ESS tech stack

ESS builds mostly with SQL, Python, C#, JavaScript. Its stack also includes AWS, Tableau, Amazon Aurora, Amazon Redshift. AWS is named in 5 of the 6 job postings ESS published in the last 12 months (83%). Counted by Alion from the job postings of ESS, updated Sep 30, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 30, 2026
Technologies in use
50
Postings analysed
6
Open now
4
Modernity
78 /100

What programming languages does ESS use?

SQL is named in 67% of job postings at ESS, followed by Python (50%), C# (17%), JavaScript (17%).

SQL 4 67% required in 50% · 4 open now · since Jul 2026
Python 3 50% required in 67% · 2 open now · since Aug 2026
C# 1 17% required in 100% · 1 open now · since Jul 2026
JavaScript 1 17% required in 100% · 1 open now · since Jul 2026
TypeScript 1 17% required in 100% · 1 open now · since Jul 2026

What frameworks and libraries does ESS use?

ASP.NET Core is named in 17% of job postings at ESS, followed by Angular (17%), Entity Framework Core (17%), React.js (17%).

ASP.NET Core 1 17% required in 100% · 1 open now · since Jul 2026
Angular 1 17% required in 100% · 1 open now · since Jul 2026
Entity Framework Core 1 17% required in 100% · 1 open now · since Jul 2026
React.js 1 17% required in 100% · 1 open now · since Jul 2026
Selenium 1 17% required in 100% · 1 open now · since Sep 2026

What databases does ESS use?

Amazon Aurora is named in 33% of job postings at ESS, followed by Amazon Redshift (33%), DynamoDB (17%), PostgreSQL (17%).

Amazon Aurora 2 33% required in 100% · 2 open now · since Jul 2026
Amazon Redshift 2 33% required in 50% · 2 open now · since Aug 2026
DynamoDB 1 17% required in 100% · 1 open now · since Jul 2026
PostgreSQL 1 17% required in 100% · 1 open now · since Aug 2026
Oracle 1 17% optional · 1 open now · since Jul 2026
Snowflake 1 17% optional · 1 open now · since Jul 2026

What cloud and platforms does ESS use?

AWS is named in 83% of job postings at ESS, followed by Tableau (50%), Azure (33%), GitLab (33%).

AWS 5 83% required in 100% · 3 open now · since Jul 2026
Tableau 3 50% optional · 3 open now · since Jul 2026
Azure 2 33% required in 100% · since Jul 2026
GitLab 2 33% required in 100% · 1 open now · since Sep 2026
AWS Bedrock 2 33% required in 50% · 1 open now · since Jul 2026
Amazon SageMaker 2 33% required in 50% · 1 open now · since Jul 2026
Kubernetes 2 33% required in 50% · 1 open now · since Jul 2026
Power BI 2 33% optional · 2 open now · since Aug 2026
Show all (19)
API Gateway1
AWS Lambda1
AWS Step Functions1
Airflow1
Amazon CloudWatch1
Amazon ECS1
Amazon EKS1
Amazon EventBridge1
GCP1
OpenAI1
Spark1

What developer tools does ESS use?

Terraform is named in 50% of job postings at ESS, followed by CloudFormation (33%), Ansible (17%), Docker (17%).

Terraform 3 50% required in 100% · 2 open now · since Jul 2026
CloudFormation 2 33% required in 100% · 1 open now · since Jul 2026
Ansible 1 17% required in 100% · since Jul 2026
Docker 1 17% required in 100% · since Jul 2026
Microsoft Excel 1 17% required in 100% · 1 open now · since Aug 2026
pySpark 1 17% required in 100% · since Sep 2026
AWS Glue 1 17% optional · 1 open now · since Aug 2026
Informatica 1 17% optional · 1 open now · since Jul 2026

What AI and ML technologies does ESS use?

Gemini is named in 17% of job postings at ESS.

Gemini 1 17% optional · since Jul 2026

Which engineering practices does ESS ask for?

CI/CD is named in 67% of job postings at ESS, followed by IAM (17%), LLM Guardrails (17%), RAG (17%).

CI/CD 4 67% required in 100% · 2 open now · since Jul 2026
IAM 1 17% required in 100% · 1 open now · since Jul 2026
LLM Guardrails 1 17% required in 100% · 1 open now · since Jul 2026
RAG 1 17% required in 100% · 1 open now · since Jul 2026
SLI/SLO/SLA 1 17% required in 100% · since Jul 2026
ETL/ELT 1 17% optional · 1 open now · since Aug 2026

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How modern is the ESS stack?

Cutting-edge AI adopter 78/100

ESS scores 78 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: 1; legacy ones: 0.

Questions about the ESS tech stack

What programming languages does ESS use?

The languages named in ESS job postings are SQL (67%), Python (50%), C# (17%), JavaScript (17%), TypeScript (17%), as a share of the 6 postings of the last 12 months.

Does ESS use AWS?

Yes. AWS is named in 5 of 6 job postings (83%) and required in 5 of them.

What cloud and platforms does ESS use?

The cloud and platforms named in ESS job postings are AWS (5), Tableau (3), Azure (2) (postings in brackets).

Is the ESS tech stack changing?

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

How modern is the ESS tech stack?

ESS scores 78 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: 1; legacy ones: 0.

How does Alion know the ESS tech stack?

Alion reads every job posting ESS publishes and tags the technologies each one names. The figures on this page count the 6 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, "ESS tech stack: 50 technologies from 6 job postings", as of Sep 30, 2026. https://alion.io/company/ess-4/technologies

Licence: CC BY-SA 4.0JSON