Roberto T.
Data Engineer

Skills

Cascading Style Sheets

Sql

Pascal

Delphi

Wordpress

Unity

Microsoft Sql Server

Oracle Database

Html

Javascript

Php

Mysql

Sqlite

Roberto is available for hire

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Bio

Possessing a Bachelor's degree in Computer Science and over two decades of experience, expertise includes system analysis and development, database management, lectures, and training. Proficient in a variety of programming and markup languages such as Delphi, Lazarus, Free Pascal, PHP, C#, C++, Python, SQL, HTML, XML, Java, Javascript, CSS, GML, GScript, AutoHotKey, AutoIt, and MQL5. Knowledgeable in utilizing frameworks like JQuery, MelonJS, DirectX, and OpenGL. Experienced in developing commercial systems, ERPs, and supporting electronic invoicing systems including NF-e and NFC-e. Skilled in database technologies including Oracle, Microsoft SQL, MySQL, Firebird, MariaDB, and SQLite.

Expertise extends to API REST integrations and JSON data manipulation, as well as system and game programming for platforms such as Windows, Linux, Android, and iOS using Unity3D, Game Maker, and Godot Engine. Familiar with Debian-based Linux distributions and visual programming. Graphic design skills encompass software like Corel Draw, Corel Photo-Paint, Inkscape, Gimp, and Krita. Competent in hardware and software maintenance and setup. Specialized experience in healthcare information systems focusing on data exchange standards such as HL7 and FHIR, and creation of plugins for MetaTrader 5 using MQL5, backed by financial market analysis knowledge.

Professional Training Instructor
1/1/2000 - 3/1/2010

Developed and taught comprehensive computer science courses, creating detailed didactic material to support a wide range of technical subjects. Administered exams and developed assignments to assess student proficiency in both fundamental and advanced topics. Provided clear explanations to resolve student inquiries, covering areas including the Office suite as well as desktop and web programming.
Senior Programmer Analyst
3/1/2023 - 3/1/2024

Developed software utilizing C#, HTML, JavaScript, CSS, VB.NET, ASP.NET, JSON, Blazor, and MAUI. Managed databases with Microsoft SQL Server, ensuring the integrity and optimization of data storage and retrieval processes. Demonstrated expertise in front-end and back-end development frameworks, contributing to the full software development lifecycle from design to deployment.
Software Developer
6/1/2021 - 3/1/2023

Provided software development and systems analysis expertise, with a strong focus on programming in C# and utilizing the .NET Framework. Executed robust API REST integrations leveraging JSON data, ensuring seamless communication between disparate systems. Delivered dedicated support for healthcare applications, guaranteeing optimal functionality and performance within the healthcare technology landscape.
Systems Analyst
3/1/1997 - 5/1/2021

Specialized in system analysis and management of database management systems (DBMSs), with a strong focus on software development using a diverse set of programming languages including Delphi, Lazarus, PHP, HTML, JavaScript, CSS, and C#. Developed a deep understanding of system architecture, database design, and application development, enabling the effective planning, implementation, and optimization of complex software solutions. Proficient in adhering to best practices in coding and database management, ensuring reliability, scalability, and performance of developed systems.
Systems Analyst and Software Developer
1/1/2015 - 5/1/2020

Developed proficiency in various software development languages and frameworks including Python, Java, and C#. Gained hands-on experience with database management systems such as MySQL, PostgreSQL, and MongoDB, ensuring robust data storage solutions. Demonstrated strong capabilities in digital marketing tools and platforms including Google Analytics, AdWords, and SEO techniques, leading to improved online visibility and user engagement. Conducted thorough system analysis to identify and resolve system inefficiencies, optimize workflows, and enhance overall performance. Utilized version control systems such as Git for collaborative code maintenance and implemented continuous integration practices to streamline development processes.
Digital Marketing Analyst
3/1/2014 - 12/1/2014

Developed expertise in systems analysis and management of Database Management Systems (DBMSs). Proficient in software development using PHP, HTML, JavaScript, and CSS. Gained extensive experience with the CMS WordPress, enabling efficient content management and website development.
Assistant Administrative Officer for Cooperatives
1/1/2013 - 3/1/2019

Developed expertise in teaching and preparing didactic material for computer classes. Applied tests, created assignments, and clarified doubts related to operating systems and software applications. Gained extensive experience with Windows, Office, and LibreOffice, focusing on operating systems, word processors, and spreadsheets.
Manager / Analyst
1/1/2013 - 8/1/2018

Gained extensive experience in web design and graphic design, proficiently utilizing tools such as Adobe Creative Suite, including Photoshop, Illustrator, and InDesign. Developed technical expertise in database management, working extensively with MySQL and MongoDB to ensure efficient data storage and retrieval. Specialized in web application development, focusing on front-end technologies such as HTML, CSS, and JavaScript, and utilizing frameworks like Angular and React for dynamic user interface creation. Demonstrated proficiency in server-side scripting with PHP and Node.js, and ensured robust application performance with RESTful API development. Maintained collaborative development practices using version control systems such as Git, and deployed applications across various environments using Docker and Kubernetes.
Professor - Technical Course in Information Technology
4/1/2010 - 12/1/2010

