With an average salary of $154k per year and steady job growth, now is the ideal time to learn blockchain development. To create and improve blockchain technologies, blockchain developers exercise various skills, including computer networking, cryptography, algorithms, and data structures. These developers are responsible for designing blockchain technology centered around a specific business model, then building, launching, and maintaining a blockchain network. To accomplish this, they must develop protocols, craft the architecture of blockchain systems, and develop smart contracts and other web applications using blockchain technology. Additional responsibilities include:
Evaluating applications for new tools and technologies as they evolve.
Maintaining client/server-side applications used for integration and business logic.
Staying up-to-date with new developments in the blockchain community.
What is a blockchain?
The exact definition of a blockchain is a system in which a record of transactions made in cryptocurrency is maintained across several computers linked in a peer-to-peer network (Oxford Languages). Blockchain is the technology that supports cryptocurrencies and allows them to work in a decentralized fashion.
Who is hiring blockchain developers?
In recent years, many fortune 500 companies, including IBM, Accenture, Capgemini, JP Morgan Chase, and Microsoft have expressed a need for proficient blockchain developers. With cryptocurrencies gaining more traction, influence, and credibility, there has never been a better time to become a certified blockchain developer.
Two types of developers:
Core blockchain developers research, design, and develop the architecture, security patterns, and protocols or blockchain technologies. They essentially supervise their entire blockchain network.
Blockchain software developers create decentralized applications (DApps), web applications, and smart contracts using core web foundation architecture built by the core developer/architect. They also oversee backend development pertaining to blockchain and supervision of the stack running their DApps.
DApps
Backend development of DApps includes using Solidity language, the official language of the Ethereum platform, to communicate to the blockchain for data and transactions.
For frontend development, use Python or JavaScript for interaction with the Ethereum blockchain.
How do I get started?
As stated earlier, blockchain developers use a variety of skills required to maintain their blockchain network securely and efficiently. Some of these skills include:
Blockchain Architecture
Right off the bat, blockchain developers should be well-versed in cryptographic hash functions, consensus, and distributed ledger technology. To familiarize yourself with these technologies, a great resource to start with is the bitcoin blockchain whitepaper.
Data Structures
Blockchain developers consistently experiment with varying data structures to see which one works best with their specific network functions.
Cryptography
Many cryptographic practices are employed to develop blockchain networks, such as hash functions and asynchronous cryptography (for digital signatures).
Smart Contracts
Since the release of Ethereum, smart contracts have become a common practice. Most blockchains today incorporate smart contract functionality into their systems to apply business logic to the blockchain network. To learn and master smart contract development, you should learn network-oriented languages such as Solidity, Viper, and Chaincode.
Web Development
Web development is arguably the most crucial skill you can exercise in blockchain development. When you’re starting your career as a blockchain developer, most of your responsibilities will include the basic design of decentralized applications. To accomplish this, you must be proficient in front-end and back-end web development. This includes, but is not limited to, creating interactive graphical user interfaces for DApps, API handling, and request handling.
Sites, where you can learn solidity language, include cryptozombies.io, where you can learn by building fun crypto-collectibles games, Udemy.com, edureka.co, and ethereum.org.
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