OpenTrain AI tech stack

OpenTrain AI builds mostly with Python, TypeScript, C++, Rust. Its stack also includes GitHub, Flutter, Jetpack Compose. Python is named in 11 of the 15 job postings OpenTrain AI published in the last 12 months (73%). Counted by Alion from the job postings of OpenTrain AI, updated Oct 31, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 31, 2026
Technologies in use
28
Postings analysed
15
Open now
12
Modernity
80 /100

What programming languages does OpenTrain AI use?

Python is named in 73% of job postings at OpenTrain AI, followed by TypeScript (53%), C++ (47%), Rust (47%).

Python 11 73% required in 100% · 8 open now · since Oct 2026
TypeScript 8 53% required in 100% · 8 open now · since Oct 2026
C++ 7 47% required in 100% · 7 open now · since Oct 2026
Rust 7 47% required in 100% · 7 open now · since Oct 2026
Java 6 40% required in 100% · 6 open now · since Oct 2026
JavaScript 6 40% required in 33% · 6 open now · since Oct 2026
Go 5 33% required in 100% · 5 open now · since Oct 2026
Node JS 4 27% required in 100% · 4 open now · since Oct 2026
Show all (13)
C#1
Dart1
Kotlin1
Ruby1
Swift1

What frameworks and libraries does OpenTrain AI use?

Flutter is named in 7% of job postings at OpenTrain AI, followed by Jetpack Compose (7%), Pandas (7%), React Native (7%).

Flutter 1 7% required in 100% · 1 open now · since Oct 2026
Jetpack Compose 1 7% required in 100% · 1 open now · since Oct 2026
Pandas 1 7% required in 100% · 1 open now · since Oct 2026
React Native 1 7% required in 100% · 1 open now · since Oct 2026
Scikit-learn 1 7% required in 100% · since Oct 2026
SwiftUI 1 7% required in 100% · 1 open now · since Oct 2026
TensorFlow 1 7% required in 100% · since Oct 2026
UIKit 1 7% required in 100% · 1 open now · since Oct 2026
Show all (9)
React.js1

What cloud and platforms does OpenTrain AI use?

GitHub is named in 13% of job postings at OpenTrain AI.

GitHub 2 13% required in 100% · 2 open now · since Oct 2026

What developer tools does OpenTrain AI use?

CATIA is named in 7% of job postings at OpenTrain AI, followed by SolidWorks (7%).

CATIA 1 7% required in 100% · 1 open now · since Oct 2026
SolidWorks 1 7% required in 100% · 1 open now · since Oct 2026

Which engineering practices does OpenTrain AI ask for?

Machine Learning is named in 40% of job postings at OpenTrain AI, followed by CI/CD (7%), GD&T (7%).

Machine Learning 6 40% required in 100% · 3 open now · since Oct 2026
CI/CD 1 7% required in 100% · 1 open now · since Oct 2026
GD&T 1 7% required in 100% · 1 open now · since Oct 2026

What does each OpenTrain AI team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Backend

5 postings
C++5
Java5
Python5
Rust5
TypeScript5
Go4

Industrial Engineering

3 postings
C++2
Python2
Rust2
TypeScript2

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How modern is the OpenTrain AI stack?

Cutting-edge 80/100

OpenTrain AI scores 80 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: 0; legacy ones: 0.

How common is the OpenTrain AI stack in its industry?

Share of the 2,132 companies in the same industries, whose stack Alion knows, that use each technology.

Python60%
TypeScript37%
C++16%
Rust8%
Java22%
JavaScript48%
Go15%
Node JS23%
GitHub19%
C#17%

Questions about the OpenTrain AI tech stack

What programming languages does OpenTrain AI use?

The languages named in OpenTrain AI job postings are Python (73%), TypeScript (53%), C++ (47%), Rust (47%), Java (40%), as a share of the 15 postings of the last 12 months.

Does OpenTrain AI use GitHub?

Yes. GitHub is named in 2 of 15 job postings (13%) and required in 2 of them.

What cloud and platforms does OpenTrain AI use?

The cloud and platforms named in OpenTrain AI job postings are GitHub (2) (postings in brackets).

What skills do you need for a Backend job at OpenTrain AI?

Backend postings at OpenTrain AI most often require C++ (5), Java (5), Python (5), Rust (5), out of 5 postings in the last 12 months.

Is the OpenTrain AI tech stack changing?

No new technology has appeared in OpenTrain AI job postings in the last six months.

How modern is the OpenTrain AI tech stack?

OpenTrain AI scores 80 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: 0; legacy ones: 0.

How does Alion know the OpenTrain AI tech stack?

Alion reads every job posting OpenTrain AI publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Oct 31, 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, "OpenTrain AI tech stack: 28 technologies from 15 job postings", as of Oct 31, 2026. https://alion.io/company/opentrain-ai/technologies

Licence: CC BY-SA 4.0JSON