Working with blockchain technology can be an exciting opportunity. Explore the career of a Solidity developer with the guide below.
Key takeaways
A Solidity developer is a blockchain developer who focuses on smart contracts dealing with Ethereum-based applications.
According to Glassdoor, a Solidity developer earns a median total salary of $95,000 per year [1].
A solidity developer needs to have blockchain expertise and an understanding of cybersecurity.
You can prepare yourself for a career in blockchain technology by learning about cryptography.
Explore the role and requirements of a Solidity developer, also known as a smart contract engineer. If you’d like to begin building your software development skills, enroll in the IBM Full-Stack JavaScript Developer Professional Certificate, where in as little as four months, you can learn about software architecture, JavaScript, application deployment, and more.
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Introduction to blockchains
Blockchains are a type of database. They store and maintain information electronically. An example of a database you might encounter daily is your favorite streaming service. Traditional databases like Netflix organize data into columns and rows, forming tables that computer systems can process. Blockchains differ from traditional databases because they don't use tables to organize information. Instead, blockchains collect and digitally format information into clusters or blocks.
Blockchain blocks store a finite amount of information. When a block reaches capacity, it closes and links to the one filled before it. As each block links to another, they create a chain of information. Cryptography enables each link to be documented with unchangeable time stamps. This permanent record is public because a blockchain is a shared network. Public, immutable documentation allows blockchain users to validate information like transactions.
Blockchain development
Blockchain development refers to designing, developing, and testing of blockchain systems and applications. There are two varieties of blockchain developers: core and software. Core blockchain developers work on blockchain systems. They focus on blockchain architecture, protocols, and security. In contrast, blockchain software developers focus on developing applications and programs for blockchain platforms. A Solidity developer is a blockchain software developer.
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What is Solidity?
Solidity is a programming language. Developers use programming languages to communicate instructions to computers. For example, imagine that computers can only understand German words. In that case, anyone who wants to use a computer would need to learn how to speak German. Computers don't speak just one language, however. They may require developers to use specific programming languages to request certain tasks. An example of this concept would be using one language to work on an application's functionality and another on its design.
Solidity use cases
The Ethereum network team created Solidity. Ethereum is a blockchain software platform. It's the second-largest medium for cryptocurrency exchange after Bitcoin. The Ethereum network team created Solidity to design and develop smart contracts. Smart contracts, like regular contracts, represent agreements between two parties. They contain terms and conditions just like an ordinary paper contract. The difference between smart contracts and traditional contracts is that smart contracts are programs on a blockchain. These programs ensure compliance with the terms of an agreement by only running when the contract requirements have been met.
What is a Solidity developer?
A Solidity developer is a blockchain developer who works with smart contracts on Ethereum-based applications. A Solidity developer job description may include:
Developing and deploying smart contracts
Auditing smart contracts
Communicating with users to translate business goals into technical requirements
Essential skills for solidity developer jobs
It’s important for Solidity developers to be well-informed regarding the following areas of expertise:
1. Technical skills: Foundational knowledge of popular programming languages and tools is essential for Solidity developers. Solidity is influenced by popular programming languages like C++, Python, and JavaScript [2]. Aspiring Solidity developers who don't yet have any programming expertise may benefit from an introductory course like Learn to Program: The Fundamentals.
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2. Cybersecurity: Smart contracts may involve large sums of money and sensitive information. Solidity developers must learn security fundamentals to protect their clients’ data. Learn more about smart contract security with a course specialization like Decentralized Finance (DeFi) Opportunities and Risks.
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3. Blockchain expertise: Solidity developers must have a thorough understanding of blockchain technology. As mentioned above, Solidity was specially developed for use on the blockchain software platform Ethereum. For an introduction to blockchain technology and its applications, consider earning a certificate in Blockchain: Foundations and Use Cases.
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How much do Solidity developers make?
A Solidity developer earns a median total salary of $95,000, according to Glassdoor [1]. This figure includes base salary and additional pay, which may represent profit-sharing, commissions, bonuses, or other compensation. Jobs in the software development industry are projected to grow 15 percent between 2024 and 2034 [3].
How to become a Solidity developer
The first step you take toward becoming a Solidity developer depends on your current background. If you're brand new to the field, it's crucial that you gain software development experience first. Recent computer science graduates or those transitioning from a related role may focus instead on a blockchain specialization. The following sections explore relevant degrees, courses, and certifications. When you are ready to start, consider using them to prepare for your first job as a Solidity developer.
Degrees
Employers do not always require blockchain developers to have a degree, but it can be highly beneficial for building your resume and foundational expertise. Aspiring smart contract engineers may consider pursuing a Master of Computer Science. Solidity developers can also benefit from obtaining a degree in a related field, like information security.
Continuing education for Solidity developers
Course specializations and Professional Certificates can also help you gain the credentials you need for a role in smart contract engineering. If you haven’t yet gained the essential skills above, start there. Otherwise, the list below matches key Solidity development concepts to courses you can use to master them.
Cryptography
Cryptography is a critical component of blockchain security. It’s one of the tools Solidity developers use to protect vital information. Learn more about cryptographic systems and how to use them with Cryptography I, offered by Stanford University.
Decentralized finance infrastructure (DeFi)
Learning about DeFi infrastructure will provide you with the context to understand advanced development concepts. With a course like Duke University’s Decentralized Finance (DeFi) Infrastructure, you can broaden your expertise in blockchain technology, smart contracts, decentralized applications (DApps), and the mechanics of Ethereum.
Decentralized applications (DApps)
Many blockchain developers work on decentralized applications (DApps.) DApps are programs or applications that exist on a peer-to-peer, open-source blockchain network. Like traditional applications, they exist for a variety of reasons, including networking, gaming, and finance. Unlike traditional applications, DApps are not controlled by a single organization.
For example, X is owned and operated by the X corporation. Users can create their own profiles, but they can’t control elements like content removal or sensitivity flagging. DApps are free from any single entity’s control. Not even the DApp’s creators have centralized power over its content. Master the skills you need to develop decentralized applications with the Decentralized Applications (DApps) course offered by the University at Buffalo, The State University of New York.
