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Software Engineer
Builds trading systems, risk models, and infrastructure using OCaml and Python; contributes to open-source projects like the OCaml compiler.
Senior Software Engineer, Backend
Build and scale the digital banking backend using Go, microservices, and AWS, while collaborating with product teams to deliver secure, high-performance APIs and ML pipelines.
Lead full-stack Engineer (C#, Angular) - OTC Product Area
Lead a cross-functional team to build and maintain a B2B fintech investment management system using C#, Angular, and Azure, covering full-stack development, testing, and CI/CD.
Scala Backend Developer
Scala engineer building high-performance game server components with Cats, Cats Effect, and Tagless Final, focusing on domain logic, testing, and Kubernetes operations.
Clojure Software Engineer (Backend)
Build AI-powered retail automation in Clojure: outfit generators, vector search, and LLM workflows that serve 100M+ shoppers via APIs for fashion retailers.
Software Engineer (Python/React) - Up to 140k + Bonus
Build high-performance trading systems and data pipelines in Python/React, collaborating with quants and traders in a fast-paced fintech environment.
Amazon Applied Scientist, AWS Science of Security
Research and develop formal verification and program analysis tools to enhance AWS security, privacy, and sovereignty using languages like Rust, Lean, or Dafny.
Software Engineer
Builds trading systems and infrastructure using OCaml and Python, solving problems across Jane Street’s operations and contributing to open-source projects.
ASIC Physical Design Engineer
Designs and deploys ultra-low-latency ASIC hardware, owning physical design flows end-to-end while collaborating with trading, networking, and research teams using tools like Hardcaml.
Software Engineer
Software Engineering intern collaborates on real-world trading systems and tools using OCaml and Python, mentored by full-time engineers in a 12-week program.
Software Engineer
A summer internship in Hong Kong for software engineers to work on real-world projects using OCaml and Python, mentored by full-time engineers in Jane Street's trading and systems teams.
Software Engineer
Software Engineering intern at Jane Street in Hong Kong, building and maintaining high-performance trading systems and tools using OCaml and Python under mentorship.
Senior Cybersecurity Operations Engineer (OCaml Experience)
Designs and implements advanced cybersecurity systems in OCaml to defend against threats, automate incident response, and enhance security governance for a high-stakes financial firm.
Software Engineer
Build and maintain high-performance trading systems and tools using OCaml and Python, collaborating with mentors on production-grade software projects.
Hardware Engineer
Design and implement FPGA/ASIC applications using OCaml/Hardcaml, Verilog, and C, focusing on high-level tools for hardware development and testing.
Hardware Engineer (FPGA/ASIC)
Design and validate FPGA/ASIC hardware using OCaml and Hardcaml, from RTL to testing, with mentorship on real projects.
Hardware Engineer (FPGA/ASIC)
About the Position We are looking to hire engineers with experience in both software and hardware design to help us build our FPGA or ASIC-based applications. We're big believers in the ability of tools to make…
Hardware Engineer (FPGA/ASIC)
Design and implement FPGA/ASIC applications using OCaml, Hardcaml, and Verilog; build and refine high-level hardware design tools.
Hardware Engineer (FPGA/ASIC)
Build and test FPGA/ASIC designs using Hardcaml (OCaml) and vendor tools, mentored by full-time engineers on real projects.