Core Developer at – The BTC Blog

Core Developer at

Back End Developers / Software Engineers, join the team in Amsterdam!

Shape the world of Bitcoin and cryptocurrencies, and bring the revolution of an open peer-to-peer financial system to millions around the world.


The brand is a part of Bitmain Technologies, the world’s most valuable bitcoin company.

Bitmain develops and sells the world’s leading bitcoin miners using Bitmain’s ASIC chip technology. Bitmain is the most recognizable company in the cryptocurrency space and the proud parent of several brands, among them, Antminer, Antpool, Artificial Intelligence Sophon and Hashnest. These brands are all global leaders in their own respected fields. offers a trusted multi-currency wallet, the world’s most powerful mining pool, API and blockchain explorer. Building on strong adoption of our innovative 2-of-3 signature cryptocurrency wallet technology, we are looking for talented engineers to join our growing team to develop comprehensive and market leading cryptocurrency solutions.

Who we’re looking for

We are a start up enterprise with an exciting vision, and our employees are paramount to our growth. We give our employees the room they need to personally grow and develop their career, we have an autonomous approach to management and are continuously striving to grow our employees to their full potential.


  • Managing the projects
  • Working on our PHP API for our mobile wallet and developing our
    NodeJS/Javascript & PHP SDKs.
  • Working on our developer dashboard using the Laravel 5 framework, with PHP 7.2
  • Working on our backend indexer or transaction signer
  • Writing new features and coding
  • Submit pull requests
  • Use CI Tools such as Travis CI and Scrutinizer
  • Maintaining adequate test coverage for new features
  • Write integration tests within our Docker containers
  • Actively participate in peer code review and product release sign-offs
  • Work closely with peers to create security hardened systems and processes
  • Collaborate with peer teams in data platform, transaction management, and UX engineering


  • Experience of working on REST APIs.
  • Good knowledge of GIT
  • Knowledge of asymmetric and symmetric cryptography
  • Working experience with redis, amqp
  • Deep technical understanding of cryptocurrency protocols, e.g. Bitcoin and Ethereum
  • Experience of PHP/Golang and open to new languages
  • Experience implementing detailed cryptographic or networked protocol specs (eg, IETF RFC’s)


  • Minimum 1–3 years of experience programming in a compiled, strongly typed language
  • Experience with Javascript ES6, PHP, or Golang a big plus
  • Proficient with modern engineering methods such as Agile development and DevOps
  • BA/BS degree in Computer Science or similar technical field, or equivalent
  • Masters Computer Science or related technical field preferred

How to Apply

If this role is of interest to you and you would like to join the number one cryptocurrency company globally then please apply now by sending your CV directly to [email protected]

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