Appier tech stack
Appier builds mostly with Python, SQL, Java, JavaScript. Its stack also includes GCP, Kubernetes, PyTorch, TensorFlow. Python is named in 24 of the 51 job postings Appier published in the last 12 months (47%). Counted by Alion from the job postings of Appier, updated Nov 10, 2026.
What programming languages does Appier use?
Python is named in 47% of job postings at Appier, followed by SQL (33%), Java (12%), JavaScript (12%).
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What frameworks and libraries does Appier use?
PyTorch is named in 16% of job postings at Appier, followed by TensorFlow (12%), Flink (6%), OpenTelemetry (4%).
PyTorch
8 16%
TensorFlow
6 12%
Flink
3 6%
OpenTelemetry
2 4%
React.js
2 4%
Hadoop
2 4%
Flutter
1 2%
NumPy
1 2%
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What databases does Appier use?
MySQL is named in 10% of job postings at Appier, followed by ClickHouse (8%), PostgreSQL (8%), Redis (6%).
MySQL
5 10%
ClickHouse
4 8%
PostgreSQL
4 8%
Redis
3 6%
Trino
2 4%
Google BigQuery
2 4%
Firestore
1 2%
Cassandra
1 2%
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What cloud and platforms does Appier use?
GCP is named in 22% of job postings at Appier, followed by Kubernetes (20%), Spark (20%), Linux (14%).
GCP
11 22%
Kubernetes
10 20%
Spark
10 20%
Grafana
6 12%
Tableau
6 12%
AWS
5 10%
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What developer tools does Appier use?
Cursor is named in 20% of job postings at Appier, followed by Copilot (16%), Claude Code (14%), Docker (12%).
Cursor
10 20%
Copilot
8 16%
Claude Code
7 14%
Docker
6 12%
Git
5 10%
Terraform
5 10%
Prometheus
4 8%
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What AI and ML technologies does Appier use?
LLM is named in 22% of job postings at Appier, followed by Claude (16%), ChatGPT (12%), Gemini (4%).
Which engineering practices does Appier ask for?
AI Agents is named in 71% of job postings at Appier, followed by Machine Learning (31%), CI/CD (20%), A/B Testing (16%).
AI Agents
36 71%
CI/CD
10 20%
RAG
7 14%
Function Calling
5 10%
Multimodal AI
5 10%
Incident Management
4 8%
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What other technologies does Appier use?
Kotlin Coroutines is named in 2% of job postings at Appier, followed by Swift Concurrency (2%).
Kotlin Coroutines
1 2%
Swift Concurrency
1 2%
What does each Appier team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
10 postingsBackend
9 postingsData Science
3 postingsHow does your stack fit Appier?
How is the Appier 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 Appier stack?
Appier scores 85 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: 6; legacy ones: 0.
How common is the Appier stack in its industry?
Share of the 2,345 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Appier apart
Companies with a stack like Appier
Questions about the Appier tech stack
What programming languages does Appier use?
The languages named in Appier job postings are Python (47%), SQL (33%), Java (12%), JavaScript (12%), Scala (8%), as a share of the 51 postings of the last 12 months.
Does Appier use PyTorch?
Yes. PyTorch is named in 8 of 51 job postings (16%) and required in 6 of them.
What cloud and platforms does Appier use?
The cloud and platforms named in Appier job postings are GCP (11), Kubernetes (10), Spark (10) (postings in brackets).
What skills do you need for a AI/ML job at Appier?
AI/ML postings at Appier most often require Python (7), PyTorch (6), TensorFlow (6), Kubernetes (3), out of 10 postings in the last 12 months.
Is the Appier tech stack changing?
Yes. OpenTelemetry, Post-training, RLHF, SFT first appeared in Appier job postings in the last six months.
How modern is the Appier tech stack?
Appier scores 85 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: 6; legacy ones: 0.
How does Alion know the Appier tech stack?
Alion reads every job posting Appier publishes and tags the technologies each one names. The figures on this page count the 51 postings of the last 12 months and were updated on Nov 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, "Appier tech stack: 153 technologies from 51 job postings", as of Nov 10, 2026. https://alion.io/company/appier-2/technologies