A seasoned Web Developer with extensive experience marked by five years of proficiency in PHP and the founding of a startup that employed a microservices architecture, enabling the acquisition of skills in Node.js and Python. Furthering expertise in data science integration into business operations was achieved through pursuing an MBA, leading to advanced proficiency in Python, Pandas, and data visualization techniques. Initially assumed the role of lead developer, building and mentoring a development team to six members. Following the recent sale of the project to an entity based in São Paulo, currently exploring new opportunities in development or data analysis roles.

Web Developer with eleven years of experience specializing in the development of diverse technology products utilizing JavaScript. Demonstrates a strong commitment to leveraging programming to drive impactful change and is consistently motivated to tackle new challenges. Actively seeks opportunities to engage with individuals from various cultural backgrounds to foster continuous self-improvement and broaden professional insight.

Possesses comprehensive expertise in a diverse range of technologies including Dart, Flutter, Java, Spring Boot, Python, Django, HTML, CSS, Ionic, React, Angular, WordPress, Tableau, and Git. Additionally, skilled in utilizing Agile development tools such as Jira and GitLab. Demonstrates a continuous pursuit of new challenges aimed at enhancing career trajectory and achieving significant results that drive both qualitative and quantitative growth. Known for adaptability, a positive demeanor, and dynamism in various professional settings. Maintains a strong command of technical skills while exemplifying responsibility, diligence, and exceptional interpersonal relationships, with a steadfast focus on the objectives of the team or organization.

Rômullo, a resident of Brazil, has been a front-end developer for over three years. His expertise encompasses JavaScript, React, TypeScript, Jest for unit testing, GraphQL, Apollo Client, Sass, and Styled Components, among other technologies. He is nearing the completion of a bachelor's degree in Information Systems, expected by the first semester of 2023.

His recent professional experience involves contributing to an online shop for a computer game at a Canadian company, operating in an English-speaking environment. The project required frequent interface changes and implementation of new features to showcase digital assets during promotions and events within the game. Previously, he was engaged at a Brazilian startup, where he developed the primary interfaces for an online trading platform focused on the energy market. This platform enabled real-time transactions, trade history monitoring, and financial detail tracking.

As a mid-level developer, his current objective is to enhance his technical skills, aiming to lead front-end projects and tackle the most complex aspects. Additionally, he aspires to refine his soft skills to become a dependable senior developer capable of problem-solving and providing team support when needed.

Web Developer with seven years of professional experience, transitioning from freelancing to engaging in substantial projects, including the development of a product for a national investment bank and work within a multinational enterprise. Demonstrates strong expertise in functional programming, object-oriented programming, Python, and JavaScript. Focused on application scalability, robust infrastructure, best development practices, architecture, DevOps, cloud computing, Test-Driven Development (TDD), and Behavior-Driven Development (BDD).

A Quality Assurance professional with experience since 2018, specializing in Android, iOS, desktop, and web projects. Proficiency encompasses manual testing for API and UI in web applications. In the past three years, extensive focus has been given to software test automation, employing tools such as Postman, Cypress, and Behavior-Driven Development (BDD). With expertise in JavaScript, contributions include the implementation of CI/CD pipelines on GitHub Actions for automated regression tests. Additionally, possesses one year of experience in performance and load testing using K6, enhancing a comprehensive testing strategy for sustained product quality. Dedicated to advancing testing methodologies to achieve higher levels of team and organizational success.

iOS Analyst/Developer with extensive expertise in developing and maintaining applications for Apple devices. Specializing in Swift and Objective-C, with a thorough comprehension of the iOS framework, including UIKit, Core Data, and Cocoa Touch. Exhibits strong problem-solving abilities and exceptional skills in code optimization, aimed at high performance and enhanced user experience. Adept in collaborative agile development environments and proficient in utilizing version control systems such as Git. Dedicated to continuous professional growth and staying informed about the latest industry advancements and technological trends.

Experienced System Developer with a specialization in FullStack development using ASP.NET, currently seeking full-time opportunities in São José do Rio Preto and its surrounding areas. Demonstrates a strong readiness to explore and adapt to new technologies.

Rexx (Restructured Extended Executor) is a high-level programming language designed for ease of learning and readability, primarily used for scripting, automation, and data processing tasks. It excels in string manipulation, system integration, and rapid application development.

A Rexx expert must have strong skills in scripting and automation, proficient knowledge of string manipulation, and experience with system integration. They should also be adept at debugging and error handling within the Rexx environment, as well as familiar with the specific operating systems where Rexx is commonly used, such as IBM mainframes.

How to hire a Rexx expert

Rexx was created in 1979 by IBM, specifically by Mike Cowlishaw. It was developed to provide a simple yet powerful scripting language for IBM's mainframe operating systems, aiming to improve ease of use and readability in automation and data processing tasks.

About Rexx

Rexx's strengths included ease of learning, readability, and strong string manipulation capabilities. Its weaknesses involved limited support for modern programming paradigms and less widespread adoption. Competitors included 

, which offered broader functionality and more extensive libraries.

Rexx

Top 5*

Programming Languages

About Rexx

How to hire a Rexx expert

The Best of the Best Optimized for Your Budget