# Waste Connections - **Answer**: Waste Connections builds mostly with C#, Python, SQL, 1C. Its stack also includes .NET, AWS, Delta Lake, MS SQL. C# is named in 9 of the 109 job postings Waste Connections published in the last 12 months (8%). Counted by Alion from the job postings of Waste Connections, updated Nov 14, 2026. - **Window days**: 365 - **Postings analysed**: 109 - **Open postings**: 59 - **Technologies in use**: 49 - **Modernity score**: 74 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 1829440 - **Name**: Waste Connections - **Domain**: wasteconnections.com - **Url**: ## Technologies - **Microsoft Excel** — Layer: tools; Postings: 78; Share: 0.7156; Required: 75; Open postings: 42; First seen: 2026-08-13 - **.NET** — Layer: cloud; Postings: 9; Share: 0.0826; Required: 9; Open postings: 3; First seen: 2026-08-13 - **C#** — Layer: languages; Postings: 9; Share: 0.0826; Required: 1; Open postings: 3; First seen: 2026-08-13 - **AWS** — Layer: cloud; Postings: 7; Share: 0.0642; Required: 5; Open postings: 5; First seen: 2026-08-13 - **CI/CD** — Layer: practices; Postings: 4; Share: 0.0367; Required: 4; Open postings: 3; First seen: 2026-08-13 - **PCR** — Layer: practices; Postings: 4; Share: 0.0367; Required: 4; Open postings: 3; First seen: 2026-08-21 - **Python** — Layer: languages; Postings: 4; Share: 0.0367; Required: 4; Open postings: 3; First seen: 2026-08-13 - **Windows** — Layer: cloud; Postings: 4; Share: 0.0367; Required: 4; Open postings: 2; First seen: 2026-08-13 - **Databricks** — Layer: cloud; Postings: 4; Share: 0.0367; Required: 3; Open postings: 2; First seen: 2026-09-10 - **Azure** — Layer: cloud; Postings: 4; Share: 0.0367; Required: 1; Open postings: 3; First seen: 2026-09-10 - **Rive** — Layer: cloud; Postings: 3; Share: 0.0275; Required: 3; Open postings: 3; First seen: 2026-08-05 - **SQL** — Layer: languages; Postings: 3; Share: 0.0275; Required: 3; Open postings: 2; First seen: 2026-09-10 - **TCP/IP** — Layer: practices; Postings: 3; Share: 0.0275; Required: 3; Open postings: 1; First seen: 2026-08-13 - **Spark** — Layer: cloud; Postings: 3; Share: 0.0275; Required: 2; Open postings: 2; First seen: 2026-09-10 - **Terraform** — Layer: tools; Postings: 3; Share: 0.0275; Required: 2; Open postings: 2; First seen: 2026-09-10 - **Active Directory** — Layer: cloud; Postings: 2; Share: 0.0183; Required: 2; Open postings: 2; First seen: 2026-10-21 - **Delta Lake** — Layer: data; Postings: 2; Share: 0.0183; Required: 2; Open postings: 1; First seen: 2026-09-10 - **ETL/ELT** — Layer: practices; Postings: 2; Share: 0.0183; Required: 2; Open postings: 1; First seen: 2026-09-10 - **GitHub Actions** — Layer: cloud; Postings: 2; Share: 0.0183; Required: 2; Open postings: 2; First seen: 2026-08-13 - **Azure DevOps** — Layer: cloud; Postings: 2; Share: 0.0183; Required: 1; Open postings: 1; First seen: 2026-09-10 - **Incident Management** — Layer: practices; Postings: 2; Share: 0.0183; Required: 1; Open postings: 2; First seen: 2026-10-21 - **Power BI** — Layer: cloud; Postings: 2; Share: 0.0183; Required: 1; Open postings: 1; First seen: 2026-09-11 - **1C** — Layer: languages; Postings: 1; Share: 0.0092; Required: 1; Open postings: 0; First seen: 2026-09-09 - **AI Agents** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **Angular** — Layer: frameworks; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **Canva** — Layer: tools; Postings: 1; Share: 0.0092; Required: 1; Open postings: 0; First seen: 2026-08-14 - **DLP** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-10-27 - **GitHub** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **IAM** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-10-27 - **Kubernetes** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **LLM** — Layer: ai; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **LLM Guardrails** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-10-31 - **Linux** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **MS SQL** — Layer: data; Postings: 1; Share: 0.0092; Required: 1; Open postings: 0; First seen: 2026-09-23 - **Machine Learning** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-11 - **Octopus Deploy** — Layer: tools; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **Platform Engineering** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **React.js** — Layer: frameworks; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **Rest API** — Layer: tools; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **SIEM** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-10-27 - **TeamCity** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-09-10 - **TypeScript** — Layer: languages; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-08-13 - **VPN** — Layer: practices; Postings: 1; Share: 0.0092; Required: 1; Open postings: 1; First seen: 2026-10-27 - **Windows Server** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 1; Open postings: 0; First seen: 2026-09-23 - **ArgoCD** — Layer: tools; Postings: 1; Share: 0.0092; Required: 0; Open postings: 1; First seen: 2026-09-10 - **GCP** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 0; Open postings: 1; First seen: 2026-09-10 - **Helm** — Layer: tools; Postings: 1; Share: 0.0092; Required: 0; Open postings: 1; First seen: 2026-09-10 - **JavaScript** — Layer: languages; Postings: 1; Share: 0.0092; Required: 0; Open postings: 1; First seen: 2026-08-13 - **Tableau** — Layer: cloud; Postings: 1; Share: 0.0092; Required: 0; Open postings: 1; First seen: 2026-09-11 ## Changes ### First appeared - **Active Directory** — First seen: 2026-10-21 - **Incident Management** — First seen: 2026-10-21 ### Rising - **Microsoft Excel** — Share from: 40; Share to: 75 - **PCR** — Share from: 0; Share to: 4 - **Databricks** — Share from: 0; Share to: 4 - **Azure** — Share from: 0; Share to: 4 - **SQL** — Share from: 0; Share to: 3 - **Spark** — Share from: 0; Share to: 3 - **Terraform** — Share from: 0; Share to: 3 ### Falling - **.NET** — Share from: 20; Share to: 7 - **C#** — Share from: 20; Share to: 7 - **CI/CD** — Share from: 10; Share to: 3 - **Python** — Share from: 10; Share to: 3 - **Windows** — Share from: 10; Share to: 3 - **AWS** — Share from: 10; Share to: 6 ## Similar stacks - [Alter Domus](https://alion.io/company/alter-domus/technologies) — Shared technologies: 42 - [Morningstar](https://alion.io/company/morningstar/technologies) — Shared technologies: 42 - [A1 Bulgaria](https://alion.io/company/a1-5/technologies) — Shared technologies: 42 - [AXA](https://alion.io/company/axa/technologies) — Shared technologies: 45 - [Omnissa](https://alion.io/company/omnissa/technologies) — Shared technologies: 42 - [StoneX Group](https://alion.io/company/stonex/technologies) — Shared technologies: 44 - [GIC](https://alion.io/company/gic/technologies) — Shared technologies: 43 - [Reply](https://alion.io/company/reply-polska-sp-z-o-o/technologies) — Shared technologies: 42 --- [Page](https://alion.io/company/wasteconnections/technologies) · [JSON](https://alion.io/company/wasteconnections/technologies.json) Source: Alion (alion.io), 2026-11-14. 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