# Checkout.com - **Answer**: Checkout.com builds mostly with Python, SQL, JavaScript, C#. Its stack also includes AWS, React.js, Azure, Google BigQuery. Python is named in 56 of the 148 job postings Checkout.com published in the last 12 months (38%). Counted by Alion from the job postings of Checkout.com, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 148 - **Open postings**: 62 - **Technologies in use**: 136 - **Modernity score**: 85 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 51355 - **Name**: Checkout.com - **Domain**: checkout.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 56; Share: 0.3784; Required: 43; Open postings: 25; First seen: 2026-04-28 - **SQL** — Layer: languages; Postings: 46; Share: 0.3108; Required: 35; Open postings: 10; First seen: 2026-04-15 - **JavaScript** — Layer: languages; Postings: 31; Share: 0.2095; Required: 11; Open postings: 19; First seen: 2026-05-26 - **C#** — Layer: languages; Postings: 27; Share: 0.1824; Required: 17; Open postings: 15; First seen: 2026-06-10 - **AWS** — Layer: cloud; Postings: 24; Share: 0.1622; Required: 15; Open postings: 11; First seen: 2026-04-15 - **Rest API** — Layer: tools; Postings: 22; Share: 0.1486; Required: 18; Open postings: 15; First seen: 2026-06-23 - **Java** — Layer: languages; Postings: 20; Share: 0.1351; Required: 18; Open postings: 11; First seen: 2026-06-10 - **React.js** — Layer: frameworks; Postings: 20; Share: 0.1351; Required: 12; Open postings: 13; First seen: 2026-06-23 - **Azure** — Layer: cloud; Postings: 18; Share: 0.1216; Required: 14; Open postings: 6; First seen: 2026-04-15 - **.NET** — Layer: cloud; Postings: 16; Share: 0.1081; Required: 12; Open postings: 8; First seen: 2026-06-10 - **GCP** — Layer: cloud; Postings: 16; Share: 0.1081; Required: 9; Open postings: 6; First seen: 2026-04-15 - **Go** — Layer: languages; Postings: 15; Share: 0.1014; Required: 15; Open postings: 10; First seen: 2026-06-10 - **Looker** — Layer: cloud; Postings: 14; Share: 0.0946; Required: 13; Open postings: 3; First seen: 2026-04-15 - **Machine Learning** — Layer: practices; Postings: 14; Share: 0.0946; Required: 13; Open postings: 4; First seen: 2026-05-12 - **Google BigQuery** — Layer: data; Postings: 12; Share: 0.0811; Required: 10; Open postings: 2; First seen: 2026-06-15 - **Postman** — Layer: cloud; Postings: 12; Share: 0.0811; Required: 10; Open postings: 7; First seen: 2026-07-28 - **CI/CD** — Layer: practices; Postings: 11; Share: 0.0743; Required: 10; Open postings: 4; First seen: 2026-04-15 - **LLM** — Layer: ai; Postings: 10; Share: 0.0676; Required: 9; Open postings: 3; First seen: 2026-06-05 - **Node JS** — Layer: languages; Postings: 10; Share: 0.0676; Required: 7; Open postings: 8; First seen: 2026-06-23 - **Kubernetes** — Layer: cloud; Postings: 10; Share: 0.0676; Required: 6; Open postings: 5; First seen: 2026-07-15 - **TypeScript** — Layer: languages; Postings: 10; Share: 0.0676; Required: 2; Open postings: 4; First seen: 2026-07-21 - **AI Agents** — Layer: practices; Postings: 9; Share: 0.0608; Required: 7; Open postings: 3; First seen: 2026-06-16 - **Datadog** — Layer: cloud; Postings: 9; Share: 0.0608; Required: 7; Open postings: 3; First seen: 2026-06-04 - **Microsoft Excel** — Layer: tools; Postings: 8; Share: 0.0541; Required: 8; Open postings: 4; First seen: 2026-07-13 - **PHP** — Layer: languages; Postings: 7; Share: 0.0473; Required: 6; Open postings: 6; First seen: 2026-06-23 - **Docker** — Layer: tools; Postings: 7; Share: 0.0473; Required: 3; Open postings: 4; First seen: 2026-07-14 - **GitHub** — Layer: cloud; Postings: 7; Share: 0.0473; Required: 3; Open postings: 2; First seen: 2026-06-05 - **Snowflake** — Layer: data; Postings: 6; Share: 0.0405; Required: 6; Open postings: 0; First seen: 2026-04-15 - **dbt** — Layer: tools; Postings: 6; Share: 0.0405; Required: 6; Open postings: 0; First seen: 2026-04-15 - **Claude Code** — Layer: tools; Postings: 6; Share: 0.0405; Required: 5; Open postings: 2; First seen: 2026-06-05 - **Angular** — Layer: frameworks; Postings: 6; Share: 0.0405; Required: 4; Open postings: 3; First seen: 2026-07-28 - **Terraform** — Layer: tools; Postings: 6; Share: 0.0405; Required: 4; Open postings: 