# CrowdGen by Appen

- **Answer**: CrowdGen by Appen builds mostly with SQL. Its stack also includes Windows, Looker. Windows is named in 6 of the 23 job postings CrowdGen by Appen published in the last 12 months (26%). Counted by Alion from the job postings of CrowdGen by Appen, updated Nov 15, 2026.
- **Window days**: 365
- **Postings analysed**: 23
- **Open postings**: 18
- **Technologies in use**: 23
- **Modernity score**: 73
- **Ai adoption**: yes
- **License**: CC BY-SA 4.0

## Company

- **Id**: 3442
- **Name**: CrowdGen by Appen
- **Domain**: appen.com
- **Url**: <https://alion.io/company/crowdgen-by-appen>

## Technologies

- **Speech Recognition** — Layer: practices; Postings: 16; Share: 0.6957; Required: 6; Open postings: 13; First seen: 2026-08-18
- **Computer Vision** — Layer: practices; Postings: 13; Share: 0.5652; Required: 2; Open postings: 13; First seen: 2026-10-31
- **Pre-training** — Layer: practices; Postings: 13; Share: 0.5652; Required: 2; Open postings: 13; First seen: 2026-10-31
- **Red Teaming** — Layer: practices; Postings: 13; Share: 0.5652; Required: 2; Open postings: 13; First seen: 2026-10-31
- **SFT** — Layer: practices; Postings: 13; Share: 0.5652; Required: 2; Open postings: 13; First seen: 2026-10-31
- **Windows** — Layer: cloud; Postings: 6; Share: 0.2609; Required: 6; Open postings: 4; First seen: 2026-08-26
- **A/B Testing** — Layer: practices; Postings: 3; Share: 0.1304; Required: 3; Open postings: 3; First seen: 2026-10-30
- **SQL** — Layer: languages; Postings: 3; Share: 0.1304; Required: 3; Open postings: 3; First seen: 2026-10-30
- **Looker** — Layer: cloud; Postings: 3; Share: 0.1304; Required: 1; Open postings: 3; First seen: 2026-10-30
- **Machine Learning** — Layer: practices; Postings: 3; Share: 0.1304; Required: 1; Open postings: 3; First seen: 2026-10-30
- **Tableau** — Layer: cloud; Postings: 3; Share: 0.1304; Required: 1; Open postings: 3; First seen: 2026-10-30
- **RLHF** — Layer: practices; Postings: 2; Share: 0.087; Required: 1; Open postings: 2; First seen: 2026-10-31
- **AWS** — Layer: cloud; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-11-11
- **Anthropic** — Layer: cloud; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-11-11
- **Claude** — Layer: ai; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-11-11
- **Databricks** — Layer: cloud; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-11-11
- **Embodied AI** — Layer: practices; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-10-31
- **Multimodal AI** — Layer: practices; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-10-31
- **Post-training** — Layer: practices; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-10-31
- **Voice Agents** — Layer: practices; Postings: 1; Share: 0.0435; Required: 1; Open postings: 1; First seen: 2026-11-09
- **Human-in-the-Loop** — Layer: practices; Postings: 1; Share: 0.0435; Required: 0; Open postings: 1; First seen: 2026-11-06
- **Reinforcement Learning** — Layer: practices; Postings: 1; Share: 0.0435; Required: 0; Open postings: 1; First seen: 2026-10-31
- **Text-to-Speech** — Layer: practices; Postings: 1; Share: 0.0435; Required: 0; Open postings: 1; First seen: 2026-11-09

## Similar stacks

- [Appen](https://alion.io/company/appen-io/technologies) — Shared technologies: 15
- [GoTo Group](https://alion.io/company/goto-group/technologies) — Shared technologies: 12
- [Atria Health and Research Institute](https://alion.io/company/atria-3/technologies) — Shared technologies: 12
- [Prolific](https://alion.io/company/prolific/technologies) — Shared technologies: 12
- [Spotify](https://alion.io/company/spotify/technologies) — Shared technologies: 13
- [Innodata](https://alion.io/company/innodata/technologies) — Shared technologies: 13
- [Liquid AI](https://alion.io/company/liquid-ai/technologies) — Shared technologies: 10
- [Cantina](https://alion.io/company/cantina/technologies) — Shared technologies: 12

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Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.