Echos tech stack
Echos builds mostly with Python, JavaScript, SQL, TypeScript. Its stack also includes AWS, Databricks, Snowflake, LangChain. Python is named in 6 of the 8 job postings Echos published in the last 12 months (75%). Counted by Alion from the job postings of Echos, updated Nov 10, 2026.
What programming languages does Echos use?
Python is named in 75% of job postings at Echos, followed by JavaScript (25%), SQL (25%), TypeScript (25%).
What frameworks and libraries does Echos use?
LangChain is named in 38% of job postings at Echos, followed by FastAPI (25%), LangGraph (25%), LlamaIndex (25%).
LangChain
3 38%
FastAPI
2 25%
LangGraph
2 25%
LlamaIndex
2 25%
PyTorch
2 25%
React.js
2 25%
Redux
2 25%
Scikit-learn
2 25%
Show all (15)
What databases does Echos use?
Snowflake is named in 50% of job postings at Echos, followed by Amazon Redshift (25%), Pinecone (25%), Weaviate (25%).
Snowflake
4 50%
Amazon Redshift
2 25%
Pinecone
2 25%
Weaviate
2 25%
Chroma
1 13%
Apache Iceberg
1 13%
Delta Lake
1 13%
PostgreSQL
1 13%
What cloud and platforms does Echos use?
AWS is named in 75% of job postings at Echos, followed by Databricks (63%), OpenAI (50%), Azure (50%).
AWS
6 75%
Databricks
5 63%
Azure
4 50%
GCP
4 50%
Kubernetes
3 38%
AWS Lambda
2 25%
Show all (15)
What developer tools does Echos use?
Rest API is named in 50% of job postings at Echos, followed by Git (38%), Docker (38%), pySpark (25%).
Rest API
4 50%
Git
3 38%
Docker
3 38%
pySpark
2 25%
Terraform
2 25%
Jenkins
1 13%
WebSockets
1 13%
Show all (9)
What AI and ML technologies does Echos use?
LLM is named in 63% of job postings at Echos, followed by Gemini (13%).
Which engineering practices does Echos ask for?
AI Agents is named in 50% of job postings at Echos, followed by Machine Learning (38%), CI/CD (38%), ETL/ELT (25%).
AI Agents
4 50%
CI/CD
3 38%
RAG
2 25%
State Management
2 25%
Embeddings
1 13%
Show all (10)
How does your stack fit Echos?
How modern is the Echos stack?
Echos scores 87 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 Echos stack in its industry?
Share of the 970 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Echos
Questions about the Echos tech stack
What programming languages does Echos use?
The languages named in Echos job postings are Python (75%), JavaScript (25%), SQL (25%), TypeScript (25%), as a share of the 8 postings of the last 12 months.
Does Echos use LangChain?
Yes. LangChain is named in 3 of 8 job postings (38%) and required in 2 of them.
What cloud and platforms does Echos use?
The cloud and platforms named in Echos job postings are AWS (6), Databricks (5), OpenAI (4) (postings in brackets).
Is the Echos tech stack changing?
No new technology has appeared in Echos job postings in the last six months.
How modern is the Echos tech stack?
Echos scores 87 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 Echos tech stack?
Alion reads every job posting Echos publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Nov 10, 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, "Echos tech stack: 63 technologies from 8 job postings", as of Nov 10, 2026. https://alion.io/company/echos/technologies