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Matthaus S.
Full-stack Product Engineer

Typescript
Java
Javascript
Python
Postgresql
React
Bio

A dedicated front-end developer specializing in creating seamless and captivating user experiences. Expertise in utilizing React to develop dynamic and responsive web applications that deliver a lasting impression.

  • Database Analyst
    8/2/2014 - 8/1/2018

    Led ETL processes, optimizing data extraction, transformation, and loading to enhance operational efficiency. Managed database development and analysis, ensuring alignment with application requirements. Developed and maintained routines using PL SQL and Python, including crafting triggers and procedures. Optimized queries to improve overall system performance. Produced customized reports, collaborating closely with stakeholders to meet specific requirements. Spearheaded the development of data models, continuously refining them to adapt to changing business needs.

    Demonstrated technical expertise in PostgreSQL, Sybase, MySQL, SQL Server, and Firebird. Proficient in PL SQL and Python scripting, with a strong background in query optimization and performance tuning. Experienced in creating and maintaining robust data models. Proven ability to collaborate effectively with cross-functional teams, coupled with a detail-oriented approach to documentation and code quality.

  • Front-End Developer
    8/1/2018 - Present

    Developed proficiency in React by spearheading the creation and management of the AssetWay interface. Played an integral role in technology selection and the development strategy, taking full ownership of the front end. Demonstrated advanced skills in creating and optimizing testing strategies, including unit tests, integration tests, and end-to-end tests for early regression detection. Prioritized performance optimization by profiling the application and employing techniques such as lazy loading, code splitting, and asset optimization to enhance user experience.

    Ensured adherence to accessibility standards by incorporating best practices for semantic HTML and ARIA roles, conducting regular accessibility audits. Maintained high code quality through enforcement of coding standards and static code analysis, alongside fostering a collaborative code review culture within the team. Kept comprehensive and up-to-date documentation including component documentation and README files to aid in the seamless onboarding of new developers. Implemented monitoring tools and error tracking systems for swift issue resolution, ensuring a resilient and reliable application.

  • Full-Stack Developer
    8/1/2017 - 8/1/2018

    Developed proficiency in designing and implementing responsive user interfaces using HTML, CSS, and JavaScript. Leveraged React to enhance user experience across various devices and browsers. Demonstrated expertise in developing robust APIs using Java, with a focus on best practices for API design, security, and thorough documentation. Implemented rigorous testing procedures to ensure backend service reliability. Excelled in optimizing SQL queries in PostgreSQL for improved database performance, utilizing strategic indexing and database optimization techniques. Contributed significantly to the seamless integration of front-end interfaces, Java-based APIs, and optimized database operations.

  • Software Development Internship
    3/2/2012 - 4/2/2013

    Contributed to the creation and maintenance of dynamic web applications, with a strong focus on front-end development using JavaScript and JavaServer Pages (JSP), ensuring engaging and responsive user interfaces. Actively participated in optimizing Java backend for seamless application functionality. Developed and maintained JavaScript-powered JSP pages to provide a user-friendly and visually appealing front-end experience. Implemented responsive design principles, ensuring cross-browser compatibility for enhanced accessibility. Collaborated with the development team on maintaining and updating Java backend code, prioritizing code efficiency and adherence to best practices. This role provided the opportunity to apply theoretical knowledge in a real-world setting, contributing to the development of robust and efficient web applications.

  • Computer Science at Itajaí Valley University
    2012 - 2017

  • Computer Programming at SENAI (National Service for Industrial Training)
    2007 - 2009

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