Sim tech stack
Sim builds mostly with JavaScript, Python, SQL, TypeScript. Its stack also includes GitHub, Perplexity. JavaScript is named in 1 of the 4 job postings Sim published in the last 12 months (25%). Counted by Alion from the job postings of Sim, updated Oct 29, 2026.
What programming languages does Sim use?
JavaScript is named in 25% of job postings at Sim, followed by Python (25%), SQL (25%), TypeScript (25%).
What cloud and platforms does Sim use?
GitHub is named in 25% of job postings at Sim, followed by Perplexity (25%).
GitHub
1 25%
Perplexity
1 25%
What developer tools does Sim use?
Claude Code is named in 25% of job postings at Sim.
Claude Code
1 25%
Which engineering practices does Sim ask for?
AI Agents is named in 100% of job postings at Sim, followed by Knowledge Graph (75%), Function Calling (25%).
How does your stack fit Sim?
How is the Sim 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 Sim stack?
Sim scores 79 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: 0; legacy ones: 0.
How common is the Sim stack in its industry?
Share of the 1,693 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Sim
Questions about the Sim tech stack
What programming languages does Sim use?
The languages named in Sim job postings are JavaScript (25%), Python (25%), SQL (25%), TypeScript (25%), as a share of the 4 postings of the last 12 months.
What cloud and platforms does Sim use?
The cloud and platforms named in Sim job postings are GitHub (1), Perplexity (1) (postings in brackets).
Is the Sim tech stack changing?
Yes. Knowledge Graph first appeared in Sim job postings in the last six months.
How modern is the Sim tech stack?
Sim scores 79 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: 0; legacy ones: 0.
How does Alion know the Sim tech stack?
Alion reads every job posting Sim publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 29, 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, "Sim tech stack: 10 technologies from 4 job postings", as of Oct 29, 2026. https://alion.io/company/sim-7/technologies