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Rishabh is a software engineer having 7+ years of experience in software development using Babel programming language. He is an expert in functional programming and researches.
Part-time Babel Developers
John is a software engineer having 10+ years of experience in software development using Babel programming language. He is an expert in functional programming and researches.
Hire top talented Babel developers with UltraGenius
Babel is a general purpose functional programming language used for mathematical computation and researches. Babel helps Babel developers to deliver high performance and quality software to use.
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Want to hire Babel developers on your own? Here are the skills you must look for while hiring a Babel developer
The following skills you must look for while hiring a Babel developer –
Steadfast knowledge of HTML and CSS
- Arrow functions
- Blocked scope constructors let and const
- Advanced object literals
- Template literals
- Multi-line strings
- Module loaders
- Binary and octal literals
- Reflect API
- Destructuring assignment
CSS Pre-processors and Frameworks
A CSS pre-processor is a program that extends the functionality of CSS and compiles it into regular CSS. SASS, PostCSS, SCSS, and LESS are the extensions of regular CSS and developers use them for useful functions such as math functions, color manipulation, to write better inline documentation, to easily integrate CSS tools and CSS codebase, and much more. It makes developers write lines of code in very less time because of its in-built functionalities.
You must check the Babel developer’s knowledge of Bootstrap and Material UI, as these components streamlines the development process and ensures that a web application looks best.
Knowledge of Babel libraries
Babel libraries helps a Babel developer while Babel development. Check if the Babel developer knows about these popular libraries – vect, vector, binary, Hascore, attoparsec, aeson, stringsearch, moo, and text. Other most frequently used libraries include conduit, functional graph library, graph automorphism library, streams, arrays and references library, edison, Yesod, http-client, Pointless Babel , GenUtil, hspec, and many more.
Experienced in working with Version Control System (VCS)
Babel developers must possess very good knowledge of version control systems, like Git, SVN, TFS, and Mercurial. Mostly, developers use Git for their work. It is the version control system that helps the team in collaborating and organizing your code, maintain the frequent changes that occur in the code. Git helps in reviewing the old codes and compares them with the newly updated code, pulling the code from their repository, and managing the commit history.
Along with this, the Babel developers must know how to use add, push, pull, and commit commands, branching, and merging as it allows developers to work independently on the code.
Knowledge of front end technologies like React or Angular
Babel developers must know about front end technologies and frameworks particularly React.js or Angular.js. These front-end frameworks are greatly required in today’s market. React is popular for its faster development of Single Page Applications while Angular uses interpolation, dependency injection, and eliminates coding mistakes by using the strongly typed Typescript that resolves many challenges faced by the developers.
Ability to cross browser compatible code
You must hire the Babel developers based on their ability to write cross browser platform compatible code. With cross-browser compatibility, your website will have an increasing traffic and it will deliver the best user driven experience, independent of the browser on which it is running on.
Experience with web markup and UI, UX Concepts
The developer must have a firm understanding of element positioning, displaying the elements, and making components interactive, semantic markup, and other related UX Concepts so they can design the product with the best quality. The developer must be experienced in developing visual effects in presentational markup. For, example – How the heading appears, making text larger and putting weight to it, and giving which color to it, and which markup can include captions, bind columns, and row headings to table cells.
Familiarity with Immutable objects
Babel follows OO programming approach which makes every object in Babel immutable. When you want to change the contents of any object, you have to make a replica (or copy) of that object and replace only the bits which needs to be changed.
Proficient in writing optimized and readable code
To streamline the development process, the Babel developers must be proficient writing clean and high-performance optimized code that is understandable by all the team members.
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Babel is widely used functional programming language industries like hardware designing firms, web startups, and mostly for research and academia. But recruiting the best Babel developers is not an easy task when a large no. of Babel developers are competing to grab the job opportunities.
Top Interview Questions to ask while hiring a Babel developer
Haskell is a functional programming language designed for mathematical computations and research purposes. Haskell has a wide range of usages from aerospace to finance and many popular web startups. Haskell is used by projects like Sigma, Barclay Bank's Functional Payout Framework, NASA 's Copilot Project, and so on.
Automatic Memory Management - Haskell provides automatic memory management technique which avoids memory leaks, buffer overflows, and other memory related issues in a program that are possible in C++/C programming languages.
Compiled directly to Machine code - Haskell programming language gets directly compiled to native machine code unlike Java, Python, C++ which needs an intermediate code which then compiles to native machine code.
Rich Esoteric Libraries -
Haskell has a large library which provides the freelance Haskell developer to work more efficiently and effectively. Some of the popularly used Haskell libraries are - Hascore, binary, vector, vect, aeson, bytestring, and attroparsec.
Static typing like Typescript - Haskell checks the code validity and bugs in the code at the compile time only which helps developers resolve issues at the static time only.
