SEI tech stack
SEI builds mostly with Python, SQL, Java, JavaScript. Its stack also includes Azure, Power BI, Snowflake, MySQL. Python is named in 12 of the 45 job postings SEI published in the last 12 months (27%). Counted by Alion from the job postings of SEI, updated Sep 26, 2026.
What programming languages does SEI use?
Python is named in 27% of job postings at SEI, followed by SQL (22%), Java (9%), JavaScript (4%).
Show all (12)
What frameworks and libraries does SEI use?
Spring Boot is named in 4% of job postings at SEI, followed by AutoGen (4%), CrewAI (4%), LangChain (4%).
Spring Boot
2 4%
AutoGen
2 4%
CrewAI
2 4%
LangChain
2 4%
Angular
1 2%
Hibernate
1 2%
LangGraph
1 2%
LlamaIndex
1 2%
Show all (13)
What databases does SEI use?
Snowflake is named in 9% of job postings at SEI, followed by MySQL (4%), Azure Cosmos DB (2%), Azure SQL Database (2%).
Snowflake
4 9%
MySQL
2 4%
Azure Cosmos DB
1 2%
Azure SQL Database
1 2%
MS SQL
1 2%
OpenSearch
1 2%
Oracle
1 2%
PostgreSQL
1 2%
What cloud and platforms does SEI use?
Azure is named in 18% of job postings at SEI, followed by Power BI (18%), AWS (16%), Kubernetes (11%).
Azure
8 18%
Power BI
8 18%
AWS
7 16%
Kubernetes
5 11%
Apache Kafka
4 9%
GCP
3 7%
GitLab
2 4%
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What developer tools does SEI use?
Microsoft Excel is named in 44% of job postings at SEI, followed by Docker (9%), Terraform (9%), Git (7%).
Docker
4 9%
Terraform
4 9%
Git
3 7%
Jenkins
3 7%
Copilot
3 7%
Rest API
2 4%
Ansible
2 4%
Show all (19)
Which engineering practices does SEI ask for?
CI/CD is named in 11% of job postings at SEI, followed by ETL/ELT (9%), Machine Learning (7%), Platform Engineering (7%).
CI/CD
5 11%
Platform Engineering
3 7%
AI Agents
3 7%
Prompt Engineering
3 7%
Show all (21)
What does each SEI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
7 postingsBackend
4 postingsHow does your stack fit SEI?
How is the SEI 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 SEI stack?
SEI scores 77 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: 1; legacy ones: 1.
How common is the SEI stack in its industry?
Share of the 706 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like SEI
Questions about the SEI tech stack
What programming languages does SEI use?
The languages named in SEI job postings are Python (27%), SQL (22%), Java (9%), JavaScript (4%), Node JS (4%), as a share of the 45 postings of the last 12 months.
Does SEI use Spring Boot?
Yes. Spring Boot is named in 2 of 45 job postings (4%) and required in 2 of them.
What cloud and platforms does SEI use?
The cloud and platforms named in SEI job postings are Azure (8), Power BI (8), AWS (7) (postings in brackets).
What skills do you need for a Analytics job at SEI?
Analytics postings at SEI most often require SQL (5), Power BI (3), Python (3), Azure (2), out of 7 postings in the last 12 months.
Is the SEI tech stack changing?
Yes. MySQL, Rest API, Spring Boot, LLM first appeared in SEI job postings in the last six months.
How modern is the SEI tech stack?
SEI scores 77 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: 1; legacy ones: 1.
How does Alion know the SEI tech stack?
Alion reads every job posting SEI publishes and tags the technologies each one names. The figures on this page count the 45 postings of the last 12 months and were updated on Sep 26, 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, "SEI tech stack: 98 technologies from 45 job postings", as of Sep 26, 2026. https://alion.io/company/sei-4/technologies