# Sieve

- **Answer**: Sieve builds mostly with Python, C++, Go, Rust. Its stack also includes PyTorch, AWS, GCP, Svelte. Python is named in 9 of the 21 job postings Sieve published in the last 12 months (43%). Counted by Alion from the job postings of Sieve, updated Nov 12, 2026.
- **Window days**: 365
- **Postings analysed**: 21
- **Open postings**: 12
- **Technologies in use**: 57
- **Modernity score**: 86
- **Ai adoption**: yes
- **License**: CC BY-SA 4.0

## Company

- **Id**: 720258
- **Name**: Sieve
- **Domain**: sieve.ai
- **Url**: <https://alion.io/company/sieve-2>

## Technologies

- **Multimodal AI** — Layer: practices; Postings: 21; Share: 1; Required: 8; Open postings: 12; First seen: 2025-04-26
- **Python** — Layer: languages; Postings: 9; Share: 0.4286; Required: 9; Open postings: 6; First seen: 2025-04-26
- **Physical AI** — Layer: practices; Postings: 7; Share: 0.3333; Required: 4; Open postings: 4; First seen: 2026-09-16
- **PyTorch** — Layer: frameworks; Postings: 5; Share: 0.2381; Required: 5; Open postings: 3; First seen: 2026-05-14
- **C++** — Layer: languages; Postings: 3; Share: 0.1429; Required: 3; Open postings: 2; First seen: 2026-02-05
- **Machine Learning** — Layer: practices; Postings: 3; Share: 0.1429; Required: 3; Open postings: 1; First seen: 2026-07-13
- **Fine-tuning** — Layer: practices; Postings: 3; Share: 0.1429; Required: 2; Open postings: 1; First seen: 2026-07-13
- **Reinforcement Learning** — Layer: practices; Postings: 3; Share: 0.1429; Required: 2; Open postings: 0; First seen: 2026-07-14
- **Reinforcement Learning** — Layer: practices; Postings: 3; Share: 0.1429; Required: 2; Open postings: 0; First seen: 2026-07-14
- **AWS** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2026-02-05
- **Computer Vision** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2026-10-23
- **GCP** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2026-02-05
- **GitHub** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2025-09-02
- **Go** — Layer: languages; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2025-09-02
- **Linux** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2026-10-23
- **Post-training** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-01
- **Rust** — Layer: languages; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2025-04-26
- **Svelte** — Layer: frameworks; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2026-01-27
- **Human-in-the-Loop** — Layer: practices; Postings: 2; Share: 0.0952; Required: 1; Open postings: 2; First seen: 2026-03-11
- **Kubernetes** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 1; Open postings: 1; First seen: 2026-02-05
- **SQL** — Layer: languages; Postings: 2; Share: 0.0952; Required: 1; Open postings: 1; First seen: 2026-09-16
- **Teleoperation** — Layer: practices; Postings: 2; Share: 0.0952; Required: 1; Open postings: 2; First seen: 2026-10-23
- **JavaScript** — Layer: languages; Postings: 2; Share: 0.0952; Required: 0; Open postings: 1; First seen: 2026-01-27
- **CI/CD** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2025-04-26
- **Claude** — Layer: ai; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-07-13
- **Cloudflare** — Layer: cloud; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-02-05
- **Computer Use** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-07-14
- **Diffusion Models** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-09-14
- **Diffusion Policy** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Docker** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-12
- **Embodied AI** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Git** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-06
- **Imitation Learning** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Isaac Sim** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **JAX** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **KiCad** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Kustomize** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-02-05
- **MuJoCo** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Next.js** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-01-27
- **Prometheus** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-02-05
- **ROS** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **ROS2** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **React Native** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-01-27
- **SFT** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-09-14
- **SLAM** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-26
- **Sim-to-Real** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **SolidWorks** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Synthetic Data** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-10-23
- **Terraform** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 0; First seen: 2026-02-05
- **TypeScript** — Layer: languages; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2025-09-02
- … 7 more in the JSON form

## Changes

### First appeared

- **Computer Vision** — First seen: 2026-10-23
- **Linux** — First seen: 2026-10-23
- **Teleoperation** — First seen: 2026-10-23
- **Physical AI** — First seen: 2026-09-16
- **SQL** — First seen: 2026-09-16
- **Post-training** — First seen: 2026-09-01
- **Reinforcement Learning** — First seen: 2026-07-14
- **Reinforcement Learning** — First seen: 2026-07-14

### Not seen 180d

- **GitHub** — Last seen: 2026-02-05
- **Go** — Last seen: 2026-02-05
- **Svelte** — Last seen: 2026-02-05
- **JavaScript** — Last seen: 2026-02-05

## Similar stacks

- [Flexion Robotics](https://alion.io/company/flexion/technologies) — Shared technologies: 36
- [Animore](https://alion.io/company/animore-2/technologies) — Shared technologies: 35
- [Mentee Robotics](https://alion.io/company/mentee-robotics/technologies) — Shared technologies: 34
- [Sereact](https://alion.io/company/sereact/technologies) — Shared technologies: 34
- [Maxinsights](https://alion.io/company/maxinsights/technologies) — Shared technologies: 36
- [Niantic Spatial](https://alion.io/company/niantic-spatial/technologies) — Shared technologies: 37
- [Mecka](https://alion.io/company/mecka/technologies) — Shared technologies: 45
- [Toyota Research Institute](https://alion.io/company/toyota-research-institute/technologies) — Shared technologies: 35

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Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.