How to Write Smart Contracts: The Definitive Course

Despite belonging to a nascent stage, the blockchain technology offers a plethora of intriguing possibilities for developers.

Although blockchain technology has gained immense popularity, it still has a few shortcomings in various industries, including but not limited to supply chains, automotive manufacturing and finance. The inception of cryptocurrencies like Bitcoin have created a tangible use for blockchain technology, which was originally developed in 2009 by Satoshi Nakamoto, the creator of Bitcoin.

The potential of blockchain technology to revolutionize the management of data and transactions in the digital sphere is enormous. Initially developed as a Bitcoin platform, its adaptability and security have captured the attention of additional industries and government entities, leading to the integration of this technology into their processes.

The growing field of blockchain development offers significant opportunities for career advancement and the prospect of working with emerging technologies, making it an excellent choice for those seeking a stimulating and gratifying career.

Acquiring a comprehensive comprehension of the basic principles of blockchain development is crucial for those interested in pursuing a career in the field. This article aims to offer a summary of the necessary skills and prerequisites for becoming a blockchain programmer as well as exploring the process of developing blockchain applications.

What Does a Blockchain Developer Exactly Do?

As a Blockchain Developer, my main responsibility is to utilize blockchain technology to tackle intricate problems such as command and control and high integrity. This requires extensive research, strategizing, designing, coding, debugging, and testing of blockchain-based applications and software that cater to specific hardware products and business technical services. Alongside, I am accountable for software development and operating system patching, as well as overseeing the selection of computers’ hardware. Moreover, I must possess expertise in one or more programming languages and platforms as I am required to operate on various computer systems.

As a Blockchain programmer, one must take into consideration the possible challenges that lie ahead. These may comprise limitations of current infrastructures and the technical intricacies involved in creating decentralized cryptosystems, which may require knowledge and experience beyond the scope of the usual IT developer’s skillset. Hence, the proficiency of a Blockchain developer may be challenging to come by.

Various Types of Blockchain Developers

Indispensable Blockchain Engineers

The role of Blockchain developers involves designing and enhancing blockchain networks. They formulate and refine protocols that authenticate blockchain applications. An example of such a protocol is the consensus protocol, which lays down the guidelines that all members of a blockchain network must adhere to while utilizing and distributing the network’s resources.

  • Furthermore, they possess the authority to make decisions regarding such matters.
  • They integrate the attributes and operations of the blockchain and ensure their proper functioning as intended.
  • They are responsible for formulating and implementing a plan to safeguard a network.
  • In simple terms, they ensure a functional network.
  • They formulate tactics for integrating blockchain networks with current services and subsequently implement those tactics.
  • Their objective is to improve a blockchain network’s functionalities.

Programmers Developing Blockchain Software

These blockchain developers collaborate with the core developers to construct and enhance the architecture of the blockchain.

  • Their specialty lies in developing Decentralized Applications (dApps).
  • Their job involves implementing the framework for smart contracts designed by the project’s core developers.
  • They ensure the proper functioning of decentralized applications.
  • Integrating the blockchain network with third-party services and applications, which includes researching and maintaining such connections.

Pioneers in Digital Transaction Protocol

Enterprise blockchain developers are accountable for a variety of tasks, including reviewing and creating smart contracts, communicating with customers and buyers, assessing business flows and security to detect any possible issues with smart contracts, researching smart contracts, and performing end-to-end testing of business processes.

Is Pursuing a Career as a Blockchain Developer Beneficial?

  • Common Query

    As per last year’s report by PwC, 84% of businesses are exploring the potential of blockchain technology due to its ground-breaking nature and promising future. But despite many companies considering the adoption of blockchain, only around 1% have put it into practice.
  • Attractive Salary Packages

    Studies reveal that the average annual income for blockchain engineers in the United States ranges between $150,000 to $175,000. This highlights the fact that blockchain developers can earn some of the most competitive salaries in the industry. Those with extensive expertise and skills can expect to receive even higher salaries.
  • Upgrades to the Digital Identification System and Security Measures

    Blockchain technology has the potential to provide businesses with more secure systems and platforms than non-blockchain systems. Utilizing digital IDs and other tools based on blockchain technology can potentially bring cost and time savings for both new blockchain startups and established businesses.

      What are the Steps to Launch a Career as a Blockchain Developer?

