Viber tech stack
Viber builds mostly with Python, Java, JavaScript, TypeScript. Its stack also includes AWS, Kubernetes, Couchbase, Angular. Python is named in 8 of the 17 job postings Viber published in the last 12 months (47%). Counted by Alion from the job postings of Viber, updated Oct 14, 2026.
What programming languages does Viber use?
Python is named in 47% of job postings at Viber, followed by Java (35%), JavaScript (24%), TypeScript (24%).
Python
8 47%
Java
6 35%
JavaScript
4 24%
TypeScript
4 24%
Bash
3 18%
Kotlin
3 18%
Lua
3 18%
C++
2 12%
Show all (13)
What frameworks and libraries does Viber use?
Angular is named in 12% of job postings at Viber, followed by CallKit (12%), Fastify (12%), Nest.JS (12%).
Angular
2 12%
CallKit
2 12%
Fastify
2 12%
Nest.JS
2 12%
Next.js
2 12%
React Query
2 12%
React.js
2 12%
Yup
2 12%
Show all (20)
What databases does Viber use?
Couchbase is named in 12% of job postings at Viber, followed by ClickHouse (6%).
Couchbase
2 12%
ClickHouse
1 6%
What cloud and platforms does Viber use?
AWS is named in 41% of job postings at Viber, followed by Kubernetes (18%), Linux (18%), AWS Lambda (12%).
AWS
7 41%
Kubernetes
3 18%
AWS Lambda
2 12%
Figma
1 6%
GCP
1 6%
Show all (12)
What developer tools does Viber use?
Rest API is named in 29% of job postings at Viber, followed by WebRTC (29%), Docker (24%), Tcpdump (18%).
What AI and ML technologies does Viber use?
ChatGPT is named in 6% of job postings at Viber, followed by LLM (6%), Midjourney (6%).
Which engineering practices does Viber ask for?
TCP/IP is named in 29% of job postings at Viber, followed by CI/CD (18%), SLI/SLO/SLA (18%), VPN (18%).
CI/CD
3 18%
SLI/SLO/SLA
3 18%
MVP
2 12%
Show all (12)
What other technologies does Viber use?
Kotlin Coroutines is named in 6% of job postings at Viber.
Kotlin Coroutines
1 6%
What does each Viber team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsMobile
3 postingsIndustrial Engineering
3 postingsHow does your stack fit Viber?
How modern is the Viber stack?
Viber scores 86 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: 3; legacy ones: 0.
How common is the Viber stack in its industry?
Share of the 43 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Viber
Questions about the Viber tech stack
What programming languages does Viber use?
The languages named in Viber job postings are Python (47%), Java (35%), JavaScript (24%), TypeScript (24%), Bash (18%), as a share of the 17 postings of the last 12 months.
Does Viber use Angular?
Yes. Angular is named in 2 of 17 job postings (12%) and required in 2 of them.
What cloud and platforms does Viber use?
The cloud and platforms named in Viber job postings are AWS (7), Kubernetes (3), Linux (3) (postings in brackets).
What skills do you need for a Backend job at Viber?
Backend postings at Viber most often require Docker (4), JavaScript (4), AWS (3), AWS Lambda (2), out of 4 postings in the last 12 months.
Is the Viber tech stack changing?
No new technology has appeared in Viber job postings in the last six months.
How modern is the Viber tech stack?
Viber scores 86 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: 3; legacy ones: 0.
How does Alion know the Viber tech stack?
Alion reads every job posting Viber publishes and tags the technologies each one names. The figures on this page count the 17 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, "Viber tech stack: 70 technologies from 17 job postings", as of Oct 14, 2026. https://alion.io/company/rakuten-viber/technologies