TikTok tech stack
TikTok builds mostly with Python, SQL, C++, Java. Its stack also includes PyTorch, Tableau, TensorFlow, Power BI. Python is named in 664 of the 1,543 job postings TikTok published in the last 12 months (43%). Counted by Alion from the job postings of TikTok, updated Sep 28, 2026.
What programming languages does TikTok use?
Python is named in 43% of job postings at TikTok, followed by SQL (29%), C++ (24%), Java (19%).
Python
664 43%
SQL
455 29%
C++
375 24%
Java
286 19%
Go
144 9%
JavaScript
62 4%
Rust
28 2%
Kotlin
22 1%
Show all (27)
What frameworks and libraries does TikTok use?
PyTorch is named in 13% of job postings at TikTok, followed by TensorFlow (10%), Flink (6%), PyTorch C++ (6%).
PyTorch
206 13%
TensorFlow
156 10%
Flink
100 6%
PyTorch C++
98 6%
TensorFlow C++
82 5%
Hadoop
55 4%
Transformers
38 2%
LangChain
33 2%
Show all (69)
And 29 more, each named in fewer postings.
What databases does TikTok use?
Redis is named in 2% of job postings at TikTok, followed by MySQL (2%), HBase (2%), ClickHouse (1%).
Redis
37 2%
MySQL
28 2%
HBase
25 2%
ClickHouse
21 1%
ElasticSearch
14 1%
Snowflake
12 1%
Presto
10 1%
RocksDB
9 1%
Show all (22)
What cloud and platforms does TikTok use?
Tableau is named in 10% of job postings at TikTok, followed by Power BI (8%), Spark (5%), Apache Kafka (4%).
Tableau
161 10%
Power BI
117 8%
Spark
82 5%
Apache Kafka
66 4%
Figma
35 2%
vLLM
29 2%
Show all (42)
And 2 more, each named in fewer postings.
What developer tools does TikTok use?
Microsoft Excel is named in 11% of job postings at TikTok, followed by Model Context Protocol (2%), TensorRT (2%), Claude Code (1%).
Model Context Protocol
37 2%
TensorRT
36 2%
Claude Code
19 1%
Adobe Photoshop
16 1%
Cursor
16 1%
Canva
16 1%
Docker
12 1%
Show all (47)
And 7 more, each named in fewer postings.
What AI and ML technologies does TikTok use?
LLM is named in 24% of job postings at TikTok, followed by ChatGPT (2%), Claude (2%), VLM (2%).
LLM
369 24%
ChatGPT
30 2%
Claude
28 2%
VLM
27 2%
PEFT
21 1%
Gemini
17 1%
Stable Diffusion
13 1%
Midjourney
10 1%
Show all (16)
Which engineering practices does TikTok ask for?
Machine Learning is named in 33% of job postings at TikTok, followed by Multimodal AI (17%), AI Agents (15%), Recommender Systems (15%).
Multimodal AI
261 17%
AI Agents
234 15%
NLP
203 13%
Reinforcement Learning
123 8%
RAG
101 7%
Show all (100)
And 60 more, each named in fewer postings.
What does each TikTok team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
377 postingsEarly Careers
210 postingsBackend
157 postingsOperations
95 postingsAnalytics
95 postingsProduct
94 postingsHow does your stack fit TikTok?
How much does TikTok pay by technology?
Median stated pay of the postings that name each technology, against the median of all TikTok postings with stated pay: $237k across 28 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 14 | $222k | −6% |
| SQL | 14 | $204k | −14% |
| Tableau | 10 | $207k | −13% |
How is the TikTok 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 TikTok stack?
TikTok 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: 16; legacy ones: 0.
How common is the TikTok stack in its industry?
Share of the 1,077 companies in the same industries, whose stack Alion knows, that use each technology.
What sets TikTok apart
Companies with a stack like TikTok
Questions about the TikTok tech stack
What programming languages does TikTok use?
The languages named in TikTok job postings are Python (43%), SQL (29%), C++ (24%), Java (19%), Go (9%), as a share of the 1,543 postings of the last 12 months.
Does TikTok use PyTorch?
Yes. PyTorch is named in 206 of 1,543 job postings (13%) and required in 186 of them.
What cloud and platforms does TikTok use?
The cloud and platforms named in TikTok job postings are Tableau (161), Power BI (117), Spark (82) (postings in brackets).
What skills do you need for a AI/ML job at TikTok?
AI/ML postings at TikTok most often require Python (233), C++ (182), LLM (159), PyTorch (158), out of 377 postings in the last 12 months.
Is the TikTok tech stack changing?
Yes. Microsoft Entra ID, 1C, Computer Use, LLM Evaluation first appeared in TikTok job postings in the last six months.
How modern is the TikTok tech stack?
TikTok 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: 16; legacy ones: 0.
How does Alion know the TikTok tech stack?
Alion reads every job posting TikTok publishes and tags the technologies each one names. The figures on this page count the 1,543 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, "TikTok tech stack: 323 technologies from 1,543 job postings", as of Sep 28, 2026. https://alion.io/company/tiktok/technologies