# HackerRank - **Answer**: HackerRank builds mostly with Python, JavaScript, Ruby, SQL. Its stack also includes AWS, Kubernetes, Amazon Redshift, Redis. Python is named in 21 of the 41 job postings HackerRank published in the last 12 months (51%). Counted by Alion from the job postings of HackerRank, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 41 - **Open postings**: 19 - **Technologies in use**: 105 - **Modernity score**: 84 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 2193 - **Name**: HackerRank - **Domain**: hackerrank.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 21; Share: 0.5122; Required: 21; Open postings: 8; First seen: 2025-07-09 - **AI Agents** — Layer: practices; Postings: 17; Share: 0.4146; Required: 17; Open postings: 10; First seen: 2026-03-20 - **AWS** — Layer: cloud; Postings: 12; Share: 0.2927; Required: 12; Open postings: 4; First seen: 2026-03-05 - **Kubernetes** — Layer: cloud; Postings: 11; Share: 0.2683; Required: 11; Open postings: 5; First seen: 2026-03-05 - **JavaScript** — Layer: languages; Postings: 11; Share: 0.2683; Required: 7; Open postings: 5; First seen: 2026-03-20 - **Docker** — Layer: tools; Postings: 10; Share: 0.2439; Required: 10; Open postings: 4; First seen: 2026-03-05 - **LLM** — Layer: ai; Postings: 9; Share: 0.2195; Required: 9; Open postings: 5; First seen: 2026-05-08 - **CI/CD** — Layer: practices; Postings: 8; Share: 0.1951; Required: 8; Open postings: 4; First seen: 2026-03-20 - **Jenkins** — Layer: tools; Postings: 7; Share: 0.1707; Required: 7; Open postings: 3; First seen: 2026-04-18 - **Ruby** — Layer: languages; Postings: 7; Share: 0.1707; Required: 7; Open postings: 4; First seen: 2025-12-18 - **Apache Kafka** — Layer: cloud; Postings: 6; Share: 0.1463; Required: 6; Open postings: 2; First seen: 2026-03-05 - **Cursor** — Layer: tools; Postings: 6; Share: 0.1463; Required: 6; Open postings: 3; First seen: 2025-07-09 - **Fine-tuning** — Layer: practices; Postings: 6; Share: 0.1463; Required: 6; Open postings: 4; First seen: 2026-03-20 - **Rest API** — Layer: tools; Postings: 6; Share: 0.1463; Required: 6; Open postings: 3; First seen: 2025-07-09 - **SQL** — Layer: languages; Postings: 6; Share: 0.1463; Required: 6; Open postings: 2; First seen: 2025-07-09 - **Java** — Layer: languages; Postings: 6; Share: 0.1463; Required: 5; Open postings: 2; First seen: 2026-03-20 - **Amazon Redshift** — Layer: data; Postings: 5; Share: 0.122; Required: 5; Open postings: 2; First seen: 2026-04-18 - **Copilot** — Layer: tools; Postings: 5; Share: 0.122; Required: 5; Open postings: 3; First seen: 2025-07-09 - **GCP** — Layer: cloud; Postings: 5; Share: 0.122; Required: 5; Open postings: 3; First seen: 2026-03-20 - **RAG** — Layer: practices; Postings: 5; Share: 0.122; Required: 5; Open postings: 2; First seen: 2026-03-20 - **Spark** — Layer: cloud; Postings: 5; Share: 0.122; Required: 5; Open postings: 1; First seen: 2026-03-05 - **TypeScript** — Layer: languages; Postings: 5; Share: 0.122; Required: 4; Open postings: 2; First seen: 2026-06-17 - **Claude Code** — Layer: tools; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-03-20 - **Cucumber** — Layer: frameworks; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-08-20 - **Framer** — Layer: cloud; Postings: 4; Share: 0.0976; Required: 4; Open postings: 0; First seen: 2026-07-29 - **Git** — Layer: tools; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-08-20 - **GitHub** — Layer: cloud; Postings: 4; Share: 0.0976; Required: 4; Open postings: 1; First seen: 2026-06-17 - **GitHub Actions** — Layer: cloud; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-08-20 - **Go** — Layer: languages; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-03-20 - **JAX** — Layer: frameworks; Postings: 4; Share: 0.0976; Required: 4; Open postings: 3; First seen: 2026-05-08 - **Knowledge Distillation** — Layer: practices; Postings: 4; Share: 0.0976; Required: 4; Open postings: 3; First seen: 2026-05-08 - **Machine Learning** — Layer: practices; Postings: 4; Share: 0.0976; Required: 4; Open postings: 4; First seen: 2026-06-03 - **Model Distillation** — Layer: