Acted as Technical Leader and Senior Developer across various projects, with a primary focus on the digital bank of Crefisa. Responsible for developing and managing critical transactional modules and features. Delivered robust and scalable solutions for Current Accounts, Prepaid Accounts, Individual and Corporate entities, as well as parametrization and auditing functionalities.Key Responsibilities and Achievements:Led multidisciplinary technical teams, applying coaching… Show more Acted as Technical Leader and Senior Developer across various projects, with a primary focus on the digital bank of Crefisa. Responsible for developing and managing critical transactional modules and features. Delivered robust and scalable solutions for Current Accounts, Prepaid Accounts, Individual and Corporate entities, as well as parametrization and auditing functionalities.Key Responsibilities and Achievements:Led multidisciplinary technical teams, applying coaching techniques to foster continuous improvement.Full Stack development using technologies such as React.js, React Native, Node.js, Flutter, and modern frameworks like NestJS.Designed and maintained essential modules, including notifications, user management, audit trails, and integration of enterprise functionalities.Managed cloud infrastructure with AWS (Lambda, CloudFormation, DynamoDB, IAM) and Google Cloud Platform (GCP).Developed scalable and secure APIs using GraphQL, NestJS, and RESTful APIs.Integrated and optimized databases such as MongoDB, MySQL, PostgreSQL (PSQL), and Oracle DB.Implemented DevOps practices with monitoring via Amazon CloudWatch and managed scalable infrastructure.Specialized in creating rich and responsive user interfaces using HTML5, CSS, SASS, and modern frontend tools like Redux and Sagas.Key Technologies:Frontend: React.js, React Native, Redux.js, Sagas, HTML5, CSS, SASS.Backend: Node.js, Go, NestJS, GraphQL, AWS Lambda.Databases: MongoDB, MySQL, PostgreSQL, Oracle DB, DynamoDB.Cloud Platforms: AWS (IAM, Lambda, DynamoDB, CloudFormation, CloudWatch), GCP.Others: Flutter, Native Android, .NET Framework.This experience highlights strong leadership skills, technological innovation, and a proven ability to deliver strategic results in dynamic and complex environments. Show less

Senior Full Stack Developer with extensive experience in developing and maintaining systems for billing applications, using a varied ecosystem of technologies. Specialist in languages and frameworks such as Delphi, PHP, React, React Native and Node.js, with a focus on the design and implementation of scalable and efficient RESTful APIs.Proficient in managing databases such as MongoDB and Firebird, ensuring high performance and security. Competence in developing responsive and stylized… Show more Senior Full Stack Developer with extensive experience in developing and maintaining systems for billing applications, using a varied ecosystem of technologies. Specialist in languages and frameworks such as Delphi, PHP, React, React Native and Node.js, with a focus on the design and implementation of scalable and efficient RESTful APIs.Proficient in managing databases such as MongoDB and Firebird, ensuring high performance and security. Competence in developing responsive and stylized interfaces using CSS. Solid experience in cloud-based solutions with AWS, including server configuration, scalability and storage.Proven ability to deliver robust, scalable and well-integrated systems in line with business needs. Mastery of agile methodologies and modern development practices, promoting consistent, high-impact deliveries, with a strategic vision for Full Stack solutions. Show less

Consultant and Systems Developer with extensive experience in ERP and CRM. Specialist in the development of systems for the management and handling of medicines, including integration with health surveillance agencies. Proficient in Delphi, PHP, SQL Server, Windows Server, and GED, as well as skills in cloud technologies such as AWS and modern languages such as Golang.