Engineering blog

EliteBrains Blog is a hub for in-depth development tutorials and new technology announcements created by professional software engineers for developers, companies or IT recruiters.

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  • Frontend developer

Frontend developer interview questions

What are the most important skills of a frontend developer, and how to test them?

Vojtech
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How to test & screen Javascript developers

Onboarding Javascript engineers? Make sure to evaluate their skills in order to build the skyrocket team!

Vojtech
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How Freelance CTOs Stay Ahead Of The Curve

Discover how freelance CTOs continuously adapt and stay ahead of the curve in the ever-evolving tech industry by leveraging key strategies such as networking, upskilling, and more.

Arjun
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Hiring a CTO: 5 Signs Your Business Needs Tech Leadership

Discover the top 5 signs that indicate your business is ready for a CTO. Learn how tech leadership can streamline operations, drive innovation, and enhance growth.

Arjun
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Building a Winning Tech Team: CTO's Role in Innovation (2024)

Discover the crucial role of a CTO in building a winning tech team, driving innovation, and ensuring success in today's competitive business landscape.

Arjun
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2024 Guide to Hire a CTO: Full-Time, Fractional, or Outsourced

Stay Ahead in 2024: Your Comprehensive Guide to Hiring a CTO - Full-Time, Fractional, or Outsourced. Get Expert Advice and Make the Right Choice for Your Business!

Arjun
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  • Code Tests

[Code Tests Resources] How to buy credits?

In this article you will learn more about pricing, what are credits for and how to buy them.

Lucia Skala
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  • Code Tests

[Code Tests Resources] Which areas and technologies there are in the tests?

In this article you will learn more about EliteBrains Code Tests. We will explore which areas and technologies are available when creating the tests.

Lucia Skala
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  • Code Tests

[Code Tests Resources] How to read reports?

In this article, you will read about how to read reports.

Lucia Skala
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  • Code Tests

[Code Tests Resources] How to create test and invite candidates

In this article we will see how you can create a test, define which technologies will be included, how to invite candidates and others. Excited? Let's go!

Lucia Skala
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  • IT Recruiters

Business Intelligence (BI) Developer Interview Questions (2024)

Get ready for your Business Intelligence Developer interview with our top 13 interview questions and answers. Prepare and ace your next BI Developer job interview in 2024.

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  • Full Time Software Developer

Web Developer- Skills, Responsibilities & Salary (2024)

Learn about the essential skills, duties, and earning potential of a web developer in 2024. Get started on your career path with this comprehensive guide.

Arjun
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  • Software developers

How to Hire Top Freelance Developers (In 2024)

Discover the secrets to hiring top freelance software developers in 2024! Unlock proven strategies, expert tips, and industry insights to find the best talent for your projects

Arjun
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  • Recruiters

6 must-have blockchain developer skills (2024)

Discover the essential skills required for a successful career in blockchain development. Learn about the top 6 must-have skills that every blockchain developer should possess in 2024. Read now for more information.

Hunter Andrews
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  • Software developers

The Definitive Guide to Solidity (2024)

Learn everything you need to know about Solidity programming language with this definitive guide. Get started with smart contract development on Ethereum and build decentralized applications (DApps) with ease. Updated for 2024

Arjun
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  • Software developers

What You Need To Know About Non-Fungible Tokens (NFTs)

NFTs are the new kids on the crypto block – brands are embracing them, collectors are loving them, and speculators are jumping aboard. Some describe these crypto tokens as something akin to an "iTunes of Crypto." But what exactly is an NFT? Let's find out!

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  • Project manager

Smart Contract - Overview & How It Works (2024)

Learn about smart contracts, a revolutionary technology that enables self-executing contracts with the ability to automate processes and eliminate intermediaries. Discover their benefits, use cases, and how they work in this comprehensive overview. Keep up-to-date with the latest trends in 2024.

Arjun
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  • Software developers

What Is Blockchain Technology? How Does It Work?

