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 experienced software engineers from a variety of technical backgrounds with a proven track record in building low latency, scalable and highly performant systems.

Our engineering teams are involved in all aspects of the product life cycle, from idea generation, design, prototyping, planning, execution and shipping. As a senior software engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices.


  • Build low latency, scalable and highly performant exchange services including customer gateways, market data, static data management, trading systems, etc.
  • Deliver high quality systems that integrate testing at every development stage.
  • Be a part of a dedicated engineering team committed to rapidly shipping, and iterating on products that directly impact millions of users.
  • Be at the forefront of the cryptocurrency exchange ecosystem building out a new set of financial services, systems and architecture.
  • Gain exposure to an array of low latency, high throughput techniques and algorithms.
  • Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data.
  • Work closely with the other tech teams to seamlessly deliver the highest quality products and improve the customer experience.


  • The foremost quality for this position or any position at is integrity.
  • You possess an innate curiosity, and thrive on learning new technologies.
  • Extensive experience in C/C++ development, including metaprogramming.
  • Experience with Java, Python and SQL would be useful.
  • Experience in several of the following programming areas:
    • Multithreading
    • Network programming, including multicast
    • Interprocess Communication (shared memory, Unix/Linux queues)
    • Performance benchmarking and tuning
  • Extreme interest in delivering high quality software. This means that testing is embedded in the development process from the very beginning, from coding stage (unit testing), to integration testing (local and end to end integration testing), to performance (load and capacity) testing and finally, to failure recovery testing. Software engineers are fully involved in the testing process, driving much of the testing at all stages.
  • Experience in trading system architecture, exchange gateway connectivity (binary and FIX), market data generation and ingestion, high throughput, low latency systems.
  • You take a pragmatic approach to developing clean solutions to complex problems.
  • Understanding of algorithms, data structures, databases and large-scale systems.


  • 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.
  • Performance-based bonuses paid in cash
  • Apple equipment provided by the company
  • Awesome office locations and remote working options.


  • Favorite GIF.
  • LinkedIn profile.
  • Link to Github, StackOverflow, personal website and/or blog (if applicable).

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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