Plum tech stack
Plum builds mostly with Python, Kotlin, SQL, Swift. Its stack also includes Grafana, GCP, BigQuery, Google BigQuery. Python is named in 9 of the 15 job postings Plum published in the last 12 months (60%). Counted by Alion from the job postings of Plum, updated Oct 16, 2026.
What programming languages does Plum use?
Python is named in 60% of job postings at Plum, followed by Kotlin (33%), SQL (27%), Swift (20%).
What frameworks and libraries does Plum use?
FastAPI is named in 33% of job postings at Plum, followed by Spring Boot (20%), Combine (13%), Jetpack Compose (13%).
FastAPI
5 33%
Spring Boot
3 20%
Combine
2 13%
Jetpack Compose
2 13%
LangChain
2 13%
SwiftUI
2 13%
CrewAI
1 7%
Guardrails AI
1 7%
Show all (11)
What databases does Plum use?
BigQuery is named in 40% of job postings at Plum, followed by Google BigQuery (40%), PostgreSQL (27%), Firestore (7%).
BigQuery 
What cloud and platforms does Plum use?
Grafana is named in 47% of job postings at Plum, followed by GCP (40%), Sentry (33%), RabbitMQ (27%).
Grafana
7 47%
GCP
6 40%
Sentry
5 33%
RabbitMQ
4 27%
Datadog
3 20%
Kubernetes
3 20%
iOS SDK
2 13%
AWS
1 7%
Show all (11)
What developer tools does Plum use?
Terraform is named in 33% of job postings at Plum, followed by Prometheus (27%), Git (13%), Google ADK (13%).
What AI and ML technologies does Plum use?
LLM is named in 13% of job postings at Plum, followed by Claude (7%), Gemini (7%).
Which engineering practices does Plum ask for?
CI/CD is named in 40% of job postings at Plum, followed by Incident Management (20%), AI Agents (13%), Material Design (13%).
CI/CD
6 40%
Incident Management
3 20%
AI Agents
2 13%
Material Design
2 13%
Prompt Engineering
2 13%
Show all (10)
What does each Plum team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Mobile
5 postingsHow does your stack fit Plum?
How is the Plum 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 Plum stack?
Plum scores 89 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 Plum stack in its industry?
Share of the 139 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Plum apart
Companies with a stack like Plum
Questions about the Plum tech stack
What programming languages does Plum use?
The languages named in Plum job postings are Python (60%), Kotlin (33%), SQL (27%), Swift (20%), Java (20%), as a share of the 15 postings of the last 12 months.
Does Plum use Combine?
Yes. Combine is named in 2 of 15 job postings (13%) and required in 2 of them.
What cloud and platforms does Plum use?
The cloud and platforms named in Plum job postings are Grafana (7), GCP (6), Sentry (5) (postings in brackets).
What skills do you need for a Mobile job at Plum?
Mobile postings at Plum most often require Swift (3), Combine (2), Git (2), Go (2), out of 5 postings in the last 12 months.
Is the Plum tech stack changing?
Yes. dbt, Swift, AI Agents, Combine first appeared in Plum job postings in the last six months.
How modern is the Plum tech stack?
Plum scores 89 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 Plum tech stack?
Alion reads every job posting Plum publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Oct 16, 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, "Plum tech stack: 53 technologies from 15 job postings", as of Oct 16, 2026. https://alion.io/company/withplum/technologies