Discover what Blockchain Technology is, how it works and why it has the potential to revolutionize the world. This comprehensive guide covers everything from the basics to the advanced concepts of blockchain technology.

Arjun
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Machine Learning for Business: A Comprehensive Guide (2024)

Learn everything you need to know about machine learning, including its applications, benefits, and challenges. Get started on your machine learning journey and take your business to the next level.

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Top 30 Blockchain Interview Questions & Answers (2024)

This comprehensive guide covers the top 30 interview questions and answers for aspiring blockchain developers, engineers, and enthusiasts. Get ahead of the competition with this up-to-date resource for 2024.

Arjun
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  • Software developers

How to Become A SharePoint Developer (in 2024)

Discover the steps to become a SharePoint developer in 2024, including the necessary skills, certifications, and experience required to excel in this in-demand role. Gain insights into the career path of a SharePoint developer and the job outlook for this field.

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  • Software developers

ServiceNow Developer - Role, Responsibilities & Skills (2024)

Looking to become a ServiceNow Developer? This article covers everything you need to know about the role, responsibilities, and skills required for ServiceNow Developers in 2024.

Arjun
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  • Software developers

What is a Microsoft Certified Solution Developer (MCSD)?

A Microsoft Certified Solution Developer (MCSD) is an individual who has passed the test required to be certified as having learned how to design and develop business applications using Microsoft's toolkits and technologies.

Arjun
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Remote Teams & Having A Game Plan with Michael Devellano

In 2019, the world began to look at remote work as the new normal, but Michael Devellano had been working remotely for decades. An entrepreneur with technical knowledge, Devellano came into the workforce just as mobile technology started its exponential growth.

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The 5 Biggest Technology Trends In 2024 (New)

Discover the top 5 technology trends set to take over in 2024 and beyond. From artificial intelligence to extended reality, stay ahead of the curve with this insightful guide.

Arjun
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Python Developer Hiring Costs in 2024: A Comprehensive Guide

Get insights on the cost of hiring Python developers in 2024 with this informative guide. Learn about the factors affecting the cost and how to make the best hiring decisions for your business.

Arjun
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  • Recruiters

Top 10 Software Engineer Interview Questions to Ask in 2024

Looking to hire a software engineer in 2024? Check out these 10 essential interview questions to ask candidates to ensure you find the right fit for your team. From technical skills to problem-solving abilities, this guide has got you covered.

Arjun
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A Comprehensive Node.js Guide for 2024 and Beyond

Learn about Node.js and its future in 2024 and beyond with this complete guide. Understand the basics, explore advanced concepts, and discover the latest updates to keep your skills up to date.

Arjun
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  • Software developer

10 Tips To Manage Remote Developers (2024)

Remote work is here to stay. Ensure your remote developer team thrives with these 10 expert tips on communication, collaboration, and productivity. Read on for essential insights to manage remote developers in 2024.

Arjun
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Technical Recruiting: A Guide to Hiring Tech Talent (2024)

Looking to hire top tech talent in 2024? Check out our comprehensive guide to technical recruiting for expert tips and strategies

Arjun
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  • Recruiters

7 Project Management Tools For Companies to Grow Quickly

Looking to grow your company quickly? Check out these 7 project management tools that can help streamline your workflow and boost productivity. From task tracking to team collaboration, these tools have got you covered. Read on to learn more.

Arjun
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Ultimate Guide to Hire Remotely: Tips, Tools, and Best Practices

Discover the advantages of hiring remotely and how to do it right. Hire top talent from anywhere with our step-by-step guide

Arjun
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Hiring Lead/Senior Developers: Tips for Finding Top Talent

Discover expert tips for finding and hiring top lead/senior developers in 2024. Learn the key traits and qualifications to look for in candidates

Arjun
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  • PHP

Top PHP Developers for Hire: Find Your Perfect Fit (2024)

Looking to Hire PHP Developers? Find Top PHP Programmers for Your Project Today! Expertise in Laravel, CodeIgniter, Symphony, and more. Get a free consultation now.

