Sei tech stack
Sei builds mostly with SQL, Go, TypeScript, Solidity. Its stack also includes Databricks, AWS, OpenTelemetry. Databricks is named in 6 of the 8 job postings Sei published in the last 12 months (75%). Counted by Alion from the job postings of Sei, updated Oct 10, 2026.
What programming languages does Sei use?
SQL is named in 50% of job postings at Sei, followed by Go (38%), TypeScript (38%), Solidity (25%).
What frameworks and libraries does Sei use?
OpenTelemetry is named in 13% of job postings at Sei.
OpenTelemetry
1 13%
What cloud and platforms does Sei use?
Databricks is named in 75% of job postings at Sei, followed by AWS (38%), Kubernetes (13%).
What developer tools does Sei use?
Terraform is named in 38% of job postings at Sei, followed by Docker (13%), Microsoft Excel (13%), Prometheus (13%).
Which engineering practices does Sei ask for?
CI/CD is named in 13% of job postings at Sei, followed by Incident Management (13%), Platform Engineering (13%).
What does each Sei team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 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 76 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: 0; legacy ones: 0.
How common is the Sei stack in its industry?
Share of the 82 companies in the same industries, whose stack Alion knows, that use each technology.
Sei products in its job postings
Postings at Sei name its own products. They describe what the company makes, so they are left out of the stack above.
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 SQL (50%), Go (38%), TypeScript (38%), Solidity (25%), as a share of the 8 postings of the last 12 months.
Does Sei use Databricks?
Yes. Databricks is named in 6 of 8 job postings (75%) and required in 6 of them.
What cloud and platforms does Sei use?
The cloud and platforms named in Sei job postings are Databricks (6), AWS (3), Kubernetes (1) (postings in brackets).
What skills do you need for a Backend job at Sei?
Backend postings at Sei most often require Databricks (5), AWS (3), Go (3), SQL (3), out of 5 postings in the last 12 months.
Is the Sei tech stack changing?
No new technology has appeared in Sei job postings in the last six months.
How modern is the Sei tech stack?
Sei scores 76 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: 0; legacy ones: 0.
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 8 postings of the last 12 months and were updated on Oct 10, 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: 15 technologies from 8 job postings", as of Oct 10, 2026. https://alion.io/company/sei/technologies