---
title: 'Junior Quantitative Trader (APAC) at Old Mission'
canonical: 'https://feeny.ai/job/junior-quantitative-trader-apac-old-mission-hong-kong-a7s1pffbzyej'
type: 'job'
last_seen: '2026-10-16'
---

# Junior Quantitative Trader (APAC) at Old Mission

- **Company:** Old Mission
- **Location:** Hong Kong, China
- **Posted:** 2026-10-01
- **Last confirmed live:** 2026-10-16
- **Apply:** https://www.oldmissioncapital.com/careers/?gh_jid=8010585003

## Job description

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.

## About The Position

Old Mission Capital, a quantitative proprietary trading firm, is currently recruiting a Junior Quantitative Trader to join our APAC office. Our traders work in teams to seek out and profitably trade mispriced securities. The junior trader needs to be driven and have a passion for understanding how things work. The job responsibilities will include disciplined decision-making, risk management, derivative pricing, and researching new opportunities for profitable businesses.

Responsibilities:

- Oversee and manage the trade execution and risk of complex trading portfolios across the firm.
- Implement trading strategies that leverage technology to efficiently execute trades at minimum transactional costs.
- Conduct post-trade analysis to evaluate P&L, execution quality, strategy performance, etc.
- Continuously evaluate strategy performance and adapt models to changing market conditions.

Required Skills:

- A degree in a quantitative field such as computer science, engineering, or one of the hard sciences.
- Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby
- 3+ years of relevant equity or options trading experience.
- Experienced with automated trading systems.
- Proven trustworthiness and performance under the highest ethical standards.
- Great attention to detail.
- Ability to solve problems in a high-pressure environment.
- Superior written and verbal communication skills.
- Must be self-motivated, dependable, responsible and results driven.
- Maintain integrity at all times.
- A strong work ethic and ability to adapt quickly in a fast-paced environment

Who are we looking for?

Passion for trading is critical! Besides meeting the qualifications the most successful candidates will have a strong desire to understand how things work. You should have a deep interest in the financial markets and want to join a collaborative team. We value each other’s ideas and have the mindset to continuously improve and build towards the future.

Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

## About Old Mission

## Company Overview
- **One-liner**: Old Mission is a global, multi-asset market maker that uses proprietary technology to value securities and derivatives and provide liquidity to exchanges and institutional investors.
- **Entity Type**: Private (no external funding rounds disclosed; self-funded through operations)
- **Headquarters**: Chicago, Illinois, United States
- **Founded**: 2008
- **Founders**: Not publicly disclosed

## Core Business
- **Primary industry**: Financial Services – Quantitative Market Making
- **Target customers**: B2B – Exchanges, brokers, institutional investors
- **Mission**: “Make the financial markets more efficient by leveraging proprietary technology, sophisticated quantitative techniques, and unique ability to manage diverse portfolio of risks.” [oldmissioncapital.com](https://www.oldmissioncapital.com/)

## Products & Services
- **Market-Making Platform**: Proprietary system that dynamically values individual securities and complex derivatives, enabling rapid risk transfer across equities, options, FX, fixed income, and ETFs. [oldmissioncapital.com](https://www.oldmissioncapital.com/)
- **Risk Management Services**: Offers competitive pricing and liquidity on- and off-exchange, supported by a unique risk management approach that adapts quickly to changing market dynamics. [oldmissioncapital.com](https://www.oldmissioncapital.com/)

## Market Standing
- **Valuation / Market Cap**: Not disclosed (private company)
- **Key Metric**: Total employees – 206 (as of mid-2026), with 8.0% year-over-year headcount growth. [linkedin.com](https://www.linkedin.com/company/old-mission)
- **Notable Investors / Partners**: Privately held; no external investors listed. Works with the world’s largest exchanges, brokers, and institutional investors.
- **Growth Signals**: 30 active job postings (monthly +7.1%, quarterly +57.9%); operates in 6 countries (US, UK, Saudi Arabia, Netherlands, Ireland, Canada); paid a $13.1M distribution to parent in January 2026, indicating strong profitability. [sec.gov](https://www.sec.gov/Archives/edgar/data/1431146/000143114626000003/OMC_PUB25E.pdf)

## Competitive Advantages
- **Proprietary Technology**: Decade‑plus investment in a system that can dynamically value individual securities and intricate derivatives at market speed.
- **Tighter Pricing**: Often provides prices “much tighter than our competition” for a wide range of financial instruments. [oldmissioncapital.com](https://www.oldmissioncapital.com/)
- **Flat Hierarchy & Agility**: As a privately held firm with a flat structure, resources can be shifted rapidly; founders still sit on the trading floor, enabling quick decision-making.
- **Multi‑Asset, Global Reach**: Covers thousands of financial instruments globally, with offices in major financial hubs.

## Strategic Focus
- **Expanding Global Presence**: Adding offices in new regions (e.g., Saudi Arabia, Netherlands) and deepening relationships with exchanges and institutional clients.
- **Technology Investment**: Continual refinement of market-making models and risk management systems to maintain competitive speed and pricing.
- **Talent Development**: World‑class educational program and “learning while doing” philosophy to build the next generation of quantitative traders and engineers. [oldmissioncapital.com](https://www.oldmissioncapital.com/working-at-old-mission/)

## Why Work Here
- **Culture & Values**: “Outwardly competitive culture with a flat hierarchy that respects good ideas, wherever they come from.” Transparency and collaboration are core. [oldmissioncapital.com](https://www.oldmissioncapital.com/)
- **Immediate Responsibility**: Traders, engineers, and operations staff are given ownership of critical processes from day one; new hires work at scale and measure impact in real time.
- **Work Environment**: Modern offices with well-stocked kitchens and plenty of social opportunities; founders and senior leaders remain accessible on the trading floor.
- **Learning & Growth**: Formal education program combined with hands‑on mentorship. Engineers get exposure to the entire technology stack (Python, C++, Kubernetes, etc.) and traders learn from desk heads directly.
- **Compensation & Reviews**: Employer rating of 4.2/5.0 (42 reviews) with high marks for culture (4.6), compensation (4.4), and career development (4.6). [linkedin.com](https://www.linkedin.com/company/old-mission)
- **Work Policy**: Likely office‑focused given trading floor environment; roles are based in Chicago, New York, and London.

## Sources
1. [oldmissioncapital.com](https://www.oldmissioncapital.com/)
2. [linkedin.com](https://www.linkedin.com/company/old-mission)
3. [sec.gov](https://www.sec.gov/Archives/edgar/data/1431146/000143114626000003/OMC_PUB25E.pdf)
4. [oldmissioncapital.com – Working at Old Mission](https://www.oldmissioncapital.com/working-at-old-mission/)

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