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Cryptogambling / How to Become a Blockchain Developer: A Comprehensive Overview

How to Become a Blockchain Developer: A Comprehensive Overview

Jonas Blackwood
Jonas Blackwood
Publish Date: 28/04/2023

Blockchain development has recently received considerable media coverage. Becoming a blockchain developer offers exciting career prospects; in this article we provide guidance to get you on your way and equip you with all of the knowledge and resources required for success as a blockchain developer.

As a blockchain developer, it’s imperative that you understand its fundamentals and its revolutionary impact across various industries. As part of your work as a developer, you will focus on designing decentralized apps and developing secure data exchange mechanisms with transparent systems – an experience ideally gained via computer science courses such as programming or cryptography, although alternative paths exist for gaining these abilities and expertise.

Stepping up to become a blockchain developer means developing an in-depth knowledge of various programming languages, tools and platforms relevant to blockchain development – such as Solidity and Hyperledger Fabric – before taking steps such as attending courses or certification exams to expand on this knowledge and expand upon your skill set. In-person programs or coding bootcamps offer intensive, short-term learning experiences lasting between 12-16 weeks.

Understanding Blockchain Technology

As part of any blockchain development endeavor, it’s critical that developers gain a comprehensive knowledge of blockchain technology and all its aspects – this includes decentralized apps, blockchain platforms and differences between public and private blockchains.

Decentralized Applications

Decentralized apps (DApps) are applications that run on a distributed ledger without being administered centrally, offering various advantages like increased security, reliability and transparency. Furthermore, in a DApp the backend code runs across an individual decentralized network instead of on one central server which creates a more resilient and censorship-resistant system.

Blockchain Platforms

There are various blockchain platforms that can assist developers and deployers alike when creating or deploying blockchain applications, including:

  • Ethereum is a widely-used platform for creating smart contracts and DApps.
  • Hyperledger provides open-source support for building private and consortium blockchains for enterprises.
  • Stellar serves as a financial application development, payments processing, and cross-border transaction platform.

As a developer of blockchain projects, it is imperative that you familiarize yourself with each platform to select one suitable to your requirements and specifications. As it pertains to features, consensus protocols and programming languages suited for specific use cases or use cases – each platform provides something special when choosing its respective blockchain project platform! Getting to know these platforms fully before selecting an ideal option.

Public and Private Blockchains

Blockchains can be divided into public and private categories depending on their access level and participant roles.

Public blockchains are open networks that permit anyone to join, read and write data onto them. Operating as decentralized distributed ledgers that operate using various protocols like Proof of Work or Stake, these public chains include Bitcoin and Ethereum as examples of public chains.

Private blockchains, on the other hand, are restricted to an exclusive group of participants – often organizations or consortiums – who require permission before joining. They offer an efficient yet controlled environment compared to public ones – two examples being Hyperledger Fabric and Corda.

Understanding the differences between public and private blockchains will enable you to select the ideal architecture for your project and direct development efforts in an effective direction.

Understanding Your Choices of Blockchain Developer Types

Establishing yourself as a blockchain developer involves choosing from one of two major categories – core blockchain developers or software blockchain developers – with each having distinct roles and responsibilities within blockchain development careers. Understanding their roles will assist with making an informed decision when selecting which path you will take to success as an emerging developer of the technology.

Core Blockchain Developers

As a core blockchain developer, your primary responsibility will be designing and overseeing the architecture of blockchain systems. Your role will include designing protocols, developing security patterns, and overseeing network operations as a whole. Core blockchain developers play an essential part in maintaining this technology ecosystem.

Blockchain Software Developers

As a blockchain software developer, your main objective will be developing applications and solutions that interact with blockchains such as smart contracts or decentralized applications (DApps) while working closely with core blockchain developers in order to integrate your applications seamlessly with its architecture.

Core blockchain developers and software blockchain developers play integral roles in providing blockchain technology and solutions across numerous industries. Once you decide the type of developer you wish to become, focus on building up relevant skillset and knowledge necessary for excelling in that particular field.

Essential Skills and Knowledge for Blockchain Developers

To become an accomplished blockchain developer, a firm foundation in essential skills and knowledge must be present. Here we explore some areas for focus during your learning journey.

