Bellwether tech stack
Bellwether builds mostly with SQL, Python. Its stack also includes Tableau, Power BI, BigQuery, Google BigQuery. Tableau is named in 4 of the 13 job postings Bellwether published in the last 12 months (31%). Counted by Alion from the job postings of Bellwether, updated Oct 12, 2026.
What programming languages does Bellwether use?
SQL is named in 23% of job postings at Bellwether, followed by Python (15%).
What databases does Bellwether use?
BigQuery is named in 8% of job postings at Bellwether, followed by Google BigQuery (8%), Snowflake (8%).
BigQuery 
What cloud and platforms does Bellwether use?
Tableau is named in 31% of job postings at Bellwether, followed by Power BI (15%), Databricks (8%), Looker (8%).
What developer tools does Bellwether use?
Microsoft Excel is named in 92% of job postings at Bellwether, followed by AutoCAD (8%).
AutoCAD
1 8%
Which engineering practices does Bellwether ask for?
ETL/ELT is named in 8% of job postings at Bellwether.
What does each Bellwether team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Operations
6 postingsHow does your stack fit Bellwether?
How modern is the Bellwether stack?
Bellwether scores 74 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 Bellwether stack in its industry?
Share of the 372 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Bellwether
Questions about the Bellwether tech stack
What programming languages does Bellwether use?
The languages named in Bellwether job postings are SQL (23%), Python (15%), as a share of the 13 postings of the last 12 months.
Does Bellwether use Tableau?
Yes. Tableau is named in 4 of 13 job postings (31%) and required in 4 of them.
What cloud and platforms does Bellwether use?
The cloud and platforms named in Bellwether job postings are Tableau (4), Power BI (2), Databricks (1) (postings in brackets).
What skills do you need for a Operations job at Bellwether?
Operations postings at Bellwether most often require Microsoft Excel (5), Power BI (2), Python (2), SQL (2), out of 6 postings in the last 12 months.
Is the Bellwether tech stack changing?
No new technology has appeared in Bellwether job postings in the last six months.
How modern is the Bellwether tech stack?
Bellwether scores 74 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 Bellwether tech stack?
Alion reads every job posting Bellwether publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Oct 12, 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, "Bellwether tech stack: 12 technologies from 13 job postings", as of Oct 12, 2026. https://alion.io/company/bellwetherco/technologies