ClosureTech tech stack
ClosureTech builds mostly with Python, SQL, Java, JavaScript. Its stack also includes Tableau, AWS, PostgreSQL, ElasticSearch. Python is named in 6 of the 8 job postings ClosureTech published in the last 12 months (75%). Counted by Alion from the job postings of ClosureTech, updated Oct 1, 2026.
What programming languages does ClosureTech use?
Python is named in 75% of job postings at ClosureTech, followed by SQL (63%), Java (13%), JavaScript (13%).
What frameworks and libraries does ClosureTech use?
FastAPI is named in 13% of job postings at ClosureTech, followed by PostGIS (13%), Vue.js (13%), GDAL (13%).
What databases does ClosureTech use?
PostgreSQL is named in 25% of job postings at ClosureTech, followed by ElasticSearch (13%).
PostgreSQL
2 25%
ElasticSearch
1 13%
What cloud and platforms does ClosureTech use?
Tableau is named in 38% of job postings at ClosureTech, followed by AWS (38%), Linux (25%), Active Directory (13%).
What developer tools does ClosureTech use?
CDKTF is named in 13% of job postings at ClosureTech, followed by Rest API (13%), Docker (13%), QGIS (13%).
What AI and ML technologies does ClosureTech use?
Claude is named in 25% of job postings at ClosureTech, followed by LLM (13%).
Which engineering practices does ClosureTech ask for?
Machine Learning is named in 50% of job postings at ClosureTech, followed by ETL/ELT (13%), RAG (13%), Computer Vision (13%).
RAG
1 13%
Computer Vision
1 13%
Fine-tuning
1 13%
Reinforcement Learning
1 13%
What does each ClosureTech team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
4 postingsHow does your stack fit ClosureTech?
How modern is the ClosureTech stack?
ClosureTech scores 87 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: 2; legacy ones: 0.
How common is the ClosureTech stack in its industry?
Share of the 2,313 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like ClosureTech
Questions about the ClosureTech tech stack
What programming languages does ClosureTech use?
The languages named in ClosureTech job postings are Python (75%), SQL (63%), Java (13%), JavaScript (13%), TypeScript (13%), as a share of the 8 postings of the last 12 months.
Does ClosureTech use Tableau?
Yes. Tableau is named in 3 of 8 job postings (38%) and required in 1 of them.
What cloud and platforms does ClosureTech use?
The cloud and platforms named in ClosureTech job postings are Tableau (3), AWS (3), Linux (2) (postings in brackets).
What skills do you need for a Data Science job at ClosureTech?
Data Science postings at ClosureTech most often require Python (4), SQL (3), out of 4 postings in the last 12 months.
Is the ClosureTech tech stack changing?
No new technology has appeared in ClosureTech job postings in the last six months.
How modern is the ClosureTech tech stack?
ClosureTech scores 87 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: 2; legacy ones: 0.
How does Alion know the ClosureTech tech stack?
Alion reads every job posting ClosureTech publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 1, 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, "ClosureTech tech stack: 32 technologies from 8 job postings", as of Oct 1, 2026. https://alion.io/company/closure-tech/technologies