Langfuse tech stack
Langfuse builds mostly with JavaScript, TypeScript, Python, Go. Its stack also includes Datadog, GitHub, ClickHouse, PostgreSQL. JavaScript is named in 7 of the 7 job postings Langfuse published in the last 12 months (100%). Counted by Alion from the job postings of Langfuse, updated Oct 10, 2026.
What programming languages does Langfuse use?
JavaScript is named in 100% of job postings at Langfuse, followed by TypeScript (100%), Python (29%), Go (14%).
What frameworks and libraries does Langfuse use?
React.js is named in 100% of job postings at Langfuse, followed by Next.js (100%), OpenTelemetry (29%), CrewAI (14%).
React.js
7 100%
Next.js
7 100%
OpenTelemetry
2 29%
CrewAI
1 14%
LangChain
1 14%
LlamaIndex
1 14%
OpenAI SDK
1 14%
Pydantic
1 14%
Show all (10)
What databases does Langfuse use?
ClickHouse is named in 100% of job postings at Langfuse, followed by PostgreSQL (100%), Redis (100%).
What cloud and platforms does Langfuse use?
Datadog is named in 100% of job postings at Langfuse, followed by GitHub (100%), Amazon S3 (100%), AWS (14%).
Datadog
7 100%
GitHub
7 100%
AWS
1 14%
AWS Fargate
1 14%
Kubernetes
1 14%
Show all (11)
What developer tools does Langfuse use?
Docker is named in 100% of job postings at Langfuse, followed by Docker Compose (29%), Terraform (29%), CloudFormation (14%).
Docker
7 100%
Docker Compose
2 29%
Terraform
2 29%
CloudFormation
1 14%
Helm
1 14%
Model Context Protocol
1 14%
Pulumi
1 14%
What AI and ML technologies does Langfuse use?
LLM is named in 100% of job postings at Langfuse.
LLM
7 100%
Which engineering practices does Langfuse ask for?
CI/CD is named in 14% of job postings at Langfuse, followed by IAM (14%), Prompt Engineering (14%), RAG (14%).
What does each Langfuse team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Langfuse?
How is the Langfuse 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 Langfuse stack?
Langfuse 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: 1; legacy ones: 0.
How common is the Langfuse stack in its industry?
Share of the 52 companies in the same industries, whose stack Alion knows, that use each technology.
Langfuse products in its job postings
Postings at Langfuse name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Langfuse
Questions about the Langfuse tech stack
What programming languages does Langfuse use?
The languages named in Langfuse job postings are JavaScript (100%), TypeScript (100%), Python (29%), Go (14%), Java (14%), as a share of the 7 postings of the last 12 months.
Does Langfuse use React.js?
Yes. React.js is named in 7 of 7 job postings (100%) and required in 5 of them.
What cloud and platforms does Langfuse use?
The cloud and platforms named in Langfuse job postings are Datadog (7), GitHub (7), Amazon S3 (7) (postings in brackets).
What skills do you need for a Backend job at Langfuse?
Backend postings at Langfuse most often require ClickHouse (3), Datadog (3), Docker (3), JavaScript (3), out of 3 postings in the last 12 months.
Is the Langfuse tech stack changing?
No new technology has appeared in Langfuse job postings in the last six months.
How modern is the Langfuse tech stack?
Langfuse 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: 1; legacy ones: 0.
How does Alion know the Langfuse tech stack?
Alion reads every job posting Langfuse publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Oct 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, "Langfuse tech stack: 42 technologies from 7 job postings", as of Oct 10, 2026. https://alion.io/company/langfuse/technologies