Leland tech stack
Leland builds mostly with JavaScript, TypeScript. Its stack also includes Figma, Databricks, PostgreSQL, Core Animation. Claude is named in 3 of the 15 job postings Leland published in the last 12 months (20%). Counted by Alion from the job postings of Leland, updated Oct 1, 2026.
What programming languages does Leland use?
JavaScript is named in 7% of job postings at Leland, followed by TypeScript (7%).
JavaScript
1 7%
TypeScript
1 7%
What frameworks and libraries does Leland use?
Core Animation is named in 7% of job postings at Leland, followed by Next.js (7%), React.js (7%), Tailwind CSS (7%).
What databases does Leland use?
PostgreSQL is named in 7% of job postings at Leland.
PostgreSQL
1 7%
What cloud and platforms does Leland use?
Figma is named in 7% of job postings at Leland, followed by Databricks (7%).
Figma
1 7%
Databricks
1 7%
What AI and ML technologies does Leland use?
Claude is named in 20% of job postings at Leland, followed by LLM (7%), Midjourney (7%).
Which engineering practices does Leland ask for?
AI Agents is named in 33% of job postings at Leland, followed by Machine Learning (13%), Fine-tuning (7%), Path Planning (7%).
AI Agents
5 33%
Fine-tuning
1 7%
Prompt Engineering
1 7%
Rollup
1 7%
SRE
1 7%
How does your stack fit Leland?
How is the Leland 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 Leland stack?
Leland scores 92 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: 3; legacy ones: 0.
How common is the Leland stack in its industry?
Share of the 67 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Leland
Questions about the Leland tech stack
What programming languages does Leland use?
The languages named in Leland job postings are JavaScript (7%), TypeScript (7%), as a share of the 15 postings of the last 12 months.
What cloud and platforms does Leland use?
The cloud and platforms named in Leland job postings are Figma (1), Databricks (1) (postings in brackets).
Is the Leland tech stack changing?
Yes. Claude, AI Agents first appeared in Leland job postings in the last six months.
How modern is the Leland tech stack?
Leland scores 92 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: 3; legacy ones: 0.
How does Alion know the Leland tech stack?
Alion reads every job posting Leland publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Oct 1, 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, "Leland tech stack: 21 technologies from 15 job postings", as of Oct 1, 2026. https://alion.io/company/joinleland/technologies