Blockchain is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time.

We are looking for a Senior Site Reliability Engineer to join our low-latency markets team as we tackle some of the most interesting problems in the crypto space, like how do we securely scale a distributed financial platform that touches millions of people a day.

Work within a diverse cross functional team of low latency specialists pushing the boundaries of both physical and cloud based deployments - leading the way in market connectivity, matching and execution. You will be working closely with traders, quants and engineers to optimise for high frequency, low latency (microsecond) workloads in a fast-paced and dynamic environment.

At Blockchain, SRE is also a mindset and a set of engineering approaches to running better production systems—we build our own creative engineering solutions to operations problems. SREs are responsible for the big picture of how our systems are designed for operability, how they relate to each other, and we use a breadth of tools and approaches to solve a broad spectrum of problems. Practices such as limiting time spent on operational work, blameless postmortems and proactive identification of potential outages factor into iterative improvement are key to both product quality and interesting and dynamic day-to-day work.

The SRE/DevOps environment at Blockchain is a work in progress - we are looking for an experienced, senior SRE to provide engineering leadership across the SRE team and the broader engineering team. Are you ready for a challenge? 


  • You will be able to play a critical role in evolving our on-premises and cloud infrastructure as we scale our market-making and institutional business
  • You will develop solutions to complex technical problems to improve the performance of our ultra-low latency exchange and liquidity provision services
  • You will architect and develop tooling to enable rapid delivery of new features
  • You will work in a fast paced, and dynamic environment complementing our existing high calibre team


  • Experience and a deep understanding of a low-latency environment trading environment 
  • Knowledge of building linux kernels with an emphasis on low-latency tuning
  • Knowledge of routing and switching protocols and using them to improve network latency
  • Experience with linux tuning tools (tuned or similar)
  • Substantial experience with using a scripting language such as python and / or programming proficiency (i.e. Go, JVM) 
  • Experience with high-performance networking technologies (I.e. TCPDirect, Solarflare/onload etc)
  • Experience with using GitOps and CI to make changes.
  • Experience with infrastructure as code tools. Experience with complex terraform deployments is a plus
  • Experience with database management and optimization
  • Experience working in Data Centers is a plus
  • Experience with containerization and service orchestration, including best practices and security is a plus
  • Experience with Hashicorp Nomad, Consul and Vault is a plus
  • Experience with configuration management tools.
  • Some familiarity with C or C++ is a plus
  • Competitive full-time salary based on experience and meaningful equity in an industry-leading company
  • The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry.
  • Unlimited vacation policy; work hard and take time when you need it.
  • Crypto bonuses
  • Performance-based bonuses paid in cash
  • Apple equipment provided by the company
  • Awesome office locations and remote working options.


  • LinkedIn profile
  • Link to github, stackoverflow, personal website and/or blog (if applicable)
  • Favorite GIF

When you apply to a job on this site, the personal data contained in your application will be collected by one or more of the following subsidiaries of Blockchain Luxembourg S.A (each, a “Controller”):

  • Blockchain Access UK Ltd.
  • Blockchain (GB) Limited 
  • Blockchain (US), Inc.
  • Blockchain (LT), UAB 

You may contact our Data Protection Officer by email at Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.

Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf.  Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses. 

Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment.  Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have to right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

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