Koa is a lightweight, flexible web framework for Node.js designed to build web applications and APIs with a minimalistic approach, enabling developers to handle HTTP middleware with more efficiency and less complexity.

About Koa
Koa was created in 2013 by the team behind Express, with the goal of providing a more modern and modular framework that leveraged ES6 features to simplify middleware management and improve error handling.
Koa's strengths included its lightweight design, modularity, and improved error handling. Its weaknesses involved a steeper learning curve and less built-in functionality compared to other frameworks. Competitors included Express, Hapi, and Sails.js.
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How to hire a Koa expert
A Koa expert must have strong proficiency in JavaScript and Node.js, experience with asynchronous programming and Promises, knowledge of ES6+ features, familiarity with middleware patterns, and skills in HTTP protocol handling.

Wesley D.
Skills
A highly skilled Software Engineer with over four years of experience in .NET software development. Demonstrates expertise in C#, VB.NET, VB6, and JavaScript, with a specialization in deploying Docker containers to streamline development environments and facilitate deployment on AWS EC2 servers. Recognized for delivering efficient, high-quality solutions under challenging conditions, this independent and dynamic professional combines resourcefulness with exceptional interpersonal abilities to achieve outstanding results.

Danilo G.
Skills
Possessing a Master's degree in Computer Science from UFERSA, the candidate initiated a career in development, with initial experience as a Fullstack Developer. This role involved contributing to the development of tools for various stakeholders, managing all development stages from feature creation to interface design.
Following this, as a Mobile Developer with a focus on Flutter SDK, the candidate worked on enhancing user experience and security measures, leveraging innovative technologies and processes in collaboration with an anti-fraud team.
Currently, the candidate leads a mobile development team, overseeing project architecture, setting coding standards, conducting code reviews, and facilitating feature development and project adjustments.

Natalia D.
Skills
FullStack Developer with four years of diverse experience in developing high-level applications. Demonstrates a strong adaptability and openness to continuous learning. Possesses comprehensive expertise in SQL, NoSQL, Java, C#, JavaScript, React, Git, and Jenkins.

Alison O.
Skills
An experienced software developer with over 19 years of expertise, specializing in web and mobile technologies, exhibiting proficiency across a diverse range of programming languages and frameworks. Proficient in PHP Frameworks, JavaScript Frameworks, Apache Tomcat, MySQL, Bootstrap, Node.js, React, React Native, AngularJS, Ionic Framework, PostgreSQL, and Oracle databases. Adept in utilizing web development tools such as VS Code IDE and has deep expertise in SQL and NoSQL databases, including Firebird. Skilled in SEO strategies for e-commerce platforms and possesses comprehensive knowledge in infrastructure and cloud computing services.
The career commenced at 14 with the development of institutional websites and e-commerce platforms. By the age of 18, transitioned into the educational sector, instructing web design. Subsequently, founded a technology company focused on event management solutions, covering sales and development. Assumed responsibility for the full technology spectrum, developing POSWEB applications with diverse technologies (PHP, .NET, Delphi, Ionic) and managing software testing along with database performance optimization.
Experience includes the development of both desktop and web applications optimized for high performance with minimal resource consumption, managing both local and cloud-hosted infrastructures on Linux and Windows systems, and automating access control management systems and point-of-sale (POS) systems. Led the creation of mobile applications for ticket validation, sales, and control, and oversaw the development of e-commerce portals, dashboards, and gatekeeper management for events.
The COVID-19 pandemic necessitated a strategic pause in operations due to its impact on the events sector, transitioning to sustainability-focused measures until normal operations could resume.
Later joined as a Senior Analyst, responsibilities included consulting, test-driven development (TDD), database administration, detailed analysis, and enhancing client application solutions with various frameworks (PHP, Lumen, Laravel, Magento), as well as Node.js, Angular, and AWS infrastructure services. Focus was placed on unit testing, application performance improvement, and optimizing microservices.

Larissa R.
Skills
Front-End and Mobile Developer with approximately four years of experience, holding a Bachelor’s degree in Information Systems. Proficiencies include HTML, CSS, REST APIs, JavaScript, TypeScript, ReactJS, React Native, Jest, Testing Library, unit testing, Docker, Storybook, Styled Components, Material UI, and Tailwind CSS. Experience encompasses the development of websites and mobile applications, as well as the implementation of Design System components. Outside of technical expertise, personal interests include games, board games, and solving Rubik’s cubes.

Arthur H.
Skills
Commencing a career in June 2019 as a FullStack Developer, expertise was developed in key technologies such as PHP, Python, and PostgreSQL. Since 2021, the focus has transitioned towards specializing in backend development, particularly in API development, proficient in both REST and GraphQL APIs. With a commitment to continuous learning, professional interests encompass Python, Machine Learning, Cloud Computing, and Docker. Personal pursuits include engaging in games, reading, listening to music, and playing the drums.

Gabriel K.
Skills
Web Developer with over two years of project experience in diverse environments, including internal projects and e-commerce platform development. Proficiencies encompass Back-End technologies such as JavaScript, database management, Git, and Docker, alongside Front-End development expertise with React.

Luiz F.
Skills
A Full Stack Web Developer with two years of experience in web development.
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