C++ Software Engineer
Old Mission
| Company | Old Mission |
| Category | Engineering |
| Location | London |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 20 Mar 2025 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
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
7+ 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, systems programming
A passion for solving challenging problems
Strong systems knowledge and prefer some experience in developing low latency systems
Experience with writing applications connecting to exchange API’s 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, 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
Cycle to Work Scheme
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.
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