London Stock Exchange Group
Data Providers & Datasets · Financial Data & Market Intelligence

London Stock Exchange Group tech stack

London Stock Exchange Group builds mostly with Python, SQL, Java, JavaScript. Its stack also includes AWS, Azure, PostgreSQL, Snowflake. Python is named in 282 of the 525 job postings London Stock Exchange Group published in the last 12 months (54%). Counted by Alion from the job postings of London Stock Exchange Group, updated Nov 13, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 13, 2026
Technologies in use
347
Postings analysed
525
Open now
336
Modernity
78 /100
New in 6 months
8

What programming languages does London Stock Exchange Group use?

Python is named in 54% of job postings at London Stock Exchange Group, followed by SQL (38%), Java (20%), JavaScript (12%).

Python 282 54% required in 87% · 194 open now · since Dec 2024
SQL 198 38% required in 89% · 117 open now · since Jan 2025
Java 107 20% required in 76% · 72 open now · since Dec 2024
JavaScript 65 12% required in 63% · 44 open now · since Jul 2025
C# 49 9% required in 80% · 37 open now · since Dec 2024
C++ 44 8% required in 89% · 30 open now · since Sep 2025
TypeScript 38 7% required in 76% · 23 open now · since Aug 2025
PowerShell 34 6% required in 68% · 23 open now · since Apr 2025
Show all (19)
Node JS19
Bash18
Perl11
Rust8
MATLAB6
Scala5
Apex4
Kotlin4
Ruby3
COBOL2
C1

What frameworks and libraries does London Stock Exchange Group use?

Spring Boot is named in 4% of job postings at London Stock Exchange Group, followed by React.js (4%), OpenTelemetry (4%), Scikit-learn (3%).

Spring Boot 22 4% required in 86% · 13 open now · since Feb 2026
React.js 19 4% required in 84% · 13 open now · since Jul 2025
OpenTelemetry 19 4% required in 63% · 15 open now · since May 2026
Scikit-learn 18 3% required in 94% · 14 open now · since Nov 2025
Angular 16 3% required in 75% · 8 open now · since Jun 2026
NumPy 15 3% required in 93% · 11 open now · since Nov 2025
Playwright 15 3% required in 93% · 10 open now · since Jul 2026
PyTorch 13 2% required in 92% · 12 open now · since May 2026
Show all (66)
TensorFlow13
Pytest13
Selenium11
LangChain9
Pandas9
Cucumber6
Cypress5
ASP.NET Core4
Rest-Assured4
Robot Framework4
AutoGen4
CrewAI4
Hibernate3
Jest3
Spring Framework3
JUnit3
Vue.js3
FastAPI2
LlamaIndex2
Polars2
Quasar2
SHAP2
TestNG2
XGBoost2
LangGraph2
Lightning Web Components2
Pact2
Plotly2
SciPy2
Transformers2
Visualforce2
Flink2

And 26 more, each named in fewer postings.

What databases does London Stock Exchange Group use?

PostgreSQL is named in 9% of job postings at London Stock Exchange Group, followed by Snowflake (8%), Oracle (5%), DynamoDB (3%).

PostgreSQL 46 9% required in 83% · 30 open now · since Sep 2025
Snowflake 40 8% required in 83% · 23 open now · since Dec 2025
Oracle 27 5% required in 89% · 18 open now · since Nov 2025
DynamoDB 18 3% required in 56% · 13 open now · since Sep 2025
MySQL 15 3% required in 80% · 12 open now · since Mar 2026
Amazon Aurora 15 3% required in 60% · 8 open now · since Sep 2025
Redis 15 3% required in 60% · 8 open now · since Jun 2025
ClickHouse 11 2% required in 73% · 7 open now · since Jul 2026
Show all (25)
MS SQL8
Apache Iceberg8
Azure Cosmos DB7
Azure SQL Database7
ElasticSearch7
Delta Lake6
HBase2
Cassandra2
OpenSearch2
Amazon DocumentDB1
Google BigQuery1
MariaDB1
Presto1
Druid1
Pinecone1
Salesforce Data Cloud1
Weaviate1

What cloud and platforms does London Stock Exchange Group use?

AWS is named in 43% of job postings at London Stock Exchange Group, followed by Azure (34%), Kubernetes (23%), GitLab (13%).

