I am a seasoned Software Engineer with over 17 years of experience, passionate about crafting high-quality, scalable, and user-friendly software solutions. I specialize in Java, Spring Framework, and modern software architectures, with a strong focus on API-first development and cloud-native solutions using AWS. I love collaborating across teams and mentoring junior engineers to foster innovation and continuous improvement. Throughout my career, I have contributed to both legacy and greenfield projects, leading complex multi-country initiatives and ensuring alignment between technology and business needs. I enjoy working in agile environments where open communication and iterative development drive successful outcomes.

Gustavo Macan

I am a seasoned Software Engineer with over 17 years of experience, passionate about crafting high-quality, scalable, and user-friendly software solutions. I specialize in Java, Spring Framework, and modern software architectures, with a strong focus on API-first development and cloud-native solutions using AWS. I love collaborating across teams and mentoring junior engineers to foster innovation and continuous improvement. Throughout my career, I have contributed to both legacy and greenfield projects, leading complex multi-country initiatives and ensuring alignment between technology and business needs. I enjoy working in agile environments where open communication and iterative development drive successful outcomes.

Available to hire

I am a seasoned Software Engineer with over 17 years of experience, passionate about crafting high-quality, scalable, and user-friendly software solutions. I specialize in Java, Spring Framework, and modern software architectures, with a strong focus on API-first development and cloud-native solutions using AWS. I love collaborating across teams and mentoring junior engineers to foster innovation and continuous improvement.

Throughout my career, I have contributed to both legacy and greenfield projects, leading complex multi-country initiatives and ensuring alignment between technology and business needs. I enjoy working in agile environments where open communication and iterative development drive successful outcomes.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Spanish; Castilian
Intermediate

Work Experience

Software Engineer at John Deere Financial Region 3
March 1, 2020 - Present
Led the design and maintenance of Java-based solutions, emphasizing RESTful services and AWS integration while developing applications and APIs using Java and Spring. Created an automatic Check Credit Policies API from scratch, reducing rework and enhancing operational integrity. Contributed to the IFRS9 project by developing components like Wholesale Collaterals and integrating Check Credit Policies, improving compliance processes. Built and maintained scalable RESTful APIs, integrated with internal and third-party systems, ensured security and performance. Implemented CI/CD pipelines with Jenkins, participated in Agile ceremonies, mentored junior engineers, optimized databases with PostgreSQL and MongoDB, transitioned microservice apps from lambda to containerized setups, automated PHP update code conversions, migrated codebase to GitHub Enterprise, implemented feature toggles for continuous deployment, developed full-stack apps using Node.js, TypeScript, and React.js. Designed third
Full Stack Developer at John Deere Financial
March 1, 2020 - July 14, 2025
Enhanced the performance of a legacy PHP-based software solution by implementing technical upgrades to improve system efficiency. Provided essential software maintenance, ensuring uninterrupted service and high functionality of critical applications.
Full Stack Developer at John Deere Intelligent Solutions Group
March 1, 2018 - July 14, 2025
Spearheaded development and maintenance of Java-based solutions including applications for binary data conversion. Successfully refactored and transitioned backend from EJB to Spring Framework, decoupling frontend and backend functionalities. Worked with JSF and Primefaces for frontend, and Java 6 with EJB for backend.
Backend Developer at Claro
January 1, 2016 - July 14, 2025
Developed and optimized backend systems to enhance scalability and efficiency for key business applications.
Systems Analyst at Eurofins do Brasil
January 1, 2012 - July 14, 2025
Conducted thorough systems analysis and provided support for enterprise-level software solutions, ensuring alignment with business goals.
Systems Analyst at Consórcio Nacional Massey Ferguson
September 1, 2010 - July 14, 2025
Analyzed and supported business-critical applications, contributing to high availability and reliability.
Systems Analyst at Toyota do Brasil
September 1, 2009 - July 14, 2025
Analyzed and optimized software systems to meet evolving business requirements.
Software Engineer at John Deere Financial Region 3
March 1, 2020 - Present
Led design and maintenance of Java-based solutions focusing on RESTful services and AWS integration. Created automatic Check Credit Policies API that reduced rework and improved operational integrity. Developed key components for IFRS9 compliance and enhanced financing systems improving regulatory compliance. Built and maintained scalable REST APIs and CI/CD pipelines using Jenkins. Participated in Agile ceremonies and collaborated with cross-functional teams. Mentored junior engineers and conducted code reviews. Transitioned lambda applications to container microservices improving stability. Developed a full-stack web app using Node.js, TypeScript, and React.js. Integrated third-party supplier access with SOAP-RBAC, enhancing operational efficiency. Designed consortium solution facilitating equipment purchases. Integrated socio-environmental risk assessment in credit processing. Led observability efforts to detect anomalies and improve reliability. Provided technical leadership, train
Full Stack Developer at John Deere Financial
March 1, 2020 - July 14, 2025
Enhanced performance and maintained legacy PHP-based software solutions, ensuring high system efficiency and continuous availability.
Full Stack Developer at John Deere Intelligent Solutions Group
March 1, 2018 - July 14, 2025
Led development and maintenance of Java-based solutions including binary data conversion. Refactored backend from EJB to Spring Framework decoupling frontend/backend functions. Developed frontend with JSF and Primefaces and backend with Java 6 and EJB.
Backend Developer at Claro
January 1, 2016 - July 14, 2025
Developed and optimized backend systems, enhancing scalability and efficiency for key business applications.
Systems Analyst at Eurofins do Brasil
January 1, 2012 - July 14, 2025
Conducted systems analysis and provided support for enterprise-level software solutions aligned with business goals.
Systems Analyst at Consórcio Nacional Massey Ferguson
September 1, 2010 - July 14, 2025
Analyzed and supported business-critical applications, ensuring high availability and reliability.
Systems Analyst at Toyota do Brasil
September 1, 2009 - July 14, 2025
Analyzed and optimized software systems to effectively meet evolving business requirements.

Education

Bachelor's Degree at UniMax - Centro Universitário Max Planck
January 1, 2005 - December 31, 2008
Bachelor's Degree at UniMax - Centro Universitário Max Planck
January 1, 2005 - December 31, 2008

Qualifications

Databases and SQL for Data Science
January 1, 2020 - December 31, 2020
Java Formation
January 1, 2020 - December 31, 2020
Licensed Scrum Master
January 1, 2020 - December 31, 2020
Spring Boot Microservices with Spring Cloud – Udemy
January 1, 2020 - December 31, 2020
Designing RESTful APIs – Coursera
January 1, 2020 - December 31, 2020
Databases and SQL for Data Science
January 11, 2030 - July 14, 2025
Java Formation
January 11, 2030 - July 14, 2025
Licensed Scrum Master
January 11, 2030 - July 14, 2025
Spring Boot Microservices with Spring Cloud – Udemy
January 11, 2030 - July 14, 2025
Designing RESTful APIs – Coursera
January 11, 2030 - July 14, 2025

Industry Experience

Financial Services, Manufacturing, Software & Internet, Transportation & Logistics, Wholesale & Distribution

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more