Focused tech stack
Focused builds mostly with Python, JavaScript, Java, TypeScript. Its stack also includes LangChain, LangGraph, LangSmith, OpenAI. Python is named in 27 of the 37 job postings Focused published in the last 12 months (73%). Counted by Alion from the job postings of Focused, updated Nov 14, 2026.
What programming languages does Focused use?
Python is named in 73% of job postings at Focused, followed by JavaScript (43%), Java (35%), TypeScript (16%).
Python
27 73%
JavaScript
16 43%
Java
13 35%
TypeScript
6 16%
Go
5 14%
Node JS
5 14%
PowerShell
4 11%
Ruby
4 11%
Show all (14)
What frameworks and libraries does Focused use?
LangChain is named in 51% of job postings at Focused, followed by LangGraph (49%), FastAPI (35%), React.js (35%).
LangChain
19 51%
LangGraph
18 49%
FastAPI
13 35%
React.js
13 35%
Next.js
10 27%
OpenTelemetry
5 14%
Vue.js
3 8%
Django
2 5%
Show all (23)
What databases does Focused use?
PostgreSQL is named in 8% of job postings at Focused, followed by ClickHouse (5%), Delta Lake (5%), Redis (5%).
What cloud and platforms does Focused use?
LangSmith is named in 41% of job postings at Focused, followed by OpenAI (38%), Azure (32%), GCP (32%).
LangSmith
15 41%
Azure
12 32%
GCP
12 32%
Kubernetes
9 24%
AWS
7 19%
Azure AKS
6 16%
Google GKE
6 16%
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What developer tools does Focused use?
Terraform is named in 24% of job postings at Focused, followed by ArgoCD (14%), Docker (14%), Rest API (11%).
Terraform
9 24%
ArgoCD
5 14%
Docker
5 14%
Rest API
4 11%
CloudFormation
3 8%
Jenkins
3 8%
Podman
3 8%
Pulumi
3 8%
Show all (18)
What AI and ML technologies does Focused use?
LLM is named in 68% of job postings at Focused, followed by Claude (16%).
Which engineering practices does Focused ask for?
CI/CD is named in 70% of job postings at Focused, followed by AI Agents (62%), Semantic Search (27%), GitOps (16%).
CI/CD
26 70%
AI Agents
23 62%
GitOps
6 16%
RAG
6 16%
Platform Engineering
5 14%
Embeddings
5 14%
Show all (26)
What does each Focused team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
12 postingsDevOps
7 postingsBackend
6 postingsIndustrial Engineering
6 postingsHow does your stack fit Focused?
How much does Focused pay by technology?
Median stated pay of the postings that name each technology, against the median of all Focused postings with stated pay: $175k across 30 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| LLM | 24 | $175k | 0% |
| Python | 23 | $175k | 0% |
| LangChain | 18 | $173k | −1% |
| LangGraph | 17 | $175k | 0% |
| JavaScript | 15 | $175k | 0% |
| LangSmith | 14 | $175k | 0% |
| OpenAI | 14 | $173k | −1% |
| Java | 13 | $174k | −1% |
| FastAPI | 12 | $173k | −1% |
| React.js | 12 | $173k | −1% |
How is the Focused 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.
How modern is the Focused stack?
Focused scores 80 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 Focused stack in its industry?
Share of the 3,567 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Focused apart
Companies with a stack like Focused
Questions about the Focused tech stack
What programming languages does Focused use?
The languages named in Focused job postings are Python (73%), JavaScript (43%), Java (35%), TypeScript (16%), Go (14%), as a share of the 37 postings of the last 12 months.
Does Focused use LangChain?
Yes. LangChain is named in 19 of 37 job postings (51%) and required in 12 of them.
What cloud and platforms does Focused use?
The cloud and platforms named in Focused job postings are LangSmith (15), OpenAI (14), Azure (12) (postings in brackets).
What skills do you need for a AI/ML job at Focused?
AI/ML postings at Focused most often require LLM (11), Python (10), FastAPI (9), Java (9), out of 12 postings in the last 12 months.
Is the Focused tech stack changing?
Yes. C++, Windows, Time Series, Fine-tuning first appeared in Focused job postings in the last six months.
How modern is the Focused tech stack?
Focused scores 80 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 Focused tech stack?
Alion reads every job posting Focused publishes and tags the technologies each one names. The figures on this page count the 37 postings of the last 12 months and were updated on Nov 14, 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, "Focused tech stack: 112 technologies from 37 job postings", as of Nov 14, 2026. https://alion.io/company/focused-3/technologies