42dot tech stack

42dot builds mostly with Python, C++, Kotlin, Rust. Its stack also includes Linux, Kubernetes, PyTorch, ROS2. Python is named in 38 of the 108 job postings 42dot published in the last 12 months (35%). Counted by Alion from the job postings of 42dot, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
231
Postings analysed
108
Open now
71
Modernity
79 /100
New in 6 months
8

What programming languages does 42dot use?

Python is named in 35% of job postings at 42dot, followed by C++ (34%), Kotlin (15%), Rust (14%).

Python 38 35% required in 87% · 26 open now · since Apr 2026
C++ 37 34% required in 86% · 26 open now · since Dec 2024
Kotlin 16 15% required in 81% · 11 open now · since Mar 2026
Rust 15 14% required in 67% · 10 open now · since Dec 2024
Java 10 9% required in 90% · 3 open now · since Jul 2026
JavaScript 8 7% required in 25% · 5 open now · since Apr 2026
Bash 6 6% required in 100% · 5 open now · since Jun 2026
SQL 5 5% required in 80% · 1 open now · since Jul 2026
Show all (18)
TypeScript3
C#2
Go2
HLSL2
MATLAB2
C2
Embedded C1
Lua1
Node JS1
Scala1

What frameworks and libraries does 42dot use?

PyTorch is named in 11% of job postings at 42dot, followed by ROS2 (6%), TensorFlow (5%), CUDA (5%).

PyTorch 12 11% required in 83% · 10 open now · since Apr 2026
ROS2 7 6% required in 71% · 4 open now · since May 2026
TensorFlow 5 5% required in 60% · 5 open now · since Apr 2026
CUDA 5 5% required in 20% · 5 open now · since Jul 2026
React.js 4 4% required in 75% · 1 open now · since Jul 2026
ROS 4 4% required in 50% · 3 open now · since Jun 2026
Bootstrap 3 3% required in 100% · 3 open now · since Apr 2026
Next.js 3 3% required in 100% · 1 open now · since Jul 2026
Show all (50)
PyTorch C++3
Three.JS3
PoC Library3
OpenCL3
MLX ML2
SGLang2
TensorRT-LLM2
Unity2
Unreal Engine2
Ray2
Apache TVM1
Appium1
DataStore1
FFmpeg1
FastAPI1
Flask1
GStreamer1
Hilt1
JAX1
Jetpack Compose1
Keras1
LangChain1
MLIR1
ONNX Runtime1
OpenTelemetry1
Pytest1
React Three Fiber1
Room1
Spring Boot1
TensorFlow C++1
Transformers1
Triton1

And 10 more, each named in fewer postings.

What databases does 42dot use?

PostgreSQL is named in 4% of job postings at 42dot, followed by Delta Lake (3%), OpenSearch (3%), ElasticSearch (3%).

PostgreSQL 4 4% required in 100% · 4 open now · since Apr 2026
Delta Lake 3 3% required in 100% · 3 open now · since Apr 2026
OpenSearch 3 3% required in 33% · 1 open now · since Jul 2026
ElasticSearch 3 3% optional · 1 open now · since Jul 2026
Redis 1 1% required in 100% · 1 open now · since Jul 2026
ClickHouse 1 1% optional · since Jul 2026
InfluxDB 1 1% optional · 1 open now · since May 2026
SQLite 1 1% optional · 1 open now · since Jul 2026

What cloud and platforms does 42dot use?

Linux is named in 25% of job postings at 42dot, followed by Kubernetes (18%), AWS (12%), Figma (8%).

Linux 27 25% required in 81% · 24 open now · since May 2026
Kubernetes 19 18% required in 32% · 12 open now · since Jul 2026
AWS 13 12% required in 23% · 6 open now · since Jul 2026
Figma 9 8% required in 56% · 6 open now · since Jul 2026
Spark 7 6% required in 57% · 4 open now · since Apr 2026
CUDA Toolkit 7 6% required in 29% · 5 open now · since Jul 2026
GitLab CI 6 6% required in 100% · 6 open now · since Jun 2026
RTOS 6 6% required in 67% · 4 open now · since Jun 2026
Show all (32)
Databricks5
Apache Kafka5
Grafana5
Airflow4
GitHub Actions4
GitLab4
Azure4
Datadog4
API Gateway3
GCP3
vLLM2
Framer2
Istio2
Buildkite1
Firebase1
FreeRTOS1
GitHub1
Looker1
Power BI1
U-Boot1
Amazon EKS1
Amazon Kinesis1
Postman1
Tableau1

What developer tools does 42dot use?

Git is named in 11% of job postings at 42dot, followed by Docker (10%), Jenkins (6%), gRPC (6%).

Git 12 11% required in 92% · 6 open now · since May 2026
Docker 11 10% required in 55% · 8 open now · since Jun 2026
Jenkins 7 6% required in 71% · 6 open now · since Jun 2026
gRPC 7 6% required in 57% · 4 open now · since May 2026
Rest API 5 5% required in 100% · 1 open now · since Jul 2026
MQTT 4 4% required in 75% · 3 open now · since Jul 2026
ProtoPie 4 4% required in 50% · 3 open now · since Jul 2026
CMake 4 4% required in 25% · 4 open now · since Jun 2026
Show all (42)
Helm4
WebSockets4
Prometheus4
Bazel3
CARLA3
Terraform3
Foxglove Studio2
ONNX2
SLURM2
TensorRT2
llama.cpp2
ArgoCD2
Model Context Protocol2
Copilot2
Envoy2
Gerrit2
JMeter1
Locust1
SolidWorks1
WebRTC1
k61
3ds Max1
A2A1
Charles Proxy1
Claude Code1
Cursor1
Loki1
OpenAI Codex1
Pulumi1
QEMU1
Simulink1
Swagger1

And 2 more, each named in fewer postings.

