Prefect tech stack

Prefect builds mostly with Python, Go, C++, Java. Its stack also includes Dagster, AWS, Spark, ClickHouse. Dagster is named in 9 of the 13 job postings Prefect published in the last 12 months (69%). Counted by Alion from the job postings of Prefect, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
50
Postings analysed
13
Open now
8
Modernity
82 /100
New in 6 months
4

What programming languages does Prefect use?

Python is named in 46% of job postings at Prefect, followed by Go (23%), C++ (15%), Java (15%).

Python 6 46% required in 83% · 4 open now · since Aug 2026
Go 3 23% required in 100% · 1 open now · since Aug 2026
C++ 2 15% required in 100% · since Aug 2026
Java 2 15% required in 100% · since Aug 2026
Rust 2 15% required in 100% · since Aug 2026
TypeScript 2 15% required in 100% · since Jun 2026
SQL 2 15% required in 50% · 2 open now · since Aug 2026

What frameworks and libraries does Prefect use?

Dagster is named in 69% of job postings at Prefect, followed by Flink (15%), OpenTelemetry (8%).

Dagster 9 69% required in 100% · 8 open now · since Aug 2026
Flink 2 15% required in 100% · since Aug 2026
OpenTelemetry 1 8% required in 100% · 1 open now · since Sep 2026

What databases does Prefect use?

ClickHouse is named in 15% of job postings at Prefect, followed by DuckDB (15%), Presto (15%), Trino (15%).

ClickHouse 2 15% required in 100% · since Aug 2026
DuckDB 2 15% required in 100% · since Aug 2026
Presto 2 15% required in 100% · since Aug 2026
Trino 2 15% required in 100% · since Aug 2026
Snowflake 1 8% required in 100% · 1 open now · since Sep 2026
PostgreSQL 1 8% optional · 1 open now · since Sep 2026

What cloud and platforms does Prefect use?

AWS is named in 23% of job postings at Prefect, followed by Spark (15%), Azure (15%), GCP (15%).

AWS 3 23% required in 67% · 3 open now · since Sep 2026
Spark 2 15% required in 100% · since Aug 2026
Azure 2 15% required in 50% · 2 open now · since Sep 2026
GCP 2 15% required in 50% · 2 open now · since Sep 2026
Kubernetes 2 15% required in 50% · 2 open now · since Sep 2026
Looker 2 15% required in 50% · 2 open now · since Aug 2026
Datadog 1 8% required in 100% · 1 open now · since Sep 2026
GitHub 1 8% required in 100% · 1 open now · since Aug 2026
Show all (11)
Grafana1
LangSmith1
AWS Step Functions1

What developer tools does Prefect use?

Model Context Protocol is named in 100% of job postings at Prefect, followed by Claude Code (31%), OpenAI Codex (23%), dbt (23%).

Model Context Protocol 13 100% required in 100% · 8 open now · since Jun 2026
Claude Code 4 31% required in 100% · since Jun 2026
OpenAI Codex 3 23% required in 100% · since Jul 2026
dbt 3 23% required in 67% · 3 open now · since Aug 2026
Copilot 2 15% required in 100% · since Aug 2026
Cursor 2 15% required in 100% · since Aug 2026
Fivetran 1 8% required in 100% · 1 open now · since Sep 2026
Microsoft Excel 1 8% required in 100% · 1 open now · since Aug 2026
Show all (10)
Prometheus1
Terraform1

What AI and ML technologies does Prefect use?

Claude is named in 31% of job postings at Prefect, followed by LLM (23%).

Claude 4 31% required in 100% · since Jun 2026
LLM 3 23% required in 67% · 1 open now · since Jun 2026

Which engineering practices does Prefect ask for?

AI Agents is named in 77% of job postings at Prefect, followed by Agentic Workflows (8%), ETL/ELT (8%), Human-in-the-Loop (8%).

AI Agents 10 77% required in 100% · 8 open now · since Jul 2026
Agentic Workflows 1 8% required in 100% · 1 open now · since Aug 2026
ETL/ELT 1 8% required in 100% · 1 open now · since Sep 2026
Human-in-the-Loop 1 8% required in 100% · since Jul 2026
SLI/SLO/SLA 1 8% required in 100% · 1 open now · since Sep 2026
Self-Healing 1 8% required in 100% · 1 open now · since Sep 2026
Function Calling 1 8% optional · 1 open now · since Aug 2026
IAM 1 8% optional · 1 open now · since Sep 2026
Show all (11)
Machine Learning1
Service Mesh1
Tool Use1

What does each Prefect team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Product

3 postings
Model Context Protocol3
Claude2
Claude Code2
LLM2
TypeScript2

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How is the Prefect 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.

First appeared
AWSSep 2026
AzureSep 2026
GCPSep 2026
KubernetesSep 2026

How modern is the Prefect stack?

Cutting-edge AI adopter 82/100

Prefect 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 Prefect stack in its industry?

Share of the 747 companies in the same industries, whose stack Alion knows, that use each technology.

Dagster3%
Python67%
Claude34%
AWS49%
Go24%
LLM56%
Azure33%
C++10%
ClickHouse6%
DuckDB1%

What sets Prefect apart

Dagster3%

Prefect products in its job postings

Postings at Prefect name its own products. They describe what the company makes, so they are left out of the stack above.

Prefect13

Questions about the Prefect tech stack

What programming languages does Prefect use?

The languages named in Prefect job postings are Python (46%), Go (23%), C++ (15%), Java (15%), Rust (15%), as a share of the 13 postings of the last 12 months.

Does Prefect use Dagster?

Yes. Dagster is named in 9 of 13 job postings (69%) and required in 9 of them.

What cloud and platforms does Prefect use?

The cloud and platforms named in Prefect job postings are AWS (3), Spark (2), Azure (2) (postings in brackets).

What skills do you need for a Product job at Prefect?

Product postings at Prefect most often require Model Context Protocol (3), Claude (2), Claude Code (2), LLM (2), out of 3 postings in the last 12 months.

Is the Prefect tech stack changing?

Yes. AWS, Azure, GCP, Kubernetes first appeared in Prefect job postings in the last six months.

How modern is the Prefect tech stack?

Prefect 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 Prefect tech stack?

Alion reads every job posting Prefect publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Sep 27, 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, "Prefect tech stack: 50 technologies from 13 job postings", as of Sep 27, 2026. https://alion.io/company/prefect/technologies

Licence: CC BY-SA 4.0JSON