Clear Street tech stack
Clear Street builds mostly with Python, TypeScript, JavaScript, Java. Its stack also includes Kubernetes, PostgreSQL, Apache Kafka, React.js. Kubernetes is named in 13 of the 26 job postings Clear Street published in the last 12 months (50%). Counted by Alion from the job postings of Clear Street, updated Sep 29, 2026.
What programming languages does Clear Street use?
Python is named in 46% of job postings at Clear Street, followed by TypeScript (46%), JavaScript (35%), Java (27%).
Python
12 46%
TypeScript
12 46%
JavaScript
9 35%
Java
7 27%
Rust
6 23%
Go
6 23%
SQL
4 15%
Swift
1 4%
Show all (10)
What frameworks and libraries does Clear Street use?
React.js is named in 35% of job postings at Clear Street, followed by React Native (15%), Tailwind CSS (8%), Spring Boot (8%).
React.js
9 35%
React Native
4 15%
Tailwind CSS
2 8%
Spring Boot
2 8%
SwiftUI
1 4%
UIKit
1 4%
Next.js
1 4%
XCTest
1 4%
What databases does Clear Street use?
PostgreSQL is named in 46% of job postings at Clear Street, followed by Snowflake (23%), Redis (15%).
What cloud and platforms does Clear Street use?
Kubernetes is named in 50% of job postings at Clear Street, followed by Apache Kafka (38%), AWS (38%), Azure (15%).
Kubernetes
13 50%
Apache Kafka
10 38%
AWS
10 38%
Azure
4 15%
GitHub Actions
3 12%
Datadog
2 8%
Chainalysis
1 4%
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What developer tools does Clear Street use?
gRPC is named in 35% of job postings at Clear Street, followed by Docker (27%), Rest API (19%), Copilot (15%).
gRPC
9 35%
Docker
7 27%
Rest API
5 19%
Copilot
4 15%
ArgoCD
2 8%
Terraform
2 8%
Helm
1 4%
Jenkins
1 4%
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What AI and ML technologies does Clear Street use?
LLM is named in 12% of job postings at Clear Street, followed by Claude (4%).
Which engineering practices does Clear Street ask for?
CI/CD is named in 31% of job postings at Clear Street, followed by SLI/SLO/SLA (19%), Fine-tuning (8%), GitOps (8%).
CI/CD
8 31%
SLI/SLO/SLA
5 19%
Fine-tuning
2 8%
GitOps
2 8%
Platform Engineering
2 8%
Show all (14)
What does each Clear Street team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
10 postingsFrontend
4 postingsHow does your stack fit Clear Street?
How much does Clear Street pay by technology?
Median stated pay of the postings that name each technology, against the median of all Clear Street postings with stated pay: $245k across 16 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| PostgreSQL | 8 | $300k | +22% |
| TypeScript | 7 | $350k | +43% |
| JavaScript | 6 | $350k | +43% |
| React.js | 6 | $350k | +43% |
| Rust | 5 | $350k | +43% |
How is the Clear Street 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 Clear Street stack?
Clear Street scores 82 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 Clear Street stack in its industry?
Share of the 109 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Clear Street
Questions about the Clear Street tech stack
What programming languages does Clear Street use?
The languages named in Clear Street job postings are Python (46%), TypeScript (46%), JavaScript (35%), Java (27%), Rust (23%), as a share of the 26 postings of the last 12 months.
Does Clear Street use React.js?
Yes. React.js is named in 9 of 26 job postings (35%) and required in 3 of them.
What cloud and platforms does Clear Street use?
The cloud and platforms named in Clear Street job postings are Kubernetes (13), Apache Kafka (10), AWS (10) (postings in brackets).
What skills do you need for a Backend job at Clear Street?
Backend postings at Clear Street most often require Copilot (2), Java (2), PostgreSQL (2), Python (2), out of 10 postings in the last 12 months.
Is the Clear Street tech stack changing?
Yes. Spring Boot, Azure, SLI/SLO/SLA, ArgoCD first appeared in Clear Street job postings in the last six months.
How modern is the Clear Street tech stack?
Clear Street scores 82 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 Clear Street tech stack?
Alion reads every job posting Clear Street publishes and tags the technologies each one names. The figures on this page count the 26 postings of the last 12 months and were updated on Sep 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, "Clear Street tech stack: 59 technologies from 26 job postings", as of Sep 29, 2026. https://alion.io/company/clearstreet/technologies