Colossal tech stack
Colossal builds mostly with Python, C++, JavaScript, Java. Its stack also includes AWS, Azure, MySQL, PostgreSQL. Python is named in 3 of the 7 job postings Colossal published in the last 12 months (43%). Counted by Alion from the job postings of Colossal, updated Sep 26, 2026.
What programming languages does Colossal use?
Python is named in 43% of job postings at Colossal, followed by C++ (29%), JavaScript (29%), Java (14%).
SAS What databases does Colossal use?
MySQL is named in 14% of job postings at Colossal, followed by PostgreSQL (14%).
MySQL
1 14%
PostgreSQL
1 14%
What cloud and platforms does Colossal use?
AWS is named in 14% of job postings at Colossal, followed by Azure (14%), GCP (14%), Linux (14%).
What developer tools does Colossal use?
Rest API is named in 14% of job postings at Colossal, followed by SLURM (14%), Adobe After Effects (14%).
Which engineering practices does Colossal ask for?
HPC is named in 14% of job postings at Colossal, followed by Machine Learning (14%).
HPC
1 14%
How does your stack fit Colossal?
How is the Colossal 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 Colossal stack?
Colossal scores 73 out of 100 (Modern). 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.
Questions about the Colossal tech stack
What programming languages does Colossal use?
The languages named in Colossal job postings are Python (43%), C++ (29%), JavaScript (29%), Java (14%), Perl (14%), as a share of the 7 postings of the last 12 months.
What cloud and platforms does Colossal use?
The cloud and platforms named in Colossal job postings are AWS (1), Azure (1), GCP (1) (postings in brackets).
Is the Colossal tech stack changing?
Yes. Python, C++, JavaScript first appeared in Colossal job postings in the last six months.
How modern is the Colossal tech stack?
Colossal scores 73 out of 100 (Modern). 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 Colossal tech stack?
Alion reads every job posting Colossal publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Sep 26, 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, "Colossal tech stack: 18 technologies from 7 job postings", as of Sep 26, 2026. https://alion.io/company/colossal-4/technologies