Programming Languages

Blockchain developers must possess extensive expertise with multiple programming languages, such as C++, Java, JavaScript, Python, Solidity and Rust. For work on decentralized applications (dApps), especially familiarity with Ethereum’s smart contract language Solidity can prove crucial.

Data Structures and Algorithms

A strong grasp of data structures and algorithms is fundamental for successful blockchain development. Common structures like linked lists, heaps and hashing form the backbone of blockchain technology while knowledge of databases plays a pivotal role since blockchain acts as decentralized database storage medium.


Blockchain development relies heavily on cryptography for data security and integrity. Familiarity with hash functions, encryption algorithms and digital signatures is vital in developing secure blockchain apps that meet stringent regulations.

Networking and Security

A blockchain developer‘s understanding of network protocols and cybersecurity are paramount for developing secure and scalable systems. Networks play an essential part in how decentralized networks operate; mastering its concepts helps reduce vulnerabilities while improving system functionality overall.

Blockchain Frameworks and Tools

As an aspiring blockchain developer, familiarizing yourself with various blockchain frameworks and tools is of crucial importance. Here we cover some of the more popular frameworks such as Ethereum, Hyperledger, EOS and NEO to get you up to speed quickly.


Ethereum is one of the leading blockchain platforms used for developing decentralized applications (DApps) and smart contracts. To work effectively on it, however, one needs a firm grasp of Solidity programming language – its native programming language used. Ethereum provides numerous tools and technologies including:

  • Truffle – A popular development framework for Ethereum.
  • MetaMask – An extension for managing and using DApps within Ethereum accounts and browser extensions, along with Dapp management services like MetaMask.
  • Web3.js – A JavaScript library used for interfacing with the Ethereum blockchain.


Hyperledger, another prominent blockchain framework designed for enterprise use cases, features several protocols and platforms including Hyperledger Fabric which serves as a permissioned blockchain infrastructure allowing business networks to scale securely over time. When working with Hyperledger it’s essential that key aspects like these be learned as they relate directly to business networks’ growth:

  • Chaincode – An programming model used for writing smart contracts written in various programming languages such as Go, JavaScript and Java.
  • Composer – A development framework used for building and deploying blockchain applications onto Hyperledger Fabric.
  • Hyperledger Fabric Explorer – An interactive application used to monitor and oversee transactions within Hyperledger Fabric networks.


EOS (Ethereum Operating System) is an innovative blockchain platform developed specifically to accommodate large-scale apps. EOS’ goal is to offer fast and secure transactions while offering users an exceptional user experience. To become proficient with EOS, one must understand:

EOSIO is the software powering EOS Blockchain. C++ is used as the main programming language when developing EOS smart contracts and CLEOS provides command line interface tooling to interact with its blockchain.

NEO (New Economy Organization)

Lastly, as a developer you should become acquainted with NEO as it offers an agile blockchain framework focused on decentralised applications. As its focus lies within creating a scalable network of distributed apps you should become knowledgeable with its key technologies:

NEO supports multiple programming languages for writing smart contracts – C#, Python and JavaScript are examples – to write smart contracts on its blockchain network. NEO Toolkit – NEO offers development tools designed to ease the creation process for DApps on its network.Neo-python is a Python SDK to access the NEO blockchain.

Learn the fundamental frameworks and tools of blockchains so you can develop and deploy applications using decentralized technologies.

Learning Path and Resources for Blockchain Developers

In order to become a blockchain developer, it is vitally important that you explore various learning paths and resources to expand your knowledge and abilities. Here we discuss online courses, certifications, bootcamps, blogs and communities which may aid your journey on this journey.

Online Courses

Beginning to expand your blockchain knowledge is made simple through online courses offered through platforms like Coursera and Microsoft Learn, both offering comprehensive beginner-friendly classes on blockchain fundamentals, smart contract development, various programming languages and much more. Most classes also include videos tutorials as well as quizzes to measure progress along your learning path.


Blockchain developer certifications are an effective way to validate your skills and advance your career prospects as a blockchain developer. Many renowned organizations such as 101 Blockchains provide certification programs; their career path spans five courses for over 14 hours of education covering essential blockchain developer topics.


