# London Stock Exchange Group - **Answer**: 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. - **Window days**: 365 - **Postings analysed**: 525 - **Open postings**: 336 - **Technologies in use**: 347 - **Modernity score**: 78 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 5734 - **Name**: London Stock Exchange Group - **Domain**: lseg.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 282; Share: 0.5371; Required: 244; Open postings: 194; First seen: 2024-12-03 - **CI/CD** — Layer: practices; Postings: 226; Share: 0.4305; Required: 198; Open postings: 150; First seen: 2025-05-24 - **AWS** — Layer: cloud; Postings: 225; Share: 0.4286; Required: 198; Open postings: 152; First seen: 2024-12-03 - **SQL** — Layer: languages; Postings: 198; Share: 0.3771; Required: 176; Open postings: 117; First seen: 2025-01-29 - **Azure** — Layer: cloud; Postings: 177; Share: 0.3371; Required: 152; Open postings: 122; First seen: 2024-12-03 - **Kubernetes** — Layer: cloud; Postings: 122; Share: 0.2324; Required: 91; Open postings: 87; First seen: 2025-05-24 - **Java** — Layer: languages; Postings: 107; Share: 0.2038; Required: 81; Open postings: 72; First seen: 2024-12-03 - **Terraform** — Layer: tools; Postings: 104; Share: 0.1981; Required: 77; Open postings: 72; First seen: 2024-12-03 - **Docker** — Layer: tools; Postings: 89; Share: 0.1695; Required: 74; Open postings: 60; First seen: 2025-05-24 - **Git** — Layer: tools; Postings: 75; Share: 0.1429; Required: 65; Open postings: 48; First seen: 2025-09-11 - **GitLab** — Layer: cloud; Postings: 68; Share: 0.1295; Required: 55; Open postings: 45; First seen: 2025-05-24 - **Datadog** — Layer: cloud; Postings: 65; Share: 0.1238; Required: 55; Open postings: 47; First seen: 2024-12-03 - **JavaScript** — Layer: languages; Postings: 65; Share: 0.1238; Required: 41; Open postings: 44; First seen: 2025-07-13 - **Platform Engineering** — Layer: practices; Postings: 63; Share: 0.12; Required: 57; Open postings: 39; First seen: 2025-12-17 - **Power BI** — Layer: cloud; Postings: 63; Share: 0.12; Required: 54; Open postings: 31; First seen: 2025-11-18 - **AI Agents** — Layer: practices; Postings: 63; Share: 0.12; Required: 53; Open postings: 44; First seen: 2025-12-17 - **Rest API** — Layer: tools; Postings: 59; Share: 0.1124; Required: 54; Open postings: 35; First seen: 2025-07-08 - **Linux** — Layer: cloud; Postings: 57; Share: 0.1086; Required: 53; Open postings: 43; First seen: 2025-06-12 - **Machine Learning** — Layer: practices; Postings: 54; Share: 0.1029; Required: 48; Open postings: 40; First seen: 2025-01-29 - **Incident Management** — Layer: practices; Postings: 53; Share: 0.101; Required: 48; Open postings: 35; First seen: 2025-09-29 - **C#** — Layer: languages; Postings: 49; Share: 0.0933; Required: 39; Open postings: 37; First seen: 2024-12-03 - **GCP** — Layer: cloud; Postings: 47; Share: 0.0895; Required: 37; Open postings: 29; First seen: 2024-12-03 - **Jenkins** — Layer: tools; Postings: 47; Share: 0.0895; Required: 36; Open postings: 34; First seen: 2025-05-24 - **PostgreSQL** — Layer: data; Postings: 46; Share: 0.0876; Required: 38; Open postings: 30; First seen: 2025-09-02 - **LLM** — Layer: ai; Postings: 45; Share: 0.0857; Required: 35; Open postings: 34; First seen: 2026-01-27 - **C++** — Layer: languages; Postings: 44; Share: 0.0838; Required: 39; Open postings: 30; First seen: 2025-09-08 - **Microsoft Excel** — Layer: tools; Postings: 43; Share: 0.0819; Required: 37; Open postings: 23; First seen: 2025-11-19 - **Snowflake** — Layer: data; Postings: 40; Share: 0.0762; Required: 33; Open postings: 23; First seen: 2025-12-17 - **RAG** — Layer: practices; Postings: 39; Share: 0.0743; Required: 31; Open postings: 30; First seen: 2026-01-27 - **Apache Kafka** — Layer: cloud; Postings: 38; Share: 0.0724; Required: 30; Open postings: 24; First seen: 2025-06-12 - **TypeScript** — Layer: languages; Postings: 38; Share: 0.0724; Required: 29; Open postings: 23; First seen: 2025-08-12 - **IAM** — Layer: practices; Postings: 37; Share: 0.0705; Required: 29; Open postings: 24; First seen: 2024-12-03 - **ETL/ELT** — Layer: practices; Postings: 35; Share: 0.0667; Required: 30; Open