42dot tech stack
42dot builds mostly with Python, C++, Rust, Kotlin. Its stack also includes Linux, Kubernetes, PyTorch, ROS2. Python is named in 60 of the 142 job postings 42dot published in the last 12 months (42%). Counted by Alion from the job postings of 42dot, updated Nov 11, 2026.
What programming languages does 42dot use?
Python is named in 42% of job postings at 42dot, followed by C++ (40%), Rust (15%), Kotlin (11%).
C++ 
Show all (18)
What frameworks and libraries does 42dot use?
PyTorch is named in 12% of job postings at 42dot, followed by ROS2 (5%), CUDA (5%), TensorFlow (4%).
Show all (58)
And 18 more, each named in fewer postings.
What databases does 42dot use?
PostgreSQL is named in 2% of job postings at 42dot, followed by OpenSearch (2%), ElasticSearch (2%), Delta Lake (1%).
PostgreSQL
3 2%
OpenSearch
3 2%
ElasticSearch
3 2%
Delta Lake
2 1%
Redis
1 1%
ClickHouse
1 1%
InfluxDB
1 1%
SQLite
1 1%
What cloud and platforms does 42dot use?
Linux is named in 29% of job postings at 42dot, followed by Kubernetes (15%), AWS (13%), RTOS (8%).
Kubernetes
22 15%
AWS
18 13%
RTOS
12 8%
Figma
10 7%
Azure
7 5%
GitLab CI
6 4%
Spark
6 4%
Show all (33)
What developer tools does 42dot use?
Git is named in 14% of job postings at 42dot, followed by Docker (9%), Jenkins (6%), gRPC (6%).
Show all (47)
And 7 more, each named in fewer postings.
What AI and ML technologies does 42dot use?
LLM is named in 17% of job postings at 42dot, followed by VLM (4%), AWQ (1%), GPTQ (1%).
Which engineering practices does 42dot ask for?
CI/CD is named in 28% of job postings at 42dot, followed by Machine Learning (14%), Vision-Language-Action (10%), AI Agents (10%).
CI/CD
40 28%
AI Agents
14 10%
Computer Vision
12 8%
Fine-tuning
9 6%
Function Calling
9 6%
Show all (83)
And 43 more, each named in fewer postings.
What other technologies does 42dot use?
Kotlin Coroutines is named in 1% of job postings at 42dot.
Kotlin Coroutines
1 1%
What does each 42dot team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
31 postingsDevOps
16 postingsProduct
15 postingsBackend
14 postingsIndustrial Engineering
12 postingsQA
11 postingsHow does your stack fit 42dot?
How much does 42dot pay by technology?
Median stated pay of the postings that name each technology, against the median of all 42dot postings with stated pay: $250k across 25 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 17 | $254k | +2% |
| C++ | 13 | $248k | −1% |
| Linux | 7 | $250k | 0% |
| PyTorch | 6 | $254k | +2% |
How is the 42dot 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 42dot stack?
42dot scores 78 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: 7; legacy ones: 0.
How common is the 42dot stack in its industry?
Share of the 545 companies in the same industries, whose stack Alion knows, that use each technology.
What sets 42dot apart
Companies with a stack like 42dot
Questions about the 42dot tech stack
What programming languages does 42dot use?
The languages named in 42dot job postings are Python (42%), C++ (40%), Rust (15%), Kotlin (11%), Java (7%), as a share of the 142 postings of the last 12 months.
Does 42dot use PyTorch?
Yes. PyTorch is named in 17 of 142 job postings (12%) and required in 15 of them.
What cloud and platforms does 42dot use?
The cloud and platforms named in 42dot job postings are Linux (41), Kubernetes (22), AWS (18) (postings in brackets).
What skills do you need for a AI/ML job at 42dot?
AI/ML postings at 42dot most often require Python (22), LLM (13), PyTorch (13), C++ (11), out of 31 postings in the last 12 months.
Is the 42dot tech stack changing?
Yes. Hugging Face, IEC 62304, JAX, FMEA first appeared in 42dot job postings in the last six months.
How modern is the 42dot tech stack?
42dot scores 78 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: 7; legacy ones: 0.
How does Alion know the 42dot tech stack?
Alion reads every job posting 42dot publishes and tags the technologies each one names. The figures on this page count the 142 postings of the last 12 months and were updated on Nov 11, 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, "42dot tech stack: 255 technologies from 142 job postings", as of Nov 11, 2026. https://alion.io/company/42dot/technologies