Core Backend Developer

  • WKL consultancy
  • Amsterdam, Netherlands
  • Dec 06, 2017
Permanent Developer/Engineer | Blockchain

Job Description

For our client, a company with a focus on Cryptocurrency, we are looking for a Core Back-end Developer to join their team in Amsterdam. In the recent years, they have developed a Fintech Cryptocurrency Wallet which needs further development. Because of the growth, our client has seen that the development team needs more support in various areas of development and security where they lack expertise. Applicants must have an in-depth knowledge or experience with Bitcoin/ Blockchain technology.

Job Responsibilities:

– Maintaining company products;

– The bitcoin wallet is written in PHP and Golang;

– Software development of the cryptocurrency wallet;

– Improvements, updates of the product;

– Continuous development and growth.


– In-depth knowledge/ experience of Bitcoin / Blockchain technology;

– Minimum 2-4 years experience with PHP or a different OO programming language;

– You are willing to program in PHP;

– Experience with Node.js and Golang is a plus;

– Experience with MySQL or other databases.


– Salary depending on your level and how you do in the interviews (up to 65k);

– When needed a relocation package consisting of: visa sponsorship and tickets;

– 25 holidays;

– 30% tax rule (higher net salary);

– Laptop and mobile;

– Startup environment.

How does it sound? In case you're thinking to make a change and grow professionally, we would be happy to receive your CV and schedule a conversation with you. Apply on the website or send your email to