practices; Postings: 4; Share: 0.0976; Required: 4; Open postings: 3; First seen: 2026-05-08 - **Node JS** — Layer: languages; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-03-20 - **Playwright** — Layer: frameworks; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-08-20 - **Postman** — Layer: cloud; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-08-20 - **PyTorch** — Layer: frameworks; Postings: 4; Share: 0.0976; Required: 4; Open postings: 3; First seen: 2026-05-08 - **RLHF** — Layer: practices; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-01-12 - **Redis** — Layer: data; Postings: 4; Share: 0.0976; Required: 4; Open postings: 2; First seen: 2026-03-20 - **Transformers** — Layer: frameworks; Postings: 4; Share: 0.0976; Required: 4; Open postings: 3; First seen: 2026-05-08 - **Agentic Workflows** — Layer: practices; Postings: 3; Share: 0.0732; Required: 3; Open postings: 3; First seen: 2026-06-03 - **Anomaly Detection** — Layer: practices; Postings: 3; Share: 0.0732; Required: 3; Open postings: 2; First seen: 2026-05-08 - **Apache Hudi** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-06-08 - **Apache Iceberg** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-06-08 - **ClickHouse** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-06-08 - **Delta Lake** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-06-08 - **Druid** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-06-08 - **ElasticSearch** — Layer: data; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-04-18 - **Grafana** — Layer: cloud; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-04-18 - **Linux** — Layer: cloud; Postings: 3; Share: 0.0732; Required: 3; Open postings: 1; First seen: 2026-04-18 - … 55 more in the JSON form ## Changes ### First appeared - **LoRA** — First seen: 2026-10-14 - **PEFT** — First seen: 2026-10-14 - **QLoRA** — First seen: 2026-10-14 - **Quantization** — First seen: 2026-10-14 - **DLP** — First seen: 2026-08-25 - **Okta** — First seen: 2026-08-25 - **VPN** — First seen: 2026-08-25 - **Cucumber** — First seen: 2026-08-20 ### Rising - **Rest API** — Share from: 0; Share to: 25 - **JavaScript** — Share from: 10; Share to: 33 - **CI/CD** — Share from: 0; Share to: 21 - **Cucumber** — Share from: 0; Share to: 17 - **Git** — Share from: 0; Share to: 17 - **GitHub Actions** — Share from: 0; Share to: 17 - **Playwright** — Share from: 0; Share to: 17 - **Postman** — Share from: 0; Share to: 17 ### Falling - **AWS** — Share from: 50; Share to: 13 - **RAG** — Share from: 30; Share to: 0 - **Apache Hudi** — Share from: 30; Share to: 0 - **Apache Iceberg** — Share from: 30; Share to: 0 - **ClickHouse** — Share from: 30; Share to: 0 - **Delta Lake** — Share from: 30; Share to: 0 - **Druid** — Share from: 30; Share to: 0 - **Presto** — Share from: 30; Share to: 0 ### Not seen 180d - **Azure** — Last seen: 2026-03-26 - **Function Calling** — Last seen: 2026-03-26 - **Memcached** — Last seen: 2026-03-26 - **MySQL** — Last seen: 2026-03-26 - **PostgreSQL** — Last seen: 2026-03-26 - **Prompt Engineering** — Last seen: 2026-03-26 - **RabbitMQ** — Last seen: 2026-03-26 ## Similar stacks - [HyrMe](https://alion.io/company/hyrme/technologies) — Shared technologies: 77 - [Arintra](https://alion.io/company/arintra/technologies) — Shared technologies: 76 - [Cornerstone OnDemand](https://alion.io/company/cornerstone-ondemand/technologies) — Shared technologies: 80 - [PointClickCare](https://alion.io/company/point-click-care/technologies) — Shared technologies: 75 - [Airbnb](https://alion.io/company/airbnb/technologies) — Shared technologies: 77 - [Coupa Software](https://alion.io/company/coupa/technologies) — Shared technologies: 76 - [Proofpoint](https://alion.io/company/proofpoint/technologies) — Shared technologies: 79 - [Check Point Software Technologies](https://alion.io/company/check-point-software-technologies/technologies) — Shared technologies: 78 --- [Page](https://alion.io/company/hackerrank/technologies) · [JSON](https://alion.io/company/hackerrank/technologies.json) Source: Alion (alion.io), 2026-11-13. 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