AWS 225 43% required in 88% · 152 open now · since Dec 2024
Azure 177 34% required in 86% · 122 open now · since Dec 2024
Kubernetes 122 23% required in 75% · 87 open now · since May 2025
GitLab 68 13% required in 81% · 45 open now · since May 2025
Datadog 65 12% required in 85% · 47 open now · since Dec 2024
Power BI 63 12% required in 86% · 31 open now · since Nov 2025
Linux 57 11% required in 93% · 43 open now · since Jun 2025
GCP 47 9% required in 79% · 29 open now · since Dec 2024
Show all (81)
Apache Kafka38
Amazon EKS30
AWS Lambda30
Amazon S329
GitLab CI29
GitHub Actions28
Grafana28
Azure DevOps26
Amazon EC221
Unix21
GitHub20
Windows20
API Gateway17
Databricks17
Amazon CloudWatch16
Amazon ECS14
Azure AKS14
Spark14
Splunk13
Active Directory11
Microsoft Fabric10
Bitbucket9
OpenAI9
SIEM9
AWS Bedrock9
.NET8
RabbitMQ8
Amazon SageMaker7
Postman6
Red Hat6
VMWare6
SonarQube5

And 41 more, each named in fewer postings.

What developer tools does London Stock Exchange Group use?

Terraform is named in 20% of job postings at London Stock Exchange Group, followed by Docker (17%), Git (14%), Rest API (11%).

Terraform 104 20% required in 74% · 72 open now · since Dec 2024
Docker 89 17% required in 83% · 60 open now · since May 2025
Git 75 14% required in 87% · 48 open now · since Sep 2025
Rest API 59 11% required in 92% · 35 open now · since Jul 2025
Jenkins 47 9% required in 77% · 34 open now · since May 2025
Microsoft Excel 43 8% required in 86% · 23 open now · since Nov 2025
Copilot 33 6% required in 64% · 24 open now · since Dec 2025
Ansible 27 5% required in 85% · 23 open now · since Jan 2026
Show all (75)
Model Context Protocol24
Prometheus20
CloudFormation20
Helm12
Maven11
Claude Code9
GraphQL8
pySpark8
Gradle7
JMeter7
Wireshark7
AWS Glue6
Tcpdump6
Bicep5
OpenAI Codex5
TestRail5
k65
Azure Data Factory4
HashiCorp Vault4
WebSockets4
Cursor4
dbt4
Gatling3
Liquibase3
Chef3
Cortex3
Puppet3
Semgrep3
Trivy3
Any.run2
Flyway2
Podman2

And 35 more, each named in fewer postings.

What AI and ML technologies does London Stock Exchange Group use?

LLM is named in 9% of job postings at London Stock Exchange Group, followed by Claude (2%), Gemini (1%), Llama (<1%).

LLM 45 9% required in 78% · 34 open now · since Jan 2026
Claude 13 2% required in 46% · 12 open now · since Jan 2026
Gemini 3 1% required in 67% · 2 open now · since Sep 2026
Llama 2 <1% required in 50% · 2 open now · since Sep 2026
ChatGPT 1 <1% required in 100% · 1 open now · since Jul 2026
BERT 1 <1% optional · 1 open now · since Sep 2026
DeepSeek 1 <1% optional · 1 open now · since Sep 2026
GPT-5 1 <1% optional · 1 open now · since Sep 2026
Show all (12)
LoRA1
PEFT1
QLoRA1
Qwen1

Which engineering practices does London Stock Exchange Group ask for?

CI/CD is named in 43% of job postings at London Stock Exchange Group, followed by Platform Engineering (12%), AI Agents (12%), Machine Learning (10%).

CI/CD 226 43% required in 88% · 150 open now · since May 2025
Platform Engineering 63 12% required in 90% · 39 open now · since Dec 2025
AI Agents 63 12% required in 84% · 44 open now · since Dec 2025
Machine Learning 54 10% required in 89% · 40 open now · since Jan 2025
Incident Management 53 10% required in 91% · 35 open now · since Sep 2025
RAG 39 7% required in 79% · 30 open now · since Jan 2026
IAM 37 7% required in 78% · 24 open now · since Dec 2024
ETL/ELT 35 7% required in 86% · 22 open now · since Dec 2025
Show all (69)
Prompt Engineering20
TCP/IP20
SLI/SLO/SLA17
Configuration Management16
Agentic Workflows14
NLP13
DNS12
SOAP12
Function Calling10
GitOps10
Self-Healing7
VPN6
FinOps6
LLM Guardrails5
Embeddings4
Time Series4
Dimensional Modeling4
Hallucination4
Human-in-the-Loop4
Fine-tuning4
Multi-Agent Systems4
A/B Testing3
Anomaly Detection3
Clean Architecture3
Context Engineering3
Dependency Injection3
LLMOps3
SRE3
BGP3
Synthetic Data3
Semantic Search3
AIOps2

And 29 more, each named in fewer postings.

