PayPal tech stack

PayPal builds mostly with SQL, Python, Java, JavaScript. Its stack also includes AWS, Kubernetes, MySQL, Spring Boot. SQL is named in 13 of the 32 job postings PayPal published in the last 12 months (41%). Counted by Alion from the job postings of PayPal, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
135
Postings analysed
32
Modernity
87 /100
New in 6 months
8

What programming languages does PayPal use?

SQL is named in 41% of job postings at PayPal, followed by Python (38%), Java (38%), JavaScript (25%).

SQL 13 41% required in 77% · since Jun 2025
Python 12 38% required in 75% · since Jun 2025
Java 12 38% required in 67% · since Jun 2025
JavaScript 8 25% required in 63% · since Aug 2026
Node JS 6 19% required in 67% · since Aug 2026
TypeScript 5 16% required in 40% · since Aug 2026
Go 3 9% required in 67% · since Sep 2026
Objective-C 2 6% required in 100% · since Aug 2026
Show all (17)
Scala2
Swift2
C++2
Bash1
Apex1
Kotlin1
Perl1
PowerShell1
Ruby1

What frameworks and libraries does PayPal use?

Spring Boot is named in 13% of job postings at PayPal, followed by Hibernate (13%), Hadoop (9%), Angular (9%).

Spring Boot 4 13% required in 100% · since Sep 2026
Hibernate 4 13% required in 50% · since Aug 2026
Hadoop 3 9% required in 100% · since Jun 2025
Angular 3 9% required in 67% · since Aug 2026
React.js 3 9% required in 67% · since Aug 2026
Flink 2 6% required in 100% · since Aug 2026
PyTorch 2 6% required in 100% · since Jun 2025
TensorFlow 2 6% required in 100% · since Jun 2025
Show all (27)
LangChain2
LlamaIndex2
Spring MVC2
Combine1
JUnit1
Mockito1
RxSwift1
Scikit-learn1
Spring Framework1
SwiftUI1
UIKit1
XGBoost1
Aura Components1
Lightning Web Components1
Ruby on Rails1
RxJava1
TestNG1
Transformers1
Vue.js1

What databases does PayPal use?

MySQL is named in 16% of job postings at PayPal, followed by PostgreSQL (9%), Redis (9%), Oracle (6%).

MySQL 5 16% required in 100% · since Aug 2026
PostgreSQL 3 9% required in 100% · since Aug 2026
Redis 3 9% required in 67% · since Sep 2026
Oracle 2 6% required in 100% · since Sep 2026
Snowflake 2 6% required in 100% · since Aug 2026
Aerospike 1 3% required in 100% · since Sep 2026
DynamoDB 1 3% required in 100% · since Aug 2026
ElasticSearch 1 3% required in 100% · since Aug 2026
Show all (10)
Google Bigtable1
SAP HANA1

What cloud and platforms does PayPal use?

AWS is named in 34% of job postings at PayPal, followed by Kubernetes (28%), GCP (28%), Azure (19%).

AWS 11 34% required in 73% · since Jun 2025
Kubernetes 9 28% required in 78% · since Aug 2026
GCP 9 28% required in 56% · since Jun 2025
Azure 6 19% required in 50% · since Jun 2025
Datadog 4 13% required in 100% · since Sep 2026
Spark 4 13% required in 100% · since Jun 2025
Tableau 4 13% required in 75% · since Aug 2026
AWS Lambda 3 9% required in 100% · since Aug 2026
Show all (33)
Apache Kafka3
Airflow2
Amazon CloudWatch2
Amazon ECS2
Amazon EKS2
Amazon S32
GitHub2
GitHub Actions2
GitLab CI2
Linux2
API Gateway1
AWS Bedrock1
AWS Step Functions1
Amazon EC21
Crashlytics1
Grafana1
Looker1
MLFlow1
Power BI1
Splunk1
Unix1
Anthropic1
Hugging Face1
OpenAI1
RabbitMQ1

What developer tools does PayPal use?

Docker is named in 22% of job postings at PayPal, followed by Git (22%), Jenkins (16%), Ansible (6%).

