Heber S.
Back-end and Systems Engineer

Skills

Java

Amazon Aws

Angular

Heber is available for hire

Hire Heber S.

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Bio

Experienced in Java technologies since 2006, with foundational expertise in Java SE and subsequent proficiency in Java EE, working with initial versions leading to modern frameworks. Demonstrates extensive skills in using JSP, JSF, JBOSS application servers, and EJB for backend solutions. Proficient in Spring Framework, NoSQL databases, and various observability tools such as NewRelic, DataDog, and Kibana. Exhibits advanced capabilities in API architecture and management, adhering to best practices for developing RESTful microservices within distributed systems and integrating them with corporate services. Additionally, possesses experience in Message Broker development utilizing Kafka and RabbitMQ.

Knowledgeable in relational databases including Oracle, MySQL, and PostgreSQL, and proficient in SPA Angular development with ongoing learning in React and NodeJS. Has actively collaborated with DevOps teams on Continuous Integration and Delivery (CI/CD) processes, employing tools like Jenkins, GitLab, Docker, and Kubernetes.

Since 2018, serving as a technology leader, focuses on enhancing leadership capabilities by fostering developer growth and improving quality standards through individual feedback sessions. Defines optimal architectures and aligns them with business objectives using agile methodologies such as Scrum and Kanban.

Holds dual bachelor's degrees in Computer Science and Analysis & Development Systems. Actively engages in volunteer work, contributing to educational programs and global sports events, and supporting an NGO that assists over 500 vulnerable families in São Paulo.

Tech Lead
4/1/2023 - 3/1/2024

Supported the Manager in team formation, including hiring, movements, salary decisions, promotions, and dismissals. Facilitated communication and alignment of team initiatives for area leadership and managed conflicts between teams and horizontal alignments with other squads. Acted as the application owner, performing necessary code reviews, troubleshooting in pre-production environments (HML), supporting QA teams, and planning package deliveries utilizing the GitFlow delivery model. Participated in GMUD Committees by creating, defending, and monitoring execution in productive environments. Elaborated and documented improvements in the software development process and managed the development team to ensure delivery in alignment with Product Owners. Conducted bi-weekly one-on-one meetings with team members and managed the squad's outsourced team, overseeing hours and budget control.
Techlead
6/1/2022 - 3/1/2023

Led multidisciplinary teams including DevOps, QA, Developers, and Architects, emphasizing a strong feedback culture and conducting regular 1:1 meetings. Facilitated alignment of goals and prioritization with customer requirements, working closely with API management and application teams to ensure consistency in API architecture. Conducted agile ceremonies such as planning, refinement, and retrospectives within both Kanban and Scrum frameworks. Gained hands-on experience with the Sensedia platform, specifically in API Management and Developer Portal. Developed significant knowledge in API governance to enhance system integrity and performance.
Techlead
6/1/2021 - 8/1/2022

Specialized in fraud prevention by implementing secure protocols and integrating advanced biometric verification through Amazon Rekognition for face matching. Applied extensive knowledge of Kafka for real-time data streaming and built reliable RESTful services to support distributed systems. Leveraged Amazon EKS to manage containerized applications, ensuring high scalability and robust performance. Acted as a critical liaison between product owners and development teams, translating requirements into actionable plans and ensuring smooth communication. Regularly engaged in architecture meetings to design and develop software architectures that meet evolving business needs, with a keen focus on Hexagonal Architecture to maintain clean coding practices. Championed agile methodologies to enhance workflow efficiency and utilized observability tools such as New Relic to monitor and optimize system performance.
Techlead
9/1/2020 - 5/1/2021

Served as an interface between Product Owner (PO) and the team, bridging communication and ensuring alignment of objectives. Engaged in architecture meetings and developed robust software architecture tailored to meet specific demands. Promoted and led ceremonies that facilitated team progress towards goals set by the PO. Addressed and resolved team blockers, ensuring smooth flow of activities and maintaining consistent productivity and delivery of value. Conducted feedback sessions, including one-on-one meetings, to gather insights, provide guidance, and foster continuous improvement within the team.
Java Specialist
7/1/2018 - 9/1/2020

Development Specialist

Specialized in utilizing Hexagonal Architecture for creating resilient and maintainable software systems. Developed advanced applications using Java 8 and Spring Boot, and crafted data interaction layers with Spring Data. Leveraged AWS services, including EC2 and S3, for scalable and reliable cloud solutions. Integrated and maintained robust messaging systems using RabbitMQ and Kafka. Expertly designed and implemented RESTful microservices and secured payment workflows through Payment API Gateways such as Heimdall and Cybersource, combined with Kong for API management.

Ensured version control and collaborative development with Git. Streamlined deployment processes using Docker and Rancher, establishing continuous integration and continuous delivery practices. Worked extensively with relational databases such as SQL Server, and NoSQL databases such as MongoDB, along with utilizing SOQL for Salesforce-related query requirements.