LeanData tech stack

LeanData builds mostly with TypeScript, Python, Apex, JavaScript. Its stack also includes Langfuse, Snowflake, PostgreSQL, AWS. TypeScript is named in 4 of the 12 job postings LeanData published in the last 12 months (33%). Counted by Alion from the job postings of LeanData, updated Oct 13, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 13, 2026
Technologies in use
46
Postings analysed
12
Open now
6
Modernity
83 /100
New in 6 months
8

What programming languages does LeanData use?

TypeScript is named in 33% of job postings at LeanData, followed by Python (33%), Apex (25%), JavaScript (25%).

TypeScript 4 33% required in 100% · 2 open now · since Feb 2026
Python 4 33% required in 75% · 1 open now · since Feb 2026
Apex 3 25% required in 33% · 2 open now · since Feb 2026
JavaScript 3 25% required in 33% · 1 open now · since Feb 2026
Node JS 2 17% required in 50% · 1 open now · since Feb 2026
SQL 1 8% required in 100% · since Aug 2026
C# 1 8% optional · since Feb 2026

What frameworks and libraries does LeanData use?

Commander.js is named in 8% of job postings at LeanData, followed by LangGraph (8%), Angular (8%), LangChain (8%).

Commander.js 1 8% required in 100% · since Feb 2026
LangGraph 1 8% required in 100% · 1 open now · since Jun 2026
Angular 1 8% optional · since Feb 2026
LangChain 1 8% optional · 1 open now · since Jun 2026
Lightning Web Components 1 8% optional · 1 open now · since Aug 2026
Visualforce 1 8% optional · 1 open now · since Aug 2026

What databases does LeanData use?

Snowflake is named in 25% of job postings at LeanData, followed by PostgreSQL (25%), Redis (8%).

Snowflake 3 25% required in 100% · 2 open now · since Apr 2026
PostgreSQL 3 25% required in 67% · 2 open now · since Jun 2026
Redis 1 8% optional · since Feb 2026

What cloud and platforms does LeanData use?

Langfuse is named in 25% of job postings at LeanData, followed by AWS (17%), Anthropic (17%), Figma (17%).

Langfuse 3 25% optional · 1 open now · since Jun 2026
AWS 2 17% required in 100% · since Feb 2026
Anthropic 2 17% required in 100% · 2 open now · since May 2026
Figma 2 17% required in 100% · 1 open now · since May 2026
OpenAI 2 17% required in 100% · 1 open now · since Apr 2026
AWS Lambda 1 8% required in 100% · since Feb 2026
Amazon EC2 1 8% required in 100% · since Feb 2026
New Relic 1 8% required in 100% · since Feb 2026
Show all (12)
Okta1
UserTesting1
API Gateway1
Amazon S31

What developer tools does LeanData use?

Braintrust is named in 25% of job postings at LeanData, followed by Rest API (17%), Model Context Protocol (17%), Promptfoo (17%).

Braintrust 3 25% optional · 1 open now · since Jun 2026
Rest API 2 17% required in 100% · 2 open now · since Aug 2026
Model Context Protocol 2 17% required in 50% · 1 open now · since Jun 2026
Promptfoo 2 17% optional · 1 open now · since Jun 2026
Adobe XD 1 8% required in 100% · since Jul 2026
Sketch 1 8% required in 100% · since Jul 2026
Terraform 1 8% required in 100% · since Feb 2026
A2A 1 8% optional · 1 open now · since Jun 2026
Show all (10)
PM21
npm1

What AI and ML technologies does LeanData use?

LLM is named in 33% of job postings at LeanData, followed by Claude (8%).

LLM 4 33% required in 100% · 3 open now · since May 2026
Claude 1 8% required in 100% · 1 open now · since May 2026

Which engineering practices does LeanData ask for?

AI Agents is named in 42% of job postings at LeanData, followed by CI/CD (17%), LLM Evaluation (8%), Multi-Agent Systems (8%).

AI Agents 5 42% required in 80% · 4 open now · since May 2026
CI/CD 2 17% required in 100% · 1 open now · since Feb 2026
LLM Evaluation 1 8% required in 100% · 1 open now · since Sep 2026
Multi-Agent Systems 1 8% required in 100% · 1 open now · since Jun 2026
RAG 1 8% required in 100% · 1 open now · since Jun 2026
Structured Outputs 1 8% required in 100% · 1 open now · since Jun 2026

How does your stack fit LeanData?

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How is the LeanData 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
Rest APIAug 2026
PostgreSQLJun 2026
Model Context ProtocolJun 2026
BraintrustJun 2026
LangfuseJun 2026
PromptfooJun 2026
AI AgentsMay 2026
LLMMay 2026

How modern is the LeanData stack?

Cutting-edge AI adopter 83/100

LeanData scores 83 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 LeanData stack in its industry?

Share of the 380 companies in the same industries, whose stack Alion knows, that use each technology.

LLM35%
Python51%
TypeScript36%
Apex6%
JavaScript49%
Langfuse2%
PostgreSQL33%
Snowflake17%
AWS41%
Anthropic8%

What sets LeanData apart

Langfuse2%

Questions about the LeanData tech stack

What programming languages does LeanData use?

The languages named in LeanData job postings are TypeScript (33%), Python (33%), Apex (25%), JavaScript (25%), Node JS (17%), as a share of the 12 postings of the last 12 months.

Does LeanData use AWS?

Yes. AWS is named in 2 of 12 job postings (17%) and required in 2 of them.

What cloud and platforms does LeanData use?

The cloud and platforms named in LeanData job postings are Langfuse (3), AWS (2), Anthropic (2) (postings in brackets).

Is the LeanData tech stack changing?

Yes. Rest API, PostgreSQL, Model Context Protocol, Braintrust first appeared in LeanData job postings in the last six months.

How modern is the LeanData tech stack?

LeanData scores 83 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 LeanData tech stack?

Alion reads every job posting LeanData publishes and tags the technologies each one names. The figures on this page count the 12 postings of the last 12 months and were updated on Oct 13, 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, "LeanData tech stack: 46 technologies from 12 job postings", as of Oct 13, 2026. https://alion.io/company/leandata/technologies

Licence: CC BY-SA 4.0JSON