      As the need for Blockchain developers is on the rise, it is crucial to equip individuals with the necessary knowledge and skills. In this context, there are two distinct groups of individuals. Firstly, those who are new to the field and have not written any code before. Secondly, those who come with prior experience in other domains. Training programs should cater to the requirements of both these groups.

      What are the Essential Personality Traits for Succeeding in Blockchain Development?

      Before delving into the two types of individuals seeking to pursue a career in Blockchain development, it is important to comprehend the suitable mindsets for Blockchain developers. This field requires a unique way of thinking owing to its distinctive challenges.

      Ethical hackers aside, no respectable company wants to collaborate with hackers, and the word “hacker” is seldom used favourably. Nonetheless, in order to promote the development of skilled Blockchain engineers, it is crucial to instill a hacker’s mindset. Hackers have a reputation for adopting unconventional problem-solving approaches when grappling with challenges.

      Furthermore, effective communication and interpersonal abilities are imperative for a skilled Blockchain engineer. An ideal Blockchain developer is someone who can differentiate between seeking assistance and persevering in their endeavor to find solutions.

      In conclusion, an ideal candidate for Blockchain development should possess robust interpersonal abilities, display self-awareness, and approach challenges with a creative mindset.

      What are the Necessary Qualifications to Pursue a Career as a Blockchain Developer?

      1. Thorough Knowledge of Blockchain Technology

      Undoubtedly, this does not require any evidence. In order to establish yourself as a blockchain developer, you must have a sound comprehension of how decentralized networks operate.

      To sum up, the blockchain is a decentralized ledger that guarantees secure and unalterable recording of all transactions. By functioning through a decentralized peer-to-peer network, it eliminates the necessity of a third-party intermediary. Consequently, it is a perfect choice for businesses seeking to enhance efficiency and save expenses.

      Hence, ensure the presence of these skills prior to making a decision to recruit a blockchain developer.

      2. Proficiency in Multiple Advanced Programming Languages

      C++, Go, C#, JavaScript, Solidity, Python, Ruby, and Java are among the most commonly used programming languages for blockchain development. C++ was the original language used to write Bitcoin, the first extensively accepted cryptocurrency.

      All of these programming languages are general-purpose languages that blockchain developers can employ for various applications, with the exception of Solidity, which is exclusive to Ethereum.

      Under all circumstances, an exceptional blockchain developer should be adept in at least one of these programming languages.

      3. Proficiency in Cryptography and Security Principles

      As blockchain technology has a high degree of security due to its dependence on encryption, it is thereby vital for any blockchain developer to have expertise in cryptography and security.

      Cryptography is the favoured method of data encryption, which renders it almost unfeasible to decipher. In data transmission, encryption ensures that data is safeguarded against being intercepted by third parties during transmission. Essentially, cryptography enables secure data transmission without requiring a centralised, trusted third-party.

      As the use of blockchain technology continues to grow, the demand for developers with specialized knowledge in this area is expected to increase significantly. Consequently, businesses should verify that any potential blockchain developer they hire possesses the essential skillset and abilities.

      4. Thorough comprehension of P2P Systems and Networking

      Distributed systems are computer networks that facilitate communication between users. In simpler terms, there is no central computing system or any individual point of failure in this architecture, and all components operate independently.

      As a blockchain network lacks a hierarchical structure, and all nodes are on the same footing, there is no singular vulnerability point, possibility of communication failure or centralised limitations. It is crucial to comprehend these fundamental concepts to become a blockchain programmer.

      5. Understanding of Digital Transactions

      In a self-executing smart contract, the agreement terms between the involved parties are written directly into the program.

      Electronic contracts are legally binding agreements between two or more parties that are documented digitally and comprise all relevant terms and conditions. Once implemented, the contract operates independently without any requirement for external intervention.

      Smart contracts are a distinctive feature of blockchain technology that differentiates it from conventional database systems. This is one of its most noteworthy abilities.

      There is an expected rise in demand for blockchain engineers who possess the skillset to develop smart contracts in the upcoming years. Given the significance of this attribute, it is vital to take this into account when seeking employment as a blockchain engineer.

      Proficiency in Algorithms and Data Structures

      It is crucial for every blockchain developer to possess the skills to design algorithms for the following scenarios:

      • Maintaining the integrity of the blockchain depends on the requirement to guarantee a balanced verification of recent transactions.
      • Producing software that employs information stored in blockchains, establishing consensus procedures, and certifying electronic signatures can help accomplish this objective.

