SumUp tech stack

SumUp builds mostly with Go, SQL, Kotlin, Java. Its stack also includes AWS, Apache Kafka, PostgreSQL, Snowflake. Go is named in 27 of the 89 job postings SumUp published in the last 12 months (30%). Counted by Alion from the job postings of SumUp, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
109
Postings analysed
89
Open now
71
Modernity
87 /100
New in 6 months
8

What programming languages does SumUp use?

Go is named in 30% of job postings at SumUp, followed by SQL (26%), Kotlin (21%), Java (17%).

Go 27 30% required in 96% · 23 open now · since Jul 2025
SQL 23 26% required in 96% · 18 open now · since Apr 2026
Kotlin 19 21% required in 95% · 15 open now · since Oct 2025
Java 15 17% required in 93% · 12 open now · since Apr 2026
Python 15 17% required in 93% · 12 open now · since Oct 2025
Elixir 6 7% required in 83% · 6 open now · since Jun 2026
TypeScript 5 6% required in 80% · 5 open now · since Jun 2026
JavaScript 4 4% required in 50% · 4 open now · since Jun 2026
Show all (16)
Ruby2
Swift2
C++1
Node JS1
Objective-C1
Rust1
ABAP1
C1

What frameworks and libraries does SumUp use?

Jetpack Compose is named in 3% of job postings at SumUp, followed by Kotlin Multiplatform (3%), React.js (3%), Spring Boot (3%).

Jetpack Compose 3 3% required in 100% · 2 open now · since Nov 2025
Kotlin Multiplatform 3 3% required in 100% · 2 open now · since Nov 2025
React.js 3 3% required in 100% · 3 open now · since Jun 2026
Spring Boot 3 3% required in 67% · 2 open now · since May 2026
SwiftUI 2 2% required in 100% · 2 open now · since Feb 2026
UIKit 2 2% required in 100% · 2 open now · since Feb 2026
Angular 1 1% required in 100% · 1 open now · since Jun 2026
LangChain 1 1% required in 100% · 1 open now · since May 2026
Show all (13)
LlamaIndex1
Next.js1
PyTorch1
Transformers1
Flink1

What databases does SumUp use?

PostgreSQL is named in 19% of job postings at SumUp, followed by Snowflake (11%), BigQuery (3%), Google BigQuery (3%).

PostgreSQL 17 19% required in 76% · 13 open now · since May 2026
Snowflake 10 11% required in 100% · 4 open now · since Apr 2026
BigQuery 3 3% required in 100% · 1 open now · since May 2026
Google BigQuery 3 3% required in 100% · 1 open now · since May 2026
Redis 2 2% optional · 2 open now · since Sep 2026
OpenSearch 1 1% required in 100% · 1 open now · since Jul 2026
Trino 1 1% required in 100% · 1 open now · since Jul 2026
ClickHouse 1 1% optional · 1 open now · since Jul 2026
Show all (9)
StarRocks1

What cloud and platforms does SumUp use?

AWS is named in 27% of job postings at SumUp, followed by Apache Kafka (27%), Kubernetes (26%), Grafana (13%).

AWS 24 27% required in 83% · 20 open now · since Jul 2025
Apache Kafka 24 27% required in 79% · 19 open now · since Apr 2026
Kubernetes 23 26% required in 78% · 19 open now · since Oct 2025
Grafana 12 13% required in 75% · 10 open now · since May 2026
Honeycomb 10 11% required in 70% · 8 open now · since May 2026
Figma 8 9% required in 100% · 7 open now · since Apr 2026
Tableau 7 8% required in 100% · 4 open now · since May 2026
GitHub Actions 6 7% required in 100% · 5 open now · since May 2026
Show all (28)
GCP3
Power BI3
Amazon EC22
Amazon EKS2
Amazon S31
Azure1
Cloudflare1
GitHub1
Hugging Face1
Istio1
Kubeflow1
Langfuse1
Linux1
Looker1
MLFlow1
SAP Fiori1
SIEM1
U-Boot1
Vercel1
Spark1

What developer tools does SumUp use?

Docker is named in 15% of job postings at SumUp, followed by Microsoft Excel (13%), Prometheus (7%), Cursor (6%).

Docker 13 15% required in 92% · 10 open now · since Oct 2025
Microsoft Excel 12 13% required in 58% · 11 open now · since Mar 2026
Prometheus 6 7% required in 50% · 6 open now · since Jul 2026
Cursor 5 6% required in 20% · 5 open now · since Aug 2026
Copilot 4 4% optional · 4 open now · since Aug 2026
ArgoCD 3 3% required in 100% · 3 open now · since Jul 2026
Terraform 3 3% required in 100% · 3 open now · since Jul 2026
dbt 3 3% required in 100% · 3 open now · since Apr 2026
Show all (18)
Adobe Photoshop2
Git2
Rest API2
gRPC2
Adobe After Effects1
CloudFormation1
Fivetran1
Helm1
Jenkins1
pySpark1

What AI and ML technologies does SumUp use?

