# American Express - **Answer**: American Express builds mostly with Python, SQL, Java, JavaScript. Its stack also includes GCP, Kubernetes, PostgreSQL, React.js. Python is named in 430 of the 769 job postings American Express published in the last 12 months (56%). Counted by Alion from the job postings of American Express, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 769 - **Open postings**: 250 - **Technologies in use**: 392 - **Modernity score**: 77 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 2209 - **Name**: American Express - **Domain**: americanexpress.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 430; Share: 0.5592; Required: 356; Open postings: 156; First seen: 2026-05-29 - **SQL** — Layer: languages; Postings: 295; Share: 0.3836; Required: 225; Open postings: 89; First seen: 2026-07-08 - **AI Agents** — Layer: practices; Postings: 244; Share: 0.3173; Required: 206; Open postings: 120; First seen: 2026-06-12 - **CI/CD** — Layer: practices; Postings: 206; Share: 0.2679; Required: 169; Open postings: 87; First seen: 2026-07-17 - **Machine Learning** — Layer: practices; Postings: 182; Share: 0.2367; Required: 149; Open postings: 82; First seen: 2026-07-20 - **GCP** — Layer: cloud; Postings: 174; Share: 0.2263; Required: 113; Open postings: 54; First seen: 2026-06-12 - **Java** — Layer: languages; Postings: 153; Share: 0.199; Required: 118; Open postings: 44; First seen: 2026-07-14 - **LLM** — Layer: ai; Postings: 148; Share: 0.1925; Required: 121; Open postings: 68; First seen: 2026-06-12 - **Kubernetes** — Layer: cloud; Postings: 138; Share: 0.1795; Required: 79; Open postings: 41; First seen: 2026-06-12 - **RAG** — Layer: practices; Postings: 136; Share: 0.1769; Required: 97; Open postings: 55; First seen: 2026-06-12 - **AWS** — Layer: cloud; Postings: 135; Share: 0.1756; Required: 74; Open postings: 41; First seen: 2026-05-29 - **JavaScript** — Layer: languages; Postings: 131; Share: 0.1704; Required: 77; Open postings: 57; First seen: 2026-05-29 - **Rest API** — Layer: tools; Postings: 115; Share: 0.1495; Required: 79; Open postings: 51; First seen: 2026-07-30 - **Prompt Engineering** — Layer: practices; Postings: 112; Share: 0.1456; Required: 55; Open postings: 48; First seen: 2026-06-12 - **Apache Kafka** — Layer: cloud; Postings: 106; Share: 0.1378; Required: 57; Open postings: 25; First seen: 2026-06-12 - **Power BI** — Layer: cloud; Postings: 104; Share: 0.1352; Required: 63; Open postings: 30; First seen: 2026-08-04 - **TypeScript** — Layer: languages; Postings: 101; Share: 0.1313; Required: 59; Open postings: 35; First seen: 2026-05-29 - **Tableau** — Layer: cloud; Postings: 97; Share: 0.1261; Required: 61; Open postings: 27; First seen: 2026-08-04 - **Docker** — Layer: tools; Postings: 82; Share: 0.1066; Required: 64; Open postings: 22; First seen: 2026-07-17 - **Microsoft Excel** — Layer: tools; Postings: 80; Share: 0.104; Required: 69; Open postings: 19; First seen: 2026-07-14 - **Go** — Layer: languages; Postings: 79; Share: 0.1027; Required: 51; Open postings: 29; First seen: 2026-05-29 - **Agentic Workflows** — Layer: practices; Postings: 75; Share: 0.0975; Required: 37; Open postings: 46; First seen: 2026-08-04 - **Embeddings** — Layer: practices; Postings: 73; Share: 0.0949; Required: 33; Open postings: 46; First seen: 2026-08-06 - **PostgreSQL** — Layer: data; Postings: 71; Share: 0.0923; Required: 56; Open postings: 19; First seen: 2026-05-29 - **Azure** — Layer: cloud; Postings: 70; Share: 0.091; Required: 53; Open postings: 24; First seen: 2026-07-17 - **React.js** — Layer: frameworks; Postings: 66; Share: 0.0858; Required: 48; Open postings: 22; First seen: 2026-05-29 - **Git** — Layer: tools; Postings: 66; Share: 0.0858; Required: 45; Open postings: 25; First seen: 2026-08-17 - **Function Calling** — Layer: practices; Postings: 66; Share: 0.0858; Required: 38; Open postings: 42; First seen: 2026-06-23 - **Jenkins** — Layer: tools; Postings: 64; Share: 0.0832; Required: 51; Open postings: 13; First seen: 2026-07-14 - **Spark** — Layer: cloud; Postings: 60; Share: 0.078; Required: 40; Open postings: 11; First seen: 2026-07-30 - **ETL/ELT** — Layer: practices; Postings: 56; Share: 0.0728; Required: 32; Open postings: 31; First seen: 2026-08-14 - **gRPC** — Layer: