If you haven't heard of us before, we’re a quantitative trading firm that cares a lot about technology. This means building elegant solutions that scale well, never assuming that “best in market” is the same as “best possible,” and ensuring everybody has the resources needed to do their jobs well.
We're looking for folks in New York, London, Hong Kong, and Singapore for a variety of roles including, but not limited to:
- Data Engineers who can help us understand, clean, manage and share the data that guides our trading. At Jane Street, having a thorough and accurate understanding of data is at the core of everything we do -- https://www.janestreet.com/join-jane-street/position/6558007...
- Network Engineers to help our Network Security team run, scale, and continuously improve our infrastructure through hands-on operations, testing, and automation -- https://www.janestreet.com/join-jane-street/position/6230456...
- Machine Learning Engineers with robust experience in machine learning and strong mathematical foundations. Machine learning is a critical pillar of Jane Street's global business. Our ever-evolving trading environment serves as a unique, rapid-feedback platform for ML experimentation, allowing us to incorporate new ideas with relatively little friction -- https://www.janestreet.com/join-jane-street/position/6485460...
- Machine Learning Performance Engineers with experience in low-level systems programming to help optimize the performance of our models - both training and inference -- https://www.janestreet.com/join-jane-street/position/7449077...
- Software Engineers who are intimately tied into every area of our business. We are big believers in functional programming, using OCaml, a statically-typed functional programming language, as our primary development language. We also believe in the value of open source software, using it in our daily work and releasing hundreds of thousands of lines of our own code as open source -- https://www.janestreet.com/join-jane-street/position/4274288...
- Frontend Software Engineers who are passionate about user-interface design and typed functional programming. You would take part in the design and implementation of our next-generation of browser-based tools for operating our trading infrastructure -- https://www.janestreet.com/join-jane-street/position/6184529...
- Production Engineers who spend time both developing software and providing high-quality support for software systems that are critical to our trading business -- https://www.janestreet.com/join-jane-street/position/5108180...
Lyra is a Los Angeles based technology company launching an electric two-wheeler vehicle platform. The tight-knit team here is composed of seasoned veterans from the EV manufacturing industry in California with expertise in high power battery, thermal, and electronics development.
Open Roles
- Senior Firmware Engineer (ONSITE/HYBRID) $150k-$220k & benefits
- Firmware Engineer (CONTRACTOR) comp depends on experience
We’re looking for a Senior Firmware Engineer to continue to shape the core embedded systems that power our vehicles. In this role, you’ll take ownership of firmware development for connected vehicle systems, battery management systems, and infotainment. Your work will directly impact the first generation of Lyra vehicles going to market and help define the software and hardware stack that will scale with the company. You’ll be joining an established team with deep experience from the EV industry, and work closely with electrical, mechanical, and software engineers.
Email me stan (at) lyra-energy.com if you're interested. I'm our Head of Software, so reach out to me directly and tell me how your experience might match what we're looking for. Please include "Hacker News June 2025" in the subject line.
No recruiters or agencies please, limited visas.
US or Singapore/Indonesia based developers only.