In order to understand the roles and responsibilities of a blockchain developer, it is important to know that blockchain developers can be categorized as Core Blockchain Developers and Blockchain Software Developers.
A core blockchain developer designs the security and the architecture of the proposed Blockchain system. Simply put, they are responsible for creating the foundation upon which blockchain software developers will then build upon.
These software developers use the core web architecture built by the Developer to create apps, specifically the decentralized (dapps) and web varieties. Of course, there could be situations where the same person fulfills both roles, most likely in cases where the business is small, and people traditionally wear more than one hat. Whatever the case, the most significant roles and responsibilities of a Blockchain developer are:
● Designing the Blockchain protocols
● Designing the network architecture that can be used for centralizing or decentralizing the data
● Backend development according to the Blockchain protocols
● Developing front-end designs according to client requirements
● Developing and monitoring any smart contracts
Their responsibilities also include developing innovative solutions to challenging problems, including solutions for command and control, and high integrity. The developers also perform complex analysis, design, development, testing, and computer software debugging, specifically for distinct product hardware or for technical service lines of businesses. They also develop and perform software design, operating architecture integration, and computer system selection. Finally, they operate on multiple systems and apply knowledge of one or more platforms and programming languages.
Blockchain developers also need to face several obstacles as well. For instance, the developers have to work with legacy infrastructure and its limitations, while still meeting the expectations inherent in a Blockchain development project. Also, there are the challenges of understanding the technical practicality of implementing decentralized cryptosystems, processes that fall outside of the traditional IT development skill-set, which means a Blockchain developer needs specialized skills.
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