Expression Networks
Defense AI · C4ISR

Expression Networks tech stack

Expression Networks builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes Azure, AWS, ElasticSearch, PostgreSQL. Azure is named in 24 of the 35 job postings Expression Networks published in the last 12 months (69%). Counted by Alion from the job postings of Expression Networks, updated Nov 11, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 11, 2026
Technologies in use
144
Postings analysed
35
Open now
17
Modernity
79 /100
New in 6 months
8

What programming languages does Expression Networks use?

Python is named in 46% of job postings at Expression Networks, followed by SQL (34%), JavaScript (17%), TypeScript (14%).

Python 16 46% required in 100% · 10 open now · since Jul 2026
SQL 12 34% required in 58% · 7 open now · since Jul 2026
JavaScript 6 17% required in 67% · 1 open now · since Jul 2026
TypeScript 5 14% required in 80% · 1 open now · since Jul 2026
Node JS 5 14% required in 60% · 1 open now · since Jul 2026
Java 4 11% required in 100% · 2 open now · since Jul 2026
PowerShell 4 11% required in 100% · 2 open now · since Jul 2026
Bash 3 9% required in 100% · 2 open now · since Oct 2026

What frameworks and libraries does Expression Networks use?

LangChain is named in 14% of job postings at Expression Networks, followed by LangGraph (11%), Asyncio (9%), FastAPI (9%).

LangChain 5 14% required in 100% · 3 open now · since Jul 2026
LangGraph 4 11% required in 100% · 2 open now · since Jul 2026
Asyncio 3 9% required in 67% · 2 open now · since Jul 2026
FastAPI 3 9% required in 67% · 2 open now · since Jul 2026
Pydantic 3 9% required in 67% · 2 open now · since Jul 2026
React.js 3 9% required in 67% · 1 open now · since Jul 2026
Hadoop 3 9% optional · 1 open now · since Jul 2026
Selenium 3 9% optional · 1 open now · since Aug 2026
Show all (27)
AutoGen2
CrewAI2
Angular2
Playwright2
AWS Strands Agents1
LiteLLM1
PyTorch1
Scikit-learn1
TensorFlow1
XGBoost1
Cypress1
D3.js1
Express1
Knex.js1
PostGIS1
Sequelize1
TypeORM1
Vue.js1
visx1

What databases does Expression Networks use?

ElasticSearch is named in 29% of job postings at Expression Networks, followed by PostgreSQL (23%), OpenSearch (11%), Amazon Redshift (6%).

ElasticSearch 10 29% required in 40% · 8 open now · since Jul 2026
PostgreSQL 8 23% required in 38% · 4 open now · since Jul 2026
OpenSearch 4 11% optional · 3 open now · since Jul 2026
Amazon Redshift 2 6% required in 100% · 1 open now · since Aug 2026
Azure SQL Database 2 6% required in 100% · 1 open now · since Jul 2026
Google BigQuery 2 6% required in 100% · 1 open now · since Aug 2026
Apache Iceberg 1 3% required in 100% · 1 open now · since Nov 2026
Azure Cosmos DB 1 3% required in 100% · since Jul 2026
Show all (13)
Delta Lake1
MS SQL1
MySQL1
Trino1
Oracle1

What cloud and platforms does Expression Networks use?

Azure is named in 69% of job postings at Expression Networks, followed by AWS (46%), Kubernetes (31%), Databricks (26%).

Azure 24 69% required in 63% · 14 open now · since Jul 2026
AWS 16 46% required in 56% · 9 open now · since Jul 2026
Kubernetes 11 31% required in 64% · 7 open now · since Jul 2026
Databricks 9 26% required in 44% · 8 open now · since Jul 2026
Spark 9 26% required in 33% · 6 open now · since Jul 2026
Azure DevOps 7 20% required in 71% · 3 open now · since Jul 2026
Linux 6 17% required in 83% · 3 open now · since Jul 2026
Tableau 5 14% required in 40% · 3 open now · since Jul 2026
Show all (35)
Power BI4
Aqua Security4
GCP4
SonarQube4
GitLab CI3
Windows3
Grafana3
Microsoft Defender3
Microsoft Defender for Cloud3
Airflow2
Amazon S32
GitHub Actions2
MLFlow2
Microsoft Entra ID2
Active Directory2
SIEM2
Looker2
Amazon EC21
Amazon SageMaker1
GitHub1
GitLab1
Ollama1
QlikSense1
Unix1
vLLM1
OpenShift1
Postman1

What developer tools does Expression Networks use?

Git is named in 46% of job postings at Expression Networks, followed by Docker (40%), Terraform (20%), Rest API (20%).

Git 16 46% required in 56% · 9 open now · since Jul 2026
Docker 14 40% required in 64% · 8 open now · since Jul 2026
Terraform 7 20% required in 71% · 5 open now · since Jul 2026
Rest API 7 20% required in 57% · 4 open now · since Jul 2026
Helm 6 17% required in 83% · 4 open now · since Jul 2026
Nessus 4 11% optional · 3 open now · since Jul 2026
Bicep 3 9% required in 100% · 3 open now · since Nov 2026
Semantic Kernel 3 9% required in 100% · 2 open now · since Jul 2026
Show all (27)
pySpark3
Prometheus3
Talend2
Apache HTTP Server1
Azure Data Factory1
Claude Code1
Docker Compose1
Karpenter1
OpenAI Codex1
Polaris1
dbt1
llama.cpp1
Apache Tomcat1
CloudFormation1
GraphQL1
Jenkins1
Keycloak1
Model Context Protocol1
WebSockets1

What AI and ML technologies does Expression Networks use?

