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How To Hire Blockchain Developers: A Cheat Sheet

guide on hirirng blockchain developer

Blockchain Developer Description: Who Are Blockchain Engineers?

Blockchain developers are IT experts who deal with blockchain technology and are in charge of activities like creating blockchain protocols, smart contracts, and so on.  Blockchain engineers often have extensive experience building and deploying digital blockchains for technology or data consulting organizations. During this process, they must review the company's requirements and either work with current open source technology or create new ones.

What Is Blockchain Engineering?

Generally speaking, implementing and creating a digital blockchain for enterprise solutions is known as blockchain engineering. Blockchain technology improves the security and speed of information transmission in a cost-effective and transparent manner. It also eliminates the need for third parties to provide a level of confidence and certification in transactions.

What Does A Blockchain Engineer Do?

A blockchain engineer is in charge of building and maintaining the blockchain protocol itself. This might require a thorough understanding of everything from public-key cryptography to consensus techniques to peer-to-peer networking. They also have familiarity with specific blockchains, such as Bitcoin and Ethereum. Furthermore, blockchain engineers must create and execute assets, accelerators, and infrastructure setup procedures, as well as work largely on existing platforms like Hyperledger and Ethereum.

Some of their key responsibilities are:

  • Maintain distributed and decentralized blockchain-based networks, as well as blockchain applications including crypto trading, payment processing, document sharing, and digital voting.
  • Create and deploy secure blockchain design patterns and solutions across globally distributed networks, using modern technology.
  • Help with infrastructure setup and testing applications for transparency and security.

What Are The Benefits Of Blockchain Technology?

Enhanced Security

Compared to previous platforms or record-keeping methods, blockchain technology employs superior security. The consensus mechanism is used for all transactions that are ever recorded. Each transaction is also encrypted, with a hashing mechanism used to relate it to the previous transaction. Blockchain networks are also immutable, meaning that data can't be changed once it's been written. This is also the best option for systems that rely on unchangeable data, such as citizen-aging systems.

Enhanced Transparency

One of the major difficulties for organizations is transparency. Advocacy groups have attempted to introduce additional rules and laws in order to promote openness. However, there is one factor that prevents any system from being completely transparent: centralization. An organization may use blockchains to create a completely decentralized network that eliminates the need for a centralized authority, increasing the system's transparency.

Higher  Efficiency

Transactions are handled considerably faster than current methods since there is no labor-intensive procedure prone to human error and mistakes. Additionally, there is no need to enable payment systems, and the number of third-party mediators is decreased. Because of the high level of distribution and use, all transaction-related procedures may be optimized and automated, allowing for more efficient operation completion.

Traceability

Companies may use blockchains to build supply chains that include both vendors and suppliers. It is difficult to track objects in the traditional supply chain, which can lead to a variety of issues such as theft, counterfeiting, and product loss. The supply chain becomes more visible than ever before thanks to blockchain. It allows all parties in the supply chain to track the goods and guarantee that they are not being stolen, lost, or damaged. Companies can also benefit from blockchain traceability by using it internally.

Frameworks, Tools, & Languages Used In Blockchain Software Development

Blockchain Frameworks

Ethereum

Ethereum is a decentralized, open-source blockchain that allows users to create smart contracts. The platform's native cryptocurrency is Ether. Ether is the second most valuable cryptocurrency after Bitcoin in terms of market capitalization.

Quorum

Quorum is a permissioned blockchain infrastructure aimed at businesses. It was created with financial use cases in mind. Quorum inherits the maturity of the time-tested Ethereum code base and helps bring the public and enterprise development groups together around a single protocol by building atop Ethereum.

Exonum

Exonum is an open-source platform for building blockchain applications that is extendable. Exonum can be used to build cryptographically powered distributed ledgers across a wide range of domains, including FinTech, GovTech, and LegalTech. Exonum is designed to create permissioned blockchains, or blockchains with a central set of blockchain infrastructure providers.

Openchain

Openchain is designed for digital asset distribution and management. This framework was initially introduced by Coinprism. The Openchain distributed ledger was created with financial institutions and banks in mind. Financial institutions can employ openchain technology to strengthen anti-fraud and anti-money laundering systems and better manage all financial processes. This is a terrific alternative to improve your organization's infrastructure and adjust it to diverse demands.

Graphene

Cryptonomex has created the Graphene platform for blockchain implementation. This framework is mostly written in C++ and features a modular structure that makes customization simple. Graphene was initially used as the foundation for Bitshares, a cryptocurrency exchange. Behind this role, the platform offers a wide range of applications.

