# Baidu - **Answer**: Baidu builds mostly with Python, C++, Java, SQL. Its stack also includes PyTorch, Linux, Kubernetes, Redis. Python is named in 175 of the 531 job postings Baidu published in the last 12 months (33%). Counted by Alion from the job postings of Baidu, updated Nov 15, 2026. - **Window days**: 365 - **Postings analysed**: 531 - **Open postings**: 405 - **Technologies in use**: 268 - **Modernity score**: 80 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 101 - **Name**: Baidu - **Domain**: baidu.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 175; Share: 0.3296; Required: 173; Open postings: 134; First seen: 2021-06-15 - **C++** — Layer: languages; Postings: 130; Share: 0.2448; Required: 128; Open postings: 100; First seen: 2021-06-15 - **PyTorch** — Layer: frameworks; Postings: 73; Share: 0.1375; Required: 73; Open postings: 60; First seen: 2021-06-15 - **LLM** — Layer: ai; Postings: 68; Share: 0.1281; Required: 68; Open postings: 51; First seen: 2024-03-13 - **Java** — Layer: languages; Postings: 68; Share: 0.1281; Required: 67; Open postings: 49; First seen: 2022-08-30 - **Linux** — Layer: cloud; Postings: 53; Share: 0.0998; Required: 53; Open postings: 45; First seen: 2021-08-14 - **AI Agents** — Layer: practices; Postings: 45; Share: 0.0847; Required: 45; Open postings: 31; First seen: 2026-01-20 - **Kubernetes** — Layer: cloud; Postings: 41; Share: 0.0772; Required: 41; Open postings: 32; First seen: 2023-12-28 - **Redis** — Layer: data; Postings: 40; Share: 0.0753; Required: 40; Open postings: 31; First seen: 2024-06-07 - **RAG** — Layer: practices; Postings: 38; Share: 0.0716; Required: 38; Open postings: 25; First seen: 2025-02-28 - **SQL** — Layer: languages; Postings: 38; Share: 0.0716; Required: 38; Open postings: 29; First seen: 2025-04-09 - **JavaScript** — Layer: languages; Postings: 38; Share: 0.0716; Required: 25; Open postings: 27; First seen: 2023-10-12 - **TensorFlow** — Layer: frameworks; Postings: 32; Share: 0.0603; Required: 32; Open postings: 27; First seen: 2021-06-15 - **SFT** — Layer: practices; Postings: 29; Share: 0.0546; Required: 29; Open postings: 25; First seen: 2024-03-13 - **MySQL** — Layer: data; Postings: 27; Share: 0.0508; Required: 27; Open postings: 19; First seen: 2022-08-30 - **Transformers** — Layer: frameworks; Postings: 25; Share: 0.0471; Required: 25; Open postings: 20; First seen: 2024-03-13 - **Docker** — Layer: tools; Postings: 24; Share: 0.0452; Required: 24; Open postings: 17; First seen: 2024-06-18 - **NLP** — Layer: practices; Postings: 23; Share: 0.0433; Required: 23; Open postings: 18; First seen: 2024-03-14 - **Apache Kafka** — Layer: cloud; Postings: 22; Share: 0.0414; Required: 22; Open postings: 15; First seen: 2023-07-31 - **Claude Code** — Layer: tools; Postings: 21; Share: 0.0395; Required: 21; Open postings: 14; First seen: 2026-03-17 - **DPO** — Layer: practices; Postings: 20; Share: 0.0377; Required: 20; Open postings: 17; First seen: 2025-05-22 - **vLLM** — Layer: cloud; Postings: 20; Share: 0.0377; Required: 20; Open postings: 16; First seen: 2025-09-18 - **TypeScript** — Layer: languages; Postings: 20; Share: 0.0377; Required: 18; Open postings: 15; First seen: 2024-08-08 - **RLHF** — Layer: practices; Postings: 19; Share: 0.0358; Required: 19; Open postings: 15; First seen: 2025-08-12 - **LangChain** — Layer: frameworks; Postings: 19; Share: 0.0358; Required: 14; Open postings: 13; First seen: 2026-03-10 - **Function Calling** — Layer: practices; Postings: 18; Share: 0.0339; Required: 18; Open postings: 12; First seen: 2025-09-22 - **Spark** — Layer: cloud; Postings: 18; Share: 0.0339; Required: 16; Open postings: 14; First seen: 2023-07-31 - **Cursor** — Layer: tools; Postings: 17; Share: 0.032; Required: 17; Open postings: 13; First seen: 2026-03-03 - **React.js** — Layer: frameworks; Postings: 17; Share: 0.032; Required: 14; Open postings: 13; First seen: 2023-10-13 - **Flink** — Layer: frameworks; Postings: 16; Share: 0.0301; Required: 16; Open postings: 11; First seen: 2023-07-31 - **Go** — Layer: languages; Postings: 16; Share: 0.0301; Required: 16; Open postings: 14; First seen: 2024-06-17 - **Claude** — Layer: ai; Postings: 15; Share: 