LLM is named in 17% of job postings at Expression Networks, followed by Claude (3%).

LLM 6 17% required in 100% · 4 open now · since Jul 2026
Claude 1 3% required in 100% · since Oct 2026

Which engineering practices does Expression Networks ask for?

CI/CD is named in 57% of job postings at Expression Networks, followed by Machine Learning (31%), AI Agents (23%), RAG (17%).

CI/CD 20 57% required in 80% · 10 open now · since Jul 2026
Machine Learning 11 31% required in 64% · 8 open now · since Jul 2026
AI Agents 8 23% required in 100% · 5 open now · since Jul 2026
RAG 6 17% required in 83% · 5 open now · since Jul 2026
Configuration Management 5 14% required in 100% · 2 open now · since Jul 2026
ETL/ELT 3 9% required in 100% · 1 open now · since Aug 2026
Multi-Agent Systems 3 9% required in 100% · 3 open now · since Nov 2026
Prompt Engineering 3 9% required in 100% · 2 open now · since Jul 2026
Show all (32)
Hallucination2
Human-in-the-Loop2
IAM2
Semantic Search2
LLMOps2
SOAP2
Anomaly Detection1
Dimensional Modeling1
Edge AI1
Explainable AI1
Function Calling1
GAN1
Interpretability1
Knowledge Distillation1
LLM Guardrails1
Multimodal AI1
PKI1
Quantization1
Structured Outputs1
Embeddings1
GitOps1
Gitflow1
Service Mesh1
Time Series1

What does each Expression Networks team work with?

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

Data Science

6 postings
SQL6
Python5
Azure3
Databricks3
AWS2
Airflow2

DevOps

5 postings
Azure4
Git4
Azure DevOps2
Bash2
Bicep2
Docker2

AI/ML

5 postings
LangChain5
Python5
Docker4
LLM4
LangGraph4
AWS3

Backend

4 postings
PostgreSQL3
AWS2
Azure2
ElasticSearch2
Git2
GitLab CI2

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How is the Expression Networks 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
AutoGenNov 2026
HallucinationNov 2026
LLMOpsNov 2026
Multi-Agent SystemsNov 2026
Human-in-the-LoopNov 2026
BicepNov 2026
GrafanaNov 2026
Microsoft DefenderNov 2026
Rising
Python30% → 52%
Databricks10% → 32%
Spark10% → 32%
SQL20% → 40%
AI Agents10% → 28%
Machine Learning20% → 36%
Terraform10% → 24%
Rest API10% → 24%
Falling
PostgreSQL40% → 16%
TypeScript30% → 8%
Node JS30% → 8%
Linux30% → 12%
JavaScript30% → 12%
Azure DevOps30% → 16%
Configuration Management20% → 12%
LangChain20% → 12%

How modern is the Expression Networks stack?

Cutting-edge AI adopter 79/100

Expression Networks 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: 2; legacy ones: 0.

How common is the Expression Networks stack in its industry?

Share of the 392 companies in the same industries, whose stack Alion knows, that use each technology.

Azure49%
AWS53%
Python80%
SQL52%
Kubernetes54%
ElasticSearch21%
Databricks14%
Spark22%
PostgreSQL42%
Azure DevOps17%

What sets Expression Networks apart

Aqua Security1%
Asyncio2%
Pydantic4%

Questions about the Expression Networks tech stack

What programming languages does Expression Networks use?

The languages named in Expression Networks job postings are Python (46%), SQL (34%), JavaScript (17%), TypeScript (14%), Node JS (14%), as a share of the 35 postings of the last 12 months.

Does Expression Networks use LangChain?

Yes. LangChain is named in 5 of 35 job postings (14%) and required in 5 of them.

What cloud and platforms does Expression Networks use?

The cloud and platforms named in Expression Networks job postings are Azure (24), AWS (16), Kubernetes (11) (postings in brackets).

What skills do you need for a Data Science job at Expression Networks?

Data Science postings at Expression Networks most often require SQL (6), Python (5), Azure (3), Databricks (3), out of 6 postings in the last 12 months.

Is the Expression Networks tech stack changing?

Yes. AutoGen, Hallucination, LLMOps, Multi-Agent Systems first appeared in Expression Networks job postings in the last six months.

How modern is the Expression Networks tech stack?

Expression Networks 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: 2; legacy ones: 0.

How does Alion know the Expression Networks tech stack?

Alion reads every job posting Expression Networks publishes and tags the technologies each one names. The figures on this page count the 35 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, "Expression Networks tech stack: 144 technologies from 35 job postings", as of Nov 11, 2026. https://alion.io/company/expr/technologies

Licence: CC BY-SA 4.0JSON