BLS tech stack
BLS builds mostly with Java, Python, SQL. Its stack also includes GitLab, OpenShift. Java is named in 2 of the 3 job postings BLS published in the last 12 months (67%). Counted by Alion from the job postings of BLS, updated Nov 11, 2026.
What programming languages does BLS use?
Java is named in 67% of job postings at BLS, followed by Python (33%), SQL (33%).
What cloud and platforms does BLS use?
GitLab is named in 67% of job postings at BLS, followed by OpenShift (67%), Microsoft Fabric (33%), Power BI (33%).
What developer tools does BLS use?
Informatica is named in 33% of job postings at BLS.
Which engineering practices does BLS ask for?
CI/CD is named in 67% of job postings at BLS, followed by ETL/ELT (33%).
How does your stack fit BLS?
How modern is the BLS stack?
BLS 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 BLS stack in its industry?
Share of the 433 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like BLS
Questions about the BLS tech stack
What programming languages does BLS use?
The languages named in BLS job postings are Java (67%), Python (33%), SQL (33%), as a share of the 3 postings of the last 12 months.
Does BLS use GitLab?
Yes. GitLab is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does BLS use?
The cloud and platforms named in BLS job postings are GitLab (2), OpenShift (2), Microsoft Fabric (1) (postings in brackets).
Is the BLS tech stack changing?
No new technology has appeared in BLS job postings in the last six months.
How modern is the BLS tech stack?
BLS 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 BLS tech stack?
Alion reads every job posting BLS publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Nov 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, "BLS tech stack: 10 technologies from 3 job postings", as of Nov 11, 2026. https://alion.io/company/bls-ch/technologies