OuterSignal tech stack

OuterSignal builds mostly with Node JS, Python, TypeScript, JavaScript. Its stack also includes Kubernetes, PostgreSQL, Hugging Face, ClickHouse. Kubernetes is named in 2 of the 3 job postings OuterSignal published in the last 12 months (67%). Counted by Alion from the job postings of OuterSignal, updated Sep 30, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 30, 2026
Technologies in use
23
Postings analysed
3
Open now
3
Modernity
95 /100

What programming languages does OuterSignal use?

Node JS is named in 33% of job postings at OuterSignal, followed by Python (33%), TypeScript (33%), JavaScript (33%).

Node JS 1 33% required in 100% · 1 open now · since Dec 2025
Python 1 33% required in 100% · 1 open now · since Dec 2025
TypeScript 1 33% required in 100% · 1 open now · since Dec 2025
JavaScript 1 33% optional · 1 open now · since Dec 2025

What frameworks and libraries does OuterSignal use?

PyTorch is named in 33% of job postings at OuterSignal, followed by Ray (33%), pgvector (33%).

PyTorch 1 33% required in 100% · 1 open now · since Jul 2026
Ray 1 33% required in 100% · 1 open now · since Jul 2026
pgvector 1 33% required in 100% · 1 open now · since Dec 2025

What databases does OuterSignal use?

PostgreSQL is named in 67% of job postings at OuterSignal, followed by ClickHouse (33%), Pinecone (33%), Redis (33%).

PostgreSQL 2 67% required in 100% · 2 open now · since Dec 2025
ClickHouse 1 33% required in 100% · 1 open now · since Jul 2026
Pinecone 1 33% required in 100% · 1 open now · since Dec 2025
Redis 1 33% required in 100% · 1 open now · since Dec 2025
Weaviate 1 33% required in 100% · 1 open now · since Dec 2025

What cloud and platforms does OuterSignal use?

Kubernetes is named in 67% of job postings at OuterSignal, followed by Hugging Face (33%), MLFlow (33%), Vercel (33%).

Kubernetes 2 67% required in 100% · 2 open now · since Dec 2025
Hugging Face 1 33% required in 100% · 1 open now · since Jul 2026
MLFlow 1 33% required in 100% · 1 open now · since Jul 2026
Vercel 1 33% required in 100% · 1 open now · since Dec 2025
vLLM 1 33% required in 100% · 1 open now · since Jul 2026

What developer tools does OuterSignal use?

Docker is named in 33% of job postings at OuterSignal.

Docker 1 33% required in 100% · 1 open now · since Dec 2025

What AI and ML technologies does OuterSignal use?

ChatGPT is named in 33% of job postings at OuterSignal, followed by Claude (33%), LLM (33%).

ChatGPT 1 33% required in 100% · 1 open now · since Sep 2026
Claude 1 33% required in 100% · 1 open now · since Sep 2026
LLM 1 33% required in 100% · 1 open now · since Dec 2025

Which engineering practices does OuterSignal ask for?

RAG is named in 67% of job postings at OuterSignal, followed by Fine-tuning (33%).

RAG 2 67% required in 100% · 2 open now · since Dec 2025
Fine-tuning 1 33% required in 100% · 1 open now · since Jul 2026

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How modern is the OuterSignal stack?

Cutting-edge AI adopter 95/100

OuterSignal scores 95 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: 3; legacy ones: 0.

How common is the OuterSignal stack in its industry?

Share of the 2,429 companies in the same industries, whose stack Alion knows, that use each technology.

Kubernetes17%
PostgreSQL17%
ChatGPT14%
Claude18%
ClickHouse4%
Hugging Face2%
JavaScript31%
LLM17%
MLFlow2%
Node JS14%

Questions about the OuterSignal tech stack

What programming languages does OuterSignal use?

The languages named in OuterSignal job postings are Node JS (33%), Python (33%), TypeScript (33%), JavaScript (33%), as a share of the 3 postings of the last 12 months.

Does OuterSignal use Kubernetes?

Yes. Kubernetes is named in 2 of 3 job postings (67%) and required in 2 of them.

What cloud and platforms does OuterSignal use?

The cloud and platforms named in OuterSignal job postings are Kubernetes (2), Hugging Face (1), MLFlow (1) (postings in brackets).

Is the OuterSignal tech stack changing?

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

How modern is the OuterSignal tech stack?

OuterSignal scores 95 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: 3; legacy ones: 0.

How does Alion know the OuterSignal tech stack?

Alion reads every job posting OuterSignal publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Sep 30, 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, "OuterSignal tech stack: 23 technologies from 3 job postings", as of Sep 30, 2026. https://alion.io/company/outersignal/technologies

Licence: CC BY-SA 4.0JSON