Citian tech stack
Citian builds mostly with Python, SQL, Node JS, TypeScript. Its stack also includes AWS, AWS Lambda, Snowflake, PostgreSQL. Python is named in 6 of the 14 job postings Citian published in the last 12 months (43%). Counted by Alion from the job postings of Citian, updated Oct 11, 2026.
What programming languages does Citian use?
Python is named in 43% of job postings at Citian, followed by SQL (43%), Node JS (7%), TypeScript (7%).
What frameworks and libraries does Citian use?
NLTK is named in 7% of job postings at Citian, followed by Next.js (7%), NumPy (7%), Pandas (7%).
NLTK
1 7%
Next.js
1 7%
NumPy
1 7%
Pandas
1 7%
PostGIS
1 7%
PyTorch
1 7%
React.js
1 7%
Scikit-learn
1 7%
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What databases does Citian use?
Snowflake is named in 21% of job postings at Citian, followed by PostgreSQL (21%), MySQL (14%).
What cloud and platforms does Citian use?
AWS is named in 43% of job postings at Citian, followed by AWS Lambda (21%), Amazon S3 (21%), GitLab (14%).
AWS
6 43%
AWS Lambda
3 21%
GitLab
2 14%
Postman
2 14%
Spark
2 14%
Kubernetes
1 7%
What developer tools does Citian use?
Docker is named in 7% of job postings at Citian, followed by Jenkins (7%), Terraform (7%).
Which engineering practices does Citian ask for?
Machine Learning is named in 100% of job postings at Citian, followed by ETL/ELT (14%), CI/CD (7%), Computer Vision (7%).
CI/CD
1 7%
Computer Vision
1 7%
Fine-tuning
1 7%
Function Calling
1 7%
NLP
1 7%
Show all (10)
How does your stack fit Citian?
How is the Citian 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 Citian stack?
Citian scores 77 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 Citian stack in its industry?
Share of the 219 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Citian
Questions about the Citian tech stack
What programming languages does Citian use?
The languages named in Citian job postings are Python (43%), SQL (43%), Node JS (7%), TypeScript (7%), JavaScript (7%), as a share of the 14 postings of the last 12 months.
Does Citian use AWS?
Yes. AWS is named in 6 of 14 job postings (43%) and required in 6 of them.
What cloud and platforms does Citian use?
The cloud and platforms named in Citian job postings are AWS (6), AWS Lambda (3), Amazon S3 (3) (postings in brackets).
Is the Citian tech stack changing?
Yes. ETL/ELT, MySQL, Spark, Snowflake first appeared in Citian job postings in the last six months.
How modern is the Citian tech stack?
Citian scores 77 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 Citian tech stack?
Alion reads every job posting Citian publishes and tags the technologies each one names. The figures on this page count the 14 postings of the last 12 months and were updated on Oct 11, 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, "Citian tech stack: 38 technologies from 14 job postings", as of Oct 11, 2026. https://alion.io/company/citian/technologies