Developed and delivered educational material for the Technical Course in Informatics, focusing on PHP, HTML, JavaScript, CSS, and Database. Created and administered exams, and designed assignments that reinforced learning objectives. Provided thorough clarification of students' doubts, ensuring a deep comprehension of subject matter and enhancing their technical skill set.
Computer Science Teacher
1/1/2010 - 3/1/2012

Developed proficiency in teaching and preparing didactic materials for computer classes, focusing on both theoretical and practical applications. Applied comprehensive testing methodologies, developed tailored assignments, and engaged in extensive clarification sessions to resolve student doubts concerning various operating systems such as Windows. Demonstrated in-depth expertise with word processors and spreadsheets, specifically within Office Suite and LibreOffice.
Computational Support Analyst
1/1/2009 - 6/1/2009

Developed proficiency in software development, encompassing languages and frameworks such as Java, Python, and Angular. Gained extensive experience in database management, with a focus on SQL, Oracle, and MySQL. Conducted thorough systems analysis to evaluate and improve system performance and efficiency. Managed routine and complex maintenance tasks to ensure systems remained operational and secure, utilizing tools such as Jenkins and Docker. Demonstrated expertise in version control through Git and GitHub. Actively contributed to collaborative projects using Agile methodologies, enhancing team productivity and project outcomes.
Owner / Programmer
11/1/2008 - 8/1/2018

Gained comprehensive expertise as an Administrator, handling the full spectrum of web design and graphic design. Demonstrated technical proficiency in web application development and database management. Utilized tools and frameworks such as Adobe Creative Suite for graphic design, HTML, CSS, JavaScript, and frameworks like Bootstrap and Angular for web design. Developed web applications using PHP, Python, and Ruby on Rails, and managed databases with MySQL and PostgreSQL. Refined skills in implementing responsive design principles and ensured cross-browser compatibility. Leveraged Git for version control to maintain collaborative code development. Maintained and improved server performance and security protocols, ensuring efficient database operations and data integrity.
Systems Support Analyst
9/1/2008 - 9/1/2009

Gained extensive experience in systems analysis and software development, focusing on delivering robust and efficient solutions. Developed technical proficiency in Java, Python, and C#. Mastered frameworks including Spring Boot, Django, and .NET. Applied advanced database management skills using MySQL, Oracle, and MongoDB. Designed and implemented RESTful APIs and microservices architecture. Utilized version control systems such as Git and SVN for collaborative code maintenance. Demonstrated strong analytical skills in identifying user requirements and translating them into technical specifications. Enhanced performance and scalability of applications through optimization and refactoring techniques. Ensured adherence to software development life cycle (SDLC) best practices and project management methodologies like Agile and Scrum. Proficient in using tools such as JIRA, Jenkins, and Docker to streamline development workflows and continuous integration/continuous deployment (CI/CD) pipelines. Exhibited expertise in cloud services such as AWS and Azure, contributing to the deployment and management of applications in cloud environments. Efficiently debugged and resolved complex technical issues, ensuring minimal disruptions to production environments.
Computer Science Teacher
3/1/2008 - 12/1/2009

Developed and prepared didactic material for computer science classes, encompassing a range of topics including operating systems, word processors, and spreadsheets. Applied tests and created assignments to evaluate student understanding and progress. Provided in-depth clarification on technical issues related to Windows, Office, and LibreOffice, ensuring comprehensive support for students' learning needs.
Computer Science Teacher
1/1/2005 - 8/1/2006

Developed expertise in teaching and preparing didactic material for computer classes, focusing on operating systems, word processors, and electronic spreadsheets. Conducted application of exams and development of assignments while providing clarification of doubts related to Windows, Linux, and Office Suite.
Computational Support Analyst
1/1/2005 - 6/1/2005

Developed proficiency in Python, Java, and C#. Extensive experience in utilizing frameworks such as Django, Spring, and .NET. Demonstrated skills in database management systems including MySQL, PostgreSQL, and MongoDB, ensuring optimal performance and reliability. Conducted in-depth systems analysis to identify and resolve complex technical issues, leveraging a solid understanding of software development life cycles. Maintained and enhanced codebases using version control systems like Git and SVN, facilitating seamless collaboration and continuous integration. Employed tools such as Jenkins and Docker to streamline development and deployment processes, ensuring efficient and scalable software solutions.
Partner / Owner
3/1/2003 - 12/1/2005

Developed proficiency in software development, enhancing technical skills through the creation and maintenance of complex software systems. Gained extensive experience in database management, optimizing and securing data storage solutions for high-performance applications. Conducted comprehensive systems analysis to identify, troubleshoot, and resolve system inefficiencies, ensuring seamless operation and improved reliability. Contributed to computer science education by designing and delivering engaging and informative courses, fostering a deep understanding of fundamental and advanced concepts among students. Utilized a range of tools and frameworks, including SQL, NoSQL databases, and various programming languages, to streamline workflow and achieve project objectives. Implemented and maintained version control practices using Git, ensuring efficient and collaborative coding environments.