# Perplexity AI - **Answer**: Perplexity AI builds mostly with Python, Rust, Go, TypeScript. Its stack also includes AWS, Kubernetes, Snowflake, PostgreSQL. Python is named in 64 of the 177 job postings Perplexity AI published in the last 12 months (36%). Counted by Alion from the job postings of Perplexity AI, updated Nov 13, 2026. - **Window days**: 365 - **Postings analysed**: 177 - **Open postings**: 123 - **Technologies in use**: 161 - **Modernity score**: 79 - **Ai adoption**: yes - **Own products**: Perplexity - **License**: CC BY-SA 4.0 ## Company - **Id**: 3 - **Name**: Perplexity AI - **Domain**: perplexity.ai - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 64; Share: 0.3616; Required: 57; Open postings: 39; First seen: 2025-03-31 - **AI Agents** — Layer: practices; Postings: 58; Share: 0.3277; Required: 58; Open postings: 34; First seen: 2025-08-15 - **Rust** — Layer: languages; Postings: 41; Share: 0.2316; Required: 27; Open postings: 26; First seen: 2025-03-07 - **LLM** — Layer: ai; Postings: 33; Share: 0.1864; Required: 23; Open postings: 24; First seen: 2025-08-15 - **Go** — Layer: languages; Postings: 32; Share: 0.1808; Required: 21; Open postings: 17; First seen: 2025-03-07 - **AWS** — Layer: cloud; Postings: 29; Share: 0.1638; Required: 19; Open postings: 20; First seen: 2025-03-07 - **TypeScript** — Layer: languages; Postings: 26; Share: 0.1469; Required: 9; Open postings: 16; First seen: 2025-08-15 - **SQL** — Layer: languages; Postings: 25; Share: 0.1412; Required: 20; Open postings: 13; First seen: 2026-01-22 - **Kubernetes** — Layer: cloud; Postings: 22; Share: 0.1243; Required: 19; Open postings: 16; First seen: 2025-03-07 - **Multimodal AI** — Layer: practices; Postings: 14; Share: 0.0791; Required: 14; Open postings: 6; First seen: 2026-04-13 - **Function Calling** — Layer: practices; Postings: 13; Share: 0.0734; Required: 6; Open postings: 9; First seen: 2026-04-02 - **Reinforcement Learning** — Layer: practices; Postings: 13; Share: 0.0734; Required: 4; Open postings: 6; First seen: 2026-04-13 - **JavaScript** — Layer: languages; Postings: 13; Share: 0.0734; Required: 3; Open postings: 9; First seen: 2025-08-15 - **C++** — Layer: languages; Postings: 12; Share: 0.0678; Required: 11; Open postings: 9; First seen: 2025-03-07 - **Machine Learning** — Layer: practices; Postings: 12; Share: 0.0678; Required: 11; Open postings: 8; First seen: 2025-03-25 - **A/B Testing** — Layer: practices; Postings: 12; Share: 0.0678; Required: 10; Open postings: 9; First seen: 2025-09-19 - **Snowflake** — Layer: data; Postings: 12; Share: 0.0678; Required: 10; Open postings: 6; First seen: 2026-02-20 - **Model Context Protocol** — Layer: tools; Postings: 11; Share: 0.0621; Required: 6; Open postings: 7; First seen: 2026-04-02 - **PostgreSQL** — Layer: data; Postings: 11; Share: 0.0621; Required: 4; Open postings: 8; First seen: 2026-04-23 - **Post-training** — Layer: practices; Postings: 10; Share: 0.0565; Required: 3; Open postings: 4; First seen: 2025-09-19 - **PyTorch** — Layer: frameworks; Postings: 9; Share: 0.0508; Required: 7; Open postings: 7; First seen: 2026-01-13 - **Context Engineering** — Layer: practices; Postings: 9; Share: 0.0508; Required: 2; Open postings: 2; First seen: 2025-09-19 - **Figma** — Layer: cloud; Postings: 8; Share: 0.0452; Required: 8; Open postings: 6; First seen: 2026-06-03 - **Recommender Systems** — Layer: practices; Postings: 8; Share: 0.0452; Required: 7; Open postings: 6; First seen: 2025-03-25 - **React.js** — Layer: frameworks; Postings: 8; Share: 0.0452; Required: 5; Open postings: 7; First seen: 2026-04-23 - **Databricks** — Layer: cloud; Postings: 8; Share: 0.0452; Required: 4; Open postings: 4; First seen: 2026-02-13 - **Playwright** — Layer: frameworks; Postings: 8; Share: 0.0452; Required: 0; Open postings: 2; First seen: 2026-07-17 - **dbt** — Layer: tools; Postings: 7; Share: 0.0395; Required: 7; Open postings: 5; First seen: 2026-02-20 - **Platform Engineering** — Layer: practices; Postings: 7; Share: 0.0395; Required: 5; Open postings: 4; First seen: 2025-08-15 - **Terraform** — Layer: tools; Postings: 7; Share: 0.0395; Required: 5; Open postings: 5; First seen: 2026-04-13 - **CUDA** — Layer: frameworks; Postings: 7; Share: 0.0395; Required: 4; Open postings: 5; First seen: 2026-04-13 - **CI/CD** — Layer: