The latest blockchain technology was revolutionary, and the outbreak of this technology created a great demand for blockchain developers. The expectations from the blockchain developers were high to cope with the challenging tasks of established and start-up organisations. Hiring a blockchain developer for the company was a challenging task, and it includes several responsibilities.
Given below are the top skills that a good blockchain developer should have.
1. Good knowledge of basic programming skills.
The experienced and more talented blockchain developers should also be an expert in the following programming concepts:
- Syntax of the programming language
For any computer programming language, syntax is essential to run the programming successfully. Syntax refers to the set of rules with specific symbols to develop the structured program, which can be used for any functionality of the computer software.
Blockchain developers must know the proper syntax for all the required programming languages. For example, they should see the syntax of loops, while loops, logical operators, arithmetic operators, switch statements, and many more.
- OOPS Concept
OOPS refers to an object-oriented programming structure, Here the concept is based on the objects and organized accordingly. The objects are categorized into classes which allow each object to be grouped.
With the help of the OOPS concept, the blockchain developers can update any object without altering any other object. So the knowledge of the OOPS concept is required for the blockchain developers.
- Multi-Threading Concept
Mult-ithreading is the concept of concurrently running threads or pieces of the program to utilize the CPU. Blockchain developers must have strong knowledge to implement multithreading concepts in blockchain software development.
- Socket programming skills
Socket programming is used to connect the two nodes in the network. It helps to communicate with each other. When it gets combined, the server also creates the socket program from the other end to get connected with the client.
The blockchain developer skills should include good knowledge on socket programming.
2. The developers should have a strong knowledge of encryption/decryption and security concepts
The blockchain is based on encryption and decryption techniques to securely transfer the data over the network. So before you choose to hire a blockchain programmer, you need to confirm whether they have complete knowledge about encryption/decryption and security concepts.
Blockchain developers should know the following concepts:
It is an algorithm to maintain the data in a secure place. It is used for cybersecurity issues.
- Encryption and Decryption
Both are the cryptography techniques used to encrypt and decrypt the data while transferring over the network
Encryption:-Converting the plain text to cipher text or unreadable text
Decryption:-Converting the cipher text back to plain text at the receiver end
These are keys used for encryption and decryption methods. Public keys are keys that everyone can access, but the private key is accessible only to the respective receiver or the owner. The encrypted data with a public key can be decrypted only with the respective private key.
3. Blockchain developers should understand data structures
The blockchain developers must understand the data structure concept. It is the main key to software development. Below are some of the important data structure concepts which are a must for the blockchain developers
- Linked List
A type of array in the data structure concept where the data are connected to each other via pointers.
- Hash Table
The data is stored as an array with the index value in the hashtable. Here the data is accessed easily with the index value.
- Acyclic graph
A graph without cycles is known as the Acyclic graph
4. Ensure that the Developer is well versed with the basic terms and concepts of blockchain
The blockchain developers must know the basic terms and concepts of blockchain. Below are some of the important concepts/terms of blockchain that are must in blockchain developer skills.
- Crypto tokens
The digital assets over the blockchain network are called crypto tokens. These tokens can be traded or exchanged over the crypto platform. The blockchain developer should know how to develop the tokens.
- DLT- Distributed Ledger Technology
The data is shared over the network rather than maintained at a single location. This is called DLT. The blockchain developers should have an idea of how the DLT works and should also know about its implementation.
Immutability is a blockchain term, which means the data recorded on the blockchain can never be altered or changed. To update the data, new events need to be added to the blockchain.
It is a decentralized network, so the decision making lies on the consensus mechanism. It is a type of agreement where all the members need to have the mutual decision to add any block to the network.
- Smart Contract
A digital contract between the two parties without any third party to share the money, property, or exchange anything based on the agreement on the blockchain. The solidity programming language is used to develop smart contracts on platforms like Ethereum platform
DApps refers to Decentralized applications which use P2P network
- Permissioned Blockchain
Only the permissioned members can verify or mine the transactions and all members can read the data on the records.
- Public blockchain
All members have access to read and write the data on the records.
5. The blockchain developers should have strong tool knowledge to build the blockchain applications
Below are some of the development tools in which the blockchain developers should have hands-on experience.
- Bitcoin BlockExplorer
6. How to find the right blockchain developers
Once you have identified the skillset for the blockchain developers, you should know where to search for the blockchain developers. Not only in the job portals or Linkedin, but you can also find them in any social media or community.
Below are some of the important things to be considered while looking for the right team of blockchain developers
- Analyze the industry experience and the achievements of the company
- Brands or clients that have supported to build blockchain applications
- Enquire about the team strength, any different domain experience, and time zone supported
- Review the customer feedback and rating about the blockchain developers
- Enquire about the software development process they follow and analyze whether it is the latest software development process, such as Agile, Scrum, etc
- Check whether they have an in-house team or an offshore team, which helps to identify the quality of their work.
- Check whether they have any portfolio on blockchain and whether they worked on permissioned or public blockchain
- Enquire how they support from the beginning of the software development process to the end phase or deployment phase of the blockchain application
Steps to Hire Blockchain Developers
Blockchain provides an outstanding amount of value for most of the businesses. But it’s you who determines its impact on your company or project. Don’t just implement blockchain for the sake of it. Do your research and go through case studies or creative ways people use blockchain in your industry.
You can decide whether you need a core developer or someone just capable of developing an app or software to work on an already existing blockchain, once you know your business needs.
Moreover, you should decide whether you need a freelancer, in-house, or an agency blockchain developer. If you are looking for someone for one-time projects, you can go for a freelancer. And if you need someone for long-term commitments, you can go with an agency.
You should create a compelling and well-researched job description to attract the best talent. If you are hiring a freelancer, clearly describe what the project implies, why you need a developer for the expected outcome. In addition, make sure to mention if they’ll be working as a team or solo.
Here, you need to define how you’re going to choose the right candidate, what particular skills and experience you expect them to have, and how you evaluate those skills. Besides, make sure to describe the soft skills you’re looking for to ensure whether they are fit for your company culture or not.
Further, you need a notion on how you will interview each candidate. You can go through some good interview questions online to guide you all along your way.
And finally, you are about to recruit someone whom you find perfect for your company, with all your preferred skills and deep knowledge on different programming languages and concepts.
Now, If the blockchain development companies or organizations need to be outstanding in their deliverables, they need to look out for the skilled blockchain developers for the company.
This article will provide you information on overall qualities that a blockchain developer should possess.
The perfect blockchain developer will know all the concepts in the blockchain development cycle, and that’s how they are connected.
Based on the above information, always choose the right blockchain developers to build your blockchain application.. And if you are a person who is looking for how to become a blockchain developer, check yourself on the above mentioned blockchain developer skills.
What is the first key step towards developing a blockchain solution?
Step one in blockchain development is to identify a use-case that makes business sense. The use case you select should match your business needs.
What are the factors that hinder the development of blockchain?
Various factors impede the adoption of blockchain technologies, including technological barriers, constraints rooted in organizations and the environment, and system-related governmental barriers.
How do I hire the best blockchain developer?
There are various freelance platforms for hiring Blockchain developers. Toptal and Arc.dev are the most popular platforms with a large talent pool, where you can find and hire the best blockchain developer for your project.
What are the skills of a blockchain developer?
One needs to acquire certain technical skills ahead of becoming a blockchain developer, such as: Programming Languages, Data Structures, Databases and Networking, Cryptography, etc.
Can I become a blockchain developer with no experience?
Any developer or software engineer with a background in technical development can become a blockchain developer, but they need to learn how to program using blockchain technology. You can take courses designed for blockchain and cryptocurrency developers.
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