EFSOL tech stack
EFSOL builds mostly with 1C, Python, C#, PowerShell. Its stack also includes Grafana, ElasticSearch, OpenSearch. 1C is named in 5 of the 6 job postings EFSOL published in the last 12 months (83%). Counted by Alion from the job postings of EFSOL, updated Oct 6, 2026.
What programming languages does EFSOL use?
1C is named in 83% of job postings at EFSOL, followed by Python (33%), C# (17%), PowerShell (17%).
1C 
What databases does EFSOL use?
ElasticSearch is named in 17% of job postings at EFSOL, followed by OpenSearch (17%), MS SQL (17%), PostgreSQL (17%).
What cloud and platforms does EFSOL use?
Grafana is named in 17% of job postings at EFSOL.
Grafana
1 17%
What developer tools does EFSOL use?
Claude Code is named in 17% of job postings at EFSOL, followed by Git (17%), OpenAI Codex (17%).
What AI and ML technologies does EFSOL use?
Claude is named in 17% of job postings at EFSOL, followed by LLM (17%).
Which engineering practices does EFSOL ask for?
CI/CD is named in 17% of job postings at EFSOL, followed by SOAP (17%).
CI/CD
1 17%
How does your stack fit EFSOL?
How modern is the EFSOL stack?
EFSOL scores 85 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 EFSOL stack in its industry?
Share of the 546 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like EFSOL
Questions about the EFSOL tech stack
What programming languages does EFSOL use?
The languages named in EFSOL job postings are 1C (83%), Python (33%), C# (17%), PowerShell (17%), SQL (17%), as a share of the 6 postings of the last 12 months.
What cloud and platforms does EFSOL use?
The cloud and platforms named in EFSOL job postings are Grafana (1) (postings in brackets).
Is the EFSOL tech stack changing?
No new technology has appeared in EFSOL job postings in the last six months.
How modern is the EFSOL tech stack?
EFSOL scores 85 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 EFSOL tech stack?
Alion reads every job posting EFSOL publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Oct 6, 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, "EFSOL tech stack: 17 technologies from 6 job postings", as of Oct 6, 2026. https://alion.io/company/efsol/technologies