Hire Blockchain App Developers: Everything You Need to Know

What Types of Products Should You Hire Blockchain App Developers For?

Blockchain technology is increasingly affecting various industries worldwide. Many organizations want to hire blockchain app developers in the USA because blockchain is recognized in many industries, from financial services to healthcare, logistics and even government. This technology is increasing its influence on the global economy every day. In this regard, blockchain developers create different types of products, let's take a look at the most popular ones.

Banking Apps

A traditional bank charges high commissions, takes a long time to transfer money, and is not highly secure. With blockchain technology, a blockchain apps developer creates applications that disrupt the traditional banking system and provide users with a peer-to-peer payment system. Thanks to blockchain banking applications, users can make payments quickly, easily, securely and with low fees.

Healthcare Apps

Using blockchain technology, engineers are creating multifunctional healthcare applications that provide quick access to patient data. Blockchain keeps information about patients' personal medical files private. Moreover, with supply chain management protocols, it is possible to trace the origin of medicines and exclude counterfeit medicines.

Insurance Apps

Blockchain application developer creates applications that allow insurers to quickly identify false claims and prevent forgeries. Blockchain is used to verify many types of data in insurance contracts, including the identity of the insured person. Distributed ledger technology is used for many types of insurance around the world.

Cloud Storage Apps

The traditional cloud storage is vulnerable to hacking, human error and complete data loss. With blockchain technology, developers are creating secure and attack-resistant cloud storage. Blockchain-based cloud storage is fast and reliable, so users are gradually choosing it over traditional one.

Real Estate Apps

The traditional real estate industry is prone to problems of bureaucracy, public record errors, lack of transparency, and fraud. The use of blockchain technology reduces the need for paper records. You can hire blockchain application developers to create applications that help with ownership verification, ownership transfer, and document accuracy.

What Skills Does a Blockchain App Developer Need?

Blockchain technology makes it possible to create innovative, efficient and transparent businesses. However, to take full advantage of this technology, developers must have a range of skills, without which successful blockchain application development is impossible.

Understanding of Blockchain Technology

A blockchain developer cannot be successful if he does not understand how decentralized networks work. The developer must know basic blockchain development concepts such as cryptography, consensus algorithms, data structure, peer-to-peer network security, blocks, distributed registry technology, and so on.

Knowledge of Programming Languages

A competent blockchain developer must be able to program well in one or more of the following programming languages: C++, C#, Python, Java, JavaScript, Solidity, and Ruby. Blockchain app development is impossible without the use of programming languages.

Knowledge of Cryptography

Knowledge of cryptography is essential for ensuring application security, so developers must have a solid foundation in cryptographic methods and concepts. Blockchain developers also need to know how to use public key cryptography to protect data from unauthorized access.

Understanding of Smart Contracts

Smart contracts are self-executing contracts, that encodes business logic and automatically executes all or parts of an agreement between buyer and seller. Smart contracts let two parties exchange goods without an intermediary. This is one of the main blockchain developer skills.

Data Structures

Data structures are a fundamental concept of blockchain. In fact, the entire blockchain network consists of data structures. Blockchain developers regularly work with different data structures while developing applications, so their knowledge is essential.

Where to Find Blockchain App Developers?

Before you start looking for blockchain app developers, you need to assess the complexity of your idea, the budget you are willing to allocate for development and whether you will need maintenance after the release of the application. To make it easier for you to find the right blockchain developers, we have prepared many places where you can find them.

Job Sites

Job sites allow you to connect with a huge amount of blockchain developers with minimal effort. Just be prepared to receive hundreds of job applications from candidates, most of which will not be suitable for you.

Pros

• Cost-effective hiring option.
• Various analytic tools.
• Reaching a wide audience of blockchain application developers.

Cons

• Costs of reviewing resumes and interviewing.
• Many unsuitable job applications.
• Time-consuming.

Recruiting Agencies

If you do not have enough time and energy to cope with the process of searching and hiring blockchain developers yourself, you can turn to a recruiting agency. Recruiters working at the recruiting agency have extensive experience and will be able to quickly find developers suitable for you. Here are some important pros and cons of working with a recruiting agency.

Pros

• Reduced hiring time.
• The high level of competence of the developers.
• Recruitment agencies have a profound understanding of the blockchain market, which allows them to make the process of finding and hiring blockchain developers as efficient as possible.

Cons

• An unscrupulous agency can present your company to a candidate in an unattractive way.
• Possible legal problems.
• An unscrupulous recruiting agency may find an incompetent blockchain developer for you.

Outsourcing Firms

If you have a small budget or don't want to spend time and money on staff recruitment and training, you can hire an outsourced blockchain application development team. Outsourcing firms provide clients with a full range of blockchain application development services, from analysis to release and maintenance.

Pros

• Cheaper than in-house development team.
• The ability to instantly get a blockchain developer with extensive experience and the necessary skills.
• Outsourced developers can handle routine tasks while your in-house team is busy doing more important things.

Cons

• Poor control of the development process.
• Communication problems if the developers live in a time zone different from yours.
• An unscrupulous and inexperienced outsourcing firm will not be able to develop a quality application.

