ERNI tech stack

ERNI builds mostly with C#, Python, SQL, JavaScript. Its stack also includes Azure, Azure DevOps, SQLite, ASP.NET Core. C# is named in 8 of the 18 job postings ERNI published in the last 12 months (44%). Counted by Alion from the job postings of ERNI, updated Oct 12, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 12, 2026
Technologies in use
44
Postings analysed
18
Open now
7
Modernity
75 /100
New in 6 months
4

What programming languages does ERNI use?

C# is named in 44% of job postings at ERNI, followed by Python (39%), SQL (33%), JavaScript (28%).

C# 8 44% required in 100% · since Apr 2026
Python 7 39% required in 100% · 3 open now · since Apr 2026
SQL 6 33% required in 100% · 2 open now · since Apr 2026
JavaScript 5 28% required in 100% · 1 open now · since Apr 2026
TypeScript 5 28% required in 100% · 1 open now · since Apr 2026
Rust 4 22% required in 100% · 1 open now · since Jun 2026
Java 1 6% required in 100% · 1 open now · since Sep 2026
Node JS 1 6% required in 100% · 1 open now · since Sep 2026

What frameworks and libraries does ERNI use?

ASP.NET Core is named in 22% of job postings at ERNI, followed by Angular (22%), Entity Framework Core (22%), MAUI (22%).

ASP.NET Core 4 22% required in 100% · since Apr 2026
Angular 4 22% required in 100% · since Apr 2026
Entity Framework Core 4 22% required in 100% · since Apr 2026
MAUI 4 22% required in 100% · since Apr 2026
Serde 4 22% required in 100% · 1 open now · since Jun 2026
Nest.JS 1 6% required in 100% · 1 open now · since Sep 2026
React.js 1 6% required in 100% · 1 open now · since Sep 2026
Spring Boot 1 6% required in 100% · 1 open now · since Sep 2026
Show all (9)
Spring Framework1

What databases does ERNI use?

SQLite is named in 22% of job postings at ERNI.

SQLite 4 22% required in 100% · since Apr 2026

What cloud and platforms does ERNI use?

Azure is named in 28% of job postings at ERNI, followed by Azure DevOps (28%), Kubernetes (28%), Linux (22%).

Azure 5 28% required in 100% · 1 open now · since Apr 2026
Azure DevOps 5 28% required in 100% · 1 open now · since Apr 2026
Kubernetes 5 28% required in 100% · 2 open now · since Jun 2026
Linux 4 22% required in 100% · 1 open now · since Jun 2026
OpenAI 1 6% required in 100% · 1 open now · since Sep 2026
OpenShift 1 6% required in 100% · 1 open now · since Sep 2026
Microsoft Entra ID 1 6% optional · 1 open now · since Sep 2026

What developer tools does ERNI use?

Docker is named in 33% of job postings at ERNI, followed by Git (6%), Gradle (6%), Maven (6%).

Docker 6 33% required in 83% · 3 open now · since Jun 2026
Git 1 6% required in 100% · 1 open now · since Sep 2026
Gradle 1 6% required in 100% · 1 open now · since Sep 2026
Maven 1 6% required in 100% · 1 open now · since Sep 2026
Rest API 1 6% required in 100% · 1 open now · since Sep 2026

Which engineering practices does ERNI ask for?

CI/CD is named in 50% of job postings at ERNI, followed by Machine Learning (17%), RAG (17%), Embeddings (17%).

CI/CD 9 50% required in 78% · 5 open now · since Apr 2026
Machine Learning 3 17% required in 100% · 3 open now · since Sep 2026
RAG 3 17% required in 100% · 3 open now · since Sep 2026
Embeddings 3 17% required in 67% · 3 open now · since Sep 2026
AI Agents 2 11% required in 100% · 2 open now · since Sep 2026
Function Calling 1 6% required in 100% · 1 open now · since Sep 2026
Prompt Engineering 1 6% required in 100% · 1 open now · since Sep 2026
Self-Healing 1 6% required in 100% · 1 open now · since Sep 2026
Show all (14)
Structured Outputs1
Tool Use1
Computer Vision1
LLM Evaluation1
NLP1
OCR1

What does each ERNI team work with?

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

Backend

13 postings
C#8
Docker5
Kubernetes5
SQL5
ASP.NET Core4
Angular4

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How is the ERNI 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
RAGSep 2026
EmbeddingsSep 2026
Machine LearningSep 2026
AI AgentsSep 2026
Not named for 6 months
C#Apr 2026
AngularApr 2026
ASP.NET CoreApr 2026
Entity Framework CoreApr 2026
MAUIApr 2026
SQLiteApr 2026

How modern is the ERNI stack?

Cutting-edge 75/100

ERNI scores 75 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 ERNI stack in its industry?

Share of the 6,846 companies in the same industries, whose stack Alion knows, that use each technology.

C#22%
Python44%
SQL43%
Azure35%
Azure DevOps13%
JavaScript44%
Kubernetes31%
TypeScript34%
ASP.NET Core8%
Angular16%

What sets ERNI apart

MAUI1%
Rust3%
SQLite2%
Serde0%

Questions about the ERNI tech stack

What programming languages does ERNI use?

The languages named in ERNI job postings are C# (44%), Python (39%), SQL (33%), JavaScript (28%), TypeScript (28%), as a share of the 18 postings of the last 12 months.

Does ERNI use ASP.NET Core?

Yes. ASP.NET Core is named in 4 of 18 job postings (22%) and required in 4 of them.

What cloud and platforms does ERNI use?

The cloud and platforms named in ERNI job postings are Azure (5), Azure DevOps (5), Kubernetes (5) (postings in brackets).

What skills do you need for a Backend job at ERNI?

Backend postings at ERNI most often require C# (8), Docker (5), Kubernetes (5), SQL (5), out of 13 postings in the last 12 months.

Is the ERNI tech stack changing?

Yes. RAG, Embeddings, Machine Learning, AI Agents first appeared in ERNI job postings in the last six months.

How modern is the ERNI tech stack?

ERNI scores 75 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 ERNI tech stack?

Alion reads every job posting ERNI publishes and tags the technologies each one names. The figures on this page count the 18 postings of the last 12 months and were updated on Oct 12, 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, "ERNI tech stack: 44 technologies from 18 job postings", as of Oct 12, 2026. https://alion.io/company/betterask/technologies

Licence: CC BY-SA 4.0JSON