ANTONIO JÚNIOR

Worked on banking and digital channel solutions with Java and Spring Boot microservices. Delivered REST APIs for credit line journeys including simulation, analysis, contracting, integrations with internal banking systems, and customer decision support. Developed and maintained credit simulators and implemented business rules for eligibility, proposals, and simulations. Supported technical design/architecture decisions and service modeling, and helped ensure scalability and maintainability of distributed systems. Performed troubleshooting of integrations and critical business flows with cross-functional teams (business, architecture, security, QA, DevOps, infrastructure). Used Jira/Confluence for organization, documentation, dependencies, and governance in a regulated environment, supporting ITSM incident/request/change management. Also contributed to React/.NET/AEM digital channel evolution, accessibility and GTM/analytics configurations. Supported deployments and operations via OpenS

Sr. Software Engineer - Specialist Java at FCamara - DASA

Played a vital role as a key member of a dynamic team responsible for implementing and deploying microservices.

Sr. Software Engineer at Konk Consulting

Initially hired as a Java specialist but supported projects using alternative/proprietary technology due to project availability. Resolved a performance issue in a Node.js/TypeScript application via root-cause analysis and optimizations. Integrated Prisma into the Node.js ecosystem to streamline the data access layer and improve maintainability and database operations. Worked with Scrum methodology and collaborated with the team to deliver milestones.

Sr. Software Engineer at Konk Consulting - ADP | EPI USE - Elephant Group

Developed scalable solutions in Python, resolving performance issues in an application.

Sr. Software Engineer (Golang developer) at Moongy KCSiT (Worten - Sonae group)

Developed system integrations using REST APIs and Kafka messaging. Worked with Go, Kafka, Terraform, AWS, Elasticsearch, PostgreSQL, and MongoDB to enable communication across components. Expanded expertise beyond Java to deliver integration solutions in a new technology context.

Sr. Software Engineer at KCSiT - SONAE

Served as a Golan developer for the SONAE group company.

Sr. Software Engineer at Boter Dev (insurance company, Belgium)

Senior developer role focused on integration and development of extensive applications, including legacy systems (Cobol and VB6). Used Java 1.4/7/8/11, Docker, Liferay, Apache Camel, and multiple databases (SQL Server, MySQL, MariaDB, MongoDB). Worked with DevOps tools such as Jenkins, Git, Maven, and Gradle in a multinational environment.

Sr. Software Engineer at Boter Dev - Bélgica

Worked with various technologies integrating systems across multiple domains.

Sr. Software Engineer at Tempest Security Intellence

Developed tools for an ethical-hacking/security team using Python and Go. Used Docker/Docker Compose for deployment workflows and MongoDB for scalable storage. Focused on building and strengthening security solutions and improving the security posture against threats.

Sr. Software Engineer at Tempest Security Intellence

Involved in developing cutting-edge tools for hacking team operations.

Sr. Software Engineer / Tech Lead at Pitang

Returned to Pitang to lead a team within a public organization responsible for overseeing the State's accounts. Served as technical leader, Scrum Master, and senior developer. Built a highly configurable BPM/BPMN tool enabling process flow and attachment of relevant documents, delivering cross-functional collaboration and leadership.

Sr. Software Engineer at Pitang Consultoria S/A

Engaged in the development of software solutions for financial services.

Sr. Software Engineer / Tech Lead (Scrum Master) at Accenture Brasil

Technical leader and Scrum Master for a squad of 9 (front-end and full-stack developers). Revamped an application under a four-month timeline: salvaged the existing database while rewriting the codebase end-to-end. Implemented comprehensive automated tests for front-end (Karma/Jasmine) and back-end (JUnit/Cucumber) and used Selenium. Delivered projects for financial institutions (e.g., Santander, Itaú, Bradesco, Porto Seguro, BV Financeira) and frequently traveled as a troubleshooter to resolve client issues.

Sr. Software Engineer / Tech Lead at Banco Central do Brasil

Worked on complex systems in a regulated government environment. Developed and supported an internal investment indicators application, leading a team of 5 developers and 2 testers. Gained experience with containerization/virtualization using Docker, Docker Compose, and Swarm. Led integration work for access and permission systems using SAMBA/AD to enable SSO. Migrated a payroll system from COBOL to Java using Spring Batch for parallel processing to handle salary calculations, discounts, additions, and bonuses.

Sr. Software Engineer / Tech Lead at Cers Cursos Online

Led development of online course portals for video stream publishing. Encountered cloud computing and worked with AWS and Akamai storage/CDN solutions. Developed three-course portals and led three teams (developers, designers, QA/testing specialist). Contributed to implementation using JavaScript and delivered multi-role leadership and execution.

Sr. Software Engineer at LINX

Developed retail/department-store systems using C#.NET/Java back-end and Flex/PrimeFaces/JSF front-end technologies. Worked with SQL Server/Oracle and Dev tooling (Visual Studio/Eclipse). Focused on building and delivering solutions for retail clients.

Sr. Software Engineer at MV Sistemas

Contributed to strategic decision-making tools for the healthcare sector. Migrated a Java 1.4 portal to Java 6 and redesigned UI elements (KPI/BSC and indicator panels). Later developed a portal for doctors location/access and printing billing copy using Adobe Flex and Java with Cairngorm MVC, guiding junior developers on MVC in the presentation layer.

Sr. Software Engineer / Scrum Master at Pitang

Built solutions for the financial sector, pension funds, insurance, and media providers. Worked on vehicle tracking and route optimization using early Google Maps framework. Applied Scrum methodology, including training and acting as Scrum Master alongside development responsibilities. Used agile collaboration and delivered with C++/C#/.NET and web technologies.

Software Engineer at Login Lógica

Worked in a software factory delivering customized solutions across segments. Developed a virtual magazine layout/paging component in ActionScript to provide zooming and markup features and achieve optimized rendering performance. Contributed to back-end (C/C#/VB.NET/Java) and front-end (HTML/JavaScript/CSS/DOM) work and used tooling such as SQL Server and Eclipse/Visual Studio.