MultiChain

The MultiChain framework was created by Coin Science. This is a turnkey solution for building and deploying a private blockchain for your business or a group of businesses. MultiChain was created with the goal of overcoming some of the most important obstacles to blockchain adoption in the financial sector. The framework offers a complete solution, including all the necessary privacy and access restrictions. MultiChain has a simple API and a command-line interface, and it works with almost all server operating systems.

Corda

Corda is an R3 product. The organization intended Corda to function as a mediator to eliminate costly business interactions, designing a framework expressly for the banking sector. Businesses may use the framework to save on transaction and record-keeping expenses while also streamlining processes. Corda is an open-source platform for storing, controlling, and synchronizing financial responsibilities across businesses. It enables businesses to create an open network in which value may be transferred directly and securely. And all this can be done while being completely anonymous.

Hyperledger

The Hyperledger project was launched by the Linux Foundation in 2016. Hyperledger, like Exonum, is open-source and does not support any cryptocurrency. Hyperledger was created to provide a platform for diverse groups and individual developers to collaborate on blockchain technology. As a result of their collaboration, a set of blockchain tools has been developed for use in financial, healthcare, banking, IoT, supply chain, and other initiatives.

Blockchain Tools

Metamask

Metamask is a wallet that functions as a link between the Ethereum Blockchain and a web browser (Chrome or Firefox). It basically works as a browser extension. Metamask as a software platform allows people to interact with Ethereum dapps while using Ether and other ERC-20 tokens.  It can also store ERC20 tokens and Ether keys. It's a perfect wallet for blockchain developers since it can interface with several Ethereum test networks.

Truffle

Truffle is an Ethereum Blockchain framework that was created as a development environment for Ethereum-based applications. It includes a large library of specialized installations for building new smart contracts, developing complicated Ethereum dapps, and addressing other difficult Blockchain development requirements.

Ganache

Ganache is a Truffle Suite Blockchain tool that allows you to establish your own private Ethereum blockchain to test dapps, run commands, and inspect its state while maintaining complete control over the chain's operation. The most important aspect of Ganache is that it allows you to conduct all the operations that you would normally perform on the main chain without paying the fee.

Remix

Remix IDE is a Blockchain program that lets you use your browser to design and deploy smart contracts. Solidity smart contracts are created, tested, debugged, and deployed using Remix, a Javascript tool. Remix has excellent documentation and can easily connect to the Ethereum blockchain using Metamask.

Solc

Solc (Solidity Compiler) is a C++-based Solidity command-line compiler. Its major goal is to translate Solidity scripts into an Ethereum Virtual Machine-friendly format. While Solidity is a lightweight, loosely typed language with a syntax comparable to JavaScript, smart contracts written in it must be translated to a format that the EVM can read and decode. This is where Solc enters the picture.

Blockchain Testnet

When it comes to Blockchain development, the necessity of a Blockchain Testnet cannot be overstated. You can use a Blockchain Testnet to test dapps before they go public. Each blockchain solution has its own Testnet, so using the right one will yield the best results. Public Test, Private Test, and GanacheCLI are the three types of Blockchain Testnets.

Mist

Mist is the Ethereum founders' official wallet. When it comes to Ethereum, you'll need a dedicated location to store your Ether tokens and run your smart contracts before you can start using the network.

Geth

Geth is a cryptocurrency that may be used for a number of tasks on the Ethereum Blockchain, including transferring tokens, mining ether tokens, building smart contracts, and researching block history. After installing Geth, you may join an existing Blockchain or build your own. The good news is that Geth simplifies things by immediately connecting to the Ethereum mainnet.

Programming Languages

Solidity

Solidity is the first blockchain programming language to learn, drawing on influences from JavaScript, Powershell, and C++. Especially if you want to create dapps or go into the ICO development business. Vitalik Buterin, the creator of Ethereum, created the Solidity blockchain programming language.

JavaScript

JavaScript is one of the most important blockchain programming languages since it can be used for a broad range of apps and game development needs. The language, in the form of frameworks like Node.js, provides numerous advantages when developing a blockchain.

Rust

Rust is a fast, memory-efficient, and dependable programming language, which ensures that no random events (induced by the language) occur during runtime. Because of these traits, Rust is an excellent candidate for blockchains where dependability and efficiency are critical.

C++

Bjarne Stroustrup invented C++ in 1985, and it is the greatest programming language for cryptocurrency creation. The language is based on OOPs and is widely used in the development of cryptocurrencies such as Bitcoin, Litecoin, Ripple, Stellar, and EOS.

