João Marcelo Zimmermann

# Software Developer

Location BrazilDesired Salary UnspecifiedWork preference Full TimeLinksNot setStatus   Actively looking Field / Industry Software Engineering

* SharePreferences:Relocation: NoNotice Period: ImmediateSkill Assessments:This user has not passed any tests yet

Languages:  English -   German -   Italian -   Spanish -

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[Overview](#overview)

## About Me

I am an experienced software developer with extensive expertise in web application development and a strong command of multiple programming languages, including JavaScript, TypeScript, and PHP. I am skilled in building scalable applications, designing user-friendly interfaces, and optimizing backend systems. I have a proven track record of delivering innovative solutions for businesses and collaborating effectively in cross-functional teams. My core skills include programming languages such as JavaScript, TypeScript, PHP, C++, and Node.js. I have experience in web application development, API design, and database management. Additionally, I am proficient in frameworks and tools like React and Node.js, and I have a background in network administration and IT infrastructure management. I am quick to learn any other programming languages as needed.

## Skills

### [JavaScript](https://jobicy.com/talent/javascript.md)[React](https://jobicy.com/talent/react.md)[TypeScript](https://jobicy.com/talent/typescript.md)[Technical Support](https://jobicy.com/talent/technical-support.md)[PHP](https://jobicy.com/talent/php.md)[Database Management](https://jobicy.com/talent/database-management.md)[Active Directory](https://jobicy.com/talent/active-directory.md)[HTML CSS](https://jobicy.com/talent/html-css.md)

## Education

OPET  2002 - 2004  Technical High School in Computer Science

Federal University of Technology – Paraná (UTFPR)  2016 - 2020  Bachelor’s in Information Systems

incomplete

## Experience

Data Analyst - Freelancer @ Outlier  2024 - Present Conduct AI/LLM training with focus on languages, human reactions, annotation, quality response rating, prompt engineering. Coding-related projects with focus on front-end development, AI debugging training, quality response coding rating. Primary programming technologies used in projects: React, JavaScript, Python, HTML/CSS.

Data Analyst - Freelancer @ Telus International  2020 - Present Conduct quality analysis of map search results and AI response systems. Other analyst skills: annotation, labeling, translation (en-pt, es-pt, de-pt), LLM training. Development of tools and scripts (using JavaScript and Node.js) to streamline analysis workflows.

Partner / Director @ ZTI Informática  2013 - Present Management end-to-end IT infrastructure management for client companies, overseeing implementation, maintenance, and optimization of technology systems. Overall IT support across network systems and software applications. Development of customized micro web applications using React, PHP, and JavaScript to meet client-specific needs.

Partner / Technical Director @ FDA Tecnologia  2008 - 2012 Supervised IT teams in managing infrastructure across multiple company sites. Directed development of internal tools and systems, employing Java and PHP to enhance operational efficiency.