Daniel
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  • Software developers

10 Skills Every SharePoint Developer Needs (2024)

Discover the top 10 skills that every SharePoint developer needs in 2024 to excel in their role. Improve your SharePoint development skills with this guide.

Arjun
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  • .net programmer

How to Hire .NET Developers? [Step By Step Guide]

Learn how to find and hire top .NET developers with our step-by-step guide. Discover the skills to look for and the hiring process to follow in 2024.

Arjun
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  • Software developers

BI Developer: Role, Responsibilities & Skills (2024 Update)

Looking to hire a BI developer? Get an updated guide on the role, responsibilities and required skills for 2024. Find top talent today.

Arjun
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  • Full-stack developer

What Does a Full Stack Developer Do? Hiring Guide for 2024

Looking to hire a full stack developer? Learn about the role and responsibilities in 2024 with our expert hiring guide.

Arjun
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  • Software developers

Guide to Hiring ETL Developers: Skills & Responsibilities (2024)

Learn about the role and skills of an ETL developer and get a hiring guide for 2024. Find top talent to manage your data pipelines today

Arjun
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  • Software developer

Need a Programmer for Your Startup? Hire Top Talent Today

Find top programmer for your startup. Hire skilled developers for your project and bring your vision to life. Contact us today

Arjun
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  • Project manager

CTO Roles and Responsibilities: What to Expect in 2024

Discover what to expect from a CTO's roles and responsibilities in 2024. Learn about the latest trends and skills required for this key tech leadership position

Arjun
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  • React developer
  • React

Top React Developers for Hire: Find the Best Talent (2024)

Looking to hire the best React developers for your project? Our expert developers can build high-quality and scalable web applications. Contact us today!

Arjun
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  • Project manager

Hire Top Shopify Developers to Build Your Online Store (2024)

Looking to build an online store with Shopify? Hire our top-rated Shopify developers to create a stunning and effective e-commerce site in 2024. Contact us now!

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  • IT Recruiters

How We Test Developers at EliteBrains?

What is the greatest nightmare of working with freelancers? Most employers will tell you it’s developers who tend to embellish their resumes and then spectacularly fail to live up to the expectations they set.

VJ Zahorsky
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  • Freelancers

Lead Developer vs Senior Developer: Key Differences (2024)

Lead vs Senior Developer: A Comprehensive Overview of the Two Roles in 2024. Make informed decisions about your career or hiring strategy.

Hunter Andrews
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  • Javascript
  • java programmer
  • Java

Expert Tips for Hiring Entry Level Java Developers (2024)

Looking to hire entry-level Java developers in 2024? Get ahead with our expert tips for finding and selecting top talent.

Arjun
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Hire Local Developers Based in Scandinavia or Western Europe

If you are based in Sweden and plan to hire software developers, you practically have two options. You either hire local Swedish developers for very high rates or you go for remote freelance developers.

Shawn H.
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Why Should You Hire Freelancers On EliteBrains?

So, what’s the best way to choose the best freelancers for your web or app development project? The answer is to use a platform, such as EliteBrains, that offers skilled, hand-selected, and fully-screened freelancers.

Arjun
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  • Software developers

Toptal vs Upwork vs EliteBrains: 2024 Update

Toptal vs Upwork vs EliteBrains - understand the differences between top freelancing platforms and find the best fit for your needs.

Arjun
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  • Mobile App Development Cost

Mobile App Development Cost in 2024 [ Updated]

Our guide provides cost-effective strategies for achieving high-quality results in mobile app development in 2024. Maximize your budget and drive success today.

Arjun
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  • Angular developer
  • Angular Developers

Hire Angular Developers: Find Top Talent for Your Next Project

Find the right Angular developers for your app and elevate your development in 2023. Hire now and bring your vision to life

Arjun
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  • Freelance App Developers

Hire Top App Developers in 2023 with Our Expert Guide

Discover the top app developers for 2023 with our expert guide. Get the resources you need to make an informed decision and ensure your app's success!