Simplicity

Simplicity is a blockchain programming language that was created as a replacement for the Bitcoin script. It is built on Ivy, which employs a Haskell-like syntax to make coding easier and faster. The language and implementation are still being worked on.

Python

Python's blockchain programming has not only dominated the worlds of app development, IoT app development, and network server development but it's also proven to be a valuable asset in the Blockchain-as-a-service space.

Go

The Go programming language has also made a strong showing among the top Blockchain coding languages. The language is not only simple to learn, but it also has all the advantages of JavaScript and Python, including user-friendliness, scalability, flexibility, and speed. All these factors make it an excellent code to develop blockchain applications. Go-Ethereum and Hyperledger Fabric are two of the most popular Go-based Blockchain systems on the market.

How To Hire A Blockchain Software Engineer: Step-By-Step Guide

Finding a blockchain developer with the right skill set for your company's particular demands is not easy. Despite the fact that it is a time-consuming and laborious process, it is very much necessary for the project's success. You will likely find the talent you need by using credible sources and following proper recruitment strategies and processes.

That is why we have decided to put together a step-by-step guide on how to employ blockchain professionals to help you in your search.

Create An Attractive Blockchain Job Description

To start your hunt for a blockchain developer, write a compelling job description and make sure it's as attractive as possible. To minimize any misconceptions and ensure complete transparency, it must explicitly identify and emphasize all critical blockchain developer requirements. You must spell out who your ideal candidate is and what skills he or she must possess in order to fulfill the criteria of your project. The following are the most commonly needed skills required for blockchain developers.

 Blockchain Developer Skills

  • Deep knowledge of cryptography
  • Proficiency in blockchain architecture
  • Knowledge in data structures
  • Knowledge in smart contracts
  • Possess interoperability skills
  • Possess cross-disciplinary skills
  • Have expertise in designing blockchain solutions
  • Deep understanding of business drivers and expected outcomes
  • Possess expertise in web development
  • Knowledge of Solidity, Java, C++, Python, and JavaScript

Where To Find Blockchain Developers?

Depending on what you are searching for, there is a great variety of websites where you may find the ideal blockchain developer candidate. Choosing the right recruitment website is a crucial factor in finding that top talent.

Traditional Job Portals

If you're short on time, traditional job boards may be able to help you find a blockchain developer who fits your company's needs. A few examples are LinkedIn Jobs, Careerbuilder, and Glassdoor.

Blockchain Conferences

One of the most exciting ways to find a blockchain programmer is to attend a conference. Conferences attract a varied spectrum of talent, thus improving your chances of discovering someone who is a great match for your project. Some examples are the following:

Freelance Websites

There are several freelance websites where programmers offer their services. Look into well-known freelance platforms like Upwork and Fiverr, as well as Lemon.io and Gun.io, if you're looking for a freelance blockchain developer.

Remote First Forums

You will be sure to find plenty of people eager to work remotely for your company at remote first forums; major websites for JavaScript blockchain developer jobs include Angel.co, Remotive, and WWR.

Outsourcing Companies

This is the most time and money-efficient method for finding a blockchain developer to join your team. Companies that specialize in blockchain application development can provide you with qualified employees that are a perfect fit for your project's requirements. Ukraine, Romania, and Poland, for example, are among the most popular outsourcing destinations in Eastern Europe.

Ask Candidates The Right Interview Questions

Apart from a thorough examination of the blockchain developer's CV, a detailed exchange with the applicant will indicate whether the developer genuinely possesses all the required skills and knowledge. Interview questions for a blockchain developer will undoubtedly differ between junior and mid-level candidates. Furthermore, asking the right questions reveals the candidate's thought process and problem-solving technique. If you're planning a project interview with a blockchain engineer, you should ask the following questions:

Check For A Technical Background

Such questions are a great way to get the conversation started. You might ask about the candidate's previous work experience and responsibilities in previous positions. You should seek information on the following subjects:

  1. Basic programming skills;
  2. Knowledge and skills in blockchain-oriented software engineering;
  3. Project experience.

Candidates should be able to discuss their technical background and job experience, as evidence of their programming skills. It's a good idea to ask for prior or current job samples.

Ask About Completed Blockchain Developer Certifications And Courses

Obtaining certificates opens up a wide range of professional opportunities and advantages, like blockchain in software development gives so many alternatives to inefficient, and often corrupt, systems. Asking about qualifications and courses will also help gauge candidates’ abilities and grasp of the requisite coding languages. Furthermore, not only should you assess candidates’ skills and command of coding architecture and tools in your interview questions, but you should also strongly consider requesting completed blockchain engineer certifications and courses as proof.

