Ask HN: Who is hiring? (September 2025)

Queueco | HFT | London, UK | Full time on-site | Visa sponsor

We are a proprietary trading firm operating in conventional as well as cutting-edge alternative markets. Our strategies run 24/7 without manual intervention powered by low-latency infrastructure and the latest machine learning techniques. We’re a meritocratic and lean team of highly-motivated scientists and developers and as such value technical ability more than politics: what matters is how good your code is, not how well you sell yourself. We spend no time dealing with clients, customers or investors and instead focus on growing our business by building better technology.

If you are a talented research engineer with strong developer skills who likes to work on low latency systems and large data science pipelines then please get in touch. We are also happy to sponsor exceptional talent.

You will be embedded within research and serve as primary resource for diverse software engineering challenges within the team. Your responsibilities will include efficiently processing extensive amounts of market data or improving the computational performance of live strategy code.

You can have a look at the role and apply via: https://apply.workable.com/queueco/j/A43D6B3C23/

Or directly write us an email to hn@queueco.com.

Routefusion (routefusion.com) — Staff Software Engineer — Node.js, JavaScript/TypeScript — Fintech — Hybrid (Austin, TX)

RouteFusion is an API-first platform connecting financial services providers with streamlined payment routing across global rails.

We’re looking for a Staff Software Engineer with: - Expertise in Node.js, JavaScript, and/or TypeScript - Experience building fintech or financial infrastructure products - Strong backend architecture skills and familiarity with scalable microservices

*Location*: Hybrid onsite in Austin, TX *Compensation*: Competitive salary + equity, commensurate with experience *Apply*: Email me directly at brad@routefusion.com with "HN: Staff SWE" in the subject line, or apply via https://jobs.ashbyhq.com/routefusion/5eee669a-ef6b-460a-b689...

I’m Brad Holmes, Head of Engineering at Routefusion, and I’ll be personally reviewing all responses—look forward to hearing from you!

ML6 | Machine Learning Engineer, Data Engineer | Python, TensorFlow, PyTorch, GCP, AWS, Azure | Full-time | Amsterdam, Berlin, Ghent (EU) On-site/hybrid

We are a Machine Learning consulting company that builds end-to-end Machine Learning solutions. By applying the latest AI research, we keep our clients at the forefront of innovation. If you are interested check out: https://www.ml6.eu/knowledge-hub/blog and https://www.ml6.eu/customers/cases

Work on innovative projects for the biggest clients across Europe such as Randstad, ASML, FUNKE, and many more! Whether it’s about leveraging LLMs to improve customer support, building data lakes on cloud platforms to improve storage or implementing models using sensor data for quality control. You can find it all at ML6. You will mostly work with Python and a range of ML frameworks such as TensorFlow, PyTorch, or HuggingFace Transformers to solve hard Machine Learning tasks and help bring these application into production by building data pipelines and cloud infrastructure on all of the major cloud providers (GCP, AWS, Azure).

Open roles include:

• Senior ML/Data Engineers

• Senior AI Consultants

• Senior AI Project Managers

• Industry Directors

• Junior ML/Data Engineers

and many more!

Apply now at the https://jobs.ml6.eu/

CLEAR | Senior/Staff Backend Engineers | NYC Onsite (4-5 days in-office w/ free catered lunch daily) | https://www.clearme.com/

CLEAR's mission is to strengthen security and create frictionless experiences. With over 33 million members and a growing network of partners across the world, CLEAR's identity platform is transforming the way people live, work, and travel. CLEAR connects you to the things that make you, you – making everyday experiences easier, more secure, and friction-free. We're committed to privacy done right which means members are always in control of their own information, and we never sell member data.

If interested, apply here --> https://grnh.se/e4e5dc881us

1. You spell Tram Case differently in multiple places. Some places it's one one, others it's two words.

2. You continuously fail to share comp ranges which is disrespectful to your candidates time.

3. You have an SSL warning when trying to visit your site https://tramcase.com.