# Proton - **Answer**: Proton builds mostly with Rust, Python, Kotlin, SQL. Its stack also includes Linux, Kubernetes, React.js, MySQL. Rust is named in 28 of the 76 job postings Proton published in the last 12 months (37%). Counted by Alion from the job postings of Proton, updated Nov 7, 2026. - **Window days**: 365 - **Postings analysed**: 76 - **Open postings**: 12 - **Technologies in use**: 111 - **Modernity score**: 74 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 17652 - **Name**: Proton - **Domain**: proton.me - **Url**: ## Technologies - **VPN** — Layer: practices; Postings: 76; Share: 1; Required: 76; Open postings: 12; First seen: 2023-06-12 - **Rust** — Layer: languages; Postings: 28; Share: 0.3684; Required: 21; Open postings: 2; First seen: 2025-02-27 - **Python** — Layer: languages; Postings: 19; Share: 0.25; Required: 13; Open postings: 1; First seen: 2024-09-13 - **Linux** — Layer: cloud; Postings: 15; Share: 0.1974; Required: 14; Open postings: 1; First seen: 2025-05-14 - **Kubernetes** — Layer: cloud; Postings: 13; Share: 0.1711; Required: 7; Open postings: 0; First seen: 2024-09-13 - **Grafana** — Layer: cloud; Postings: 11; Share: 0.1447; Required: 6; Open postings: 1; First seen: 2025-05-14 - **Offline-First** — Layer: practices; Postings: 10; Share: 0.1316; Required: 10; Open postings: 0; First seen: 2026-06-03 - **Kotlin** — Layer: languages; Postings: 10; Share: 0.1316; Required: 9; Open postings: 1; First seen: 2025-02-27 - **CI/CD** — Layer: practices; Postings: 10; Share: 0.1316; Required: 7; Open postings: 0; First seen: 2024-08-22 - **SQL** — Layer: languages; Postings: 9; Share: 0.1184; Required: 9; Open postings: 1; First seen: 2025-11-10 - **PHP** — Layer: languages; Postings: 9; Share: 0.1184; Required: 4; Open postings: 0; First seen: 2024-09-13 - **JavaScript** — Layer: languages; Postings: 8; Share: 0.1053; Required: 3; Open postings: 1; First seen: 2024-09-13 - **Windows** — Layer: cloud; Postings: 7; Share: 0.0921; Required: 6; Open postings: 1; First seen: 2025-08-11 - **Ansible** — Layer: tools; Postings: 7; Share: 0.0921; Required: 3; Open postings: 0; First seen: 2025-05-14 - **Prometheus** — Layer: tools; Postings: 6; Share: 0.0789; Required: 5; Open postings: 0; First seen: 2025-09-17 - **TypeScript** — Layer: languages; Postings: 6; Share: 0.0789; Required: 5; Open postings: 1; First seen: 2024-09-13 - **Git** — Layer: tools; Postings: 6; Share: 0.0789; Required: 4; Open postings: 1; First seen: 2025-08-11 - **React.js** — Layer: frameworks; Postings: 6; Share: 0.0789; Required: 4; Open postings: 1; First seen: 2024-09-13 - **Terraform** — Layer: tools; Postings: 6; Share: 0.0789; Required: 4; Open postings: 0; First seen: 2025-06-25 - **GitLab CI** — Layer: cloud; Postings: 5; Share: 0.0658; Required: 5; Open postings: 1; First seen: 2025-09-17 - **Jetpack Compose** — Layer: frameworks; Postings: 5; Share: 0.0658; Required: 5; Open postings: 0; First seen: 2025-02-27 - **MySQL** — Layer: data; Postings: 5; Share: 0.0658; Required: 5; Open postings: 0; First seen: 2024-09-13 - **Puppet** — Layer: tools; Postings: 5; Share: 0.0658; Required: 4; Open postings: 0; First seen: 2026-04-23 - **Symfony** — Layer: frameworks; Postings: 5; Share: 0.0658; Required: 0; Open postings: 0; First seen: 2026-03-18 - **Redis** — Layer: data; Postings: 4; Share: 0.0526; Required: 4; Open postings: 0; First seen: 2024-09-13 - **Rest API** — Layer: tools; Postings: 4; Share: 0.0526; Required: 4; Open postings: 0; First seen: 2024-08-22 - **C++** — Layer: languages; Postings: 4; Share: 0.0526; Required: 3; Open postings: 1; First seen: 2025-12-05 - **Figma** — Layer: cloud; Postings: 4; Share: 0.0526; Required: 3; Open postings: 1; First seen: 2026-07-07 - **GitLab** — Layer: cloud; Postings: 4; Share: 0.0526; Required: 3; Open postings: 1; First seen: 2024-08-22 - **Swift** — Layer: languages; Postings: 4; Share: 0.0526; Required: 3; Open postings: 1; First seen: 2024-08-22 - **GitHub** — Layer: cloud; Postings: 4; Share: 0.0526; Required: 2; Open postings: 1; First seen: 2026-01-26 - **OpenTelemetry** — Layer: frameworks; Postings: 4; Share: 0.0526; Required: 2; Open postings: 0; First seen: 2026-06-15 - **Configuration Management** — Layer: practices; Postings: 4; Share: 0.0526; Required: 1; Open postings: 0; First seen: 2025-06-25 - **AI Agents** — Layer: practices; Postings: 3; Share: 0.0395; Required: 3; Open postings: 0; First seen: 2024-09-13 - **Anomaly Detection** — Layer: practices; Postings: 3; Share: 0.0395; Required: 3; Open postings: 0; First seen: 2026-03-26 - **GitOps** — Layer: practices; Postings: 3; Share: 0.0395; Required: 3; Open postings: 0; First seen: 2026-03-30 - **Machine Learning** — Layer: practices; Postings: 3; Share: 0.0395; Required: 3; Open postings: 0; First seen: 2024-09-13 - **ArgoCD** — Layer: tools; Postings: 3; Share: 0.0395; Required: 2; Open postings: 0; First seen: 2026-03-30 - **ClickHouse** — Layer: data; Postings: 3; Share: 0.0395; Required: 2; Open postings: 0; First seen: 2024-09-13 - **DNS** — Layer: practices; Postings: 3; Share: 0.0395; Required: 2; Open postings: 0; First seen: 2025-06-25 - **TCP/IP** — Layer: practices; Postings: 3; Share: 0.0395; Required: 2; Open postings: 0; First seen: 2025-05-14 - **C#** — Layer: languages; Postings: 3; Share: 0.0395; Required: 1; Open postings: 1; First seen: 2025-08-11 - **Go** — Layer: languages; Postings: 3; Share: 0.0395; Required: 1; Open postings: 1; First seen: 2024-09-13 - **Docker** — Layer: tools; Postings: 3; Share: 0.0395; Required: 0; Open postings: 0; First seen: 2024-08-22 - **Java** — Layer: languages; Postings: 2; Share: 0.0263; Required: 2; Open postings: 0; First seen: 2026-03-30 - **Platform Engineering** — Layer: practices; Postings: 2; Share: 0.0263; Required: 2; Open postings: 0; First seen: 2026-06-15 - **SIEM** — Layer: cloud; Postings: 2; Share: 0.0263; Required: 2; Open postings: 0; First seen: 2026-05-19 - **WebRTC** — Layer: tools; Postings: 2; Share: 0.0263; Required: 2; Open postings: 0; First seen: 2026-05-04 - **Apache Kafka** — Layer: cloud; Postings: 2; Share: 0.0263; Required: 1; Open postings: 0; First seen: 2024-09-13 - **Debian** — Layer: cloud; Postings: 2; Share: 0.0263; Required: 1; Open postings: 0; First seen: 2025-05-14 - … 61 more in the JSON form ## Changes ### First appeared - **Figma** — First seen: 2026-07-07 - **A/B Testing** — First seen: 2026-07-07 - **OpenTelemetry** — First seen: 2026-06-15 - **Platform Engineering** — First seen: 2026-06-15 - **Offline-First** — First seen: 2026-06-03 - **SIEM** — First seen: 2026-05-19 - **Pandas** — First seen: 2026-05-19 ### Rising - **SQL** — Share from: 8; Share to: 25 - **PHP** — Share from: 5; Share to: 19 - **Grafana** — Share from: 10; Share to: 19 - **CI/CD** — Share from: 8; Share to: 13 - **Ansible** — Share from: 8; Share to: 13 ### Falling - **Offline-First** — Share from: 26; Share to: 0 - **Rust** — Share from: 41; Share to: 25 - **Jetpack Compose** — Share from: 13; Share to: 0 - **Kotlin** — Share from: 15; Share to: 6 - **ClickHouse** — Share from: 8; Share to: 0 ### Not seen 180d - **GitLab** — Last seen: 2026-03-30 - **C#** — Last seen: 2026-02-09 ## Similar stacks - [Tesonet](https://alion.io/company/tesonet/technologies) — Shared technologies: 79 - [Nord Security](https://alion.io/company/nord-security/technologies) — Shared technologies: 78 - [Adyen](https://alion.io/company/adyen/technologies) — Shared technologies: 75 - [Sigma Software Group](https://alion.io/company/sigma-software-group/technologies) — Shared technologies: 89 - [Rivian and Volkswagen Group Technologies](https://alion.io/company/rivianvw/technologies) — Shared technologies: 74 - [Solera](https://alion.io/company/solera/technologies) — Shared technologies: 79 - [JioStar](https://alion.io/company/jio-star/technologies) — Shared technologies: 75 - [Akamai](https://alion.io/company/akamai/technologies) — Shared technologies: 81 --- [Page](https://alion.io/company/proton/technologies) · [JSON](https://alion.io/company/proton/technologies.json) Source: Alion (alion.io), 2026-11-07. 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