LLM is named in 4% of job postings at SumUp, followed by ChatGPT (3%), Udio (1%).

LLM 4 4% required in 100% · 2 open now · since May 2026
ChatGPT 3 3% optional · 2 open now · since Jul 2026
Udio 1 1% required in 100% · 1 open now · since Mar 2026

Which engineering practices does SumUp ask for?

CI/CD is named in 24% of job postings at SumUp, followed by Machine Learning (8%), AI Agents (8%), A/B Testing (7%).

CI/CD 21 24% required in 95% · 19 open now · since Mar 2026
Machine Learning 7 8% required in 100% · 5 open now · since May 2026
AI Agents 7 8% required in 86% · 5 open now · since May 2026
A/B Testing 6 7% required in 100% · 3 open now · since May 2026
MVVM 5 6% required in 100% · 4 open now · since Nov 2025
MVI 3 3% required in 100% · 2 open now · since Nov 2025
Reactive Programming 3 3% required in 100% · 2 open now · since Nov 2025
Dependency Injection 2 2% required in 100% · 2 open now · since Sep 2026
Show all (21)
IAM2
RAG2
SLI/SLO/SLA2
Service Mesh2
Clean Architecture1
ETL/ELT1
Edge AI1
Embeddings1
Function Calling1
LLMOps1
State Management1
Anomaly Detection1
Feature Store1

What other technologies does SumUp use?

Kotlin Coroutines is named in 3% of job postings at SumUp.

Kotlin Coroutines 3 3% required in 100% · 2 open now · since Nov 2025

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

28 postings
Go20
Apache Kafka19
AWS15
Kubernetes14
PostgreSQL13
Java12

Analytics

12 postings
SQL11
Snowflake6
Tableau5
BigQuery3
Google BigQuery3
LLM3

Finance

11 postings
Microsoft Excel5
SQL4
Python2

Mobile

8 postings
Kotlin5
Jetpack Compose3
Kotlin Coroutines3
Kotlin Multiplatform3
Java2
Rest API2

Leadership

5 postings
Go4
Python2

Design

5 postings
Figma5
Adobe Photoshop2

See the open roles

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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.

First appeared
Dependency InjectionSep 2026
Rest APISep 2026
RedisSep 2026
RubyAug 2026
CursorAug 2026
CopilotAug 2026
PrometheusJul 2026
ArgoCDJul 2026
Rising
Kubernetes11% → 31%
PostgreSQL6% → 25%
Apache Kafka17% → 33%
SQL17% → 31%
Grafana6% → 17%
Prometheus0% → 9%
Honeycomb6% → 14%
Cursor0% → 8%
Falling
Microsoft Excel33% → 8%
Java28% → 16%
CI/CD33% → 22%

How modern is the SumUp stack?

Cutting-edge AI adopter 87/100

SumUp scores 87 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 354 companies in the same industries, whose stack Alion knows, that use each technology.

Go27%
AWS52%
Apache Kafka31%
Kubernetes45%
SQL66%
Kotlin19%
PostgreSQL40%
Java41%
Python56%
Grafana27%

What sets SumUp apart

Honeycomb1%
Elixir2%
Kotlin Multiplatform2%

Questions about the SumUp tech stack

What programming languages does SumUp use?

The languages named in SumUp job postings are Go (30%), SQL (26%), Kotlin (21%), Java (17%), Python (17%), as a share of the 89 postings of the last 12 months.

Does SumUp use Jetpack Compose?

Yes. Jetpack Compose is named in 3 of 89 job postings (3%) and required in 3 of them.

What cloud and platforms does SumUp use?

The cloud and platforms named in SumUp job postings are AWS (24), Apache Kafka (24), Kubernetes (23) (postings in brackets).

What skills do you need for a Backend job at SumUp?

Backend postings at SumUp most often require Go (20), Apache Kafka (19), AWS (15), Kubernetes (14), out of 28 postings in the last 12 months.

Is the SumUp tech stack changing?

Yes. Dependency Injection, Rest API, Redis, Ruby first appeared in SumUp job postings in the last six months.

How modern is the SumUp tech stack?

SumUp scores 87 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 89 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, "SumUp tech stack: 109 technologies from 89 job postings", as of Sep 27, 2026. https://alion.io/company/sumup/technologies

Licence: CC BY-SA 4.0JSON