Jane Street is hiring a ASIC Physical Design Engineer in Software Engineering — London, England, United Kingdom. The overview below is synthesized from the employer posting on janestreet.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
About the position
Company context from the listing:
The listing frames the ASIC Physical Design Engineer at Jane Street as a hands-on product role. As part of our Ultra Low Latency team, you'll have the opportunity to collaborate with people in areas across the firm, including trading, networking and research infrastructure.
This isn't a traditional PD role. We're a small team where everyone works across the chip design process, and we expect our PD engineers to lead with physical design expertise but think like chip designers.
If you've spent your career exclusively in PD, this probably isn't the right fit—but if you've worked across the stack, either because you started as an RTL designer and moved into PD, or because you were on a smaller team where you had to wear multiple hats, we'd love to talk.
We're big believers in the ability of tools to improve the productivity, reliability and day-to-day joy of hardware engineering. That's why we created Hardcaml, a hardware development toolchain embedded in OCaml.
About you
Company context from the listing:
- You have 8+ years hands-on experience building and running modern physical design flows (e.g., floorplanning, place and route, timing closure, physical verification, power analysis)
- You don't need to have optimised every last detail of every flow, but you should have broad enough experience across PD that you can own a flow end-to-end and know where the risks are
- Beyond PD, you can read and write RTL and understand how front-end design decisions affect physical implementation—and vice versa; You think about physical design in the context of the overall chip, not just as a downstream consumer of a netlist
- You're interested in using software engineering techniques to improve the hardware design process, and you have experience programming in a high-level language (Python, C++, Haskell, etc.)
- Fluent in English
If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.
Build a standout application
For the ASIC Physical Design Engineer at Jane Street, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
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