Flow Traders tech stack
Flow Traders builds mostly with Python, C++, SQL, Java. Its stack also includes GCP, Kubernetes, NumPy, PyTorch. Python is named in 30 of the 45 job postings Flow Traders published in the last 12 months (67%). Counted by Alion from the job postings of Flow Traders, updated Nov 11, 2026.
What programming languages does Flow Traders use?
Python is named in 67% of job postings at Flow Traders, followed by C++ (29%), SQL (24%), Java (11%).
Show all (11)
What frameworks and libraries does Flow Traders use?
NumPy is named in 9% of job postings at Flow Traders, followed by PyTorch (9%), Ray (9%), Pandas (4%).
Show all (11)
What databases does Flow Traders use?
Google BigQuery is named in 4% of job postings at Flow Traders, followed by Apache Iceberg (2%), ClickHouse (2%), Delta Lake (2%).
What cloud and platforms does Flow Traders use?
GCP is named in 31% of job postings at Flow Traders, followed by Kubernetes (31%), Apache Kafka (20%), AWS (18%).
GCP
14 31%
Kubernetes
14 31%
Apache Kafka
9 20%
AWS
8 18%
Azure
8 18%
Spark
4 9%
Databricks
3 7%
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What developer tools does Flow Traders use?
Docker is named in 20% of job postings at Flow Traders, followed by WebSockets (7%), Copilot (7%), Helm (7%).
Docker
9 20%
WebSockets
3 7%
Copilot
3 7%
Helm
3 7%
Ansible
2 4%
Terraform
2 4%
dbt
2 4%
Show all (16)
What AI and ML technologies does Flow Traders use?
Claude is named in 7% of job postings at Flow Traders, followed by LLM (4%).
Which engineering practices does Flow Traders ask for?
Machine Learning is named in 20% of job postings at Flow Traders, followed by CI/CD (18%), DeFi (7%), AI Agents (4%).
CI/CD
8 18%
DeFi
3 7%
AI Agents
2 4%
Incident Management
2 4%
Show all (15)
What does each Flow Traders team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
12 postingsData Science
10 postingsAI/ML
5 postingsEarly Careers
3 postingsIndustrial Engineering
3 postingsHow does your stack fit Flow Traders?
How is the Flow Traders 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 Flow Traders stack?
Flow Traders scores 81 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 Flow Traders stack in its industry?
Share of the 266 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Flow Traders
Questions about the Flow Traders tech stack
What programming languages does Flow Traders use?
The languages named in Flow Traders job postings are Python (67%), C++ (29%), SQL (24%), Java (11%), Rust (9%), as a share of the 45 postings of the last 12 months.
Does Flow Traders use NumPy?
Yes. NumPy is named in 4 of 45 job postings (9%) and required in 4 of them.
What cloud and platforms does Flow Traders use?
The cloud and platforms named in Flow Traders job postings are GCP (14), Kubernetes (14), Apache Kafka (9) (postings in brackets).
What skills do you need for a Backend job at Flow Traders?
Backend postings at Flow Traders most often require C++ (11), Python (7), Apache Kafka (4), Java (4), out of 12 postings in the last 12 months.
Is the Flow Traders tech stack changing?
Yes. Google BigQuery, Spark, Airflow, Apache NiFi first appeared in Flow Traders job postings in the last six months.
How modern is the Flow Traders tech stack?
Flow Traders scores 81 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 Flow Traders tech stack?
Alion reads every job posting Flow Traders publishes and tags the technologies each one names. The figures on this page count the 45 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, "Flow Traders tech stack: 82 technologies from 45 job postings", as of Nov 11, 2026. https://alion.io/company/flow-traders/technologies