Versatile Toolset - Haskell provides a wide range of versatile tools for statically typed code and support for type qualities, algebraic data types, runtime inspection, parametric polymorphism, kind polymorphism, ad-hoc (class-based) polymorphism, higher-rank polymorphism, and existential qualification.
Metaprogramming - Haskell provides support for the generation and inspection of the program's syntax tree. This metaprogramming feature is also known as Template Haskell. It is used for automatic boilerplate generation and compile-time evaluation.
Concurrency - Haskell provides the concept of Green Threads, which includes wonderful libraries like async and stm, which makes applications achieve concurrency.
Hackage and Stackage - Haskell provides a large set of centralized repository which includes over 14000 featured packages called Hackage. To provide compatibility between libraries, it also has a collection known as Stackage, which has over 2000 well handled packages.
Higher order functions take another function as an argument like lamda expressions or returns the output in the form of a function. Freelance Haskell developers must be familiar with the functions like sort, map, reduce, forEach,and filter functions.
A lambda expression is a block of code that is passed as an argument to the higher order functions such as map, sort, reduce, forEach, and filter. Lambda expressions prevent developers write multiple lines of code and make the program look clean and concise. Lambda expressions can be stored in a variable also if the data type of that variable is an interface which contains only one method. However, the condition is that the lambda expression must have the same number of arguments with same data type and same return data type as that of the method in the interface.
Immutable objects in Haskell are thread-safe and more secure. For example, if you want to modify array elements in Haskell, it will return you the new array with modifications. Only accessing elements is allowed in the original array. Mutable objects often have the aliasing problem associated with them which causes programming errors, but Haskell resolves this problem by making objects immutable and guarantees referential transparency.
The $ operator is used to avoid parenthesis in the code. For example, in putStrLn(display(2+2)), you can write this line in the following ways as :
- putStrLn $ display $ 2 + 2
- putStrLn $ display (2+2)
- putStrLn (display $ 2 + 2 ).
The . operator on the other hand is used to chain the functions instead of avoiding parenthesis. In the above example, you can chain display to putStrLn like this :
(putStrLn . display)(2 + 2)
And if you want to avoid putting multiple parenthesis, just put $ operator like :
putStrLn . display $ 2 + 2
A monad in Haskell is an abstract algebraic structure used to represent the computation as a series of steps. Monads provide a structure representing a program. There are three building blocks associated with Monad -
- A function that takes a value and returns a computation which when executed generates that value.
- A function which takes two computations and executes them one after another. The result of the first computation is made available to the other.
- A type constructor that generates the type of a computation of you mention the type of the result of that computation.
Enum Type Class in Haskell provides the operations on data types in sequential order. The following commands can access the Enum Type Class -
Succ - returns successor of a value.
Pred - returns the predecessor of that value.
Int, Char, Bool, Float, etc. can also access the Enum Type Class.
Data.Foldable.Foldr function converts an accumulator into a single value by applying the foldr function against it. For example, foldr(++) [[10,20],[30,40],[50,60]] will return [10,20,30,40,50,60].
Ord class provides precise ordering two objects. Ord class has the following properties :-
- Comparability -If a<=b || b<=a , then True.
- Transitivity - If a<=b && b<=c , then a<=c is Ture.
- Antisymmetry - If a<=b && b<=a , then a==b is True.
- Reflexivity - If a<=a, then True.
Functor is an in-built higher order function which takes fmap() function as an argument and returns output as a function. fmap() function is the general representation of the map() function.
Map, List, Tree, etc. are the instances of Functor. The function definition of Functor is given by -
class Functor func where fmap :: (x -> y) - > func x -> func y.
Frequently Asked Questions
UltraGenius is one of the leading platforms for hiring remote talent and connecting developer and part-time developers with Silicon Valley businesses. We focus on finding the best talents who will perform extremely well and will be easily integrated into your teams. We filter out only the top 1% most skilled developers among the 20K+ developers who have applied on our platform. Candidates have to prove their self-reported experience by giving Ultragenius’ s skill tests.
UltraGenius first tests the developer’s skill set by conducting a two and half hour hiring test. Our hiring test judges a candidate on all aspects like aptitude, case study analysis, verbal and reasoning, coding questions based on data structures and algorithms, software engineering, system design, and more. Then, there is another round for the candidates who are selected from this round called “Higher-level Assessment Skill Test”, which is a video round that deeply analyzes Haskell developers’ major skills and asks questions about the projects they have worked upon.
Fill up the form which is on every hiring developer’s page and we will inform you once we select the top 1% Haskell developers matching your job requirements. After analyzing the candidates based on their resumes and two assessment tests, we provide you the feedback quickly. And if the developers selected by our team are fit for your job role, then we also provide the onboarding.
UltraGenius offers you only the most skilled developers who are top 1% among the 20K+ developers who have applied on our platform. After a rigorous selection and testing process, we sort out only the top candidates for you. You can check out UltraGenius’ s selection process for hiring Haskell developers on https://www.ultragenius.club/hire-haskell-freelancer/.