London Stock Exchange tech stack

London Stock Exchange builds mostly with Python, Java, SQL, C++. Its stack also includes AWS, Azure, OpenTelemetry, Snowflake. AWS is named in 34 of the 68 job postings London Stock Exchange published in the last 12 months (50%). Counted by Alion from the job postings of London Stock Exchange, updated Oct 24, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 24, 2026
Technologies in use
152
Postings analysed
68
Open now
63
Modernity
79 /100
New in 6 months
8

What programming languages does London Stock Exchange use?

Python is named in 44% of job postings at London Stock Exchange, followed by Java (21%), SQL (18%), C++ (10%).

Python 30 44% required in 97% · 29 open now · since May 2026
Java 14 21% required in 71% · 14 open now · since Jun 2026
SQL 12 18% required in 75% · 12 open now · since Jul 2026
C++ 7 10% required in 86% · 7 open now · since Jul 2026
JavaScript 5 7% required in 100% · 4 open now · since Aug 2026
TypeScript 5 7% required in 100% · 4 open now · since May 2026
C# 5 7% required in 60% · 4 open now · since Jul 2026
PowerShell 4 6% required in 75% · 4 open now · since Jul 2026
Show all (14)
Bash3
Rust2
Scala2
Kotlin2
Go1
COBOL1

What frameworks and libraries does London Stock Exchange use?

OpenTelemetry is named in 7% of job postings at London Stock Exchange, followed by PyTorch (6%), Scikit-learn (6%), TensorFlow (6%).

OpenTelemetry 5 7% required in 100% · 5 open now · since May 2026
PyTorch 4 6% required in 100% · 4 open now · since May 2026
Scikit-learn 4 6% required in 100% · 4 open now · since May 2026
TensorFlow 4 6% required in 100% · 4 open now · since May 2026
LangChain 4 6% required in 75% · 4 open now · since May 2026
Spring Boot 4 6% required in 75% · 4 open now · since Aug 2026
FastAPI 2 3% required in 100% · 2 open now · since Jul 2026
JUnit 2 3% required in 100% · 2 open now · since Jul 2026
Show all (23)
React.js2
LangGraph2
Akka1
Angular1
AutoGen1
Cats1
CrewAI1
Mockito1
NumPy1
Pandas1
Play Framework1
Scalaz1
Selenium1
Transformers1
XGBoost1

What databases does London Stock Exchange use?

Snowflake is named in 6% of job postings at London Stock Exchange, followed by Azure SQL Database (6%), PostgreSQL (6%), Redis (6%).

Snowflake 4 6% required in 100% · 4 open now · since Jul 2026
Azure SQL Database 4 6% required in 75% · 4 open now · since Jul 2026
PostgreSQL 4 6% required in 75% · 4 open now · since Jul 2026
Redis 4 6% required in 50% · 4 open now · since Jul 2026
Azure Cosmos DB 3 4% required in 100% · 3 open now · since Jul 2026
Oracle 3 4% required in 67% · 3 open now · since Jul 2026
DynamoDB 2 3% required in 100% · 2 open now · since Jun 2026
Amazon Aurora 1 1% required in 100% · 1 open now · since Jul 2026
Show all (13)
ClickHouse1
Druid1
ElasticSearch1
HBase1
Presto1

What cloud and platforms does London Stock Exchange use?

AWS is named in 50% of job postings at London Stock Exchange, followed by Azure (37%), Kubernetes (29%), GitLab (13%).

AWS 34 50% required in 91% · 32 open now · since May 2026
Azure 25 37% required in 92% · 24 open now · since May 2026
Kubernetes 20 29% required in 85% · 20 open now · since May 2026
GitLab 9 13% required in 78% · 9 open now · since Jul 2026
Apache Kafka 8 12% required in 75% · 8 open now · since Jul 2026
Datadog 6 9% required in 100% · 6 open now · since May 2026
Amazon ECS 5 7% required in 100% · 5 open now · since May 2026
GCP 5 7% required in 100% · 5 open now · since Aug 2026
Show all (40)
Linux5
Amazon CloudWatch3
Amazon EKS3
Amazon SageMaker3
GitHub Actions3
AWS Bedrock2
AWS Lambda2
Amazon EC22
Databricks2
Power BI2
Windows2
GitLab CI2
ActiveMQ1
Amazon Kinesis1
Amazon S31
Azure DevOps1
Bitbucket1
Copilot Studio1
Figma1
GitHub1
Grafana1
Hugging Face1
IBM QRadar1
LogRhythm1
OpenAI1
SIEM1
SonarQube1
Spark1
Splunk1
VMWare1
Veracode1
Windows Server1

What developer tools does London Stock Exchange use?

Terraform is named in 26% of job postings at London Stock Exchange, followed by Docker (15%), Model Context Protocol (10%), Jenkins (10%).

