Marcus Dantas Email & Phone Number

State Of Bahia, Brazil

Salvador, Bahia, Brazil

• Spearheaded the development and optimization of backend using Java 17, Spring, and Maven, while implementing robust testing frameworks (JUnit, Mockito, Cucumber) to ensure flawless performance and code integrity.• Resolved over 95% of production issues on first analysis, enhancing system stability and reducing downtime by 30% through proactive code reviews and best practice implementations.• Collaborated with cross-functional product teams, leading technical feasibility assessments that enabled the successful delivery of 10+ high-impact features within tight deadlines.• Led technical refinement workshops, converting complex business requirements into actionable technical plans and facilitating accurate sprint estimations using story points.• Took ownership of production deployments, orchestrating seamless releases in low-traffic windows and maintaining internal communication channels to address system bugs/issues promptly and effectively.• Developed and maintained backend features for a global beverage platform used by over 26 countries, ensuring technical analysis for retrocompatibility and seamless integration with partner marketplaces (e.g., Nestlé, Pão de Açúcar, BRF).• Initially contracted by NTT Data to work at AB-InBev, transitioned to a full-time employee after 6 months due to strong performance and alignment with company goals.

Eunápolis, Bahia, Brazil

• Spearheaded the development and optimization of systems at Elo Cartões, utilizing cutting-edge technologies like Java 8, Spring (Boot, Batch, Security, Data), Apache Kafka, Docker, and Oracle PL/SQL, delivering high-performance solutions.• Improved code quality and team productivity by conducting thorough code reviews, ensuring alignment with best practices, design patterns, and industry standards, reducing defects by 20%.• Played a key role in Agile environments (SCRUM/SAFe), actively contributing to sprint planning, backlog refinement, daily stand-ups, and retrospectives, driving continuous improvement and project efficiency.• Led the technical analysis and breakdown of complex stories into actionable tasks, facilitating seamless implementation within sprint timelines, achieving a 90% on-time project delivery rate.• Spearheaded the development of advanced functionalities for ELO’s card financial settlement system, optimizing the end-to-end process from data acquisition from major acquirers (Cielo, Getnet, Stone) to generating precise reports for issuers (Bradesco, Banco do Brasil, Caixa), and managing international transactions with JP Morgan.

Salvador, Bahia, Brazil

• Engineered and optimized web systems using Java 6 with Struts, JSP, JSTL, Ajax, Jasper Reports, and SQL Server, and C# with .NET MVC, .NET Core, Dapper, and SQL Server, leading to a 20% increase in system performance and a 35% reduction in bug reports.• Designed and maintained complex data models in UML, and provided expert technical support, swiftly diagnosing and resolving issues to ensure seamless systems performance.• Delivered exceptional customer support by managing bug fixes and enhancement requests, performing detailed analyses, and implementing solutions efficiently, while maintaining clear communication and securing client approvals.

Salvador, Bahia, Brazil

• Led a technical team in the development of robust web systems utilizing Java frameworks such as Struts, Tiles, and Spring (Web-flow, Security).• Designed and maintained complex data models using UML, ensuring efficient and scalable system architecture.• Integrated technologies like JSP, JSTL, Ajax, EJB, Hibernate, and SQL databases (SQL Server, Oracle) to deliver high-performance web solutions.

Salvador, Bahia, Brazil

• Developed and maintained web systems using Java, Struts, JSP, JSTL, Ajax, and Jasper Reports, optimizing performance and user experience.• Provided technical support and resolved issues in existing applications, ensuring system reliability and smooth operations.

Salvador, Bahia, Brazil

• Developed and maintained the “Virtual Library” platform using Power Builder, JavaScript, and SQL Server, while managing web pages and providing user support for the E-PROINFO platform.

Postgraduate'S Degree, Software Engineering

Bachelor'S Degree, Information System