Bootcamps provide an immersive learning experience tailored specifically for aspiring blockchain developers. These programs simulate real-life industry projects and challenges to give participants hands-on experience collaborating with peers as they complete projects together. Bootcamps typically cover core skills including computer science, blockchain technology and programming languages.

Blogs and Communities

Engaging with blogs and online communities is a great way to stay current on developments within blockchain technology, learn from peers, share knowledge with one another, and collaborate on projects. Popular blockchain blogs such as CoinDesk and Cointelegraph feature content while active communities such as Reddit or Ethereum Forum offer up a platform where active blockchain discussions take place.

To be successful in blockchain development, it’s key to use different resources and customize your learning path according to your interests and strengths. Here are a few resources which could provide a strong basis for starting out as a blockchain developer.

Real-World Applications

Being a blockchain developer means understanding its real-world applications in various industries. Here we discuss them further to assist your learning.


One of the best-known applications of blockchain technology is cryptocurrency. Bitcoin was one of the pioneering digital currencies built upon it; as its digital ledger enabled trustless transactions and decentralized finance (DeFi). If you work as a developer using this blockchain tech, creating new cryptocurrencies or improving existing ones and even creating deFi applications that eliminate traditional financial intermediaries may all become possible!

Financial Services

Blockchain has immense potential in revolutionizing the financial services sector by creating secure, transparent transactions. Developers can utilize it to develop banking solutions, streamline cross-border payments, automate settlements and even develop investment platforms based on blockchain. Working in this sector enables you to implement global innovations utilizing this innovative technology.

Supply Chain

Supply chain management can gain great benefit from blockchain technology. Blockchain can improve traceability, fraud detection, and transparency within global logistics networks. Your expertise in developing blockchain applications could enable businesses to track goods from source to destination with greater ease while building trust among all parties involved in supply chains and building resilience among stakeholders.

Real Estate

Blockchain holds enormous promise to transform the real estate industry with increased transparency, security and efficiency in the market. Developers may create projects using blockchain that tokenize property ownership rights or manage land registries or enable decentralized platforms for buying or selling property – helping break down barriers to entry in this competitive industry and foster more accessible digital experiences for consumers.

Non-Fungible Tokens

Non-fungible tokens (NFTs) have gained immense traction within digital art and collectibles circles, drawing particular interest among blockchain developers who specialize in this space. As an NFT developer, you can develop platforms for creating, trading and managing NFTs – giving artists and collectors alike access to them – using blockchain’s unique capabilities for creation, trading and management purposes; expanding opportunities across gaming media fashion sectors alike.

Job Market and Salaries

a man with a laptop and money flying around him

As you consider entering the realm of blockchain development, it’s crucial that you gain an understanding of its job market and potential income sources. According to research in the United States conducted in 2018, median entry-level blockchain developer salaries between three to five years of experience typically fall between $53,000 and $272,000 annually.

Experienced blockchain developers (those with four to six years under their belts), however, could see median salaries reach much higher numbers. However, these estimates represent estimates, so actual salaries could differ based on geographic location, employer preference and skill sets.

As your first steps toward becoming a blockchain developer, the focus must be on sharpening coding abilities and gathering experience in this field. Many developers begin their careers by earning degrees in computer science or information technology or earning certifications in popular programming languages.


For anyone aspiring to become a successful Blockchain Developer, understanding its fundamentals – such as architecture and functionality. Furthermore, understanding any security considerations involved should not be neglected either.

Begin your blockchain career by dedicating both time and resources to education; study various programming languages like JavaScript which is widely utilized by blockchain developers. Do not expect immediate results as patience and perseverance are vital components in this industry.

Enhance your skills further by working on real-world projects and collaborating with experienced professionals. Online resources like Blockgeeks and Coursera offer courses and tutorials designed to expand knowledge while honing blockchain development abilities.

Becoming an accomplished Blockchain Developer depends upon your motivation, dedication, and constant learning. Stay abreast of new industry developments to stay ahead of the game; your hard work combined with this strategy should lead to an enjoyable career in blockchain tech!

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