# Constructor Labs - **Answer**: Constructor Labs builds mostly with Python, C++, JavaScript, C#. Its stack also includes MariaDB, PyTorch, ElevenLabs, Linux. Python is named in 9 of the 21 job postings Constructor Labs published in the last 12 months (43%). Counted by Alion from the job postings of Constructor Labs, updated Nov 14, 2026. - **Window days**: 365 - **Postings analysed**: 21 - **Open postings**: 18 - **Technologies in use**: 63 - **Modernity score**: 80 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 720007 - **Name**: Constructor Labs - **Domain**: constructorlabs.org - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 9; Share: 0.4286; Required: 9; Open postings: 8; First seen: 2025-12-09 - **Machine Learning** — Layer: practices; Postings: 8; Share: 0.381; Required: 8; Open postings: 7; First seen: 2025-12-09 - **Digital Twin** — Layer: practices; Postings: 5; Share: 0.2381; Required: 5; Open postings: 4; First seen: 2026-09-15 - **MariaDB** — Layer: data; Postings: 4; Share: 0.1905; Required: 0; Open postings: 4; First seen: 2026-09-28 - **PyTorch** — Layer: frameworks; Postings: 3; Share: 0.1429; Required: 3; Open postings: 2; First seen: 2025-12-09 - **C++** — Layer: languages; Postings: 3; Share: 0.1429; Required: 2; Open postings: 3; First seen: 2026-09-15 - **JavaScript** — Layer: languages; Postings: 3; Share: 0.1429; Required: 0; Open postings: 1; First seen: 2026-09-08 - **Adobe After Effects** — Layer: tools; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-08 - **Adobe Illustrator** — Layer: tools; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-08 - **Adobe Photoshop** — Layer: tools; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-08 - **ChatGPT** — Layer: ai; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-08 - **DGL** — Layer: frameworks; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2026-09-15 - **ElevenLabs** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 0; First seen: 2026-09-08 - **Human-in-the-Loop** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2025-12-09 - **Incident Management** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2026-08-18 - **Knowledge Graph** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2025-12-09 - **LLM** — Layer: ai; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2025-06-03 - **LLM Evaluation** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2026-09-15 - **Linux** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2026-09-15 - **NLP** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2025-12-09 - **RLHF** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 2; First seen: 2025-12-09 - **World Models** — Layer: practices; Postings: 2; Share: 0.0952; Required: 2; Open postings: 1; First seen: 2025-06-03 - **JAX** — Layer: frameworks; Postings: 2; Share: 0.0952; Required: 1; Open postings: 2; First seen: 2026-09-15 - **Kubernetes** — Layer: cloud; Postings: 2; Share: 0.0952; Required: 1; Open postings: 2; First seen: 2026-09-15 - **.NET** — Layer: cloud; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **AWS** — Layer: cloud; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Angular** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Ansible** — Layer: tools; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Asyncio** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **C#** — Layer: languages; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **CI/CD** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Configuration Management** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Dask** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **Edge AI** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-07-17 - **Explainable AI** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2025-12-09 - **GNN** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **GitOps** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Interpretability** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2025-12-09 - **Julia** — Layer: languages; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **MLFlow** — Layer: cloud; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **Model Predictive Control** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-10 - **Motion Planning** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-10 - **Multimodal AI** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-07-17 - **Obstacle Avoidance** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-10 - **Path Planning** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-10 - **Platform Engineering** — Layer: practices; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - **Pytest** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **ROS** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-11-10 - **Ray** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-15 - **React.js** — Layer: frameworks; Postings: 1; Share: 0.0476; Required: 1; Open postings: 1; First seen: 2026-09-21 - … 13 more in the JSON form ## Changes ### First appeared - **MariaDB** — First seen: 2026-09-28 - **Digital Twin** — First seen: 2026-09-15 - **C++** — First seen: 2026-09-15 - **DGL** — First seen: 2026-09-15 - **LLM Evaluation** — First seen: 2026-09-15 - **Linux** — First seen: 2026-09-15 - **JAX** — First seen: 2026-09-15 - **Kubernetes** — First seen: 2026-09-15 ### Not seen 180d - **Knowledge Graph** — Last seen: 2025-12-22 - **Human-in-the-Loop** — Last seen: 2025-12-09 - **NLP** — Last seen: 2025-12-09 - **RLHF** — Last seen: 2025-12-09 ## Similar stacks - [Reddit](https://alion.io/company/reddit/technologies) — Shared technologies: 43 - [Atoms](https://alion.io/company/atoms/technologies) — Shared technologies: 41 - [Lawrence Livermore National Laboratory](https://alion.io/company/llnl/technologies) — Shared technologies: 44 - [Nanyang Technological University](https://alion.io/company/nanyang-technological-university/technologies) — Shared technologies: 49 - [Tiger Analytics](https://alion.io/company/tigeranalytics/technologies) — Shared technologies: 47 - [Roku](https://alion.io/company/roku/technologies) — Shared technologies: 43 - [Roblox Corporation](https://alion.io/company/roblox/technologies) — Shared technologies: 43 - [University of Maryland](https://alion.io/company/umd/technologies) — Shared technologies: 42 --- [Page](https://alion.io/company/constructorlabs/technologies) · [JSON](https://alion.io/company/constructorlabs/technologies.json) Source: Alion (alion.io), 2026-11-14. 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