Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEOld Mission_
As of 30 October 2026, Old Mission has 39 open roles (3 new in 30 days), its finance & accounting team is hiring most, and its postings name Python, C++ and Linux as the tools the team works in.
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- , , United States
- Employees
- 201-500 employees (linkedin)
- Sells to
- institutional investors, exchanges, brokers
- Certifications on site
- Site languages
- EN
- Career system
- Ashby
Old Mission in one screen
Read from oldmissioncapital.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Old Mission is a quantitative market-making firm that provides securities valuation, risk transfer, and liquidity for institutional investors, exchanges, and brokers. It operates a proprietary platform that values thousands of financial instruments globally and has traded trillions of dollars of securities. Services are provided in the U.S. by SEC-registered broker-dealer subsidiaries.
Named on the site: institutional investors, exchanges, brokers, financial exchanges, broker dealers.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 588 scored.
What Old Mission says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
• Automate trading infrastructure/application management in Python• You will work on solving problems relating to how data is transmitted between C++ and Python• Work with Linux, network, and datacenter engineers to troubleshoot issues and optimize trading performance• Ideal candidates will have some exposure to one of the following technologies: Python, SQL, and Excel/VBA;• Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby• Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby• Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby• Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby• Familiarity with Bloomberg and/or Reuters.PostgreSQL,MySQL, etc.)• Experience with Git, SVN, Mercurial• Experience with C++ 11/14/17/20, Linux and Python and BASH scripting• Experience with Git, SVN, Mercurial• Experience with Git, SVN, MercurialVendors whose code loads on oldmissioncapital.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
39 open roles, 10 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring finance & accounting in United States →
| open · new 30 d | |
|---|---|
| Finance & accounting | 19 · 2 |
| Software engineering | 10 · 0 |
| Data & AI | 1 · 0 |
| Legal, compliance & risk | 1 · 0 |
| research and science | 1 · 0 |
| Unclassified | 1 · 0 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Old Mission to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Old Mission
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 588 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Old Mission (, United States, 201-500 employees) has 39 open roles, 3 new in 30 days, and names 14 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/oldmissioncapital.com)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from oldmissioncapital.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Ashby career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Old Mission: questions
Does Old Mission use Python?
Yes, by the company's own words: 31 postings name it, first seen 2021-05-04, in the finance & accounting team.
Is Old Mission hiring?
39 open roles as of 30 October 2026, 3 opened in the last 30 days and 0 closed. The largest team hiring is finance & accounting.
Where does this profile come from?
From oldmissioncapital.com itself: we crawled it on 2026-09-07, built the profile on 2026-09-12, and read its career site (Ashby) hourly since. Headcount is from LinkedIn.
Who should I write to at Old Mission?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 0 public role addresses from the site are there too.
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