Arjun
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  • Freelancers
  • Full Time Software Developer

Freelance vs Fulltime Developers in 2024: A Hiring Guide

In 2024, the decision to hire freelance or fulltime developers can be tough. Our guide outlines the benefits and drawbacks of each to help you make a more informed decision

Arjun
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  • Flux
  • Redux
  • Mobx
  • Reducers

MobX, Flux, Redux React state management

MobX,Flux, Redux? Today, most of the applications are developed as SPA’s (single page applications), in a nutshell, we’re talking about one single HTML page with JavaScript code, which renders everything else.

Richard Novak
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  • React
  • UI
  • Styled
  • Components
  • BEM
  • CSS
  • SASS

React & Styled components

As the modern applications are more and more complex and dynamic, the ways of styling the page has developed as well. From simple CSS we went to more sophisticated tools.

Vaclav Brzezina
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  • Javascript
  • Java
  • programming languages
  • PHP

What frameworks are, and the most commonly used ones

Besides requirements for knowledge of programming languages in job vacancies, there are also often requirements for knowledge of a particular framework. But what exactly is a framework? It is a programming language add-on, or one might say a package of components which makes programming in a particular language easier. Every programming language has a large number of frameworks. Let’s look at so

Vojtech Zahorsky
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  • Javascript
  • Java
  • backend
  • programming languages

Manual for IT Recruiters - V. Java and Javascript: the difference between them

One of the most common errors made by recruiters is mixing up Java and Javascript. These words are very similar, but their meaning and uses are entirely different. As we know from Chapter 3, Java and Javascript are two different programming languages. Java is most frequently used to develop backend parts of apps (that part which ensures functionality). In contrast, Javascript is used to develop th

Vojtech Zahorsky
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  • SQL developer
  • PL/SQL developer
  • Recruiters
  • Database

Manual for IT Recruiters - IV. What databases are used for

You may often encounter terms such as SQL developer, PL/SQL developer, database specialist but may not know what these terms imply. Let’s look at this in today’s part of the Manual for IT Recruiters.

Vojtech Zahorsky
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  • Backend developer
  • java programmer
  • php programmer
  • c# programmer
  • .net programmer
  • Frontend developer
  • Angular developer
  • React developer
  • Vue.js developer
  • Full-stack developer

Manual for IT Recruiters - III. Types of programmers

In the previous section of the Manual, we explained individual roles within the development team. Now we shall endeavour to differentiate different programmers according to the technologies they utilise. The following division is purely my own perspective, and it should not be taken as dogma. As the title suggests, this is more a list of types of programmer, rather than separate positions.

Vojtech Zahorsky
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  • IT Recruiters
  • Project manager
  • Analyst
  • Architect
  • Software developer
  • Tester

Manual for IT Recruiters - II. Roles in the team

In the first part of this Manual for IT Recruiters, we describe individual roles within the software development team. The term “software” encompasses internet banking, accounting systems, CRM (a client management tool), various mobile apps, Windows apps, etc.

Vojtech Zahorsky
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  • Software developers
  • IT specialists
  • Job-IT.cz
  • IT Recruiters

Job Recruiters in IT (Manual) - I. Introduction

Job Recruiters in IT (Manual) - In recent years, the boom in the recruitment of IT experts has reached its historic peak. Software developers and other IT specialists are today needed in banks, start-ups, and logistics, pharmaceutical, and industrial companies.

Vojtech Zahorsky
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  • Flow
  • Typescript
  • Javascript

Flow, Typescript? Why to use types in JavaScript

Types are one of the main foundations of a programming language. Many execution errors in JavaScript are type errors. Have you ever called a function and received the error undefined is not a function? This happens when we try to access a property that is not defined. Since Javascript can’t locate the property, it returns it’s fallback - undefined

Vaclav B.