tools; Postings: 53; Share: 0.0689; Required: 14; Open postings: 15; First seen: 2026-06-12 - **Cassandra** — Layer: data; Postings: 52; Share: 0.0676; Required: 34; Open postings: 11; First seen: 2026-08-24 - **Google BigQuery** — Layer: data; Postings: 51; Share: 0.0663; Required: 37; Open postings: 12; First seen: 2026-07-20 - **Copilot** — Layer: tools; Postings: 46; Share: 0.0598; Required: 34; Open postings: 15; First seen: 2026-07-30 - **PowerShell** — Layer: languages; Postings: 44; Share: 0.0572; Required: 40; Open postings: 24; First seen: 2026-07-30 - **Human-in-the-Loop** — Layer: practices; Postings: 44; Share: 0.0572; Required: 18; Open postings: 30; First seen: 2026-08-17 - **LLM Guardrails** — Layer: practices; Postings: 43; Share: 0.0559; Required: 20; Open postings: 26; First seen: 2026-07-14 - **Kotlin** — Layer: languages; Postings: 42; Share: 0.0546; Required: 34; Open postings: 22; First seen: 2026-08-17 - **Couchbase** — Layer: data; Postings: 42; Share: 0.0546; Required: 22; Open postings: 14; First seen: 2026-08-17 - **Spring Boot** — Layer: frameworks; Postings: 41; Share: 0.0533; Required: 38; Open postings: 9; First seen: 2026-08-20 - **LangChain** — Layer: frameworks; Postings: 38; Share: 0.0494; Required: 22; Open postings: 17; First seen: 2026-07-20 - **IAM** — Layer: practices; Postings: 38; Share: 0.0494; Required: 19; Open postings: 21; First seen: 2026-07-22 - **NLP** — Layer: practices; Postings: 37; Share: 0.0481; Required: 12; Open postings: 19; First seen: 2026-08-14 - **GitHub** — Layer: cloud; Postings: 36; Share: 0.0468; Required: 26; Open postings: 13; First seen: 2026-07-30 - **Node JS** — Layer: languages; Postings: 35; Share: 0.0455; Required: 31; Open postings: 14; First seen: 2026-05-29 - **GitHub Actions** — Layer: cloud; Postings: 35; Share: 0.0455; Required: 30; Open postings: 2; First seen: 2026-07-30 - **Redis** — Layer: data; Postings: 35; Share: 0.0455; Required: 18; Open postings: 9; First seen: 2026-08-17 - **Prometheus** — Layer: tools; Postings: 34; Share: 0.0442; Required: 28; Open postings: 15; First seen: 2026-08-20 - **Linux** — Layer: cloud; Postings: 33; Share: 0.0429; Required: 28; Open postings: 9; First seen: 2026-07-14 - … 342 more in the JSON form ## Changes ### First appeared - **Apache Tomcat** — First seen: 2026-10-23 - **Red Teaming** — First seen: 2026-10-23 - **FastAPI** — First seen: 2026-10-15 - **Flask** — First seen: 2026-10-15 - **FAISS** — First seen: 2026-10-15 - **Pinecone** — First seen: 2026-10-15 - **pgvector** — First seen: 2026-10-15 - **Chroma** — First seen: 2026-10-15 ### Rising - **CI/CD** — Share from: 6; Share to: 28 - **Machine Learning** — Share from: 8; Share to: 25 - **Rest API** — Share from: 4; Share to: 16 - **Java** — Share from: 10; Share to: 21 - **Git** — Share from: 0; Share to: 9 - **Agentic Workflows** — Share from: 2; Share to: 10 - **Embeddings** — Share from: 2; Share to: 10 - **ETL/ELT** — Share from: 0; Share to: 8 ### Falling - **Go** — Share from: 27; Share to: 9 - **TypeScript** — Share from: 25; Share to: 12 - **AWS** — Share from: 29; Share to: 17 - **gRPC** — Share from: 15; Share to: 6 - **SIEM** — Share from: 8; Share to: 0 - **Microsoft Excel** — Share from: 17; Share to: 10 - **SAS** — Share from: 10; Share to: 3 - **Amazon ECS** — Share from: 6; Share to: 0 ## Similar stacks - [LTM](https://alion.io/company/ltm/technologies) — Shared technologies: 299 - [Barclays](https://alion.io/company/barclays-uk/technologies) — Shared technologies: 278 - [Brillio](https://alion.io/company/brillio/technologies) — Shared technologies: 265 - [UnitedHealth Group](https://alion.io/company/unitedhealthgrp/technologies) — Shared technologies: 303 - [Wells Fargo](https://alion.io/company/wells-fargo/technologies) — Shared technologies: 247 - [Deutsche Bank](https://alion.io/company/deutsche-bank/technologies) — Shared technologies: 255 - [U.S. Bank](https://alion.io/company/usbank-com/technologies) — Shared technologies: 232 - [Visa](https://alion.io/company/visa/technologies) — Shared technologies: 265 --- [Page](https://alion.io/company/american-express/technologies) · [JSON](https://alion.io/company/american-express/technologies.json) Source: Alion (alion.io), 2026-11-11. 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