Expand Energy tech stack
Expand Energy builds mostly with SQL, Python, C#, C++. Its stack also includes Snowflake, GitHub, GitLab, NumPy. SQL is named in 4 of the 7 job postings Expand Energy published in the last 12 months (57%). Counted by Alion from the job postings of Expand Energy, updated Nov 13, 2026.
What programming languages does Expand Energy use?
SQL is named in 57% of job postings at Expand Energy, followed by Python (43%), C# (29%), C++ (29%).
C# 
What frameworks and libraries does Expand Energy use?
NumPy is named in 29% of job postings at Expand Energy, followed by SciPy (29%).
What databases does Expand Energy use?
Snowflake is named in 43% of job postings at Expand Energy.
Snowflake
3 43%
What cloud and platforms does Expand Energy use?
GitHub is named in 29% of job postings at Expand Energy, followed by GitLab (29%), Databricks (14%), Spark (14%).
What developer tools does Expand Energy use?
Git is named in 29% of job postings at Expand Energy, followed by Copilot (14%), Microsoft Excel (14%).
Which engineering practices does Expand Energy ask for?
NERC CIP is named in 29% of job postings at Expand Energy, followed by Time Series (29%), CI/CD (14%), ETL/ELT (14%).
Time Series 
How does your stack fit Expand Energy?
How modern is the Expand Energy stack?
Expand Energy scores 73 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 Expand Energy stack in its industry?
Share of the 480 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Expand Energy
Questions about the Expand Energy tech stack
What programming languages does Expand Energy use?
The languages named in Expand Energy job postings are SQL (57%), Python (43%), C# (29%), C++ (29%), as a share of the 7 postings of the last 12 months.
Does Expand Energy use NumPy?
Yes. NumPy is named in 2 of 7 job postings (29%) and required in 2 of them.
What cloud and platforms does Expand Energy use?
The cloud and platforms named in Expand Energy job postings are GitHub (2), GitLab (2), Databricks (1) (postings in brackets).
Is the Expand Energy tech stack changing?
No new technology has appeared in Expand Energy job postings in the last six months.
How modern is the Expand Energy tech stack?
Expand Energy scores 73 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 Expand Energy tech stack?
Alion reads every job posting Expand Energy 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 Nov 13, 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, "Expand Energy tech stack: 19 technologies from 7 job postings", as of Nov 13, 2026. https://alion.io/company/expandenergy/technologies