Freelancer profile translated to English.

Description

Computer Science Engineer with over 12 years of experience in building and maintaining robust and scalable enterprise applications. Expert in Java 8+, microservices architecture, and frameworks like Spring Boot, Hibernate, Junit, and Mockito. I have led the development of web applications and microservices systems, optimizing performance and ensuring continuous integration with tools like Git, Maven, Jenkins, and Docker. With a focus on solving complex problems and improving code quality, I have managed to reduce execution times and enhance application stability in production environments. My passion for innovation, teamwork, and continuous learning has allowed me to adapt to new technologies and agile methodologies like Scrum.

Industry field of expertise

Languages

Spanish
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

GFT Technologies,
Senior Java Developer
March 2023 - Today (3 years and 3 months)
Barcelona, Spain
• Client: Seguros Santalucía
• Increased test coverage for three microservices from 20% to over 80%.
• Made corrections in implementations that reduced the lines of code by 15%, improving microservice deployment and response times, as well as their maintainability.
• Technologies: Java 17, Junit, Mockito, AssertJ, Maven, GitHub Copilot, IntelliJ IDEA.
• Client: Banco Santander
• Implemented the integration of accounting into export credit collections.
• Resolved critical production incidents such as an error in calculating commissions for an export remittance and the generation of ledger accounts for the Adjustments event of an export credit.
• Technologies: Java 17, Spring Boot, Junit, Gradle, MapStruct, Log4J, IntelliJ IDEA, Redis.
Oxigent Technologies,
Senior Java Developer
July 2021 - March 2023 (1 year and 8 months)
Barcelona, Spain
• Client: Sportium Apuestas Deportivas S.A.
• Led the development of the Alert Monitor module for monitoring key alerts arising from customer interactions with sports betting machines. The information obtained was of great value to the Business Intelligence area and contributed to minimizing losses by 25%.
• Led the development of the Tink flow, which optimized the customer bank transfer process, reducing the time required for this flow by 40% and eliminating the need for manual document signing by the customer.
• Technologies: Java 17, Spring Boot, Maven, Hibernate, JUnit, PostgreSQL, RabbitMQ, Apache Kafka, Portainer.
Luvefintech S.A.,
Senior Fullstack Developer
February 2020 - July 2021 (1 year and 5 months)
Quito, Ecuador
Led the development of the personal data validation process for credit approval via QR code or digital document signature.
• Implemented the calculation of the Internal Rate of Return (IRR) for a credit using the Newton-Raphson algorithm, which added significant value to the product.
• Developed a recursive algorithm for converting the numerical value of a credit to text, according to specific client requirements.
• Technologies: Java 8+, Spring Boot, Angular, Junit, Git, JHipster.