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Jane Street

FPGA Engineer

London
Posted about 21 hours ago
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About the Position

We are looking to hire an Engineer with experience in both software and hardware design to help us build our FPGA-based applications.

We're big believers in the ability of tools to make programming faster, more pleasant, and more reliable. We apply these same principles to our FPGA Engineering work, and we’re looking for people who are interested in using programming language technology to improve the process of designing, testing, and validating hardware designs. We use Hardcaml, an OCaml library for succinctly describing hardware in RTL. Hardcaml is tightly integrated into our development environment, so you’ll also gain lots of exposure to the libraries and tools that are foundational to our internal systems. No previous knowledge of Hardcaml is required.

In this role, you’ll work on the ground-up design and implementation of new FPGA applications, and help extend and refine the high-level design and testing tools that we use internally. Your day-to-day work will predominantly involve OCaml & Hardcaml, for both RTL design and testing/integration, but you can also expect to work with some Verilog and C. While you don’t need to have worked with OCaml specifically, a good background in typed programming languages is a plus.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

If you’d like to learn more, you can read about our interview process, meet some of our newest hires, or check out our OCaml All The Way Down talk and Programmable Hardware podcast episode.

About You

We don’t expect you to have a background in OCaml, finance, or any other specific field—we’re looking for smart programmers who will approach hardware design with a software engineering mindset. We’re more interested in how you think and learn than what you currently know. You should be:

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  • A top-notch programmer with a love for technology
  • Comfortable with a software programming language
  • Intellectually curious, collaborative, and eager to learn
  • Humble and unafraid to ask questions and admit mistakes
  • Experienced with a Hardware Description (or Construction) language (VHDL, Verilog, Chisel, Pymtl, or other), for both writing and testing hardware designs
  • Experienced working with FPGA vendor tools (Vivado or Quartus)
  • Experienced with building a working FPGA project through an academic, professional, or personal project
  • Interested in learning how to use FPGAs in the context of networking
  • Fluent in English

If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

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Skills

FPGA
RTL Design
OCaml
Hardcaml
Verilog
C
Hardware Description Languages
Vivado
Quartus
Software Engineering
Networking
Hardware Testing
Hardware Validation
Typed Programming Languages

Location

London, England, United Kingdom

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