Starling Bank tech stack

Starling Bank builds mostly with Java, Python, SQL, Go. Its stack also includes AWS, GCP, PostgreSQL, Realm. AWS is named in 22 of the 36 job postings Starling Bank published in the last 12 months (61%). Counted by Alion from the job postings of Starling Bank, updated Oct 3, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 3, 2026
Technologies in use
83
Postings analysed
36
Open now
27
Modernity
77 /100
New in 6 months
8

What programming languages does Starling Bank use?

Java is named in 50% of job postings at Starling Bank, followed by Python (44%), SQL (19%), Go (14%).

Java 18 50% required in 83% · 16 open now · since Jan 2025
Python 16 44% required in 81% · 12 open now · since Apr 2026
SQL 7 19% required in 86% · 5 open now · since Apr 2026
Go 5 14% required in 60% · 4 open now · since Jul 2026
Swift 3 8% required in 100% · 3 open now · since May 2026
Bash 2 6% required in 100% · 2 open now · since Aug 2026
Kotlin 2 6% required in 100% · 2 open now · since Jul 2026
JavaScript 2 6% required in 50% · 2 open now · since Apr 2026
Show all (9)
Node JS1

What frameworks and libraries does Starling Bank use?

OpenTelemetry is named in 8% of job postings at Starling Bank, followed by Espresso (6%), JUnit (6%), RxSwift (6%).

OpenTelemetry 3 8% required in 100% · 3 open now · since Apr 2026
Espresso 2 6% required in 100% · 2 open now · since Jul 2026
JUnit 2 6% required in 100% · 2 open now · since Jul 2026
RxSwift 2 6% required in 100% · 2 open now · since May 2026
UIKit 2 6% required in 100% · 2 open now · since May 2026
SnapKit 2 6% optional · 2 open now · since May 2026
SwiftUI 2 6% optional · 2 open now · since May 2026
Commander.js 1 3% required in 100% · 1 open now · since Jul 2026
Show all (16)
Dagger1
Hilt1
Jetpack Compose1
Lottie1
Material31
React.js1
Room1
RxJava1

What databases does Starling Bank use?

PostgreSQL is named in 22% of job postings at Starling Bank, followed by Realm (11%), BigQuery (3%), Google BigQuery (3%).

PostgreSQL 8 22% required in 75% · 8 open now · since Apr 2026
Realm 4 11% required in 50% · 4 open now · since May 2026
BigQuery 1 3% required in 100% · since Sep 2026
Google BigQuery 1 3% required in 100% · since Sep 2026

What cloud and platforms does Starling Bank use?

AWS is named in 61% of job postings at Starling Bank, followed by GCP (61%), Kubernetes (42%), Grafana (31%).

AWS 22 61% required in 91% · 18 open now · since Jan 2025
GCP 22 61% required in 91% · 18 open now · since Jan 2025
Kubernetes 15 42% required in 87% · 12 open now · since Jan 2025
Grafana 11 31% required in 64% · 9 open now · since Jan 2025
TeamCity 11 31% required in 55% · 8 open now · since Jan 2025
Amazon EKS 9 25% required in 56% · 7 open now · since Jan 2025
Windows 6 17% required in 100% · 6 open now · since Jun 2026
Google GKE 4 11% required in 100% · 4 open now · since Sep 2026
Show all (23)
Linux4
SIEM4
GitHub2
Amazon ECS1
Azure1
Cortex XDR1
Crowdstrike1
Figma1
Fortify1
Google SecOps1
Looker1
Okta1
Rive1
SentinelOne1
Splunk1

What developer tools does Starling Bank use?

Terraform is named in 31% of job postings at Starling Bank, followed by Prometheus (11%), Cilium (6%), Microsoft Excel (6%).

Terraform 11 31% required in 64% · 9 open now · since Jan 2025
Prometheus 4 11% required in 100% · 4 open now · since Apr 2026
Cilium 2 6% required in 100% · 2 open now · since Sep 2026
Microsoft Excel 2 6% required in 100% · since Jun 2026
Sigstore 2 6% optional · 2 open now · since Sep 2026
SwiftLint 2 6% optional · 2 open now · since May 2026
Adobe Photoshop 1 3% required in 100% · 1 open now · since Jul 2026
Docker 1 3% required in 100% · 1 open now · since Aug 2026
Show all (10)
Rest API1
Jenkins1

What AI and ML technologies does Starling Bank use?

