University of Piraeus
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We are a company of academics and engineers offering specialised blockchain technology solutions, based in Athens, Greece.

Our team offers enterprise consulting services, assisting corporations in the finance, supply-chain, insurance, and energy sectors.

At SignedBlock, we also conduct cryptocurrency algorithmic trading research and develop trading strategies and algorithms in a closed invite-

only setting. We build capabilities at all levels, educating management and technical personnel in understanding blockchain both at a business and managerial level as well as at an in-depth technical level.

Οur position is a full-time position in either our local office in Athens, Greece or remote. You can also combine the two and work some days remotely and some locally.

SignedBlock is committed to Equal Employment Opportunity without regard to race, nationality, gender, disability, sexual orientation, gender identity or religion.


The benefits that we offer to all of our members :

  • A competitive salary.
  • Monetary bonuses payable in cryptocurrency.
  • Flexible work hours.
  • A cozy office. You can work from Athens or come visit us and have a nice desk and chair, a spacious monitor, a thoughtfully designed work environment, and plenty of fun distractions when you’re looking for some and none if you aren’t.
  • A nice team. We have a team of sharp, motivated and playful people that you can learn from. We have people from many walks of life who have worked in big corporate environments in the past, are currently pursuing PhDs in cryptography and blockchains, have hobbies in aerospace engineering, are at the same time professional artists, or are running triathlons in their spare time.
  • Free books. We’ll buy you any book you like, whether it’s related to your work or not. We love reading and learning.
  • We’re a small group and most of our discussions and decisions are shared with everyone to the extent that we can. We try to be transparent with the strategic decisions of our company, our salaries, and the team’s finances.
  • We’re not secretive with our members.

  • Learn during work time. If you need to learn something for your work, whether it’s immediately related to what you’re currently doing or it’s reading a book on blockchains, cryptography, or software engineering, you can count studying as part of your work hours and get paid for it.
  • Travel often. If you enjoy traveling the world, we often sponsor conference attendance as well as business trips around the globe, both for personal development reasons as well as team bonding.
  • Joining is optional; all you have to do is say the word!

  • Friday team drinks when you’re in Athens!
  • Software Engineer Algorithmic Trading

    We’re looking for a software engineer to join our algorithmic trading team. You’ll be working to collect and analyze historical cryptocurrency price and trading data to propose new strategies using big data, machine learning and natural language processing.


  • Maintaining and administrating our Linux servers for data collection, ensuring uninterrupted operation, security, monitoring, and automated deployment of our platform.
  • Developing our collection systems to collect high resolution timely financial data from various sources and reverse engineering network protocols to achieve good quality data.
  • Analyzing big data using statistical methods to verify trading strategy hypotheses.
  • Implementing real-time trading strategies to manage actual capital in time sensitive medium frequency settings.
  • Collaborating with our cryptographers in studying the fundamentals of cryptocurrencies to extract experimental hypotheses that are likely to succeed.
  • Ensuring robustness of our trading strategies by performing backtesting, unit and end-to-end testing, failsafe mechanisms and redundancy.
  • Requirements

  • An illustrative GitHub portfolio.
  • Pursuing or having completed a Computer Science or related degree, or equivalent professional experience.
  • Professional knowledge of at least one programming language.
  • Good experience with Javascript and node.js.
  • Exceptional skills in big data.
  • Machine learning experience with a platform of your choice such as Python, Pandas, and NumPy.
  • System administration experience with Linux and automated deployment using systems like Docker, Kubernetes, Puppet or Ansible.
  • To apply, send us your CV and GitHub to apply signedblock.com. We’ll be delighted to work with you! SignedBlock is an equal opportunity employer.

    We’re especially keen to hear from people with different backgrounds than you’d expect to find at a technology company. We encourage women and other underrepresented groups to apply!

    By submitting my CV and any supporting documents, I confirm that I have read and agreed to the use of Personal Information that I am providing in accordance with our SignedBlock HR Privacy Policy.

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