Seasoned analyst developer with specialized proficiency in RAD Studio/Delphi programming across multiple versions including Delphi 5, 6, 7, 2006, 10 Seattle, 10.2 Tokyo, and 10.3 Rio. With over two decades of expertise in developing and maintaining ERP systems for commerce, industry, and retail sectors, this individual is highly adept in payroll, accounting, and financial systems management. A recent project focused on creating a management system for medical test requisitions in the health sector showcased their capabilities in system development and API integration to enable cross-platform connectivity.

The developer demonstrates a strong understanding of business rules and requirement analysis, and holds intermediate skills in data analysis for report generation across various databases such as ORACLE, SQL SERVER, and FIREBIRD, including the use of procedures, functions, triggers, and views. Their experience in fiscal areas extends to handling NFe (Nota Fiscal Eletrônica), SPED (Public Digital Bookkeeping System), and eSocial.

Proficiency in version control systems such as Git, GitHub, SVN, and SVS is coupled with a solid understanding of Linux and Docker environments. Their expertise also includes senior-level capabilities in automation systems and back-office management for supermarkets utilizing Oracle databases, as well as adeptness with Ummense, a tool for team, project, and process management.

A Mobile Developer specializing in Flutter and Swift with extensive experience in challenging tech environments. Competent in efficiently and collaboratively working in team settings, this developer is committed to establishing a distinguished career by contributing innovative ideas, solutions, and impactful projects in the workplace. Passionate about technology and software development, the aim is to become a reference point in the industry through dedication and expertise.

A seasoned Delphi Programmer with extensive experience dating back to the early 2000s, specializing in the development and maintenance of ERP systems across various sectors within the software industry.

A Software Engineer with over five years of experience in developing corporate applications, specializing in scalable and robust solutions tailored to diverse client needs across multiple sectors. Proficient in various programming languages including C#, Go, and JavaScript, with extensive experience in conducting code reviews and collaborating with multifunctional teams to deliver high-quality software solutions. Dedicated to sharing knowledge and research through technical content creation on platforms like Medium.

Fullstack Developer with a degree in Computer Science from Unigranrio and extensive technical experience in Java, Node.js, React, React Native, SQL, MongoDB, Docker, AWS, and Google Cloud. Currently engaged in postgraduate studies in Software Architecture. Specialized in developing high-traffic and high-availability applications, with a keen interest in tackling complex challenges and designing effective software solutions.

Software developer experienced in game development. Initiated several online game servers and pursued programming through self-learning before transitioning to a professional role in the field. Enthusiast in combining technology and creativity through game creation.

Graduated in Computer Science from Universidade Federal do Maranhão in 2011, subsequently earning a Master's in Computer Science from the same institution in 2016. Currently pursuing an MBA in IT Management at the Instituto de Gestão e Tecnologia da Informação, with an anticipated completion date of 2018. Presently holds the position of Deputy Secretary of Information Technology and also serves as a Master Lecturer. Professional experience encompasses roles such as IT Systems Analyst, Java developer, and positions in IT Management and Project Management.

Back-end developer with a decade of experience in web and mobile development. Demonstrated capability as a Product Owner on projects serving high-profile clients, and developed applications that accommodate over five million daily users. Possesses extensive knowledge in design patterns, system architecture, and project management. Professional background includes roles as Project Coordinator and Team Leader.

Java 21 is the latest Long-Term Support (LTS) version of the Java programming language and runtime environment, offering new features, performance improvements, and extended support for enterprise applications. It includes enhancements in areas such as pattern matching, virtual threads, and foreign function interfaces to streamline development and improve efficiency.

A Java 21 expert must have skills in advanced Java programming, understanding of new features like pattern matching and virtual threads, proficiency with the Java Development Kit (JDK), experience with performance tuning, familiarity with garbage collection mechanisms, and knowledge of modern build tools like Maven or Gradle.

How to hire a Java 21 expert

Java 21 was released in September 2023 by Oracle as part of their regular update cycle for the Java programming language. It aimed to provide developers with long-term support and introduced significant features to enhance performance, security, and developer productivity. The release continued Java's tradition of evolving to meet modern development needs while maintaining backward compatibility.

About Java 21

Strengths of Java 21 include long-term support, improved performance, enhanced language features, and a robust ecosystem. Weaknesses may involve slower startup times compared to some newer languages and a larger memory footprint. Competitors include Python, C#, Kotlin, and JavaScript.

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How to hire a Java 21 expert

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