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Backend Software Engineer - blockchain
London, UK

Job Title

Backend Software Engineer - blockchain

Job Description

We are looking for talented and proactive software engineers to work on our backend order matching system. We are creating a platform for cross blockchain lending and borrowing and If you’re truly interested in pushing the envelope by disrupting an industry that some say cannot be disrupted, then we just might have the job meant for you. You'll be working on server-side services such as the order book for borrowing/lending, the order matching engine, interaction with blockchain smart contracts, trade settlement and post-trade lifecycle. On a daily basis, you will

  • Maintain and develop a service-oriented backend
  • Analyse and identify bottlenecks in performance
  • Design secure, stable, and robust architecture
  • Collaborate with frontend engineers to add support for API functions and user interfaces
  • Collaborate with smart contract engineers to integrate the interaction with blockchains
  • Collaborate with platform engineers to deploy services into the cloud


  • No telecommuting
  • No Agencies Please


  • Degree/Master/PhD in computer science or engineering
  • Interest and/or experience in blockchain technology
  • Strong Python (we use python 3)
  • Cython and C
  • Numpy and pandas data stack
  • Data Structures and Algorithms
  • Distributed and asynchronous programming
  • Minimum of 5 years of Industry experience in software development
  • Can work independently, and as part of a high performing team
  • Good communication skills


  • HTTPS and Websockets
  • Background in quantitative finance
  • Kafka or any other message passing server
  • PostgreSQL
  • Redis
  • Node.js
  • Docker
  • AWS
  • CI & CD best practices

About the Company

Our mission is to create the market and financial infrastructure for securities lending in crypto capital markets, enabling and encouraging the borrowing and lending of crypto assets. In conventional markets this is a multi billion dollar business which has no equivalent today in the blockchain economy.


  • Salary £50-90k depending on experience
  • Performance bonus up to 100% payable in Lendingblock tokens
  • Flexible working & unlimited holidays
  • Pension scheme
  • Office drinks & catered lunch once a week
  • Latest MacBook pro & 4K monitor

Contact Info

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