# Washington University in St. Louis - **Answer**: Washington University in St. Louis builds mostly with SAS, Python, SQL, MATLAB. Its stack also includes Linux, Cognos, PyTorch, PostgreSQL. SAS is named in 74 of the 269 job postings Washington University in St. Louis published in the last 12 months (28%). Counted by Alion from the job postings of Washington University in St. Louis, updated Nov 13, 2026. - **Window days**: 365 - **Postings analysed**: 269 - **Open postings**: 155 - **Technologies in use**: 106 - **Modernity score**: 69 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 14423 - **Name**: Washington University in St. Louis - **Domain**: washu.edu - **Url**: ## Technologies - **Microsoft Excel** — Layer: tools; Postings: 76; Share: 0.2825; Required: 6; Open postings: 35; First seen: 2026-07-16 - **SAS** — Layer: languages; Postings: 74; Share: 0.2751; Required: 3; Open postings: 49; First seen: 2026-07-16 - **Python** — Layer: languages; Postings: 34; Share: 0.1264; Required: 13; Open postings: 18; First seen: 2026-07-16 - **Cell Culture** — Layer: practices; Postings: 14; Share: 0.052; Required: 6; Open postings: 13; First seen: 2026-07-17 - **Machine Learning** — Layer: practices; Postings: 14; Share: 0.052; Required: 6; Open postings: 5; First seen: 2026-07-16 - **GLP** — Layer: practices; Postings: 13; Share: 0.0483; Required: 12; Open postings: 13; First seen: 2026-07-17 - **Linux** — Layer: cloud; Postings: 13; Share: 0.0483; Required: 4; Open postings: 7; First seen: 2026-07-16 - **SQL** — Layer: languages; Postings: 13; Share: 0.0483; Required: 4; Open postings: 6; First seen: 2026-08-17 - **Cognos** — Layer: cloud; Postings: 13; Share: 0.0483; Required: 0; Open postings: 3; First seen: 2026-07-16 - **Flow Cytometry** — Layer: practices; Postings: 12; Share: 0.0446; Required: 10; Open postings: 11; First seen: 2026-07-17 - **GCP** — Layer: cloud; Postings: 10; Share: 0.0372; Required: 3; Open postings: 3; First seen: 2026-07-24 - **Windows** — Layer: cloud; Postings: 10; Share: 0.0372; Required: 2; Open postings: 4; First seen: 2026-07-16 - **MATLAB** — Layer: languages; Postings: 7; Share: 0.026; Required: 4; Open postings: 6; First seen: 2026-07-16 - **PCR** — Layer: practices; Postings: 6; Share: 0.0223; Required: 5; Open postings: 5; First seen: 2026-10-28 - **Incident Management** — Layer: practices; Postings: 6; Share: 0.0223; Required: 4; Open postings: 2; First seen: 2026-08-07 - **Next-Generation Sequencing** — Layer: practices; Postings: 5; Share: 0.0186; Required: 5; Open postings: 4; First seen: 2026-07-28 - **Perl** — Layer: languages; Postings: 5; Share: 0.0186; Required: 2; Open postings: 2; First seen: 2026-07-16 - **Unix** — Layer: cloud; Postings: 5; Share: 0.0186; Required: 0; Open postings: 2; First seen: 2026-07-16 - **Mass Spectrometry** — Layer: practices; Postings: 4; Share: 0.0149; Required: 4; Open postings: 4; First seen: 2026-09-01 - **HPC** — Layer: practices; Postings: 4; Share: 0.0149; Required: 3; Open postings: 1; First seen: 2026-08-05 - **GitHub** — Layer: cloud; Postings: 4; Share: 0.0149; Required: 1; Open postings: 0; First seen: 2026-08-19 - **AWS** — Layer: cloud; Postings: 4; Share: 0.0149; Required: 0; Open postings: 0; First seen: 2026-08-19 - **C++** — Layer: languages; Postings: 4; Share: 0.0149; Required: 0; Open postings: 2; First seen: 2026-08-05 - **Git** — Layer: tools; Postings: 4; Share: 0.0149; Required: 0; Open postings: 1; First seen: 2026-07-16 - **SOAP** — Layer: practices; Postings: 3; Share: 0.0112; Required: 3; Open postings: 2; First seen: 2026-07-16 - **Western Blot** — Layer: practices; Postings: 3; Share: 0.0112; Required: 3; Open postings: 2; First seen: 2026-10-28 - **ETL/ELT** — Layer: practices; Postings: 3; Share: 0.0112; Required: 2; Open postings: 0; First seen: 2026-08-19 - **Stata** — Layer: languages; Postings: 3; Share: 0.0112; Required: 2; Open postings: 2; First seen: 2026-07-28 - **AI Agents** — Layer: practices; Postings: 3; Share: 0.0112; Required: 1; Open postings: 2; First seen: 2026-08-19 - **Power BI** — Layer: cloud; Postings: 3; Share: 0.0112; Required: 1; Open postings: 0; First seen: 2026-07-16 - **PyTorch** — Layer: frameworks; Postings: 3; Share: 0.0112; Required: 1; Open postings: 2; First seen: 2026-07-16 - **Azure** — Layer: cloud; Postings: 3; Share: 0.0112; Required: 0; Open postings: 0; First seen: 2026-08-19 - **Bash** — Layer: languages; Postings: 3; Share: 0.0112; Required: 0; Open postings: 1; First seen: 2026-09-22 - **CI/CD** — Layer: practices; Postings: 3; Share: 0.0112; Required: 0; Open postings: 1; First seen: 2026-08-19 - **Java** — Layer: languages; Postings: 3; Share: 0.0112; Required: 0; Open postings: 0; First seen: 2026-09-02 - **CRISPR** — Layer: practices; Postings: 2; Share: 0.0074; Required: 2; Open postings: 2; First seen: 2026-11-04 - **Immunohistochemistry** — Layer: practices; Postings: 2; Share: 0.0074; Required: 2; Open postings: 2; First seen: 2026-10-28 - **JavaScript** — Layer: languages; Postings: 2; Share: 0.0074; Required: 2; Open postings: 0; First seen: 2026-07-28 - **Multimodal AI** — Layer: practices; Postings: 2; Share: 0.0074; Required: 2; Open postings: 1; First seen: 2026-08-19 - **Single-Cell Sequencing** — Layer: practices; Postings: 2; Share: 0.0074; Required: 2; Open postings: 1; First seen: 2026-08-18 - **Confocal Microscopy** — Layer: practices; Postings: 2; Share: 0.0074; Required: 1; Open postings: 2; First seen: 2026-11-04 - **ELISA** — Layer: practices; Postings: 2; Share: 0.0074; Required: 1; Open postings: 2; First seen: 2026-10-28 - **Kubernetes** — Layer: cloud; Postings: 2; Share: 0.0074; Required: 1; Open postings: 0; First seen: 2026-08-19 - **PHP** — Layer: languages; Postings: 2; Share: 0.0074; Required: 1; Open postings: 0; First seen: 2026-08-19 - **PostgreSQL** — Layer: data; Postings: 2; Share: 0.0074; Required: 1; Open postings: 0; First seen: 2026-08-19 - **SPSS** — Layer: languages; Postings: 2; Share: 0.0074; Required: 1; Open postings: 2; First seen: 2026-09-30 - **TensorFlow** — Layer: frameworks; Postings: 2; Share: 0.0074; Required: 1; Open postings: 1; First seen: 2026-08-05 - **TensorFlow C++** — Layer: frameworks; Postings: 2; Share: 0.0074; Required: 1; Open postings: 1; First seen: 2026-08-05 - **Adobe Illustrator** — Layer: tools; Postings: 2; Share: 0.0074; Required: 0; Open postings: 2; First seen: 2026-10-02 - **Adobe InDesign** — Layer: tools; Postings: 2; Share: 0.0074; Required: 0; Open postings: 2; First seen: 2026-10-02 - … 56 more in the JSON form ## Changes ### First appeared - **CRISPR** — First seen: 2026-11-04 - **Confocal Microscopy** — First seen: 2026-11-04 - **PCR** — First seen: 2026-10-28 - **Western Blot** — First seen: 2026-10-28 - **Immunohistochemistry** — First seen: 2026-10-28 - **ELISA** — First seen: 2026-10-28 - **GraphPad Prism** — First seen: 2026-10-23 ### Rising - **Microsoft Excel** — Share from: 19; Share to: 31 - **SQL** — Share from: 0; Share to: 6 - **Cell Culture** — Share from: 2; Share to: 6 - **Cognos** — Share from: 2; Share to: 6 - **Flow Cytometry** — Share from: 2; Share to: 5 - **PCR** — Share from: 0; Share to: 3 ### Falling - **Python** — Share from: 18; Share to: 11 - **Incident Management** — Share from: 5; Share to: 1 - **Linux** — Share from: 7; Share to: 4 ## Similar stacks - [University of Miami](https://alion.io/company/miami/technologies) — Shared technologies: 63 - [University of Southern California](https://alion.io/company/usc-dornsife-news/technologies) — Shared technologies: 67 - [Ohio State University](https://alion.io/company/osu/technologies) — Shared technologies: 63 - [Novo Nordisk](https://alion.io/company/novonordisk-com/technologies) — Shared technologies: 69 - [Mass General Brigham](https://alion.io/company/massgeneralbrigham/technologies) — Shared technologies: 66 - [Texas A&M University System](https://alion.io/company/tamus/technologies) — Shared technologies: 69 - [Gilead Sciences](https://alion.io/company/gilead/technologies) — Shared technologies: 72 - [AbbVie](https://alion.io/company/abbvie/technologies) — Shared technologies: 92 --- [Page](https://alion.io/company/washu/technologies) · [JSON](https://alion.io/company/washu/technologies.json) Source: Alion (alion.io), 2026-11-13. 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