Since its debut one and a half decades back, Blockchain technology has made waves across the globe. A promising technology that once only powered Bitcoin cryptocurrency today has been adopted widely across a wide range of industries further pushing its advancement and ultimately the demand for skilled professionals in IT such as developers and software engineers with Blockchain training. Blockchain development skills will not only be in high demand soon, but they will also be a necessity for businesses that need to enhance the security and compliance of their data and operations.
Blockchain is a decentralized ledger of transactions distributed across a peer-to-peer network of computers. Blockchain technology is hailed for enabling highly secure and immutable transaction records while also eliminating any possible single point of failure. Records in blockchain are stored in blocks organized in order of their time of entry and linked to each other by a hash function. Hashing is the function that makes transactions in blockchain immutable, in other words, impossible to alter once the transactions have been entered and validated. Blockchain developers play an important role in building Blockchain-powered applications.
Who are Blockchain developers?
A blockchain developer is an IT professional who develops decentralized applications that run on the blockchain network or the blockchain network itself. Common categories of applications that have benefited from blockchain technology include applications for storing and sharing medical data, personal identity, NFT market, supply chain, and logistics monitoring, cross-border payments, and voting systems and applications.
A blockchain developer has in-depth knowledge of the architecture and workings of blockchain-powered systems and demonstrates an ability to implement blockchain features or components into a system.
Roles and responsibilities of blockchain developers
Blockchain developers are responsible for developing and maintaining secure blockchain networks, applications that run on the blockchain network, or both.
They may be called upon to work together with the software engineer or systems analyst to help with the design phase of applications or networks and analyze existing systems and applications. Other blockchain developer roles include:
- Working with managers and other stakeholders to determine the requirements and functionalities of blockchain technology in the organization
- Designing, developing, and distributing blockchain network decentralized applications, application features, interfaces, consensus protocols, and other customized blockchain technologies.
- Evaluating and recommending new blockchain technologies, tools, and features to be integrated into a blockchain network, system, or application
- They test, monitor, and maintain the blockchain network, decentralized applications, server-side and client-side systems, smart contracts, and other system components. They find ways of optimizing the performance of these systems.
- They are responsible for the security, governance, and compliance of blockchain systems using such mechanisms as cryptographic hashes and digital signatures
- They document processes and data protection best practices
Top blockchain developer skills
The most important skills for a blockchain developer are those that help him/her implement blockchain technology. These are:
- In-depth knowledge of blockchain architecture
- Extensive knowledge of data structures and algorithms
- Solid foundation in cryptography and blockchain protocols including concepts like digital wallets. Keys, digital signatures, and cryptographic hash functions
- Knowledge of smart contracts
- Data structures including Merkel Trees, hash trees, Patricia keys, heaps, and graphs
- Front and backend development
- Knowledge of blockchain best practices, data management, and protection
- Excellent communication and collaboration skills
- Organization skills and attention to detail
How to write a winning blockchain developer resume
A good resume can unlock doors of career advancement thus it needs to highlight your expertise, show your value, and demonstrate that you are a great match for the position you are applying for.
What makes a good blockchain developer resume?
- A powerful professional summary or objective statement
Beginners without much experience in the field may well write an objective statement. A professional summary is a great resume introduction for people with some experience who want to highlight their general achievements in relation to what they are bringing to the table.
- Skills section
The skills section is equally, if not more important than other sections of your resume. For a technical role such as the developer role, be sure to indicate the required developer skills including the specific programming languages and frameworks that you have used as well as front-end and back-end development. Also, include skills specific to the blockchain developer role listed above and relevant soft skills.
- Experience section
Here you list the roles you have handled in the past, specific achievements for the roles you have held, as well as the challenges you experienced and how you handled them. Your experience section should match the recruiter’s requirements. Be sure that your resume captures the keywords in the recruiter’s advertisement for the role.
- Education background
A blockchain developer typically has a bachelor’s degree in information technology, information science, information security, computer science, or related qualification.
Some also have earned relevant certifications such as:
Certified blockchain developer, certified blockchain expert, Certified Enterprise Blockchain Architect (CEBA)
- Your resume formatting
Your resume should be set at ½ to 1-inch away from the margin. Type using font size 12 of professional fonts like Times New Roman, Arial, Tahoma, or Georgia. Also, your resume should use the portrait orientation
Most importantly, remember that this is a technical role. As such your resume style should reflect the role that you are applying for. For instance, a fancy resume is a no-no for a technical role. Consider writing a functional resume that highlights your qualifications, skills, and experience.
- Your resume length
Your resume should be 1-2 pages at most yet still be concise, capturing all the right details that match the recruiter’s requirements.
Blockchain developer resume example
Email address: [email protected]
Phone number: 555-555-5555
Professional blockchain developer bringing 10 years proficiency in blockchain technology specifically Ethereum Blockchain and various consensus protocols and cryptocurrencies. John is an active leader with excellent communication and high-level organization skills and is looking to drive results in the capacity of a blockchain developer.
- Blockchain: Consensus algorithms and distributed ledger technology
- Cryptography: Encryption and Decryption using symmetric and asymmetric algorithms, hash functions, and Digital Signatures
- Front- and back-end web technologies: HTML5, XML, JSON, Node JS, CSS3
- Web/Application Servers: GlassFish, Apache Tomcat, WebSphere
- Frameworks and technologies: Hibernate, Struts, J2EE, Jakarta servlet, JUnit, log4j
- Database: Oracle 9 & 10g, PL/SQL
- Operating Systems: Windows XP/2000, UNIX
- Teamwork and collaboration
- Analysis and a keen eye for detail
- Critical-thinking and problem-solving
Masars Solutions – Senior IT backend developer
04/2019 – Current
- Enhancing functional performance, fixing bugs, and integrating features in products
- Designing and developing PL/SQL stored program features for data management and maintenance in Oracle
- Working with junior developers in the development of code and customization to serve the organization’s specific requirements.
- Server-side development and implementation of the MVC (Model View Control) architecture using Spring and Java language
TRIP Logistics, NJ – Blockchain Developer
01/2014 – 02/2019
- Worked with other team members in the development, testing, and implementation of blockchain applications
- Development and implementation of smart contracts with Truffle
- Conducted initial client assessment and analysis for research
Technologies: Solidity, Truffle
Linksoft Technologies – Intern
07/2013 – 12/2013
- Developing REST-based APIs for user interface
- Assisted with writing and deploying smart contracts with Solidity language on Ethereum
09/2009 – 05/2013 – Bachelor’s of Computer Science and Engineering
02/2013 – 06/2013 – Certified Blockchain Developer
Achievements and awards
New Jersey City University – FinTech society
2012, New Jersey City University Tech Innovation Award
2012, Runners-Up in the inter-state UI development award
Blockchain developers wear many hats from front-end developers, server-side developers, dApps developers, API developers, and core blockchain developers whose role is to design and develop blockchain networks, protocols, and other components of its architecture. The roles available for blockchain development depend on the size and structure of the organization.
A concise, well-written resume that catches the recruiter’s requirements gives you an edge during your job search. Your skills, experience, qualifications, and accomplishments should be highlighted clearly. Avoid generic or downloaded resumes at all costs. It pays to take some time and tailor your resume to match the job requirements.
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