Senior Backend Developer (Remote)

Remote   |   Full time

Keyrock is expanding!


Keyrock was founded in 2017 and has quickly grown to become one of the key European algorithmic technology liquidity providers and market makers in the digital asset space. We are headquartered in Brussels, with local presences in London and New York.

With VC backing and a constantly expanding client base, Keyrock is one of Belgium’s fastest-growing SaaS fintech companies. We are now looking to add an experienced backend engineer to our team to work in a rapidly evolving environment. You will be working in collaboration with our engineers, data scientists, and architects to develop new features, integrate new liquidity sources and structure financial systems.


Backend Developer 


We are looking for a backend developer to support the growth of our infrastructure, which is based on an exciting and constantly evolving technology stack. It currently includes Node.js, Python, Rust, PostgreSQL (TimescaleDB), Docker and Pulsar.

Your mission would be to develop new features, develop trading algorithms, integrate thirty party APIs and propose improvements to our current infrastructure.

What you will be doing

  • Build internal and external tools to support Keyrock trading activities

  • Setup and deployment of algorithms

  • Integrate cryptocurrency exchanges, banks and brokers APIs to the keyrock infrastructure

  • Implement financial logic on multiple Keyrock microservices.

Skills and experience


  • Team player

  • Knowledge in Linux administration, networking, and clustering

  • Node.js

  • MongoDB

  • Redis

  • Ideally, experience in an environment with streaming data

  • Deep understanding of the full web technology stack (e.g. HTTP, cookies, asset loading, caching, REST, etc)  

  • Basic understanding of the financial market, orderbooks, and trading

  • At least 5 years of professional experience


That little extra

  • Interest in Blockchain/DLT and digital assets

  • Background or interest in financial/capital markets

  • Rust / C++

What to expect from Keyrock


  • The opportunity to work closely with market leaders in a fast-growing industry on a daily basis

  • Being part of a fast-growing start-up with a global presence

  • Competitive salary and benefits and exciting growth path

  • The freedom to create your own intrapreneurial experience

  • A ton of fun in a thriving team

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