      Navigating the path to building a thriving and financially stable career as a Blockchain Developer can be daunting. To provide clear guidance, let us examine the vital steps to become a Blockchain Developer.

      What measures should I adopt to create a reputation for myself in the blockchain development community?

      • Begin with Education

        A formal education in computer science or information technology is a prerequisite for entering the field of Blockchain Development. Possessing a Bachelor’s or Master’s degree in a related subject can give a significant advantage. Although there isn’t a specific educational requirement, having a comprehensive grasp of computer science, mathematics and programming can provide a solid foundation. Additionally, attending recognized training programs and acquiring supplementary certifications is an excellent method to obtain further exposure to the technology. These qualifications are typically mandatory for most major IT companies, which makes obtaining them a doorway to various job opportunities.
      • Acquire Relevant Technical Proficiencies

        Prior to venturing into a career in Blockchain Development, possessing an array of technical skills is crucial. The previous section emphasizes the technical competencies necessary for a flourishing career in this domain. Coding, databases, data structures, and cryptography are some of the crucial components that one must be proficient in.
      • Cultivate a Hacker Mindset

        Given the uncertainty surrounding the future of blockchain technology, with very few people capable of predicting the kind of revolutionary apps that will be established in the coming years, it is natural for blockchain engineers to embrace a hacker mentality. They tackle the challenge of developing solutions to previously unsolved problems by persistently experimenting, exploring new paths, and seeking innovative solutions to the issues they encounter on a daily basis.
      • Create an Impressive Resume or CV

        Displaying your finest work in your portfolio is essential to showcase your commitment and the outcomes you have delivered for clients. In order to showcase the essential skills required to succeed as a blockchain engineer, your portfolio should comprise of examples such as case studies, testimonials, data-driven results, photographs, charts, work samples, and mock-ups.
      • Engage in Online Communities with Similar Interests

        Participating in virtual groups of blockchain developers and experts can be advantageous in terms of gaining more knowledge about the technology and establishing crucial connections in the field. Furthermore, these communities may function as a valuable resource in discovering potential job opportunities in blockchain development. Thus, it can be an excellent way to kickstart a career in blockchain engineering.

              There Are Numerous Online Resources to Discover Employment:

              • LinkedIn
              • Works
              • Upwork
              • Indeed

              Are you beginning from the beginning to acquire knowledge on how to create blockchain applications?

              Platforms such as Coursera, Udemy, Skillshare, and Udacity provide immersive and fast-paced courses in programming languages like Java, Javascript, Python, and Swift. To become adept as a blockchain developer, it is crucial to have a good grasp of these programming languages.

              It is estimated that there are tens of thousands of free online courses accessible to individuals who desire to learn the fundamentals of programming languages. Also, proficient programmers can take advantage of these teaching websites’ courses.

              If you are keen on enrolling in any courses, below are some recommendations:

              • Join the Blockchain Development Team.
              • The Definitive Beginner’s Guide to Blockchain, 2023
              • Essential Blockchain Concepts

              To Conclude

              Becoming a specialist in blockchain programming demands a considerable dedication of time and energy. It is not a job that can be completed quickly; instead, it necessitates thousands of hours of learning and training.

              Suppose you are contemplating a career change. In that case, it might be advantageous to commence studying the essential skills required to become a blockchain developer. Although the process may be difficult due to the recent introduction of this technology, it is crucial to stay focused and not disheartened if advancement appears to be gradual.

              To become a blockchain developer, it is crucial to stay up-to-date with the newest advancements and patterns in the industry. Besides, becoming a member of relevant online groups and networks can aid in enhancing comprehension and awareness of the technology. Commitment and diligence are also pivotal to triumph, so ensure to continue driving yourself.

              Soon, marvellous things will occur. Can’t you envision it?

              Best regards, and have a fantastic day tinkering!

              Join the Top 1% of Remote Developers and Designers

              Works connects the top 1% of remote developers and designers with the leading brands and startups around the world. We focus on sophisticated, challenging tier-one projects which require highly skilled talent and problem solvers.
              seasoned project manager reviewing remote software engineer's progress on software development project, hired from Works blog.join_marketplace.your_wayexperienced remote UI / UX designer working remotely at home while working on UI / UX & product design projects on Works blog.join_marketplace.freelance_jobs