# Constructor - **Answer**: Constructor builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes AWS, GitHub Actions, ClickHouse, PostgreSQL. Python is named in 34 of the 75 job postings Constructor published in the last 12 months (45%). Counted by Alion from the job postings of Constructor, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 75 - **Open postings**: 32 - **Technologies in use**: 95 - **Modernity score**: 81 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 716274 - **Name**: Constructor - **Domain**: constructor.com - **Url**: ## Technologies - **A/B Testing** — Layer: practices; Postings: 45; Share: 0.6; Required: 19; Open postings: 23; First seen: 2026-05-25 - **Python** — Layer: languages; Postings: 34; Share: 0.4533; Required: 30; Open postings: 14; First seen: 2026-05-25 - **AWS** — Layer: cloud; Postings: 19; Share: 0.2533; Required: 16; Open postings: 7; First seen: 2026-05-25 - **Machine Learning** — Layer: practices; Postings: 18; Share: 0.24; Required: 11; Open postings: 8; First seen: 2026-05-25 - **SQL** — Layer: languages; Postings: 16; Share: 0.2133; Required: 16; Open postings: 7; First seen: 2026-05-25 - **JavaScript** — Layer: languages; Postings: 14; Share: 0.1867; Required: 11; Open postings: 5; First seen: 2026-05-25 - **CI/CD** — Layer: practices; Postings: 11; Share: 0.1467; Required: 9; Open postings: 3; First seen: 2026-05-26 - **GitHub Actions** — Layer: cloud; Postings: 9; Share: 0.12; Required: 8; Open postings: 3; First seen: 2026-05-26 - **TypeScript** — Layer: languages; Postings: 9; Share: 0.12; Required: 6; Open postings: 3; First seen: 2026-05-25 - **Terraform** — Layer: tools; Postings: 8; Share: 0.1067; Required: 7; Open postings: 3; First seen: 2026-05-26 - **Azure** — Layer: cloud; Postings: 7; Share: 0.0933; Required: 6; Open postings: 2; First seen: 2026-05-25 - **GCP** — Layer: cloud; Postings: 7; Share: 0.0933; Required: 6; Open postings: 2; First seen: 2026-05-25 - **Grafana** — Layer: cloud; Postings: 7; Share: 0.0933; Required: 6; Open postings: 3; First seen: 2026-05-26 - **Jenkins** — Layer: tools; Postings: 7; Share: 0.0933; Required: 6; Open postings: 3; First seen: 2026-05-26 - **Spark** — Layer: cloud; Postings: 7; Share: 0.0933; Required: 5; Open postings: 3; First seen: 2026-05-25 - **GitHub** — Layer: cloud; Postings: 6; Share: 0.08; Required: 6; Open postings: 0; First seen: 2026-05-28 - **NumPy** — Layer: frameworks; Postings: 6; Share: 0.08; Required: 6; Open postings: 3; First seen: 2026-05-25 - **AI Agents** — Layer: practices; Postings: 6; Share: 0.08; Required: 5; Open postings: 3; First seen: 2026-06-01 - **ClickHouse** — Layer: data; Postings: 6; Share: 0.08; Required: 5; Open postings: 3; First seen: 2026-05-25 - **LLM** — Layer: ai; Postings: 6; Share: 0.08; Required: 5; Open postings: 3; First seen: 2026-06-02 - **PostgreSQL** — Layer: data; Postings: 6; Share: 0.08; Required: 5; Open postings: 3; First seen: 2026-05-25 - **React.js** — Layer: frameworks; Postings: 6; Share: 0.08; Required: 5; Open postings: 1; First seen: 2026-05-25 - **Rust** — Layer: languages; Postings: 6; Share: 0.08; Required: 1; Open postings: 2; First seen: 2026-05-28 - **Amazon CloudWatch** — Layer: cloud; Postings: 5; Share: 0.0667; Required: 5; Open postings: 2; First seen: 2026-05-26 - **CloudFormation** — Layer: tools; Postings: 5; Share: 0.0667; Required: 5; Open postings: 1; First seen: 2026-05-26 - **FastAPI** — Layer: frameworks; Postings: 5; Share: 0.0667; Required: 5; Open postings: 2; First seen: 2026-05-25 - **Rest API** — Layer: tools; Postings: 5; Share: 0.0667; Required: 5; Open postings: 4; First seen: 2026-07-10 - **ETL/ELT** — Layer: practices; Postings: 5; Share: 0.0667; Required: 4; Open postings: 2; First seen: 2026-05-25 - **Prometheus** — Layer: tools; Postings: 5; Share: 0.0667; Required: 4; Open postings: 2; First seen: 2026-05-26 - **pySpark** — Layer: tools; Postings: 5; Share: 0.0667; Required: 