0.0282; Required: 15; Open postings: 10; First seen: 2026-03-17 - **DeepSpeed** — Layer: frameworks; Postings: 15; Share: 0.0282; Required: 15; Open postings: 15; First seen: 2025-08-12 - **Node JS** — Layer: languages; Postings: 15; Share: 0.0282; Required: 14; Open postings: 12; First seen: 2024-02-02 - **SGLang** — Layer: frameworks; Postings: 14; Share: 0.0264; Required: 14; Open postings: 11; First seen: 2025-06-04 - **Megatron-LM** — Layer: frameworks; Postings: 13; Share: 0.0245; Required: 13; Open postings: 12; First seen: 2023-06-25 - **Objective-C** — Layer: languages; Postings: 13; Share: 0.0245; Required: 13; Open postings: 11; First seen: 2023-04-28 - **Model Context Protocol** — Layer: tools; Postings: 12; Share: 0.0226; Required: 12; Open postings: 6; First seen: 2025-10-23 - **CI/CD** — Layer: practices; Postings: 11; Share: 0.0207; Required: 11; Open postings: 11; First seen: 2024-07-17 - **CUDA** — Layer: frameworks; Postings: 11; Share: 0.0207; Required: 11; Open postings: 10; First seen: 2025-08-12 - **Figma** — Layer: cloud; Postings: 11; Share: 0.0207; Required: 11; Open postings: 7; First seen: 2025-05-13 - **Hadoop** — Layer: frameworks; Postings: 11; Share: 0.0207; Required: 11; Open postings: 8; First seen: 2024-04-17 - **KV Cache** — Layer: practices; Postings: 11; Share: 0.0207; Required: 11; Open postings: 9; First seen: 2026-01-22 - **Kotlin** — Layer: languages; Postings: 11; Share: 0.0207; Required: 11; Open postings: 9; First seen: 2024-10-30 - **OpenAI Codex** — Layer: tools; Postings: 11; Share: 0.0207; Required: 11; Open postings: 7; First seen: 2026-03-17 - **AWS** — Layer: cloud; Postings: 11; Share: 0.0207; Required: 10; Open postings: 8; First seen: 2024-03-13 - **Azure** — Layer: cloud; Postings: 10; Share: 0.0188; Required: 10; Open postings: 6; First seen: 2024-03-13 - **Dify** — Layer: cloud; Postings: 10; Share: 0.0188; Required: 10; Open postings: 7; First seen: 2026-03-10 - **PaddlePaddle** — Layer: frameworks; Postings: 10; Share: 0.0188; Required: 10; Open postings: 10; First seen: 2021-06-15 - **Vue.js** — Layer: frameworks; Postings: 10; Share: 0.0188; Required: 9; Open postings: 9; First seen: 2023-11-01 - … 218 more in the JSON form ## Changes ### First appeared - **FAISS** — First seen: 2026-10-22 - **Vitest** — First seen: 2026-09-28 - **ESLint** — First seen: 2026-09-28 - **Prettier** — First seen: 2026-09-28 - **WebSockets** — First seen: 2026-09-10 - **OpenCV** — First seen: 2026-09-09 - **OpenGL** — First seen: 2026-09-09 - **Metal** — First seen: 2026-09-09 ### Rising - **Java** — Share from: 7; Share to: 16 - **SQL** — Share from: 4; Share to: 9 - **TypeScript** — Share from: 2; Share to: 5 - **TensorFlow** — Share from: 4; Share to: 6 - **React.js** — Share from: 1; Share to: 3 ### Falling - **Linux** — Share from: 16; Share to: 8 - **vLLM** — Share from: 9; Share to: 2 - **Redis** — Share from: 11; Share to: 6 - **Claude Code** — Share from: 8; Share to: 3 - **Cursor** — Share from: 7; Share to: 2 - **Apache Kafka** — Share from: 7; Share to: 3 - **Megatron-LM** — Share from: 5; Share to: 1 - **KV Cache** — Share from: 5; Share to: 1 ### Not seen 180d - **TCP/IP** — Last seen: 2026-05-13 - **C#** — Last seen: 2026-04-16 - **MVVM** — Last seen: 2026-03-04 ## Similar stacks - [Xiaohongshu](https://alion.io/company/xiaohongshu/technologies) — Shared technologies: 195 - [ByteDance](https://alion.io/company/bytedance/technologies) — Shared technologies: 260 - [Alibaba Group](https://alion.io/company/alibaba-group/technologies) — Shared technologies: 252 - [XPeng](https://alion.io/company/xiaopeng-com/technologies) — Shared technologies: 174 - [StepFun](https://alion.io/company/stepfun-com/technologies) — Shared technologies: 149 - [Ant Group](https://alion.io/company/ant-group/technologies) — Shared technologies: 191 - [Tencent](https://alion.io/company/tencent/technologies) — Shared technologies: 196 - [Xiaomi](https://alion.io/company/xiaomi/technologies) — Shared technologies: 174 --- [Page](https://alion.io/company/baidu/technologies) · [JSON](https://alion.io/company/baidu/technologies.json) Source: Alion (alion.io), 2026-11-15. 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