Top all-time · #10423
XTX Markets
Company blog · xtxmarkets.com/techsystemsdata
XTX Markets is the company blog at xtxmarkets.com, writing about systems and data. Since 2018, 7 different Hacker News readers have linked it 16 times, most often “TernFS – An exabyte scale, multi-region distributed filesystem”. No feed was found, so read it on the site itself.
Too few sampled comments (4) to say how often HN recommends it.?
Why HN links it
HN readers link XTX Markets' site for its tech blog posts, such as the 2025 post on TernFS, a Linux file system, and for its job listings. Comments mention these as sources or context, with no judgement of the writing.
Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those forecasts to trade on exchanges and alternative
Most-linked posts?
- TernFS – An exabyte scale, multi-region distributed filesystem3 people · 3 mentions · first linked 2025-09-18
- /2 people · 5 mentions · first linked 2018-08-03
What Hacker News says?
XTX Markets | Junior and Senior System Engineer | Onsite - London, UK | Full time XTX Markets is an award winning financial trading company which specialises in electronic market making. We trade in large volume on a significant number of the world’s trading venues and exchanges, entirely in an automated fashion, with our seventy staff members initiating many millions of trades each day. The IT Infra group provide a…
Comment linking /careers
on “Ask HN: Who is hiring? (April 2018)”Submitted TernFS – An exabyte scale, multi-region distributed filesystem as a story · 251 points
HN discussionXTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /wp-content/uploads/2018/12/Job-Description-Trading-systems-developer.pdf
on “Ask HN: Who is hiring? (January 2019)”Submitted TernFS – an exabyte scale, multi-region distributed filesystem as a story · 138 points
HN discussionXTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /
on “Ask HN: Who is hiring? (October 2018)”XTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /
on “Ask HN: Who is hiring? (November 2018)”XTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software for a…
Comment linking /
on “Ask HN: Who is hiring? (August 2018)”XTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /
on “Ask HN: Who is hiring? (December 2018)”XTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /wp-content/uploads/2018/12/Job-Description-Trading-systems-developer.pdf
on “Ask HN: Who is hiring? (April 2019)”XTX Markets | London, UK | Full-time | Onsite | https://www.xtxmarkets.com/ London-based XTX Markets is looking to expand its small low-latency C++ team. We have hundreds of Linux servers located at tens of financial exchanges around the world, and we design / build / maintain the entire software stack which runs on them. We're not serving up adverts, or worrying about user acquisition metrics, or building software…
Comment linking /wp-content/uploads/2018/12/Job-Description-Trading-systems-developer.pdf
on “Ask HN: Who is hiring? (March 2019)”It is very rational and standard journalistic practice to focus on academic funding provenance. Gowers is funded by XTX markets: https://www.renaissancephilanthropy.org/ai-for-math-fund XTX markets heavily uses machine learning and disguises the influencer money as "philanthropy": https://www.xtxmarkets.com/ But you would probably say that Magnus Carlsen's previous engagement with the Maltese gambling company Unibet…
Comment linking /
on “An OpenAI model has disproved a central conjecture in discrete geometry”There was also an introductory blog post submitted 4 days ago. 245 points, 108 comments. https://www.xtxmarkets.com/tech/2025-ternfs/ https://news.ycombinator.com/item?id=45290245 Some notable constraints: files are immutable, write-once update never. Designed for files at least 2MB in size. Slow at directory creation/deletion. No permissions/access control.
Comment linking /tech/2025-ternfs/
on “The Latest Linux File-System: TernFS”That is fair, particularly compared to Janet Jackson! I will add detail. In their younger days, two distinguished engineers, Bryan Cantrill and Brendan Gregg, made this video where they scream at a data storage server nicknamed Thumper. Screaming at it has surprising results, which are observed with a novel software technology called dtrace. The Sun Fire X4500 was a dense storage sever, 4U with 48 disks and insane I…
Comment linking /tech/2025-ternfs/
on “Janet Jackson had the power to crash laptop computers (2022)”