Senior Back-End Engineer, Trading Platform

Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Senior Software Engineer to join our Institutional team in our Paris office.  

is a high‑performance culture marked by fearlessness and hyper productivity. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements.

• Build low latency, scalable and highly performant trading services in RUST including Order Management System (OMS), exchange gateways, risk management systems, etc.
• Enhance and maintain OMS functionality, ensuring efficient order execution, routing, and management in a high‑frequency trading environment.
• Be a part of a fast‑paced dedicated engineering team committed to constantly improving and iterating on cutting‑edge systems.
• 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 performance across the board.

• Extensive experience in C++ and/or Rust.
• Experience with Python and SQL.
• Experience in one or more of the following programming areas:
• Multithreading.
• Network programming, including multicast.
• 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 systems architecture: familiarity with Order Management Systems (OMS), exchange gateway connectivity, market data ingestion and processing, as well as high‑throughput, low‑latency systems.
• Pragmatic approach to developing clean solutions to complex problems.
• Basic understanding of algorithms, data structures, databases and distributed systems.

• Full‑time salary based on experience and meaningful equity in an industry‑leading company.
• Hybrid model working from home & our office in Paris.
• Work from Anywhere Policy – up to 20 days to work remotely.
• Class Pass budgets for learning & professional development.
• Unlimited vacation policy; work hard and take time when you need it.
• Apple equipment.
• Opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field.
• Flexible work culture.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship.

Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.

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