Servant is a Haskell library used for building web APIs. It allows developers to define API types at the type level, ensuring that server implementations and client requests adhere to a consistent specification. This approach enhances type safety and reduces runtime errors by leveraging Haskell's strong type system to enforce API contracts during compilation.
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About Servant
Servant was developed as a Haskell library to address the need for a type-safe approach to building web APIs. It emerged from the Haskell community, with contributions from various developers who sought to leverage Haskell's type system to ensure API consistency and reduce runtime errors. The library gained traction due to its ability to define APIs at the type level, providing a robust framework for both server and client code generation. The exact year of creation and specific individuals involved in its inception are not definitively documented.
Strengths of Servant include its strong type safety, which reduces runtime errors, and its ability to define APIs at the type level, ensuring consistency between server and client implementations. Weaknesses may involve a steep learning curve for those not familiar with Haskell or type-level programming. Competitors include other Haskell web frameworks like Yesod and Scotty, as well as frameworks in other languages such as Django for Python or Express for Node.js.
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How to hire a Servant expert
A Servant expert must have a strong proficiency in Haskell, particularly in understanding and utilizing its type system. They should be skilled in type-level programming and familiar with concepts like type classes and algebraic data types. Experience with web development principles, RESTful API design, and an understanding of HTTP protocols is essential. Familiarity with associated Haskell libraries for database interaction, JSON handling, and concurrency can also be beneficial.

Joberth R.
Skills
A Software Engineering student at the University of Brasília, currently in the 10th semester, demonstrates a robust commitment to learning and an avid interest in contemporary technological trends. Exhibiting solid proficiency in Object-Oriented Programming, JavaScript, Python, and Golang, this individual has accrued experience with diverse frameworks and programming languages spanning multiple paradigms. Presently concentrating on development, there is a burgeoning intrigue and significant interest in the fields of Data Science and Machine Learning.

André A.
Skills
Experienced full-stack developer with more than eight years dedicated to the creation of applications, APIs, and web services characterized by clean architecture, code readability, and structured patterns. Exhibits a strong inclination towards application development, process automation, and data analysis. Maintains a profound interest in leveraging technology for societal benefit.

Guilherme A.
Skills
Back-end developer specializing in web development with extensive experience in PHP, JavaScript, and various frameworks and libraries, including Laravel and Symfony. Committed to continuous learning and staying current with emerging technologies.

André N.
Skills
Front-end Developer with over three years of comprehensive experience encompassing requirement analysis, design, development, maintenance, testing, and deployment. Specializes in JavaScript and TypeScript, with extensive proficiency in React, React Native, and Next. Engages in continuous learning, presently focusing on GraphQL, Svelte, and advanced Angular concepts. Emphasizes technical excellence, adherence to best development practices, code maintainability, component reusability, and problem-solving skills to enhance the end-user experience.

Vanderlei O.
Skills
A dedicated professional with extensive experience in programming since 2014, holding a Bachelor's degree in Computer Engineering and a degree in Systems Analysis, graduating with first-class honors and an average grade above 8.5. Specializing in JavaScript development, with the ability to rapidly learn additional programming languages. Demonstrates strong self-learning capabilities, exceptional teamwork skills, and a commitment to continuous personal and professional development while supporting team members effectively.

Júlio C.
Skills
A Computer Science graduate from the Federal University of Campina Grande, possessing substantial experience in data analysis and software development within agile environments. Professional roles have involved responsibilities in both data analysis and full-stack development. Current areas of learning focus on back-end development, front-end development, and software testing.

Giulia L.
Skills
A Software Developer and Information Systems student focused on leveraging development expertise and a keen interest in immersive technological environments. Responsibilities include the development of new features to enhance banking transactions, analysis tools, summaries, and reports within a financial technology context. Additional duties encompass the architectural design of a white-label mobile application.

Fernando J.
Skills
Full Stack Developer proficient in a range of languages and technologies, including Microsoft Azure, C#, ASP.Net MVC, .Net Core, Typescript (Angular), Javascript (React, Node.js), PostgreSQL, MongoDB, Git, TFS, and Azure DevOps. Possesses a degree in Systems Analysis and Development with current interests in mobile technologies, specifically utilizing Dart (Flutter).
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