Old Mission tech stack
Old Mission builds mostly with Python, C++, MATLAB, Ruby. Its stack also includes Linux, MySQL, PostgreSQL, Apache Kafka. Python is named in 17 of the 19 job postings Old Mission published in the last 12 months (89%). Counted by Alion from the job postings of Old Mission, updated Oct 13, 2026.
What programming languages does Old Mission use?
Python is named in 89% of job postings at Old Mission, followed by C++ (53%), MATLAB (16%), Ruby (11%).
Python
17 89%
C++
10 53%
MATLAB
3 16%
Ruby
2 11%
SQL
2 11%
Java
1 5%
JavaScript
1 5%
TypeScript
1 5%
What frameworks and libraries does Old Mission use?
React.js is named in 5% of job postings at Old Mission.
React.js
1 5%
What databases does Old Mission use?
MySQL is named in 11% of job postings at Old Mission, followed by PostgreSQL (11%).
MySQL
2 11%
PostgreSQL
2 11%
What cloud and platforms does Old Mission use?
Linux is named in 26% of job postings at Old Mission, followed by Apache Kafka (5%).
Apache Kafka
1 5%
What developer tools does Old Mission use?
Microsoft Excel is named in 11% of job postings at Old Mission.
What does each Old Mission team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsEarly Careers
4 postingsData Science
3 postingsHR
3 postingsHow does your stack fit Old Mission?
How is the Old Mission stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Old Mission stack?
Old Mission scores 79 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the Old Mission stack in its industry?
Share of the 85 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Old Mission
Questions about the Old Mission tech stack
What programming languages does Old Mission use?
The languages named in Old Mission job postings are Python (89%), C++ (53%), MATLAB (16%), Ruby (11%), SQL (11%), as a share of the 19 postings of the last 12 months.
Does Old Mission use Linux?
Yes. Linux is named in 5 of 19 job postings (26%) and required in 5 of them.
What cloud and platforms does Old Mission use?
The cloud and platforms named in Old Mission job postings are Linux (5), Apache Kafka (1) (postings in brackets).
What skills do you need for a Backend job at Old Mission?
Backend postings at Old Mission most often require Python (5), Linux (4), C++ (3), MySQL (2), out of 5 postings in the last 12 months.
Is the Old Mission tech stack changing?
Yes. Microsoft Excel first appeared in Old Mission job postings in the last six months.
How modern is the Old Mission tech stack?
Old Mission scores 79 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the Old Mission tech stack?
Alion reads every job posting Old Mission publishes and tags the technologies each one names. The figures on this page count the 19 postings of the last 12 months and were updated on Oct 13, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Old Mission tech stack: 14 technologies from 19 job postings", as of Oct 13, 2026. https://alion.io/company/oldmissioncapital/technologies