4; Open postings: 2; First seen: 2026-05-25 - **Postman** — Layer: cloud; Postings: 5; Share: 0.0667; Required: 3; Open postings: 4; First seen: 2026-07-10 - **Go** — Layer: languages; Postings: 5; Share: 0.0667; Required: 2; Open postings: 1; First seen: 2026-05-28 - **MySQL** — Layer: data; Postings: 4; Share: 0.0533; Required: 4; Open postings: 1; First seen: 2026-05-25 - **PagerDuty** — Layer: cloud; Postings: 4; Share: 0.0533; Required: 4; Open postings: 1; First seen: 2026-05-26 - **Tokenization** — Layer: practices; Postings: 4; Share: 0.0533; Required: 4; Open postings: 1; First seen: 2026-05-25 - **OpenSearch** — Layer: data; Postings: 4; Share: 0.0533; Required: 3; Open postings: 3; First seen: 2026-08-06 - **Django** — Layer: frameworks; Postings: 3; Share: 0.04; Required: 3; Open postings: 0; First seen: 2026-05-25 - **Embeddings** — Layer: practices; Postings: 3; Share: 0.04; Required: 3; Open postings: 0; First seen: 2026-06-11 - **Flask** — Layer: frameworks; Postings: 3; Share: 0.04; Required: 3; Open postings: 0; First seen: 2026-05-25 - **Kubernetes** — Layer: cloud; Postings: 3; Share: 0.04; Required: 3; Open postings: 2; First seen: 2026-08-06 - **Recommender Systems** — Layer: practices; Postings: 3; Share: 0.04; Required: 3; Open postings: 1; First seen: 2026-05-26 - **AWS Lambda** — Layer: cloud; Postings: 3; Share: 0.04; Required: 2; Open postings: 0; First seen: 2026-05-25 - **Docker** — Layer: tools; Postings: 3; Share: 0.04; Required: 2; Open postings: 0; First seen: 2026-05-25 - **PyTorch** — Layer: frameworks; Postings: 3; Share: 0.04; Required: 2; Open postings: 1; First seen: 2026-06-02 - **Amazon ECS** — Layer: cloud; Postings: 2; Share: 0.0267; Required: 2; Open postings: 0; First seen: 2026-06-24 - **Amazon S3** — Layer: cloud; Postings: 2; Share: 0.0267; Required: 2; Open postings: 0; First seen: 2026-06-24 - **C#** — Layer: languages; Postings: 2; Share: 0.0267; Required: 2; Open postings: 0; First seen: 2026-06-24 - **CircleCI** — Layer: tools; Postings: 2; Share: 0.0267; Required: 2; Open postings: 0; First seen: 2026-06-24 - **Claude** — Layer: ai; Postings: 2; Share: 0.0267; Required: 2; Open postings: 0; First seen: 2026-09-05 - **Databricks** — Layer: cloud; Postings: 2; Share: 0.0267; Required: 2; Open postings: 1; First seen: 2026-06-04 - … 45 more in the JSON form ## Changes ### First appeared - **Claude** — First seen: 2026-09-05 ### Rising - **JavaScript** — Share from: 13; Share to: 27 - **Rest API** — Share from: 2; Share to: 13 - **Postman** — Share from: 2; Share to: 13 - **AI Agents** — Share from: 7; Share to: 10 - **LLM** — Share from: 7; Share to: 10 ### Falling - **Python** — Share from: 64; Share to: 17 - **AWS** — Share from: 38; Share to: 7 - **SQL** — Share from: 33; Share to: 3 - **CI/CD** — Share from: 22; Share to: 3 - **Azure** — Share from: 16; Share to: 0 - **GCP** — Share from: 16; Share to: 0 - **Spark** — Share from: 16; Share to: 0 - **GitHub Actions** — Share from: 18; Share to: 3 ## Similar stacks - [Robots & Pencils](https://alion.io/company/robots-and-pencils/technologies) — Shared technologies: 71 - [Tekion](https://alion.io/company/tekion/technologies) — Shared technologies: 74 - [Cornerstone OnDemand](https://alion.io/company/cornerstone-ondemand/technologies) — Shared technologies: 71 - [FactSet](https://alion.io/company/factset/technologies) — Shared technologies: 75 - [Roku](https://alion.io/company/roku/technologies) — Shared technologies: 73 - [Straive](https://alion.io/company/straive-2/technologies) — Shared technologies: 71 - [GEICO](https://alion.io/company/geico-3/technologies) — Shared technologies: 77 - [Nielsen](https://alion.io/company/nielsen/technologies) — Shared technologies: 73 --- [Page](https://alion.io/company/constructor-3/technologies) · [JSON](https://alion.io/company/constructor-3/technologies.json) Source: Alion (alion.io), 2026-11-13. 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