OpenTag tech stack
OpenTag builds mostly with SQL, Go, Java, JavaScript. Its stack also includes Apache Kafka, Kubernetes, PostgreSQL, Spring Boot. SQL is named in 4 of the 7 job postings OpenTag published in the last 12 months (57%). Counted by Alion from the job postings of OpenTag, updated Oct 1, 2026.
What programming languages does OpenTag use?
SQL is named in 57% of job postings at OpenTag, followed by Go (43%), Java (29%), JavaScript (14%).
What frameworks and libraries does OpenTag use?
Spring Boot is named in 29% of job postings at OpenTag, followed by Cucumber (14%), OpenTelemetry (14%), Playwright (14%).
What databases does OpenTag use?
PostgreSQL is named in 29% of job postings at OpenTag.
PostgreSQL
2 29%
What cloud and platforms does OpenTag use?
Apache Kafka is named in 57% of job postings at OpenTag, followed by Kubernetes (43%), Adjust (29%), AppsFlyer SDK (29%).
Apache Kafka
4 57%
Kubernetes
3 43%
Adjust
2 29%
AppsFlyer SDK
2 29%
GCP
1 14%
GitLab
1 14%
Grafana
1 14%
Show all (14)
What developer tools does OpenTag use?
Docker is named in 43% of job postings at OpenTag, followed by Git (29%), Adobe Photoshop (14%), GraphQL (14%).
Docker
3 43%
Git
2 29%
Adobe Photoshop
1 14%
GraphQL
1 14%
JMeter
1 14%
Prometheus
1 14%
Rest API
1 14%
Show all (10)
Which engineering practices does OpenTag ask for?
CI/CD is named in 43% of job postings at OpenTag, followed by A/B Testing (29%), Clean Architecture (14%), ETL/ELT (14%).
CI/CD
3 43%
Clean Architecture
1 14%
Gitflow
1 14%
Deep Linking
1 14%
What does each OpenTag team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Marketing
3 postingsHow does your stack fit OpenTag?
How modern is the OpenTag stack?
OpenTag 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 OpenTag stack in its industry?
Share of the 227 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like OpenTag
Questions about the OpenTag tech stack
What programming languages does OpenTag use?
The languages named in OpenTag job postings are SQL (57%), Go (43%), Java (29%), JavaScript (14%), TypeScript (14%), as a share of the 7 postings of the last 12 months.
Does OpenTag use Spring Boot?
Yes. Spring Boot is named in 2 of 7 job postings (29%) and required in 2 of them.
What cloud and platforms does OpenTag use?
The cloud and platforms named in OpenTag job postings are Apache Kafka (4), Kubernetes (3), Adjust (2) (postings in brackets).
What skills do you need for a Marketing job at OpenTag?
Marketing postings at OpenTag most often require Adjust (2), AppsFlyer SDK (2), out of 3 postings in the last 12 months.
Is the OpenTag tech stack changing?
No new technology has appeared in OpenTag job postings in the last six months.
How modern is the OpenTag tech stack?
OpenTag 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 OpenTag tech stack?
Alion reads every job posting OpenTag 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 Oct 1, 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, "OpenTag tech stack: 42 technologies from 7 job postings", as of Oct 1, 2026. https://alion.io/company/theopentag/technologies