance, code reusability, and optimized memory management. Develop high-performance Insurtech APIs using JSON for data exchange across global client integrations. Manage the full testing lifecycle, performing rigorous Unit and System/API testing to ensure high data integrity. Context: Zinnia is a leading life and annuity insurance technology (Insurtech) company based in the USA. As a Senior Engineer in the Miami-based team, I develop foundational backend components and APIs that power high-volume insurance management systems, ensuring production-grade reliability and performance.

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Technical Code Reviewer

Revelo (On-demand Freelance)

Jul 2025 - Dec 2025 (6 months)

Evaluated problem-solving code from other developers, ensuring logical correctness, performance, and adherence to best practices. Rigorously assessed unit test coverage, ensuring code submissions met high-quality standards (approaching 100% coverage). Developed custom unit tests to validate edge cases and stress-test solutions for robustness. Authored comprehensive feedback reports documenting code logic, performance metrics, and reasoning-key skills for high-level technical vetting. Context: Revelo is a leading technology talent platform that connects top-tier developers with global companies. As a Technical Code Reviewer, I was responsible for the high-level vetting of software engineers, performing deep-dive analysis of complex code subm

Senior Software Engineer

Wabtec

Oct 2024 - Oct 2025 (1 year 1 month)

As a Senior Software Engineer at Wabtec, I resolved complex sustaining engineering tickets for locomotive dispatching systems using C++, Java Swing, and SQL. I improved system stability and resolution quality by 5% through the implementation of advanced unit testing suites. In this role, I collaborated with cross-functional teams to enhance system efficiency and performance, impacting thousands of daily users and supporting strategic company objectives. Additionally, I utilized my troubleshooting skills to address issues reported in Jira, ensuring timely resolutions for customer-related problems, which further strengthened our commitment to customer support and satisfaction. My experience in technical support has also equipped me with the a

Senior Software Engineer

Netcracker

Mar 2022 - Oct 2024 (2 years 8 months)

As a Senior Software Engineer at Netcracker, I implemented Telecom solutions for clients such as O2 UK, Vodafone Hungary, and GTD Chile using C++, PL/SQL, SQL, Java, SOAP, XML, and Scrum. I customized and enhanced billing features, increasing customer satisfaction by 15% through tailored functionality and improved system responsiveness. Additionally, I enhanced software performance by 15% by optimizing SQL queries, resulting in faster data retrieval and processing. In this role, I collaborated with cross-functional teams to evolve legacy systems without full rewrites, aligning them with modern telecom business needs and improving scalability and maintainability. I also utilized my troubleshooting skills to resolve telecom issues reported in

Blue Yonder WMS Engineer

SOFTTEK

Sep 2020 - Mar 2022 (1 year 7 months)

As a Blue Yonder WMS Engineer at Softtek, a global consulting firm focused on digital solutions, I played a pivotal role in enhancing efficiency and trackability by 50% through the customization of Blue Yonder WMS and TMS. I improved logistics accuracy by 30% by developing reliable logistics reports and supported the deployment and maintenance of WMS solutions on Azure Virtual Machines, ensuring high uptime and system reliability for key logistics clients. Within a team of over 10 engineers, we successfully implemented a major logistics solution for a key client, significantly enhancing their operational efficiency and competitiveness in the market. Additionally, while my primary focus was on logistics management and API integration, I also

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Senior WMS Engineer

VIASTORE

Jun 2014 - Sep 2020 (6 years 4 months)

As a Senior WMS Engineer, I implemented logistics solutions for clients such as Caterpillar and Electrolux using C++ and SQL, leveraging IIS (Internet Information Services) to host high-performance backend processes. I customized WMS software and managed deployments to Azure Virtual Machines, ensuring high availability and scalability for complex warehouse operations. Enhanced software performance by 15% through SQL query optimization and IIS application pool tuning, resulting in faster data retrieval and real-time processing. Additionally, I mentored a junior engineer, fostering skill development and promoting stronger team collaboration. My role also involved acting as a WMS consultant, where I utilized project management software to stre

Software Engineer | Sprint Telecom Project

IBM

Sep 2012 - Jun 2014 (1 year 10 months)

As a Software Engineer on the Sprint Telecom Project, I achieved a 40% reduction in production tickets by developing a modern Java API architecture utilizing Core Java, SQL, Apache Camel, and JBoss application server. I replaced legacy C components with modern Java-based APIs, ensuring seamless interoperability and supporting the system modernization from C to Java. Additionally, I decreased QA tickets by 30% through the creation of an innovative API testing tool that resolved message format errors. Context: IBM, a global leader in technology and consulting, tasked me with designing and developing API components pivotal to modernizing Sprint Telecom's architecture while ensuring smooth system modernization and system stability. Furthermore,

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Junior Software Engineer

Coopus

Mar 2008 - Sep 2012 (4 years 7 months)

As a Junior Software Engineer at Coopus, I played a pivotal role in enhancing healthcare technology solutions, supporting the company's mission to improve service reliability and expand market reach through innovative software engineering. I successfully reduced application errors by 20% through the implementation of JUnit-based unit testing, which significantly improved overall system reliability. Additionally, I enhanced application performance by 15% by optimizing Oracle SQL queries, resulting in faster data retrieval and processing. My contributions spanned both front-end and back-end development, where I collaborated with cross-functional teams to meet business and technical requirements. I also architected the integration of IIS 7.0 a

Fabiano Alves de Souza

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