Poshmark tech stack
Poshmark builds mostly with SQL, Python, Scala, Ruby. Its stack also includes Amazon Redshift, PyTorch, TensorFlow, Spark. SQL is named in 12 of the 25 job postings Poshmark published in the last 12 months (48%). Counted by Alion from the job postings of Poshmark, updated Sep 28, 2026.
What programming languages does Poshmark use?
SQL is named in 48% of job postings at Poshmark, followed by Python (44%), Scala (24%), Ruby (20%).
SQL
12 48%
Python
11 44%
Scala
6 24%
Ruby
5 20%
Java
4 16%
JavaScript
3 12%
Objective-C
2 8%
Swift
2 8%
Show all (10)
What frameworks and libraries does Poshmark use?
PyTorch is named in 32% of job postings at Poshmark, followed by TensorFlow (32%), Keras (8%), Transformers (8%).
PyTorch
8 32%
TensorFlow
8 32%
Keras
2 8%
Transformers
2 8%
SwiftUI
2 8%
FastAPI
2 8%
Flask
2 8%
Quarkus
2 8%
Show all (11)
What databases does Poshmark use?
Amazon Redshift is named in 32% of job postings at Poshmark, followed by Redis (20%), ElasticSearch (8%), Milvus (8%).
What cloud and platforms does Poshmark use?
Spark is named in 24% of job postings at Poshmark, followed by RabbitMQ (24%), AWS (16%), Amazon Kinesis (16%).
Spark
6 24%
RabbitMQ
6 24%
AWS
4 16%
Apache Kafka
4 16%
Kibana
4 16%
Kubernetes
4 16%
Show all (20)
What developer tools does Poshmark use?
Jenkins is named in 16% of job postings at Poshmark, followed by Docker (16%), pySpark (8%), Git (8%).
Jenkins
4 16%
Docker
4 16%
pySpark
2 8%
Git
2 8%
Gunicorn
2 8%
Rest API
1 4%
Vite
1 4%
Show all (11)
What AI and ML technologies does Poshmark use?
Claude is named in 12% of job postings at Poshmark, followed by ChatGPT (8%), PEFT (8%), Gemini (4%).
Which engineering practices does Poshmark ask for?
Machine Learning is named in 36% of job postings at Poshmark, followed by A/B Testing (16%), Computer Vision (8%), Recommender Systems (8%).
Computer Vision
2 8%
MVVM
2 8%
Embeddings
2 8%
Fine-tuning
2 8%
Show all (12)
What other technologies does Poshmark use?
Swift Concurrency is named in 8% of job postings at Poshmark.
Swift Concurrency
2 8%
What does each Poshmark team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
7 postingsBackend
6 postingsHow does your stack fit Poshmark?
How much does Poshmark pay by technology?
Median stated pay of the postings that name each technology, against the median of all Poshmark postings with stated pay: $213k across 17 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 7 | $215k | +1% |
| Python | 6 | $241k | +13% |
| Ruby | 5 | $213k | 0% |
How is the Poshmark 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 Poshmark stack?
Poshmark scores 90 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: 5; legacy ones: 0.
How common is the Poshmark stack in its industry?
Share of the 338 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Poshmark apart
Companies with a stack like Poshmark
Questions about the Poshmark tech stack
What programming languages does Poshmark use?
The languages named in Poshmark job postings are SQL (48%), Python (44%), Scala (24%), Ruby (20%), Java (16%), as a share of the 25 postings of the last 12 months.
Does Poshmark use PyTorch?
Yes. PyTorch is named in 8 of 25 job postings (32%) and required in 4 of them.
What cloud and platforms does Poshmark use?
The cloud and platforms named in Poshmark job postings are Spark (6), RabbitMQ (6), AWS (4) (postings in brackets).
What skills do you need for a AI/ML job at Poshmark?
AI/ML postings at Poshmark most often require PyTorch (3), TensorFlow (3), Keras (2), Python (2), out of 7 postings in the last 12 months.
Is the Poshmark tech stack changing?
Yes. Looker, ElasticSearch, Linux, Braze first appeared in Poshmark job postings in the last six months.
How modern is the Poshmark tech stack?
Poshmark scores 90 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: 5; legacy ones: 0.
How does Alion know the Poshmark tech stack?
Alion reads every job posting Poshmark publishes and tags the technologies each one names. The figures on this page count the 25 postings of the last 12 months and were updated on Sep 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, "Poshmark tech stack: 75 technologies from 25 job postings", as of Sep 28, 2026. https://alion.io/company/poshmark/technologies