Co-Builder tech stack
Co-Builder builds mostly with Go, Java, Python, SQL. Its stack also includes AWS, Apache Kafka, Apache Hudi, Apache Iceberg. Go is named in 3 of the 3 job postings Co-Builder published in the last 12 months (100%). Counted by Alion from the job postings of Co-Builder, updated Oct 28, 2026.
What programming languages does Co-Builder use?
Go is named in 100% of job postings at Co-Builder, followed by Java (100%), Python (100%), SQL (67%).
What frameworks and libraries does Co-Builder use?
Flink is named in 67% of job postings at Co-Builder.
Flink
2 67%
What databases does Co-Builder use?
Apache Hudi is named in 67% of job postings at Co-Builder, followed by Apache Iceberg (67%), Delta Lake (67%), MySQL (67%).
Apache Hudi
2 67%
Apache Iceberg
2 67%
Delta Lake
2 67%
MySQL
2 67%
PostgreSQL
2 67%
ClickHouse
2 67%
Druid
2 67%
Presto
2 67%
Show all (9)
What cloud and platforms does Co-Builder use?
AWS is named in 67% of job postings at Co-Builder, followed by Apache Kafka (67%), Apache Pulsar (67%), Azure (67%).
What developer tools does Co-Builder use?
Apache HTTP Server is named in 67% of job postings at Co-Builder.
Which engineering practices does Co-Builder ask for?
Feature Store is named in 67% of job postings at Co-Builder.
What does each Co-Builder team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Co-Builder?
How modern is the Co-Builder stack?
Co-Builder 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 Co-Builder stack in its industry?
Share of the 2,322 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Co-Builder
Questions about the Co-Builder tech stack
What programming languages does Co-Builder use?
The languages named in Co-Builder job postings are Go (100%), Java (100%), Python (100%), SQL (67%), Scala (67%), as a share of the 3 postings of the last 12 months.
Does Co-Builder use Flink?
Yes. Flink is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does Co-Builder use?
The cloud and platforms named in Co-Builder job postings are AWS (2), Apache Kafka (2), Apache Pulsar (2) (postings in brackets).
What skills do you need for a Backend job at Co-Builder?
Backend postings at Co-Builder most often require Go (3), Java (3), Python (3), AWS (2), out of 3 postings in the last 12 months.
Is the Co-Builder tech stack changing?
No new technology has appeared in Co-Builder job postings in the last six months.
How modern is the Co-Builder tech stack?
Co-Builder 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 Co-Builder tech stack?
Alion reads every job posting Co-Builder 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 Oct 28, 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, "Co-Builder tech stack: 25 technologies from 3 job postings", as of Oct 28, 2026. https://alion.io/company/co-builder/technologies