# Trajectory

- **Answer**: Trajectory builds mostly with C++, Python, TypeScript, JavaScript. Its stack also includes OpenAI, Hugging Face, JAX, PyTorch. OpenAI is named in 8 of the 8 job postings Trajectory published in the last 12 months (100%). Counted by Alion from the job postings of Trajectory, updated Nov 13, 2026.
- **Window days**: 365
- **Postings analysed**: 8
- **Open postings**: 8
- **Technologies in use**: 21
- **Modernity score**: 72
- **Ai adoption**: no
- **License**: CC BY-SA 4.0

## Company

- **Id**: 688932
- **Name**: Trajectory
- **Domain**: trajectory.ai
- **Url**: <https://alion.io/company/trajectory>

## Technologies

- **AI Agents** — Layer: practices; Postings: 8; Share: 1; Required: 7; Open postings: 8; First seen: 2026-05-07
- **Claude Code** — Layer: tools; Postings: 8; Share: 1; Required: 7; Open postings: 8; First seen: 2026-05-07
- **OpenAI** — Layer: cloud; Postings: 8; Share: 1; Required: 7; Open postings: 8; First seen: 2026-05-07
- **Windsurf** — Layer: tools; Postings: 7; Share: 0.875; Required: 7; Open postings: 7; First seen: 2026-05-07
- **Braintrust** — Layer: tools; Postings: 6; Share: 0.75; Required: 6; Open postings: 6; First seen: 2026-05-07
- **Hugging Face** — Layer: cloud; Postings: 6; Share: 0.75; Required: 6; Open postings: 6; First seen: 2026-05-07
- **JAX** — Layer: frameworks; Postings: 3; Share: 0.375; Required: 3; Open postings: 3; First seen: 2026-05-26
- **PyTorch** — Layer: frameworks; Postings: 3; Share: 0.375; Required: 3; Open postings: 3; First seen: 2026-05-26
- **Figma** — Layer: cloud; Postings: 2; Share: 0.25; Required: 2; Open postings: 2; First seen: 2026-09-18
- **Post-training** — Layer: practices; Postings: 2; Share: 0.25; Required: 2; Open postings: 2; First seen: 2026-05-26
- **C++** — Layer: languages; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **CUDA** — Layer: frameworks; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **GitHub** — Layer: cloud; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-09-29
- **KV Cache** — Layer: practices; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **Python** — Layer: languages; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **React.js** — Layer: frameworks; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-05-26
- **SGLang** — Layer: frameworks; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **Triton** — Layer: frameworks; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **TypeScript** — Layer: languages; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-05-26
- **vLLM** — Layer: cloud; Postings: 1; Share: 0.125; Required: 1; Open postings: 1; First seen: 2026-10-06
- **JavaScript** — Layer: languages; Postings: 1; Share: 0.125; Required: 0; Open postings: 1; First seen: 2026-05-26

## Changes

### First appeared

- **Figma** — First seen: 2026-09-18

## Similar stacks

- [Arago](https://alion.io/company/arago-2/technologies) — Shared technologies: 16
- [Elorian](https://alion.io/company/elorian/technologies) — Shared technologies: 17
- [River AI](https://alion.io/company/river-ai/technologies) — Shared technologies: 16
- [Zyphra](https://alion.io/company/zyphra/technologies) — Shared technologies: 16
- [Luma AI](https://alion.io/company/luma-ai/technologies) — Shared technologies: 19
- [Normal Computing](https://alion.io/company/normalcomputing/technologies) — Shared technologies: 18
- [Boson AI](https://alion.io/company/boson/technologies) — Shared technologies: 17
- [RadixArk](https://alion.io/company/radixark/technologies) — Shared technologies: 16

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