Claude is named in 6% of job postings at Starling Bank, followed by LLM (3%).

Claude 2 6% required in 100% · 2 open now · since Sep 2026
LLM 1 3% required in 100% · 1 open now · since Sep 2026

Which engineering practices does Starling Bank ask for?

CI/CD is named in 31% of job postings at Starling Bank, followed by IAM (14%), Immutable Infrastructure (11%), BGP (11%).

CI/CD 11 31% required in 55% · 8 open now · since Jan 2025
IAM 5 14% required in 100% · 5 open now · since Jul 2026
Immutable Infrastructure 4 11% required in 100% · 4 open now · since Sep 2026
BGP 4 11% required in 50% · 4 open now · since Sep 2026
TCP/IP 4 11% required in 50% · 4 open now · since Sep 2026
Incident Management 3 8% required in 100% · 2 open now · since Jul 2026
MVVM 3 8% required in 100% · 3 open now · since May 2026
Machine Learning 3 8% required in 100% · 2 open now · since Apr 2026
Show all (18)
Reactive Programming2
Rollup2
VPN2
A/B Testing1
Dependency Injection1
ETL/ELT1
ISO 420011
LLM Guardrails1
PKI1
Service Mesh1

What other technologies does Starling Bank use?

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

Kotlin Coroutines 1 3% required in 100% · 1 open now · since Jul 2026

What does each Starling Bank team work with?

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

Security

10 postings
GCP10
AWS8
Python8
Kubernetes5
Windows5
Java4

Backend

7 postings
AWS5
Java5
GCP3
Kubernetes3
Amazon EKS2
Grafana2

Mobile

4 postings
Espresso2
JUnit2
Java2
Realm2
RxSwift2
Swift2

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How is the Starling Bank 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
Google GKESep 2026
Immutable InfrastructureSep 2026
BGPSep 2026
TCP/IPSep 2026
CiliumSep 2026
ClaudeSep 2026
VPNSep 2026
SigstoreSep 2026

How modern is the Starling Bank stack?

Cutting-edge AI adopter 77/100

Starling Bank scores 77 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 Starling Bank stack in its industry?

Share of the 1,530 companies in the same industries, whose stack Alion knows, that use each technology.

AWS47%
GCP31%
Java34%
Python59%
Kubernetes38%
Grafana20%
TeamCity3%
Amazon EKS10%
PostgreSQL37%
SQL62%

What sets Starling Bank apart

TeamCity3%
Google GKE4%
Realm0%

Questions about the Starling Bank tech stack

What programming languages does Starling Bank use?

The languages named in Starling Bank job postings are Java (50%), Python (44%), SQL (19%), Go (14%), Swift (8%), as a share of the 36 postings of the last 12 months.

Does Starling Bank use OpenTelemetry?

Yes. OpenTelemetry is named in 3 of 36 job postings (8%) and required in 3 of them.

What cloud and platforms does Starling Bank use?

The cloud and platforms named in Starling Bank job postings are AWS (22), GCP (22), Kubernetes (15) (postings in brackets).

What skills do you need for a Security job at Starling Bank?

Security postings at Starling Bank most often require GCP (10), AWS (8), Python (8), Kubernetes (5), out of 10 postings in the last 12 months.

Is the Starling Bank tech stack changing?

Yes. Google GKE, Immutable Infrastructure, BGP, TCP/IP first appeared in Starling Bank job postings in the last six months.

How modern is the Starling Bank tech stack?

Starling Bank scores 77 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 Starling Bank tech stack?

Alion reads every job posting Starling Bank publishes and tags the technologies each one names. The figures on this page count the 36 postings of the last 12 months and were updated on Oct 3, 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, "Starling Bank tech stack: 83 technologies from 36 job postings", as of Oct 3, 2026. https://alion.io/company/starling-bank/technologies

Licence: CC BY-SA 4.0JSON