postings: 22; First seen: 2025-12-17 - **PowerShell** — Layer: languages; Postings: 34; Share: 0.0648; Required: 23; Open postings: 23; First seen: 2025-04-09 - **Copilot** — Layer: tools; Postings: 33; Share: 0.0629; Required: 21; Open postings: 24; First seen: 2025-12-17 - **Amazon EKS** — Layer: cloud; Postings: 30; Share: 0.0571; Required: 27; Open postings: 22; First seen: 2025-12-11 - **AWS Lambda** — Layer: cloud; Postings: 30; Share: 0.0571; Required: 25; Open postings: 21; First seen: 2025-09-02 - **Amazon S3** — Layer: cloud; Postings: 29; Share: 0.0552; Required: 22; Open postings: 18; First seen: 2026-02-12 - **GitLab CI** — Layer: cloud; Postings: 29; Share: 0.0552; Required: 22; Open postings: 21; First seen: 2026-01-27 - **GitHub Actions** — Layer: cloud; Postings: 28; Share: 0.0533; Required: 20; Open postings: 21; First seen: 2025-10-23 - **Grafana** — Layer: cloud; Postings: 28; Share: 0.0533; Required: 17; Open postings: 18; First seen: 2025-05-24 - **Oracle** — Layer: data; Postings: 27; Share: 0.0514; Required: 24; Open postings: 18; First seen: 2025-11-21 - **Ansible** — Layer: tools; Postings: 27; Share: 0.0514; Required: 23; Open postings: 23; First seen: 2026-01-27 - **Azure DevOps** — Layer: cloud; Postings: 26; Share: 0.0495; Required: 24; Open postings: 17; First seen: 2025-11-18 - **Model Context Protocol** — Layer: tools; Postings: 24; Share: 0.0457; Required: 21; Open postings: 18; First seen: 2026-01-27 - **Spring Boot** — Layer: frameworks; Postings: 22; Share: 0.0419; Required: 19; Open postings: 13; First seen: 2026-02-12 - **Amazon EC2** — Layer: cloud; Postings: 21; Share: 0.04; Required: 21; Open postings: 17; First seen: 2026-02-12 - **Unix** — Layer: cloud; Postings: 21; Share: 0.04; Required: 17; Open postings: 11; First seen: 2025-09-11 - **GitHub** — Layer: cloud; Postings: 20; Share: 0.0381; Required: 17; Open postings: 15; First seen: 2026-04-22 - **Prompt Engineering** — Layer: practices; Postings: 20; Share: 0.0381; Required: 17; Open postings: 16; First seen: 2026-01-27 - … 297 more in the JSON form ## Changes ### First appeared - **Salesforce Flow** — First seen: 2026-10-30 - **Agentforce** — First seen: 2026-10-30 - **Lightning Web Components** — First seen: 2026-10-30 - **AWS CDK** — First seen: 2026-10-29 - **Chaos Engineering** — First seen: 2026-10-22 - **Context Engineering** — First seen: 2026-10-16 - **Google GKE** — First seen: 2026-10-15 - **Collibra** — First seen: 2026-10-13 ### Rising - **Power BI** — Share from: 2; Share to: 16 - **Microsoft Excel** — Share from: 1; Share to: 10 - **ETL/ELT** — Share from: 0; Share to: 9 - **Azure DevOps** — Share from: 1; Share to: 6 - **Snowflake** — Share from: 5; Share to: 9 - **GitHub Actions** — Share from: 3; Share to: 6 - **Spark** — Share from: 0; Share to: 3 - **Pytest** — Share from: 0; Share to: 3 ### Falling - **AWS** — Share from: 56; Share to: 37 - **Kubernetes** — Share from: 36; Share to: 18 - **Azure** — Share from: 44; Share to: 28 - **Docker** — Share from: 28; Share to: 13 - **Java** — Share from: 27; Share to: 17 - **RAG** — Share from: 15; Share to: 5 - **C#** — Share from: 16; Share to: 7 - **C++** — Share from: 16; Share to: 7 ## Similar stacks - [Persistent Systems](https://alion.io/company/persistent-systems/technologies) — Shared technologies: 283 - [State Street](https://alion.io/company/state-street/technologies) — Shared technologies: 286 - [Genpact](https://alion.io/company/genpact/technologies) — Shared technologies: 275 - [Intercontinental Exchange](https://alion.io/company/intercontinental-exchange/technologies) — Shared technologies: 230 - [Zensar Technologies](https://alion.io/company/zensar-technologies/technologies) — Shared technologies: 296 - [Barclays](https://alion.io/company/barclays-uk/technologies) — Shared technologies: 273 - [FIS](https://alion.io/company/fis/technologies) — Shared technologies: 259 - [Ascendion](https://alion.io/company/ascendion/technologies) — Shared technologies: 243 --- [Page](https://alion.io/company/lseg/technologies) · [JSON](https://alion.io/company/lseg/technologies.json) Source: Alion (alion.io), 2026-11-13. 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