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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.
Builds advanced browser-based trading tools for expert users, focusing on polished UIs, typed functional programming, and cross-stack development.
Manages Jane Street's Linux engineering team, which maintains and improves the platform powering the firm's production trading systems. Expected to start hands-on as an individual contributor before growing into management; core skills are deep Linux/OS fundamentals, Unix shell scripting, systems programming, and a willingness to learn OCaml.
Build and maintain critical trading systems in OCaml, balancing software development with real-time incident response to ensure seamless operations.
Builds and maintains trading systems and infrastructure using OCaml and Python, collaborating in small teams to solve complex problems across finance and technology.
This role blends software engineering and technical writing to improve documentation, build supporting tools, and create training materials for a quantitative trading firm.
Software Engineering intern at Jane Street in New York, working on real-world projects using OCaml and Python, mentored by full-time engineers.
Builds and maintains trading systems, infrastructure, and tools using OCaml and Python at a quantitative trading firm.
Interns collaborate with full-time engineers on FPGA/ASIC hardware projects using OCaml and Hardcaml, from design to validation, with mentorship and exposure to Jane Street’s internal tools.
Data Engineering intern at Jane Street who ingests, transforms, and monitors messy real-world data (structured and unstructured) using Python, SQL, and OCaml to build reliable foundations for research and trading.
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.
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.
Design and implement FPGA/ASIC applications using OCaml and Hardcaml (an OCaml RTL library) for RTL design and testing, with some Verilog and C work, at a quantitative trading firm.
Singapore-based Software Engineer (Python) at quant/fintech firm Hunter Bond, paying up to SGD 225k cash plus bonus in year one. Work could span ultra-fast ETL pipelines, observability platforms, ML infrastructure, functional-programming R&D (Rust/Erlang/OCaml), or quant alpha research.
Jane Street's Hong Kong software engineering internship pairs interns with full-time engineer mentors to build real production projects, mainly in OCaml (with some Python) across areas like trading systems and tooling. Flights to and from Hong Kong plus accommodation are provided for the May–August program.
Senior technical role at SiFive defining end-to-end formal verification strategies for complex SoC and IP subsystems, on RISC-V compute platforms. Day to day involves driving proof convergence with model checkers like VCFormal and JasperGold, applying abstraction techniques to large designs, and reshaping hardware implementations to improve verification quality.
Backend engineer (Go) on Grab's Fulfilment Platform team, onsite in South Jakarta, building high-throughput, real-time distributed systems that help driver partners fulfill orders and power marketplace pricing. Day to day: design/architecture, performance tuning, code reviews, on-call incident response, and mentoring junior engineers.
London | £200k-£500k+ TC | Language Agnostic You do not need to be a C++ developer or already work in finance to build technology for the world's leading trading firms. I'm working across several Tier 1…
Backend engineer on Grab's Fulfilment Platform team in South Jakarta, building high-throughput, real-time Go services that help driver partners fulfil customer orders and optimize marketplace pricing. Day to day: system design, performance tuning, code reviews, on-call incident response, and mentoring junior engineers.
Designs and builds the systems and tools that run the trading firm — from trading desks and accounting to foundational infrastructure like network monitoring and risk models — using OCaml as the primary language, with Python for data analysis, visualisation, and machine learning.
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