Terraform 18 26% required in 89% · 17 open now · since May 2026
Docker 10 15% required in 90% · 10 open now · since Jun 2026
Model Context Protocol 7 10% required in 100% · 6 open now · since May 2026
Jenkins 7 10% required in 86% · 7 open now · since Jun 2026
Rest API 7 10% required in 86% · 7 open now · since Jun 2026
Ansible 6 9% required in 83% · 6 open now · since Jul 2026
Copilot 4 6% required in 100% · 4 open now · since Aug 2026
Git 4 6% required in 100% · 4 open now · since Jun 2026
Show all (28)
CloudFormation3
Microsoft Excel3
Bicep2
GraphQL2
Maven2
dbt2
Helm2
WebSockets2
Chef1
Flyway1
Gitleaks1
Gradle1
IBM MQ1
Informatica1
Liquibase1
Prometheus1
Puppet1
Semantic Kernel1
Semgrep1
Trivy1

What AI and ML technologies does London Stock Exchange use?

LLM is named in 18% of job postings at London Stock Exchange, followed by Claude (3%).

LLM 12 18% required in 92% · 12 open now · since May 2026
Claude 2 3% required in 100% · 2 open now · since May 2026

Which engineering practices does London Stock Exchange ask for?

CI/CD is named in 38% of job postings at London Stock Exchange, followed by Machine Learning (21%), AI Agents (16%), RAG (13%).

CI/CD 26 38% required in 96% · 25 open now · since May 2026
Machine Learning 14 21% required in 100% · 14 open now · since Jul 2026
AI Agents 11 16% required in 91% · 11 open now · since May 2026
RAG 9 13% required in 100% · 9 open now · since May 2026
Incident Management 7 10% required in 100% · 6 open now · since May 2026
Platform Engineering 7 10% required in 100% · 6 open now · since May 2026
IAM 6 9% required in 100% · 5 open now · since May 2026
Agentic Workflows 3 4% required in 100% · 3 open now · since May 2026
Show all (32)
Prompt Engineering3
DNS2
ETL/ELT2
Function Calling2
GitOps2
LLM Guardrails2
Feature Store2
Configuration Management1
Embeddings1
FinOps1
Fine-tuning1
GraphRAG1
Human-in-the-Loop1
Knowledge Graph1
LLMOps1
Multi-Agent Systems1
NLP1
Red Teaming1
Reinforcement Learning1
Semantic Search1
Service Mesh1
Synthetic Data1
Trunk-Based Development1
TCP/IP1

What does each London Stock Exchange team work with?

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

Backend

15 postings
AWS9
Java8
C++5
Python5
Apache Kafka4
Azure4

DevOps

13 postings
AWS12
Azure10
Kubernetes9
Terraform9
Docker5
Python5

Data Science

8 postings
Python7
Azure6
AWS5
SQL4
Scikit-learn4
PyTorch3

Product

8 postings
LLM3
Model Context Protocol3
Python3

AI/ML

7 postings
Python5
AWS3
LLM3
Model Context Protocol3
Amazon SageMaker2
FastAPI2

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How is the London Stock Exchange 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
LangGraphSep 2026
React.jsSep 2026
Microsoft ExcelSep 2026
ETL/ELTSep 2026
Power BISep 2026
WindowsAug 2026
Spring BootAug 2026
MavenAug 2026
Rising
CI/CD21% → 45%
GitLab0% → 18%
Docker5% → 18%
Ansible0% → 12%
GCP0% → 10%
JavaScript0% → 10%
Copilot0% → 8%
PostgreSQL0% → 8%
Falling
LLM42% → 8%
Model Context Protocol26% → 4%
RAG26% → 8%
Incident Management21% → 6%
C++21% → 6%
Linux16% → 4%
Datadog16% → 6%
Rest API16% → 8%

How modern is the London Stock Exchange stack?

Cutting-edge AI adopter 79/100

London Stock Exchange scores 79 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 London Stock Exchange stack in its industry?

Share of the 1,147 companies in the same industries, whose stack Alion knows, that use each technology.

AWS37%
Python51%
Azure33%
Kubernetes28%
Java26%
LLM22%
SQL52%
GitLab10%
Apache Kafka15%
C++10%

What sets London Stock Exchange apart

Azure SQL Database3%
Amazon SageMaker2%
Azure Cosmos DB2%

Questions about the London Stock Exchange tech stack

What programming languages does London Stock Exchange use?

The languages named in London Stock Exchange job postings are Python (44%), Java (21%), SQL (18%), C++ (10%), JavaScript (7%), as a share of the 68 postings of the last 12 months.

Does London Stock Exchange use OpenTelemetry?

Yes. OpenTelemetry is named in 5 of 68 job postings (7%) and required in 5 of them.

What cloud and platforms does London Stock Exchange use?

The cloud and platforms named in London Stock Exchange job postings are AWS (34), Azure (25), Kubernetes (20) (postings in brackets).

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

Backend postings at London Stock Exchange most often require AWS (9), Java (8), C++ (5), Python (5), out of 15 postings in the last 12 months.

Is the London Stock Exchange tech stack changing?

Yes. LangGraph, React.js, Microsoft Excel, ETL/ELT first appeared in London Stock Exchange job postings in the last six months.

How modern is the London Stock Exchange tech stack?

London Stock Exchange scores 79 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 London Stock Exchange tech stack?

Alion reads every job posting London Stock Exchange publishes and tags the technologies each one names. The figures on this page count the 68 postings of the last 12 months and were updated on Oct 24, 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 tech stack: 152 technologies from 68 job postings", as of Oct 24, 2026. https://alion.io/company/londonstockexchange/technologies

Licence: CC BY-SA 4.0JSON