Otter tech stack
Otter builds mostly with Java, SQL, Go, Python. Its stack also includes AWS, GCP, PostgreSQL, Redis. Java is named in 9 of the 15 job postings Otter published in the last 12 months (60%). Counted by Alion from the job postings of Otter, updated Oct 14, 2026.
What programming languages does Otter use?
Java is named in 60% of job postings at Otter, followed by SQL (33%), Go (27%), Python (27%).
C# Show all (11)
What frameworks and libraries does Otter use?
Flink is named in 20% of job postings at Otter, followed by React.js (13%), Cypress (7%), Jest (7%).
What databases does Otter use?
PostgreSQL is named in 33% of job postings at Otter, followed by Redis (27%), CockroachDB (13%), Trino (13%).
What cloud and platforms does Otter use?
AWS is named in 40% of job postings at Otter, followed by GCP (40%), Azure (33%), Apache Kafka (13%).
AWS
6 40%
GCP
6 40%
Azure
5 33%
Apache Kafka
2 13%
Kubernetes
2 13%
.NET
1 7%
Show all (10)
What developer tools does Otter use?
Docker is named in 13% of job postings at Otter, followed by GraphQL (7%), Rest API (7%), gRPC (7%).
Which engineering practices does Otter ask for?
CI/CD is named in 20% of job postings at Otter, followed by A/B Testing (7%), Machine Learning (7%), Offline-First (7%).
What does each Otter team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
9 postingsHow does your stack fit Otter?
How is the Otter 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 Otter stack?
Otter 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: 0.
How common is the Otter stack in its industry?
Share of the 162 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Otter apart
Companies with a stack like Otter
Questions about the Otter tech stack
What programming languages does Otter use?
The languages named in Otter job postings are Java (60%), SQL (33%), Go (27%), Python (27%), TypeScript (20%), as a share of the 15 postings of the last 12 months.
Does Otter use React.js?
Yes. React.js is named in 2 of 15 job postings (13%) and required in 1 of them.
What cloud and platforms does Otter use?
The cloud and platforms named in Otter job postings are AWS (6), GCP (6), Azure (5) (postings in brackets).
What skills do you need for a Backend job at Otter?
Backend postings at Otter most often require Java (8), PostgreSQL (5), AWS (4), Azure (4), out of 9 postings in the last 12 months.
Is the Otter tech stack changing?
Yes. React.js, JavaScript, Kotlin, Flink first appeared in Otter job postings in the last six months.
How modern is the Otter tech stack?
Otter 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: 0.
How does Alion know the Otter tech stack?
Alion reads every job posting Otter publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Oct 14, 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, "Otter tech stack: 45 technologies from 15 job postings", as of Oct 14, 2026. https://alion.io/company/otter-2/technologies