practices; Postings: 6; Share: 0.0339; Required: 6; Open postings: 5; First seen: 2025-03-07 - **RAG** — Layer: practices; Postings: 6; Share: 0.0339; Required: 5; Open postings: 5; First seen: 2025-03-25 - **DynamoDB** — Layer: data; Postings: 6; Share: 0.0339; Required: 3; Open postings: 3; First seen: 2026-06-03 - **TensorFlow** — Layer: frameworks; Postings: 6; Share: 0.0339; Required: 2; Open postings: 5; First seen: 2026-01-13 - **Kotlin** — Layer: languages; Postings: 5; Share: 0.0282; Required: 3; Open postings: 4; First seen: 2026-04-22 - **Next.js** — Layer: frameworks; Postings: 5; Share: 0.0282; Required: 1; Open postings: 5; First seen: 2026-04-23 - **GCP** — Layer: cloud; Postings: 4; Share: 0.0226; Required: 4; Open postings: 3; First seen: 2026-04-02 - **HPC** — Layer: practices; Postings: 4; Share: 0.0226; Required: 4; Open postings: 2; First seen: 2026-04-13 - **SLURM** — Layer: tools; Postings: 4; Share: 0.0226; Required: 4; Open postings: 2; First seen: 2026-04-13 - **Looker** — Layer: cloud; Postings: 4; Share: 0.0226; Required: 3; Open postings: 2; First seen: 2026-02-20 - **InfiniBand** — Layer: tools; Postings: 4; Share: 0.0226; Required: 2; Open postings: 3; First seen: 2026-04-13 - **JAX** — Layer: frameworks; Postings: 4; Share: 0.0226; Required: 2; Open postings: 4; First seen: 2026-01-13 - **Spark** — Layer: cloud; Postings: 4; Share: 0.0226; Required: 1; Open postings: 2; First seen: 2026-02-13 - **API Gateway** — Layer: cloud; Postings: 3; Share: 0.0169; Required: 3; Open postings: 3; First seen: 2026-04-13 - **Amazon EKS** — Layer: cloud; Postings: 3; Share: 0.0169; Required: 3; Open postings: 2; First seen: 2026-06-03 - **CoreWeave** — Layer: cloud; Postings: 3; Share: 0.0169; Required: 3; Open postings: 2; First seen: 2026-07-16 - **Grafana** — Layer: cloud; Postings: 3; Share: 0.0169; Required: 3; Open postings: 2; First seen: 2026-07-16 - **Human-in-the-Loop** — Layer: practices; Postings: 3; Share: 0.0169; Required: 3; Open postings: 2; First seen: 2026-08-03 - **IAM** — Layer: practices; Postings: 3; Share: 0.0169; Required: 3; Open postings: 3; First seen: 2026-04-02 - … 111 more in the JSON form ## Changes ### First appeared - **Redis** — First seen: 2026-09-18 - **EU AI Act** — First seen: 2026-09-14 - **Adobe After Effects** — First seen: 2026-09-02 - **Contrastive Learning** — First seen: 2026-09-02 - **DeepSpeed** — First seen: 2026-09-02 - **FSDP** — First seen: 2026-09-02 - **Human-in-the-Loop** — First seen: 2026-08-03 - **Swift** — First seen: 2026-07-31 ### Rising - **Reinforcement Learning** — Share from: 5; Share to: 10 - **Redis** — Share from: 0; Share to: 3 ### Falling - **TypeScript** — Share from: 22; Share to: 10 - **Rust** — Share from: 30; Share to: 19 - **Go** — Share from: 27; Share to: 16 - **AWS** — Share from: 21; Share to: 12 - **LLM** — Share from: 19; Share to: 11 - **JavaScript** — Share from: 11; Share to: 4 - **A/B Testing** — Share from: 8; Share to: 1 - **Model Context Protocol** — Share from: 10; Share to: 4 ### Not seen 180d - **TensorFlow** — Last seen: 2026-04-13 - **JAX** — Last seen: 2026-04-13 - **Configuration Management** — Last seen: 2026-04-13 - **Ansible** — Last seen: 2026-04-13 - **TensorFlow C++** — Last seen: 2026-04-13 - **CUTLASS** — Last seen: 2026-04-13 - **KV Cache** — Last seen: 2026-04-13 - **NCCL** — Last seen: 2026-04-13 ## Similar stacks - [Cohere](https://alion.io/company/cohere/technologies) — Shared technologies: 100 - [Together AI](https://alion.io/company/together/technologies) — Shared technologies: 100 - [Reddit](https://alion.io/company/reddit/technologies) — Shared technologies: 102 - [Roblox Corporation](https://alion.io/company/roblox/technologies) — Shared technologies: 113 - [Fireworks AI](https://alion.io/company/fireworks/technologies) — Shared technologies: 98 - [Cerebras Systems](https://alion.io/company/cerebras-systems/technologies) — Shared technologies: 105 - [eBay](https://alion.io/company/ebay/technologies) — Shared technologies: 116 - [Sarvam AI](https://alion.io/company/sarvam-ai/technologies) — Shared technologies: 108 --- [Page](https://alion.io/company/perplexity/technologies) · [JSON](https://alion.io/company/perplexity/technologies.json) Source: Alion (alion.io), 2026-11-13. 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