BlackRock tech stack
BlackRock builds mostly with Python, SQL, Java, JavaScript. Its stack also includes Azure, AWS, Snowflake, React.js. Python is named in 99 of the 172 job postings BlackRock published in the last 12 months (58%). Counted by Alion from the job postings of BlackRock, updated Oct 4, 2026.
What programming languages does BlackRock use?
Python is named in 58% of job postings at BlackRock, followed by SQL (44%), Java (19%), JavaScript (9%).
C++ 
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What frameworks and libraries does BlackRock use?
React.js is named in 5% of job postings at BlackRock, followed by PyTorch (4%), Angular (4%), TensorFlow (3%).
React.js
9 5%
PyTorch
7 4%
Angular
7 4%
TensorFlow
6 3%
Spring Boot
5 3%
JAX
4 2%
PyTorch C++
4 2%
TensorFlow C++
4 2%
Show all (28)
What databases does BlackRock use?
Snowflake is named in 12% of job postings at BlackRock, followed by Redis (3%), MS SQL (3%), MySQL (1%).
Snowflake
21 12%
Redis
6 3%
MS SQL
5 3%
MySQL
2 1%
PostgreSQL
2 1%
Cassandra
2 1%
ElasticSearch
2 1%
Apache Iceberg
1 1%
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What cloud and platforms does BlackRock use?
Azure is named in 27% of job postings at BlackRock, followed by AWS (21%), GCP (10%), Power BI (10%).
Azure
46 27%
AWS
36 21%
GCP
18 10%
Power BI
17 10%
Kubernetes
16 9%
Azure DevOps
14 8%
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And 7 more, each named in fewer postings.
What developer tools does BlackRock use?
Microsoft Excel is named in 23% of job postings at BlackRock, followed by Docker (7%), Git (6%), Terraform (5%).
Docker
12 7%
Git
11 6%
Terraform
9 5%
Copilot
8 5%
Rest API
8 5%
gRPC
6 3%
Windsurf
5 3%
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What AI and ML technologies does BlackRock use?
LLM is named in 10% of job postings at BlackRock, followed by Claude (3%), ChatGPT (1%).
Which engineering practices does BlackRock ask for?
CI/CD is named in 19% of job postings at BlackRock, followed by Machine Learning (17%), AI Agents (13%), Platform Engineering (8%).
CI/CD
33 19%
AI Agents
22 13%
Platform Engineering
14 8%
RAG
11 6%
Prompt Engineering
9 5%
Show all (41)
And 1 more, each named in fewer postings.
What does each BlackRock team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Finance
28 postingsLeadership
27 postingsBackend
18 postingsAI/ML
12 postingsProduct
10 postingsHow does your stack fit BlackRock?
How much does BlackRock pay by technology?
Median stated pay of the postings that name each technology, against the median of all BlackRock postings with stated pay: $165k across 85 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 45 | $200k | +21% |
| SQL | 35 | $162k | −2% |
| Azure | 23 | $200k | +21% |
| AWS | 19 | $200k | +21% |
| Java | 17 | $200k | +21% |
| Power BI | 14 | $176k | +6% |
| GCP | 11 | $215k | +30% |
| Snowflake | 10 | $180k | +9% |
| LLM | 8 | $213k | +29% |
| Kubernetes | 7 | $215k | +30% |
How modern is the BlackRock stack?
BlackRock 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: 3; legacy ones: 0.
How common is the BlackRock stack in its industry?
Share of the 294 companies in the same industries, whose stack Alion knows, that use each technology.
What sets BlackRock apart
Companies with a stack like BlackRock
Questions about the BlackRock tech stack
What programming languages does BlackRock use?
The languages named in BlackRock job postings are Python (58%), SQL (44%), Java (19%), JavaScript (9%), TypeScript (8%), as a share of the 172 postings of the last 12 months.
Does BlackRock use React.js?
Yes. React.js is named in 9 of 172 job postings (5%) and required in 9 of them.
What cloud and platforms does BlackRock use?
The cloud and platforms named in BlackRock job postings are Azure (46), AWS (36), GCP (18) (postings in brackets).
What skills do you need for a Finance job at BlackRock?
Finance postings at BlackRock most often require Microsoft Excel (12), SQL (7), Cognos (2), out of 28 postings in the last 12 months.
Is the BlackRock tech stack changing?
No new technology has appeared in BlackRock job postings in the last six months.
How modern is the BlackRock tech stack?
BlackRock 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: 3; legacy ones: 0.
How does Alion know the BlackRock tech stack?
Alion reads every job posting BlackRock publishes and tags the technologies each one names. The figures on this page count the 172 postings of the last 12 months and were updated on Oct 4, 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, "BlackRock tech stack: 185 technologies from 172 job postings", as of Oct 4, 2026. https://alion.io/company/blackrock/technologies