João Marcelo Zimmermann
João Marcelo Zimmermann

Software Developer

Actively looking · Member since 31 Jul 2025
Message
Location
Brazil
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

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

8 capabilities

Experience

Career history

Data Analyst - Freelancer Outlier

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

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

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

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.

Education

Learning history

OPET

Technical High School in Computer Science

Federal University of Technology – Paraná (UTFPR)

Bachelor’s in Information Systems

incomplete

This professional hasn’t added portfolio projects yet.

This professional hasn’t listed any services yet.

Jobs Talent Salaries
Menu