Xiaohongshu tech stack
Xiaohongshu builds mostly with Python, C++, Java, SQL. Its stack also includes PyTorch, Linux, PyTorch C++, Redis. Python is named in 196 of the 576 job postings Xiaohongshu published in the last 12 months (34%). Counted by Alion from the job postings of Xiaohongshu, updated Oct 4, 2026.
What programming languages does Xiaohongshu use?
Python is named in 34% of job postings at Xiaohongshu, followed by C++ (30%), Java (26%), SQL (8%).
Python
196 34%
C++
174 30%
Java
147 26%
SQL
46 8%
JavaScript
38 7%
Kotlin
28 5%
TypeScript
25 4%
Go
19 3%
Show all (16)
What frameworks and libraries does Xiaohongshu use?
PyTorch is named in 15% of job postings at Xiaohongshu, followed by PyTorch C++ (6%), TensorFlow (5%), React.js (5%).
PyTorch
89 15%
PyTorch C++
34 6%
TensorFlow
27 5%
React.js
27 5%
SGLang
24 4%
DeepSpeed
23 4%
LangChain
23 4%
Show all (67)
And 27 more, each named in fewer postings.
What databases does Xiaohongshu use?
Redis is named in 5% of job postings at Xiaohongshu, followed by MySQL (5%), ElasticSearch (1%), ClickHouse (1%).
Redis
31 5%
MySQL
28 5%
ElasticSearch
7 1%
ClickHouse
5 1%
Milvus
4 1%
PostgreSQL
3 1%
RocksDB
2 <1%
GraphDB
1 <1%
Show all (14)
What cloud and platforms does Xiaohongshu use?
Linux is named in 6% of job postings at Xiaohongshu, followed by Kubernetes (5%), vLLM (4%), GitHub (4%).
Kubernetes
30 5%
vLLM
23 4%
GitHub
21 4%
Spark
21 4%
Apache Kafka
18 3%
CUDA Toolkit
18 3%
Figma
14 2%
Show all (33)
What developer tools does Xiaohongshu use?
Model Context Protocol is named in 7% of job postings at Xiaohongshu, followed by Claude Code (6%), Cursor (6%), Copilot (3%).
Model Context Protocol
38 7%
Claude Code
35 6%
Cursor
33 6%
Copilot
19 3%
TensorRT
17 3%
WebRTC
13 2%
Show all (48)
And 8 more, each named in fewer postings.
What AI and ML technologies does Xiaohongshu use?
LLM is named in 27% of job postings at Xiaohongshu, followed by VLM (4%), Claude (2%), Qwen (2%).
Show all (17)
Which engineering practices does Xiaohongshu ask for?
AI Agents is named in 19% of job postings at Xiaohongshu, followed by RAG (13%), Function Calling (11%), NLP (9%).
AI Agents
110 19%
RAG
74 13%
Function Calling
61 11%
NLP
53 9%
RLHF
32 6%
Prompt Engineering
27 5%
Show all (57)
And 17 more, each named in fewer postings.
What does each Xiaohongshu team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
239 postingsEarly Careers
86 postingsBackend
79 postingsIndustrial Engineering
39 postingsDevOps
31 postingsProduct
26 postingsHow does your stack fit Xiaohongshu?
How is the Xiaohongshu 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 Xiaohongshu stack?
Xiaohongshu 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: 17; legacy ones: 0.
Companies with a stack like Xiaohongshu
Questions about the Xiaohongshu tech stack
What programming languages does Xiaohongshu use?
The languages named in Xiaohongshu job postings are Python (34%), C++ (30%), Java (26%), SQL (8%), JavaScript (7%), as a share of the 576 postings of the last 12 months.
Does Xiaohongshu use PyTorch?
Yes. PyTorch is named in 89 of 576 job postings (15%) and required in 89 of them.
What cloud and platforms does Xiaohongshu use?
The cloud and platforms named in Xiaohongshu job postings are Linux (35), Kubernetes (30), vLLM (23) (postings in brackets).
What skills do you need for a AI/ML job at Xiaohongshu?
AI/ML postings at Xiaohongshu most often require Python (94), C++ (89), LLM (86), PyTorch (64), out of 239 postings in the last 12 months.
Is the Xiaohongshu tech stack changing?
Yes. LLaVA, ETL/ELT, Gemini, MLIR first appeared in Xiaohongshu job postings in the last six months.
How modern is the Xiaohongshu tech stack?
Xiaohongshu 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: 17; legacy ones: 0.
How does Alion know the Xiaohongshu tech stack?
Alion reads every job posting Xiaohongshu publishes and tags the technologies each one names. The figures on this page count the 576 postings of the last 12 months and were updated on Oct 4, 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, "Xiaohongshu tech stack: 252 technologies from 576 job postings", as of Oct 4, 2026. https://alion.io/company/xiaohongshu/technologies