What AI and ML technologies does 42dot use?

LLM is named in 18% of job postings at 42dot, followed by VLM (5%), AWQ (2%), GPTQ (2%).

LLM 19 18% required in 68% · 14 open now · since Jun 2026
VLM 5 5% required in 60% · 4 open now · since Apr 2026
AWQ 2 2% required in 100% · 1 open now · since Jul 2026
GPTQ 2 2% required in 100% · 1 open now · since Jul 2026
ChatGPT 2 2% optional · since Jul 2026
Claude 1 1% optional · since Jul 2026

Which engineering practices does 42dot ask for?

CI/CD is named in 22% of job postings at 42dot, followed by Machine Learning (15%), AI Agents (11%), Computer Vision (8%).

CI/CD 24 22% required in 79% · 16 open now · since May 2026
Machine Learning 16 15% required in 100% · 13 open now · since Apr 2026
AI Agents 12 11% required in 50% · 8 open now · since Jul 2026
Computer Vision 9 8% required in 89% · 9 open now · since Jul 2026
Multimodal AI 7 6% required in 86% · 4 open now · since Jul 2026
Fine-tuning 7 6% required in 29% · 6 open now · since Jul 2026
Function Calling 7 6% required in 14% · 6 open now · since Jul 2026
Imitation Learning 5 5% required in 100% · 4 open now · since Jul 2026
Show all (74)
World Models5
Reinforcement Learning5
Vision-Language-Action5
Edge AI5
Post-training5
Tool Use5
Motion Planning4
Physical AI4
Reinforcement Learning4
Self-Supervised Learning4
NLP4
Platform Engineering4
Knowledge Distillation3
SLI/SLO/SLA3
Pre-training3
Synthetic Data3
TCP/IP3
SFT3
Sensor Fusion3
Wi-Fi3
Hybrid Search3
Semantic Search3
Localization2
Model Distillation2
Model Predictive Control2
Quantization2
RAG2
VLAN2
IAM2
Time Series Forecasting2
eBPF2
LLM Evaluation2

And 34 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% required in 100% · 1 open now · since Jul 2026

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

24 postings
Python18
LLM10
PyTorch9
C++8
Airflow4
Databricks4

DevOps

15 postings
C++6
Linux6
Python5
Git4
GitLab CI4
Jenkins4

Industrial Engineering

11 postings
C++7
Kotlin3
Linux3
Rust3
C#2
HLSL2

Backend

10 postings
C++4
Linux4
Java3
Rust3
API Gateway2
Git2

QA

5 postings
C++2
Python2

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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.

First appeared
MATLABJul 2026
Semantic SearchJul 2026
RAGJul 2026
OpenSearchJul 2026
ElasticSearchJul 2026
Hybrid SearchJul 2026
Semantic SearchJul 2026
Wi-FiJul 2026
Rising
Kubernetes0% → 20%
AWS0% → 14%
AI Agents0% → 13%
LLM9% → 19%
Java0% → 10%
Computer Vision0% → 9%
Figma0% → 9%
Multimodal AI0% → 7%
Falling
Linux55% → 22%
C++55% → 32%
Databricks18% → 3%
TensorFlow18% → 3%
Rust27% → 13%
Spark18% → 5%
JavaScript18% → 6%
Git18% → 10%

How modern is the 42dot stack?

Cutting-edge AI adopter 79/100

42dot scores 79 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 42dot stack in its industry?

Share of the 170 companies in the same industries, whose stack Alion knows, that use each technology.

Python65%
C++44%
Linux44%
Kubernetes37%
LLM32%
Kotlin9%
Rust14%
AWS52%
PyTorch24%
Java25%

What sets 42dot apart

Bootstrap2%
Next.js4%
OpenCL3%
PoC Library4%

Questions about the 42dot tech stack

What programming languages does 42dot use?

The languages named in 42dot job postings are Python (35%), C++ (34%), Kotlin (15%), Rust (14%), Java (9%), as a share of the 108 postings of the last 12 months.

Does 42dot use PyTorch?

Yes. PyTorch is named in 12 of 108 job postings (11%) and required in 10 of them.

What cloud and platforms does 42dot use?

The cloud and platforms named in 42dot job postings are Linux (27), Kubernetes (19), AWS (13) (postings in brackets).

What skills do you need for a AI/ML job at 42dot?

AI/ML postings at 42dot most often require Python (18), LLM (10), PyTorch (9), C++ (8), out of 24 postings in the last 12 months.

Is the 42dot tech stack changing?

Yes. MATLAB, Semantic Search, RAG, OpenSearch first appeared in 42dot job postings in the last six months.

How modern is the 42dot tech stack?

42dot scores 79 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 42dot tech stack?

Alion reads every job posting 42dot publishes and tags the technologies each one names. The figures on this page count the 108 postings of the last 12 months and were updated on Sep 27, 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: 231 technologies from 108 job postings", as of Sep 27, 2026. https://alion.io/company/42dot/technologies

Licence: CC BY-SA 4.0JSON