What does each London Stock Exchange Group team work with?

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

DevOps

89 postings
AWS63
Azure54
Terraform53
Kubernetes51
Python45
Datadog37

Backend

77 postings
AWS40
Java30
Python30
Azure27
SQL27
C++21

Data Science

50 postings
Python42
AWS30
SQL29
Azure26
Scikit-learn14
Snowflake13

Analytics

42 postings
Python22
SQL20
Power BI19
Microsoft Excel6
IBM QRadar4
LogRhythm4

Leadership

27 postings
AWS10
Java6
AWS Lambda4
C#4
C++4
JavaScript4

QA

23 postings
AWS16
Python16
SQL16
Playwright14
Selenium11
Java9

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How much does London Stock Exchange Group pay by technology?

Median stated pay of the postings that name each technology, against the median of all London Stock Exchange Group postings with stated pay: $163k across 53 postings.

TechnologyPostings with payMedianvs company median
Python30$163k+1%
SQL18$99k−39%
Azure17$163k0%
Java11$216k+33%
AWS11$192k+18%
Kubernetes11$167k+3%
C++8$216k+33%
Linux8$178k+10%
LLM7$212k+30%
Power BI6$99k−39%

How is the London Stock Exchange Group 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
Salesforce FlowOct 2026
AgentforceOct 2026
Lightning Web ComponentsOct 2026
AWS CDKOct 2026
Chaos EngineeringOct 2026
Context EngineeringOct 2026
Google GKEOct 2026
CollibraOct 2026
Rising
Power BI2% → 16%
Microsoft Excel1% → 10%
ETL/ELT0% → 9%
Azure DevOps1% → 6%
Snowflake5% → 9%
GitHub Actions3% → 6%
Spark0% → 3%
Pytest0% → 3%
Falling
AWS56% → 37%
Kubernetes36% → 18%
Azure44% → 28%
Docker28% → 13%
Java27% → 17%
RAG15% → 5%
C#16% → 7%
C++16% → 7%

How modern is the London Stock Exchange Group stack?

Cutting-edge AI adopter 78/100

London Stock Exchange Group scores 78 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: 12; legacy ones: 0.

How common is the London Stock Exchange Group stack in its industry?

Share of the 617 companies in the same industries, whose stack Alion knows, that use each technology.

Python68%
AWS52%
SQL61%
Azure37%
Kubernetes35%
Java34%
GitLab13%
Datadog14%
JavaScript46%
Power BI22%

What sets London Stock Exchange Group apart

Azure AKS4%

Questions about the London Stock Exchange Group tech stack

What programming languages does London Stock Exchange Group use?

The languages named in London Stock Exchange Group job postings are Python (54%), SQL (38%), Java (20%), JavaScript (12%), C# (9%), as a share of the 525 postings of the last 12 months.

Does London Stock Exchange Group use Spring Boot?

Yes. Spring Boot is named in 22 of 525 job postings (4%) and required in 19 of them.

What cloud and platforms does London Stock Exchange Group use?

The cloud and platforms named in London Stock Exchange Group job postings are AWS (225), Azure (177), Kubernetes (122) (postings in brackets).

What skills do you need for a DevOps job at London Stock Exchange Group?

DevOps postings at London Stock Exchange Group most often require AWS (63), Azure (54), Terraform (53), Kubernetes (51), out of 89 postings in the last 12 months.

Is the London Stock Exchange Group tech stack changing?

Yes. Salesforce Flow, Agentforce, Lightning Web Components, AWS CDK first appeared in London Stock Exchange Group job postings in the last six months.

How modern is the London Stock Exchange Group tech stack?

London Stock Exchange Group scores 78 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: 12; legacy ones: 0.

How does Alion know the London Stock Exchange Group tech stack?

Alion reads every job posting London Stock Exchange Group publishes and tags the technologies each one names. The figures on this page count the 525 postings of the last 12 months and were updated on Nov 13, 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, "London Stock Exchange Group tech stack: 347 technologies from 525 job postings", as of Nov 13, 2026. https://alion.io/company/lseg/technologies

Licence: CC BY-SA 4.0JSON