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# C++ Software Engineer

- **Company:** Old Mission
- **Location:** Greater London, UK
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Algorithmic Trading, Bash Shell, C++ (Programming Language), Linux, Python (Programming Language), Linux Kernel, Mercurial, Network Protocols, Subversion, System Programming, Multithreading, Git, Information Technology, Low Latency, C++14
- **Published:** August 26, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815157406-c-software-engineer

## About the Role

* BS/BA degree in Computer Science, Engineering, or another technical related field
 * 3+ years of experience developing applications in modern C++
 * Experience with C++ 11/14/17/20, Linux, and Python and BASH scripting
 * In-depth knowledge of the Linux kernel and systems programming
 * A passion for solving challenging problems
 * Strong systems knowledge and preference for some experience in developing low latency systems
 * Experience with writing applications connecting to exchange APIs or using network protocols
 * Experience with parallel, concurrent, and multi-threaded programming
 * Prefer experience with low latency computing and hardware-level design
 * Experience with Git, SVN, and Mercurial

## 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.

Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth.

About The Position

Old Mission Capital LLC is looking to add a C++ Software Engineer to join our team in London. In this role, you will be building and optimizing our current automated trading infrastructure, and you will also be tasked with working directly with our Traders and Quants to develop the next generation of the firm's trading algorithms and strategies. Additionally, you will be responsible for creating and developing scalable multi-tiered applications. Our Software Engineers work on small collaborative teams and are a key component for our success.

Required Skills

 * BS/BA degree in Computer Science, Engineering, or another technical related field
 * 3+ years of experience developing applications in modern C++
 * Experience with C++ 11/14/17/20, Linux, and Python and BASH scripting
 * In-depth knowledge of the Linux kernel and systems programming
 * A passion for solving challenging problems
 * Strong systems knowledge and preference for some experience in developing low latency systems
 * Experience with writing applications connecting to exchange APIs or using network protocols
 * Experience with parallel, concurrent, and multi-threaded programming
 * Prefer experience with low latency computing and hardware-level design
 * Experience with Git, SVN, and Mercurial

Benefits And Perks

 * Competitive salary with discretionary annual bonus
 * Fully paid private medical, dental, vision with extended coverage and life insurance
 * Robust Pension Scheme, income protection, and salary exchange
 * Fully stocked kitchen and free on-site lunch daily
 * Season Ticket Loan Scheme
 * Tuition Reimbursement Program


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