Don’t Forget About The Soft Skills

Before hiring a candidate, it's also important to examine their soft skills. This will allow you to see how the candidate will interact with the rest of the team. Judge how the candidate would behave in challenging situations, as well as his or her capacity and desire to learn new skills. You might be interested to know that there are recruitment tools that can help you evaluate soft skills as well.

Blockchain Software Engineer Salaries And Hourly Rates

The need for blockchain engineers is high in practically every industry, for both small and medium-sized businesses as well as large multinationals. Let’s have a look at the blockchain developer salaries and hourly rates for freelancing blockchain developers, full-time local programmers, and full-time remote programmers.

Freelancers

Employing freelancers is advantageous for short-term projects since it does not require a long-term commitment from either party. Blockchain developers that work freelance are self-employed, which means they may work from home and establish their own hours.

According to Upwork, one of the most well-known freelance marketplaces, blockchain engineers' typical hourly wages range from $30 to $59 per hour.

freelance blockchain developer hourly rate

Local Full-Time Developers

When you require a programmer for a long period of time, the best route is to
hire blockchain developers full-time. Finding someone who knows about blockchain in software development locally may take longer due to geographical constraints; nevertheless, you will be hiring a professional who will take the time to completely understand your company's operations and advance all of the business’s critical projects and procedures. There are a lot of excellent engineers out there that are eager to work full-time and with all the necessary abilities.

Average Salary Of A Blockchain Engineer In The United States

A variety of factors impact the average income of blockchain engineers in the United States. The statistics gathered from a variety of sources may differ based on the level of experience, location, and skill mastery, among other things. According to Talent.com, blockchain engineers in the United States earn an average of $145,000 a year, or $12,083 per month or $74.36 per hour.

blockchain developer annual salary

According to the information shown above, a junior blockchain engineer’s salary starts at $125,000 per year, while expert programmers may earn up to $185,250 per year.

Full-Time Remote Developers

Hiring remotely allows for greater flexibility in terms of location and time zones, as well as the chance to find the best talent at a fair price. Ukraine has been a popular location for outsourcing front-end developers due to their professionalism, incredible programming ability, and outstanding English communication. Businesses wishing to grow their team for a project, save money, or just skip the long recruitment process might consider hiring blockchain development services from Ukraine.

Let's compare the average wage of engineers with a blockchain development stack in Ukraine to the U.S. figures.

The average monthly compensation for developers with software engineer blockchain of middle seniority level, according to dou.ua, Ukraine's largest developer community, is $3000, ranging from $2500 to $3300 per month.

javascript developer salary

According to the same source, the typical senior Node.js developer income is $4625 per month, with a range of $4000 to $6000. This is the net remuneration of Ukrainian developers, which stands in sharp contrast to the labor pool in the United States.

Now that we have a clear picture of the rates for recruiting a crypto developer in the United States and Ukraine, we can clearly see which is more friendly to your budget.

Conclusion

You now have all of the information necessary to make the best selection among cryptocurrency developers. Always keep your company's goals and needs in mind: hiring freelancers is ideal for short-term and small projects, full-time programmers are ideal for long-term projects, and hiring on a remote basis gives you more flexibility in terms of location and time zones, as well as a better chance of finding the right talent at a reasonable price. Overall, due to the popularity of blockchain programming, locating a developer with all the essential skills is a doable task, but it requires careful consideration and analysis of a range of variables.

If you want to hire a blockchain developer to get the best results and make your project a success, think about what country you want to look for specialists in and then pick the best companies that offer blockchain development services from there. It's also crucial to consider how much money you are prepared to invest in the development of your project to attract the right coders.

Without a doubt, Ukraine is one of the most popular destinations for IT outsourcing. Ukraine's IT industry is booming, with a dou.ua study showing a 27 percent increase since 2017. Over this time, Ukrainian coders have gained a reputation as knowledgeable and capable specialists who comprise strong blockchain development teams all over the world.

According to Stack Overflow, Ukraine has roughly 166,000 tech experts, with the number growing every year as a result of strong technical education, so your project will be in more than capable hands.

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Written by

Dmitriy Ogol

Experience in various CRM systems as Zoho, SugarCRM, Hubspot and Pipedrive helped to reach the right expertise level in the CRM systems, which, consequently, lead to significant Salesforce potential. So now, Dmitriy helps to create various solutions on the Salesforce platform.
Starting from 2008, Dmitriy helps in the development of CRM solutions for such industries as Real Estate, Marketing, Insurance and Healthcare.

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