4; First seen: 2026-07-15 - **SIEM** — Layer: cloud; Postings: 5; Share: 0.0338; Required: 5; Open postings: 3; First seen: 2026-05-26 - **Cursor** — Layer: tools; Postings: 5; Share: 0.0338; Required: 4; Open postings: 1; First seen: 2026-06-05 - **Okta** — Layer: cloud; Postings: 5; Share: 0.0338; Required: 4; Open postings: 1; First seen: 2026-05-22 - **Tableau** — Layer: cloud; Postings: 5; Share: 0.0338; Required: 4; Open postings: 1; First seen: 2026-06-15 - **Agentic Workflows** — Layer: practices; Postings: 5; Share: 0.0338; Required: 3; Open postings: 1; First seen: 2026-07-08 - **Databricks** — Layer: cloud; Postings: 5; Share: 0.0338; Required: 3; Open postings: 1; First seen: 2026-07-08 - **Windows** — Layer: cloud; Postings: 5; Share: 0.0338; Required: 3; Open postings: 2; First seen: 2026-05-22 - **A/B Testing** — Layer: practices; Postings: 4; Share: 0.027; Required: 4; Open postings: 2; First seen: 2026-05-12 - **Prompt Engineering** — Layer: practices; Postings: 4; Share: 0.027; Required: 4; Open postings: 2; First seen: 2026-08-27 - **Claude** — Layer: ai; Postings: 4; Share: 0.027; Required: 3; Open postings: 1; First seen: 2026-08-18 - **Incident Management** — Layer: practices; Postings: 4; Share: 0.027; Required: 3; Open postings: 1; First seen: 2026-08-14 - **Pandas** — Layer: frameworks; Postings: 4; Share: 0.027; Required: 3; Open postings: 0; First seen: 2026-07-08 - **Git** — Layer: tools; Postings: 4; Share: 0.027; Required: 1; Open postings: 2; First seen: 2026-06-05 - **Prometheus** — Layer: tools; Postings: 4; Share: 0.027; Required: 0; Open postings: 2; First seen: 2026-07-30 - **Computer Vision** — Layer: practices; Postings: 3; Share: 0.0203; Required: 3; Open postings: 2; First seen: 2026-05-12 - **Copilot** — Layer: tools; Postings: 3; Share: 0.0203; Required: 3; Open postings: 1; First seen: 2026-06-05 - **ETL/ELT** — Layer: practices; Postings: 3; Share: 0.0203; Required: 3; Open postings: 0; First seen: 2026-06-15 - **SLI/SLO/SLA** — Layer: practices; Postings: 3; Share: 0.0203; Required: 3; Open postings: 2; First seen: 2026-07-15 - … 86 more in the JSON form ## Changes ### First appeared - **OpenAI Codex** — First seen: 2026-09-28 - **Prompt Engineering** — First seen: 2026-08-27 - **ChatGPT** — First seen: 2026-08-21 - **Claude** — First seen: 2026-08-18 - **Incident Management** — First seen: 2026-08-14 - **Figma** — First seen: 2026-08-13 - **NLP** — First seen: 2026-08-10 - **Wiz** — First seen: 2026-08-05 ### Rising - **JavaScript** — Share from: 15; Share to: 25 - **Go** — Share from: 6; Share to: 13 - **Postman** — Share from: 4; Share to: 10 - **.NET** — Share from: 8; Share to: 13 - **Prompt Engineering** — Share from: 0; Share to: 4 - **Claude** — Share from: 0; Share to: 4 - **Incident Management** — Share from: 0; Share to: 4 - **AI Agents** — Share from: 4; Share to: 7 ### Falling - **Python** — Share from: 52; Share to: 30 - **GCP** — Share from: 21; Share to: 4 - **AWS** — Share from: 23; Share to: 11 - **Azure** — Share from: 19; Share to: 7 - **GitHub** — Share from: 13; Share to: 1 - **Machine Learning** — Share from: 15; Share to: 6 - **LLM** — Share from: 13; Share to: 4 - **Kubernetes** — Share from: 13; Share to: 4 ## Similar stacks - [Twilio](https://alion.io/company/twilio/technologies) — Shared technologies: 105 - [Cornerstone OnDemand](https://alion.io/company/cornerstone-ondemand/technologies) — Shared technologies: 101 - [BlackRock](https://alion.io/company/blackrock/technologies) — Shared technologies: 104 - [LexisNexis](https://alion.io/company/lexisnexis-legal/technologies) — Shared technologies: 105 - [T-Mobile](https://alion.io/company/t-mobile-com/technologies) — Shared technologies: 105 - [Tiger Analytics](https://alion.io/company/tigeranalytics/technologies) — Shared technologies: 110 - [Humana](https://alion.io/company/humana/technologies) — Shared technologies: 118 - [Nielsen](https://alion.io/company/nielsen/technologies) — Shared technologies: 103 --- [Page](https://alion.io/company/checkout-com/technologies) · [JSON](https://alion.io/company/checkout-com/technologies.json) Source: Alion (alion.io), 2026-11-13. 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