VASS tech stack
VASS builds mostly with Python, SQL, Bash, C#. Its stack also includes AWS, Linux, PostgreSQL, BigQuery. Python is named in 5 of the 7 job postings VASS published in the last 12 months (71%). Counted by Alion from the job postings of VASS, updated Oct 4, 2026.
What programming languages does VASS use?
Python is named in 71% of job postings at VASS, followed by SQL (57%), Bash (14%), C# (14%).
What frameworks and libraries does VASS use?
Entity Framework Core is named in 14% of job postings at VASS, followed by LangChain (14%), LangGraph (14%), LlamaIndex (14%).
Entity Framework Core
1 14%
LangChain
1 14%
LangGraph
1 14%
LlamaIndex
1 14%
NeMo Guardrails
1 14%
Ragas
1 14%
TruLens
1 14%
pgvector
1 14%
What databases does VASS use?
PostgreSQL is named in 29% of job postings at VASS, followed by BigQuery (14%), Google BigQuery (14%), Milvus (14%).
PostgreSQL
2 29%
BigQuery
1 14%
Google BigQuery
1 14%
Milvus
1 14%
MySQL
1 14%
Pinecone
1 14%
Qdrant
1 14%
Redis
1 14%
What cloud and platforms does VASS use?
AWS is named in 71% of job postings at VASS, followed by Linux (57%), Spark (43%), Amazon S3 (29%).
AWS
5 71%
Spark
3 43%
Azure
2 29%
GCP
2 29%
.NET
1 14%
AWS Bedrock
1 14%
Show all (17)
What developer tools does VASS use?
Git is named in 57% of job postings at VASS, followed by Terraform (43%), pySpark (43%), Rest API (29%).
Which engineering practices does VASS ask for?
Configuration Management is named in 14% of job postings at VASS, followed by ETL/ELT (14%), FinOps (14%), ISO 42001 (14%).
Configuration Management
1 14%
FinOps
1 14%
NLP
1 14%
Show all (10)
What does each VASS team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
3 postingsHow does your stack fit VASS?
How is the VASS 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 VASS stack?
VASS scores 72 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 common is the VASS stack in its industry?
Share of the 1,344 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like VASS
Questions about the VASS tech stack
What programming languages does VASS use?
The languages named in VASS job postings are Python (71%), SQL (57%), Bash (14%), C# (14%), JavaScript (14%), as a share of the 7 postings of the last 12 months.
Does VASS use AWS?
Yes. AWS is named in 5 of 7 job postings (71%) and required in 5 of them.
What cloud and platforms does VASS use?
The cloud and platforms named in VASS job postings are AWS (5), Linux (4), Spark (3) (postings in brackets).
What skills do you need for a Data Science job at VASS?
Data Science postings at VASS most often require AWS (3), Git (3), Linux (3), Python (3), out of 3 postings in the last 12 months.
Is the VASS tech stack changing?
Yes. Azure, GCP, PostgreSQL, AWS first appeared in VASS job postings in the last six months.
How modern is the VASS tech stack?
VASS scores 72 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 VASS tech stack?
Alion reads every job posting VASS 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 Oct 4, 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, "VASS tech stack: 56 technologies from 7 job postings", as of Oct 4, 2026. https://alion.io/company/vass/technologies