FirstPrinciples tech stack
FirstPrinciples builds mostly with Python, Rust, TypeScript, JavaScript. Its stack also includes Kubernetes, AWS, CUDA, OpenTelemetry. Python is named in 2 of the 11 job postings FirstPrinciples published in the last 12 months (18%). Counted by Alion from the job postings of FirstPrinciples, updated Nov 11, 2026.
What programming languages does FirstPrinciples use?
Python is named in 18% of job postings at FirstPrinciples, followed by Rust (9%), TypeScript (9%), JavaScript (9%).
What frameworks and libraries does FirstPrinciples use?
CUDA is named in 9% of job postings at FirstPrinciples, followed by OpenTelemetry (9%), SGLang (9%), Next.js (9%).
What cloud and platforms does FirstPrinciples use?
Kubernetes is named in 18% of job postings at FirstPrinciples, followed by AWS (18%), Linux (18%), Azure (9%).
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What developer tools does FirstPrinciples use?
Ansible is named in 9% of job postings at FirstPrinciples, followed by ArgoCD (9%), Claude Code (9%), Cursor (9%).
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What AI and ML technologies does FirstPrinciples use?
LLM is named in 18% of job postings at FirstPrinciples, followed by ChatGPT (9%), Claude (9%).
Which engineering practices does FirstPrinciples ask for?
Machine Learning is named in 45% of job postings at FirstPrinciples, followed by Reinforcement Learning (36%), AI Agents (27%), Multimodal AI (27%).
Reinforcement Learning
4 36%
AI Agents
3 27%
Multimodal AI
3 27%
NLP
3 27%
CI/CD
2 18%
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How does your stack fit FirstPrinciples?
How is the FirstPrinciples 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 FirstPrinciples stack?
FirstPrinciples scores 86 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 FirstPrinciples stack in its industry?
Share of the 217 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like FirstPrinciples
Questions about the FirstPrinciples tech stack
What programming languages does FirstPrinciples use?
The languages named in FirstPrinciples job postings are Python (18%), Rust (9%), TypeScript (9%), JavaScript (9%), as a share of the 11 postings of the last 12 months.
Does FirstPrinciples use Kubernetes?
Yes. Kubernetes is named in 2 of 11 job postings (18%) and required in 2 of them.
What cloud and platforms does FirstPrinciples use?
The cloud and platforms named in FirstPrinciples job postings are Kubernetes (2), AWS (2), Linux (2) (postings in brackets).
Is the FirstPrinciples tech stack changing?
Yes. AI Agents, Machine Learning, Reinforcement Learning, Multimodal AI first appeared in FirstPrinciples job postings in the last six months.
How modern is the FirstPrinciples tech stack?
FirstPrinciples scores 86 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 FirstPrinciples tech stack?
Alion reads every job posting FirstPrinciples publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Nov 11, 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, "FirstPrinciples tech stack: 62 technologies from 11 job postings", as of Nov 11, 2026. https://alion.io/company/firstprinciples/technologies