Architect - Trading Systems

Brussels, Brussels
Work Type: Full Time

Keyrock is expanding!


Keyrock was founded in 2017 and has quickly grown from 3 to over 80 people today. As an industry recognized liquidity provider and market maker, Keyrock is a leading European creator of algorithmic trading technologies in the digital asset space. With VC backing, a constantly expanding global client base and revenues growth 13x in 2021, Keyrock is one of Belgium’s fastest-growing fintech companies.


We’re currently active on over 80 exchanges and count numerous marketplaces and asset issuers among our clients, including some of the best-known companies in the crypto space. 


Keyrock's beating heart is its technical team filled with crypto and DeFi natives, software engineers, digital scientists and PhDs, who themselves are supported by university professors, industry-leading experts and a strong management team. Over the years Keyrock has become a company that is both idealistic and practical. 

We are looking for:


At Keyrock we provide prices at scale through our flagship product. This is done with algorithmic trading systems that connect to microservices geographically distributed. The infrastructure that powers that system is designed to reduce latency to a minimum, be resilient and use all the available hardware to run at full speed.

We are looking for an Architect to take the lead of designing our systems to continuously improve their performance in order to improve the quality of our trading.


Background and experience

  • MSc/MA in computer science, engineering or relevant field, or equivalent work experience

  • Seasoned developer or systems architect  with experience in distributed, large-scale, fault-tolerant, highly-available systems and high-frequency trading

  • Experienced in microservices written in Rust and cloud infrastructure

  • Knowledge of UML and/or other modeling languages

  • Good understanding of how trading systems work

Competences and personality

  • High quality organizational and leadership skills

  • Team player with outstanding communication and presentation abilities

  • Technical mindset with attention to detail

  • Data-driven mindset

Job description


  • Lead a team of technical experts of our subsystems to discuss, define and implement high level iterations to our software, infrastructure and data.

  • Define general architectural guidelines for all our trading systems, with the "big picture" in mind

  • Own the long-term vision of the systems architecture, in line with the Product vision and in collaboration with Product function

  • Design and continuously improve our systems towards objectives of low latency, high performance and reliability

  • Design, maintain and evolve high-level architecture of our trading systems

  • Define all aspects of development from appropriate technology and workflow to coding standards and ensure adoption of these across our Engineering teams

  • Communicate successfully all concepts and guidelines to development team

  • Oversee and steer progress of development team to ensure consistency with initial design

  • Measure the business impact of architectural changes


Our recruitment philosophy

We believe the most important aspect of our recruitment process is self-awareness: we are looking for people who have a clear understanding of themselves and what they are looking for in their professional career. That means that we expect to work with people who not only have the right skills, but who have also made the conscious decision to look for a company in our industry and with our characteristics.


Our offer


  • A competitive salary package, including benefits that you choose and manage according to your needs and those of your family (car/bike, meal vouchers, phone and internet subscription, health insurance, 25 days  off, etc.) 

  • Complete autonomy in your time management thanks to flexible working hours and the opportunity to work remotely 

  • The freedom to create your own entrepreneurial experience by being part of a team of people in search of excellence who all receive stock options from the first year

  • A ton of fun in a thriving and multicultural environment, with colleagues enjoying regular team building activities 


Keyrock offers you both a career and a large range of benefits that we will gladly discuss in the course of the application process.


As an employer we are committed to build an inclusive, diverse and non-discriminating work environment. We welcome employees of all backgrounds, ethnicities, genders, creed and sexual orientation. We hire, reward and promote entirely based on merit and performance.

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