LSEG tech stack
LSEG builds mostly with Java, Python, C#, C++. Its stack also includes AWS, Azure, Angular, DynamoDB. AWS is named in 13 of the 17 job postings LSEG published in the last 12 months (76%). Counted by Alion from the job postings of LSEG, updated Oct 3, 2026.
What programming languages does LSEG use?
Java is named in 59% of job postings at LSEG, followed by Python (59%), C# (47%), C++ (41%).
C# 
Show all (12)
What frameworks and libraries does LSEG use?
Angular is named in 12% of job postings at LSEG, followed by OpenTelemetry (6%), Spring Boot (6%), Spring Framework (6%).
What databases does LSEG use?
DynamoDB is named in 6% of job postings at LSEG, followed by Oracle (6%).
What cloud and platforms does LSEG use?
AWS is named in 76% of job postings at LSEG, followed by Azure (76%), Kubernetes (53%), GitLab (24%).
AWS
13 76%
Azure
13 76%
Kubernetes
9 53%
GitLab
4 24%
GCP
3 18%
GitHub
3 18%
.NET
2 12%
Show all (23)
What developer tools does LSEG use?
Terraform is named in 35% of job postings at LSEG, followed by Docker (35%), Ansible (6%), CloudFormation (6%).
Terraform
6 35%
Docker
6 35%
Ansible
1 6%
CloudFormation
1 6%
Git
1 6%
Jenkins
1 6%
Liquibase
1 6%
Prometheus
1 6%
Show all (19)
Which engineering practices does LSEG ask for?
CI/CD is named in 59% of job postings at LSEG, followed by Machine Learning (24%), Platform Engineering (18%), TCP/IP (18%).
CI/CD
10 59%
Platform Engineering
3 18%
AI Agents
1 6%
Show all (12)
What does each LSEG team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
7 postingsDevOps
3 postingsHow does your stack fit LSEG?
How modern is the LSEG stack?
LSEG 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: 1; legacy ones: 0.
Companies with a stack like LSEG
Questions about the LSEG tech stack
What programming languages does LSEG use?
The languages named in LSEG job postings are Java (59%), Python (59%), C# (47%), C++ (41%), SQL (29%), as a share of the 17 postings of the last 12 months.
Does LSEG use Angular?
Yes. Angular is named in 2 of 17 job postings (12%) and required in 2 of them.
What cloud and platforms does LSEG use?
The cloud and platforms named in LSEG job postings are AWS (13), Azure (13), Kubernetes (9) (postings in brackets).
What skills do you need for a Backend job at LSEG?
Backend postings at LSEG most often require Azure (5), AWS (4), C# (4), Java (4), out of 7 postings in the last 12 months.
Is the LSEG tech stack changing?
No new technology has appeared in LSEG job postings in the last six months.
How modern is the LSEG tech stack?
LSEG 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: 1; legacy ones: 0.
How does Alion know the LSEG tech stack?
Alion reads every job posting LSEG publishes and tags the technologies each one names. The figures on this page count the 17 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, "LSEG tech stack: 74 technologies from 17 job postings", as of Oct 3, 2026. https://alion.io/company/stockreportsplus/technologies