Docker 7 22% required in 71% · since Aug 2026
Git 7 22% required in 71% · since Aug 2026
Jenkins 5 16% required in 100% · since Aug 2026
Ansible 2 6% required in 100% · since Aug 2026
Terraform 2 6% required in 100% · since Aug 2026
Claude Code 2 6% required in 50% · since Sep 2026
Copilot 2 6% required in 50% · since Sep 2026
Rest API 2 6% optional · since Sep 2026
Show all (19)
CircleCI1
CloudFormation1
GraphQL1
Microsoft Excel1
Packer1
Prometheus1
Puppet1
bandit1
ESLint1
Maven1
Swagger1

What AI and ML technologies does PayPal use?

LLM is named in 6% of job postings at PayPal, followed by Llama (6%), LoRA (3%), PEFT (3%).

LLM 2 6% required in 50% · since Aug 2026
Llama 2 6% required in 50% · since Aug 2026
LoRA 1 3% required in 100% · since Aug 2026
PEFT 1 3% required in 100% · since Aug 2026
Claude 1 3% optional · since Sep 2026
Gemini 1 3% optional · since Sep 2026
Mistral 1 3% optional · since Sep 2026

Which engineering practices does PayPal ask for?

CI/CD is named in 38% of job postings at PayPal, followed by Machine Learning (25%), A/B Testing (9%), Fine-tuning (6%).

CI/CD 12 38% required in 75% · since Aug 2026
Machine Learning 8 25% required in 75% · since Jun 2025
A/B Testing 3 9% required in 67% · since Aug 2026
Fine-tuning 2 6% required in 50% · since Aug 2026
RAG 2 6% required in 50% · since Sep 2026
AI Agents 1 3% required in 100% · since Sep 2026
Anomaly Detection 1 3% required in 100% · since Sep 2026
Clean Architecture 1 3% required in 100% · since Aug 2026
Show all (22)
ETL/ELT1
GCD1
IAM1
MVVM1
Recommender Systems1
Reinforcement Learning1
VIPER1
Agentic Workflows1
Embeddings1
Feature Store1
NLP1
Prompt Engineering1
SLI/SLO/SLA1
SOAP1

What does each PayPal team work with?

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

Backend

14 postings
SQL7
Java6
AWS5
Kubernetes5
Docker4
JavaScript4

AI/ML

5 postings
AWS2
Azure2
Flink2
GCP2
Java2
PyTorch2

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How much does PayPal pay by technology?

Median stated pay of the postings that name each technology, against the median of all PayPal postings with stated pay: $265k across 15 postings.

TechnologyPostings with payMedianvs company median
SQL10$222k−16%
Python8$246k−7%
Java7$274k+3%
Kubernetes6$272k+3%
AWS6$248k−7%

How is the PayPal 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
Claude CodeSep 2026
CopilotSep 2026
Rest APISep 2026
DatadogSep 2026
Spring BootSep 2026
GoSep 2026
RedisSep 2026
GitHub ActionsSep 2026

How modern is the PayPal stack?

Cutting-edge AI adopter 87/100

PayPal 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: 7; legacy ones: 0.

How common is the PayPal stack in its industry?

Share of the 305 companies in the same industries, whose stack Alion knows, that use each technology.

SQL70%
Java47%
Python61%
AWS57%
GCP36%
Kubernetes50%
JavaScript58%
Azure36%
Node JS30%
MySQL32%

Questions about the PayPal tech stack

What programming languages does PayPal use?

The languages named in PayPal job postings are SQL (41%), Python (38%), Java (38%), JavaScript (25%), Node JS (19%), as a share of the 32 postings of the last 12 months.

Does PayPal use Spring Boot?

Yes. Spring Boot is named in 4 of 32 job postings (13%) and required in 4 of them.

What cloud and platforms does PayPal use?

The cloud and platforms named in PayPal job postings are AWS (11), Kubernetes (9), GCP (9) (postings in brackets).

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

Backend postings at PayPal most often require SQL (7), Java (6), AWS (5), Kubernetes (5), out of 14 postings in the last 12 months.

Is the PayPal tech stack changing?

Yes. Claude Code, Copilot, Rest API, Datadog first appeared in PayPal job postings in the last six months.

How modern is the PayPal tech stack?

PayPal 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: 7; legacy ones: 0.

How does Alion know the PayPal tech stack?

Alion reads every job posting PayPal publishes and tags the technologies each one names. The figures on this page count the 32 postings of the last 12 months and were updated on Sep 28, 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, "PayPal tech stack: 135 technologies from 32 job postings", as of Sep 28, 2026. https://alion.io/company/paypal/technologies

Licence: CC BY-SA 4.0JSON