Freelancers

If you are interested in developing a small and simple application, you expect to complete it in a short time, and you have a limited budget, then hiring freelancers would be a great option. However, hiring a freelance blockchain developer comes with various risks, such as a fake portfolio or suddenly disappearing without explanation. So think twice before hiring a freelance developer.

Pros of hiring a Blockchain App freelancer

• Cheap recruitment method.
• Most freelancers are focused on building long-term relationships with their employers, so they do their duties diligently.
• No need to pay during "downtimes".
• Large selection of talents.

Cons of hiring a Blockchain App freelancer

• Unscrupulous freelancers may not answer your questions for a long time.
• Many freelancers work on several projects simultaneously and are not focused specifically on your application.
• Lack of control.
• Unpredictable quality of work.
• Can disappear at any time unexpectedly.

When to hire a freelance Blockchain App developer?

• Your company is small, and your budget is low.
• For developing simple blockchain applications that do not require further maintenance.
• For a certain complex task that your in-house developers can't handle.

Talent platforms

You can find many competent and vetted blockchain application developers on the talent platforms. Blockchain application development specialists on talent platforms have in-depth knowledge, a wealth of experience, and will definitely meet your job requirements. Using talent platforms, you will get quick access to many competent developers, and you won't have to spend money on a long searching and interviewing process with hundreds of candidates.

Employ in-house Blockchain App Developers

If you decide to create a scalable and feature-rich blockchain application that will require ongoing maintenance, updates, and support after release, it's better to hire in-house blockchain app developers that will work from your office. You will be able to constantly monitor the blockchain application development process and constantly communicate with the development team. On the other hand, hiring an in-house team leads to large expenses.

Advantages

• Full control over the application development process.
• Direct communication.
• In-house developers are aware of the company's needs and values.

Disadvantages

• High cost of finding, interviewing and training employees. Moreover, you will have to buy all the equipment and pay taxes.
• It takes a long time to assemble a complete in-house team.
• Lack of versatility in expertise.

Hire a dedicated Blockchain App Development Team

In this business model, you hire a remote software development team that works under your management. Dedicated development team model is in demand due to the transparent partnership between customers and blockchain application development companies. To decide whether this business model suits you, you need to know its pros and cons.

Advantages

• Cost-effectiveness.
• You don't have to spend time searching and interviewing candidates.
• Fast access to competent blockchain developers.
• Full control over the dedicated team members.

Disadvantages

• Not effective for short-term projects.
• If you work in different time zones, there will be problems with communication.
• If you hire a dedicated development team in a different time zone, there may be communication problems.

How to Hire a Blockchain App Developer?

Hiring an experienced blockchain developer to develop a project is complicated by many factors, including the need to fill out the job description correctly and check the necessary skills in the interview. To help you successfully hire a blockchain developer, we have prepared for you a blockchain app developer sample job description and interview questions to ask a blockchain app developer before hiring.

Interview Questions to Ask a Blockchain App Developer before Hiring

1. What is a blockchain?
2. What is proof of work?
3. Why is the blockchain immutable?
4. What is the genesis block?
5. What is a blockchain node?
6. How does a blockchain recognize a block?
7. What are some benefits of using Merkle Trees?
8. What is cryptography?
9. How does a blockchain distributed ledger differ from a traditional ledger?
10. What are the different types of blockchain?
11. What is a smart contract?
12. Where do nodes run a smart contract code?
13. What is a dApp?
14. What are the four components of a blockchain ecosystem?
15. How to prevent tampering with the data in blockchain?
16. What is a 51% attack?
17. What is the hash, and how is it generated?
18. Can you provide an example of a use case of blockchain?
19. What is the RSA algorithm?
20. What is double spending?
21. How to build a blockchain app?
22. What is a secret sharing?
23. What are the benefits of using blockchain technology?
24. Which cryptographic algorithms are most widely used?
25. What is off-chain transaction?

Why to Hire Blockchain App Developers at ARTJOKER?

• Profound Expertise

We, at ARTJOKER, have profound experience in blockchain application development of various complexity. We create secure and feature-rich blockchain solutions for organizations around the world. Our company specializes in developing multifunctional blockchain solutions for clients across a wide range of industries.

• Top Team

Our full-stack blockchain team is experienced in developing blockchain applications of any complexity and for any industry. Each developer of our team has been thoroughly tested and proved in practice his unsurpassed skills.

• DevOps

Our experienced blockchain developers use DevOps to improve collaboration, application quality and time to market. With DevOps, we accelerate the release of products and fix bugs in the application at early stages of development.

• Prompt Technical Support

We answer all clients' questions as quickly as possible. We understand that uptime is critical to your business, so we provide support and maintenance of your application even after its release. We guarantee a fast and detailed analysis of any problems that arise, as well as their quick fixes.

• High Level of Security

When developing blockchain applications, we ensure their high level of reliability and security. Our experienced team of testers checks the application using various testing methods and eliminates any vulnerabilities.

• Clarity and Integrity

We analyze your idea, warn you about any possible difficulties and problems with the future blockchain application. After analyzing your idea and requirements for the project, we calculate the cost of its development. We are always honest with clients and do not hide anything.