---
title: 'MacOS Engineer at Jane Street'
canonical: 'https://feeny.ai/job/macos-engineer-jane-street-hong-kong-s22pd77zbpta'
type: 'job'
last_seen: '2026-10-29'
---

# MacOS Engineer at Jane Street

- **Company:** Jane Street
- **Location:** Hong Kong, Hong Kong
- **Posted:** 2026-10-19
- **Last confirmed live:** 2026-10-29
- **Apply:** https://www.janestreet.com/join-jane-street/apply/8884625002?gh_jid=8884625002

## Job description

## About the position

We are looking for an experienced macOS Engineer who enjoys solving complex technical problems and finding smarter ways to manage devices at scale. You’ll help shape and improve the systems behind our growing fleet of Apple devices, with a focus on automation, reliability and making technology work better for our colleagues worldwide.

This will involve standardising and automating our device management, developing scripts, optimising MDM systems and integrating new tools and services.

You’ll also collaborate with colleagues across three continents to understand our firm’s business needs, troubleshoot issues, develop new solutions, share knowledge, and plan and execute deployments. Getting the details right and clearly documenting your work will be critical.

This role is part of our IT Engineering group, which designs and manages the physical, virtual and mobile computing environment that keeps Jane Street running at the highest standard.

## About you

- Have 4+ years of experience in a technical engineering role managing, monitoring and deploying macOS devices in an enterprise environment
- Strong experience with developing Python or bash/zsh automation scripts and tooling
- Have extensive experience with managing macOS devices using an MDM platform such as Intune, Workspace One or Jamf Pro
- Have an understanding of software distribution and patching technologies for macOS and knowledge of macOS security features and best practices
- Experienced with managing the life cycles of Apple devices using Apple Business Manager
- Experienced with integrating a variety of systems to fulfil business needs
- Able to troubleshoot macOS operating systems, applications, peripherals, and network problems
- Experienced with hardware monitoring and performance tuning
- A clear and concise communicator with excellent people skills; able to maintain a high degree of customer service for all support queries
- A flexible and reliable team player who enjoys working in a collaborative environment
- Self-motivated, with the good judgement to make decisions and drive projects forward when colleagues in other offices are offline
- Fluent in English

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

## About Jane Street

## Company Overview
- **One-liner**: Jane Street is a global quantitative trading firm and liquidity provider that uses sophisticated technology, machine learning, and deep market expertise to trade financial products across equities, bonds, options, and ETFs.
- **Entity Type**: Private (not publicly traded)
- **Headquarters**: New York, USA (with offices in London, Hong Kong, Singapore, and Amsterdam)
- **Founded**: 2000
- **Founders**: Not publicly disclosed as a single founder group; the firm was founded by a team of quantitative traders and technologists.

## Core Business
- **Primary industry/industries**: Quantitative finance / Proprietary trading / Market making
- **Target customers**: Institutional clients (asset managers, pension funds, insurance companies, hedge funds) and global exchanges; the firm acts as a liquidity provider on over 200 electronic exchanges.
- **Mission or purpose statement**: “Solving the puzzle of global markets” — a research-driven approach to trading, blending human intuition with cutting-edge quantitative analysis.

## Products & Services
- **Market Making**: Jane Street provides continuous, two-sided quotes on equities, ETFs, bonds, options, and other instruments, helping keep prices consistent and reliable across global markets.
- **Proprietary Trading**: The firm trades its own capital across a wide range of asset classes, using sophisticated models and automated strategies.
- **Institutional Sales & Trading**: Partners with asset managers, pensions, and insurance companies to provide trading solutions and access to differentiated liquidity.
- **Technology & Infrastructure**: Builds all critical software in-house (trading systems, risk management, data analysis tools), using the OCaml functional programming language.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private firm). Industry estimates suggest Jane Street is one of the world’s largest and most profitable market makers, with annual trading volumes in the trillions of dollars.
- **Key Metric**: Not publicly disclosed. The firm is widely reported to have generated billions in annual revenue and profit, though exact figures are private.
- **Notable Investors/Partners**: 100% employee-owned. No external investors. Partners include top institutional clients globally.
- **Growth Signals**: Jane Street has grown every year in team, capital, and global presence since its founding in 2000. It has expanded from a focus on ETFs into equities, bonds, options, and other asset classes. The firm continues to invest heavily in machine learning and quantitative research.

## Competitive Advantages
- **Technical Moat**: Builds almost all software in-house using OCaml, a statically typed functional language that provides high reliability, real-time visibility, and performance at market scale.
- **Data & Scale**: Trades on 200+ electronic exchanges globally, processing trillions of historical events to uncover both sub-microsecond and long-term market inefficiencies.
- **Talent Density**: A culture of intellectual curiosity and collaboration across trading, research, and technology teams. The firm is known for hiring top minds from any background (math, physics, CS, engineering) and training them in-house.
- **Long-Term Track Record**: Over 20 years of consistent growth and profitability, navigating volatile markets with a disciplined, research-driven approach.

## Strategic Focus
- **Machine Learning & Quantitative Research**: Deepening the use of ML techniques across all trading strategies, from high-frequency to long-term systematic models.
- **Global Expansion**: Continuing to grow its presence in existing offices (NY, London, HK, Singapore, Amsterdam) and exploring new markets.
- **Technology Investment**: Ongoing investment in infrastructure, hardware (e.g., programmable hardware, high-performance computing), and software tools to maintain a competitive edge.
- **Talent Pipeline**: Heavy focus on recruiting interns and new grads, as well as experienced hires, with structured programs for learning and mentorship.

## Why Work Here
- **Culture**: Described as “open and collaborative,” with porous boundaries between trading, research, and technology. Intellectual humility and curiosity are highly valued.
- **Learning & Development**: Offers immersive internships, multi-day programs, direct mentorship, and a week abroad for interns. Full-time employees have access to extensive internal training, a library, and classrooms in every office.
- **Work Environment**: Most employees write code as part of their regular work. The firm is known for its technical excellence and for using the most advanced tools available.
- **Benefits**: Daily breakfast and lunch, fully-stocked kitchens, on-site gyms, nursing suites, quiet rooms, recreation spaces, health services, and more. Offices are designed for collaboration and deep focus.
- **Remote/Hybrid Policy**: Not explicitly stated, but the firm emphasizes in-person collaboration on trading floors. Offices are located in major global cities.
- **Diversity**: Actively seeks people from all backgrounds and emphasizes that the company is only as strong as its people.

## Sources
1. [janestreet.com - Home](https://www.janestreet.com/)
2. [janestreet.com - Overview](https://www.janestreet.com/join-jane-street/overview/)
3. [janestreet.com - What We Do](https://www.janestreet.com/what-we-do/overview/)
4. [janestreet.com - Departments](https://www.janestreet.com/join-jane-street/departments)
5. [janestreet.com - Open Roles](https://www.janestreet.com/join-jane-street/open-roles/)

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