I am a Systems Analyst and Full Stack Developer with over 13 years of experience in system analysis, development, implementation, and support. I specialize in PHP, Java, and relational databases, and I excel at advanced technical support (N3), troubleshooting, and root cause analysis. I thrive at bridging business, support, and development teams to deliver practical, scalable solutions that align with operational goals. I enjoy documenting processes, mentoring teammates, and driving continuous improvement across projects.

Jonathan Hainzenreder

I am a Systems Analyst and Full Stack Developer with over 13 years of experience in system analysis, development, implementation, and support. I specialize in PHP, Java, and relational databases, and I excel at advanced technical support (N3), troubleshooting, and root cause analysis. I thrive at bridging business, support, and development teams to deliver practical, scalable solutions that align with operational goals. I enjoy documenting processes, mentoring teammates, and driving continuous improvement across projects.

Available to hire

I am a Systems Analyst and Full Stack Developer with over 13 years of experience in system analysis, development, implementation, and support. I specialize in PHP, Java, and relational databases, and I excel at advanced technical support (N3), troubleshooting, and root cause analysis.

I thrive at bridging business, support, and development teams to deliver practical, scalable solutions that align with operational goals. I enjoy documenting processes, mentoring teammates, and driving continuous improvement across projects.

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Experience Level

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

Language

English
Advanced

Work Experience

Systems Analyst N3 at Estratégia Educacional
January 1, 2026 - January 1, 2026
Investigated and resolved complex incidents escalated from Level 2 support; acted as liaison between support and development teams, refining requirements and demands; translated business issues into technical specifications for engineering teams; performed functional and technical validation of bug fixes and new features; created and maintained technical documentation and knowledge base.
Systems Analyst at Esmalglass-Itaca Group
January 1, 2018 - January 1, 2025
Analyzed business processes and proposed system solutions; developed systems using Java (Desktop and Web), Android, and PHP; implemented and supported systems, including user training; maintained version control and technical documentation ensuring traceability and compliance.
Systems Analyst at Pelainternet Sistemas de Informação LTDA
January 1, 2012 - January 1, 2018
Gathered and analyzed user requirements; developed and maintained web systems using PHP/MySQL, HTML, CSS, and jQuery; provided technical support, user guidance, and collected improvement requests.

Education

Specialization Certificate in Business Management at Senac College
January 11, 2030 - November 10, 2025
Bachelor of Science (B.S.) in Information Technology Management at Senac College
January 11, 2030 - November 10, 2025

Qualifications

ITIL Foundations V3 – IT Service Management
January 11, 2030 - October 27, 2025
Java Desktop, Java Web, and Android – Course 2018
January 1, 2018 - October 27, 2025
Java Web with Spring Framework – Labtrack
January 11, 2030 - October 27, 2025
Digital Marketing with Focus on Social Media
January 11, 2030 - October 27, 2025
Technical Course in Computer Assembly and Maintenance – Senac
January 11, 2030 - October 27, 2025

Industry Experience

Manufacturing, Software & Internet, Professional Services, Education, Other

Experience Level

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