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Selected Bitcoin Coders, Consultants for Hire in Ukraine

What is Bitcoin (hereinafter BTC)? It is the most popular e-currency. So-called “virtual” money that is not subject to inflation and takes the increase in the modern world. Japan is the first country in the whole world where the cryptocurrency is recognized as the official payment tool. BTC relies on cryptographic principles with the aim to create unique, non-reproducible and divisible currency. Users store cryptographic keys to their own money locally on a personal computer, and conduct transactions directly with each other through a peer network, verifying through the network the authenticity of remittances. Each coin in the system has its own unique key. Executing the transaction, users add the public key to the coin and sign it with his personal private key. To prevent a double coin being debited, all transactions are broadcast to other participants. BTC is based on the recording of cash flows using asymmetric encryption. In other words, it means that for each new transaction, the keys are checked against the list of previous transactions. It is necessary to know that currency rate of BTC is variable and depends on many factors. The information is presented in the form of a table showing BTC buying and selling rates on the most popular crypto exchanges.

Bitcoin Development Services

Bitcoin Development Services in Ukraine

Looking for a Bitcoin coder for your enterprise? You surely came to the relevant provider. “Echo” presents IT staffing services and project based development. We pleasantly help you to get the relevant employee or a team for remote development. All our coders are accomplished professionals skilled in developing specially made apps using the modern trends, including BITCOIN, Dotnetnuke, .NET, SSIS, Woocommerce, Visualforce, Spark, Cryptography, Ruby, Java EE, Salesforce. You can also hire us as a Bitcoin development partner and delegate full-cycle development services to us.


  • Premium Ukrainian developers with more than 3 years of industry experience.
  • Staff retention leading methods to make sure your developers stay contented.
  • Dedicated account managers to assure effective cooperation.
  • Clear agreement with predictable monthly billing.

We help you execute your projects by preparing trusted Bitcoin developers who can participate in your forces and rapidly start delivering excellent code. Reach out us and examine the CVs of candidates available for work at the moment. Also, you can read “Bitcoin Developer Salary in the US and UK compare to Ukraine” to reveal the true cost of hiring.

TOP5 Bitcoin Programmers in May 2019

1 Dimitri C.,Age: 27, E-mail: di*@taas.fun,
Skills: Researcher, Bitcoin
Contact Us to Get the Full CV (ID 552900)

2 Maksym T.,Age: 27, E-mail: re*@gmail.com,
Skills: PHP, HTML/CSS, Bitcoin
Contact Us to Get the Full CV (ID 552891)

3 Vitaliy V.,Age: 24, E-mail: du*@gmail.com,
Skills: HTML/CSS, Bitcoin
Contact Us to Get the Full CV (ID 552888)

4 Lilia V.,Age: 30, E-mail: li*@bitalo.com,
Skills: Business Analyst, Bitcoin
Contact Us to Get the Full CV (ID 552885)

5 Marina K.,Age: 28, E-mail: ma*@gmail.com,
Skills: Sales, Bitcoin
Contact Us to Get the Full CV (ID 552883)

The list of Bitcoin coders is based on our applicant tracking system (ATS) information and refreshed day by day.

Questions and Answers related to Bitcoin Development

What is Bitcoin Mining?

“Bitcoin mining is the process by which transactions are verified and added to the public ledger, known as the block chain, and also the means through which new bitcoin are released. Anyone with access to the internet and suitable hardware can participate in mining. The mining process involves compiling recent transactions into blocks and trying to solve a computationally difficult puzzle. The participant who first solves the puzzle gets to place the next block on the block chain and claim the rewards…”

What programming language(s) would be involved in creating a sidechain of Bitcoin?

“Well for prediction of price of bitcoin or any other cryptocurrencies we need to create a powerful neural networks that can learn all the aspects of prices like up and down. For creating such neural networks we need programming language like python, R, java. As, Python is much known for AI. So, it will be the winner.”

What’s the best Bitcoin API when working with Node.js?

“Alpha Vantage is my favorite crytocurrency API by far. They offer free JSON APIs for both realtime and historical bitcoin (and other digital currency) data. This API returns the realtime intraday time series (in 5-minute intervals) for any digital currency (e.g., BTC) traded on a specific market (e.g., CNY/Chinese Yuan). Prices and volumes are quoted in both the market-specific currency and USD…”

Are there any Java libraries to work with Bitcoin?

“The BCCAPI (BitCoin Client API) allows you to create a light-weight secure Bitcoin client in Java. BitCoinJ also uses the Bouncy Castle encryption algorithm implementations. Some of these were missing or poorly implemented in Android which necessitated the inclusion of these libraries into BitCoinJ. These inclusions makes it a very useful library to get started with than simply rolling your own against the JSON API of the standard client.”

What books should Bitcoin programmers read?

Best Bitcoin Books You Must Read

Consider asking some of these questions during a job interview to assess candidate’s skills.


Big Names Using Bitcoin

What Fortune 500 companies are using Bitcoin in production among other popular technologies? A good example is Aflac (www.aflac.com).

Aflac: Supplemental Insurance for Individuals & Groups. Aflac provides supplemental insurance for individuals and groups to help pay benefits your major medical insurance doesn’t cover.

Also, big brands use Typo3, Apache Spark, WordPress, Hadoop, Plone.

Typical Programming Projects and Tasks for Bitcoin Developers

Blockchain Developer Needed

We need Etherum blockchain and a centralized wallet. Detailed spec will be given to highlighted candidate. Many thanks. ... (United States)

Make Cryptocurrency Exchange With API (Changenow.io)

Please check : https://changenow.io/api/docs Usecases Here is simple use case for Standard Flow API: 1. API — get available currencies at the moment with 'List of available currencies' method; 2. ... (Indonesia)

Blockchain Crypto Project

Looking to launch a blockchain technology platform. looking for coders who specialize in blockchain and cryptography ... (United States)

IOS Developer Who Have Knowledge About Bitcoin

I am looking for iOS developer who have experience in Blockchain tech. - Developer must know about Bitcoin transaction. - Developer must know Swift as well ... (China)

These results are based on the freelance Bitcoin jobs extracted from Upwork in May 2019.

Echo is Trusted by the World’s Leading Companies

  • Bitcoin developers for F1
  • Bitcoin specialists for Tesco
  • Bitcoin consultants for Sky
  • Bitcoin coders for Powwownow
  • Bitcoin consultants for Microsoft

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