SumUp tech stack
SumUp builds mostly with SQL, Go, Python, Kotlin. Its stack also includes Apache Kafka, AWS, PostgreSQL, Snowflake. SQL is named in 41 of the 126 job postings SumUp published in the last 12 months (33%). Counted by Alion from the job postings of SumUp, updated Nov 12, 2026.
What programming languages does SumUp use?
SQL is named in 33% of job postings at SumUp, followed by Go (25%), Python (18%), Kotlin (17%).
Show all (17)
What frameworks and libraries does SumUp use?
SwiftUI is named in 5% of job postings at SumUp, followed by Kotlin Multiplatform (4%), UIKit (3%), Spring Boot (3%).
SwiftUI
6 5%
Kotlin Multiplatform
5 4%
UIKit
4 3%
Spring Boot
4 3%
Jetpack Compose
3 2%
React.js
3 2%
Flink
2 2%
Angular
1 1%
Show all (14)
What databases does SumUp use?
PostgreSQL is named in 17% of job postings at SumUp, followed by Snowflake (13%), Google BigQuery (4%), Redis (2%).
PostgreSQL
22 17%
Snowflake
16 13%
Google BigQuery
5 4%
Redis
3 2%
Amazon Redshift
2 2%
DynamoDB
1 1%
OpenSearch
1 1%
Trino
1 1%
Show all (10)
What cloud and platforms does SumUp use?
Apache Kafka is named in 23% of job postings at SumUp, followed by AWS (21%), Kubernetes (20%), Tableau (12%).
Apache Kafka
29 23%
AWS
27 21%
Kubernetes
25 20%
Tableau
15 12%
Grafana
13 10%
Honeycomb
10 8%
Figma
8 6%
GitHub Actions
6 5%
Show all (33)
What developer tools does SumUp use?
Microsoft Excel is named in 13% of job postings at SumUp, followed by Docker (11%), Prometheus (6%), Rest API (5%).
Docker
14 11%
Prometheus
7 6%
Rest API
6 5%
dbt
6 5%
Copilot
5 4%
Cursor
5 4%
Terraform
4 3%
Show all (19)
What AI and ML technologies does SumUp use?
LLM is named in 4% of job postings at SumUp, followed by ChatGPT (2%), DALL-E (1%).
Which engineering practices does SumUp ask for?
CI/CD is named in 18% of job postings at SumUp, followed by A/B Testing (8%), Machine Learning (6%), AI Agents (5%).
CI/CD
23 18%
AI Agents
6 5%
MVVM
5 4%
MVI
3 2%
Reactive Programming
3 2%
Dependency Injection
2 2%
Show all (22)
What other technologies does SumUp use?
Kotlin Coroutines is named in 2% of job postings at SumUp.
Kotlin Coroutines
3 2%
What does each SumUp team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
33 postingsAnalytics
19 postingsFinance
18 postingsMobile
12 postingsHow does your stack fit SumUp?
How is the SumUp 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 SumUp stack?
SumUp scores 86 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 SumUp stack in its industry?
Share of the 1,034 companies in the same industries, whose stack Alion knows, that use each technology.
What sets SumUp apart
Companies with a stack like SumUp
Questions about the SumUp tech stack
What programming languages does SumUp use?
The languages named in SumUp job postings are SQL (33%), Go (25%), Python (18%), Kotlin (17%), Java (14%), as a share of the 126 postings of the last 12 months.
Does SumUp use SwiftUI?
Yes. SwiftUI is named in 6 of 126 job postings (5%) and required in 6 of them.
What cloud and platforms does SumUp use?
The cloud and platforms named in SumUp job postings are Apache Kafka (29), AWS (27), Kubernetes (25) (postings in brackets).
What skills do you need for a Backend job at SumUp?
Backend postings at SumUp most often require Go (24), Apache Kafka (21), AWS (16), Java (15), out of 33 postings in the last 12 months.
Is the SumUp tech stack changing?
Yes. Dependency Injection, Feature Store, Spark, C++ first appeared in SumUp job postings in the last six months.
How modern is the SumUp tech stack?
SumUp scores 86 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 SumUp tech stack?
Alion reads every job posting SumUp publishes and tags the technologies each one names. The figures on this page count the 126 postings of the last 12 months and were updated on Nov 12, 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, "SumUp tech stack: 119 technologies from 126 job postings", as of Nov 12, 2026. https://alion.io/company/sumup/technologies