Pulumi is the infrastructure-as-code tool that uses real programming languages—TypeScript, Python, Go, C#—instead of HCL. Used in production at Snowflake, Mercedes-Benz, and SAP Concur.
Source: GitHub · fetched 2026-04-17
Pulumi is an infrastructure-as-code platform founded in 2017 by ex-Microsoft engineers Joe Duffy and Eric Rudder. The core engine is Apache 2.0 licensed and lets teams define cloud resources in TypeScript, Python, Go, C#, Java, and YAML, then reconcile them against a state backend. It supports the same cloud providers as Terraform plus Kubernetes, and can consume Terraform providers directly through a compatibility layer.
Pulumi's positioning has always been "real code for real infrastructure"—loops, conditionals, classes, unit tests, IDE autocomplete. That appeals to teams where the same engineers write both app code and infra, and is less appealing to platform teams that want a declarative contract. The company's commercial product, Pulumi Cloud, adds state management, RBAC, policy-as-code (CrossGuard), secrets, and ESC environment management.
Pulumi's case-study roster includes Snowflake, Mercedes-Benz R&D, SAP Concur, Panther, CockroachDB, and Atlassian. It is most common at engineering-heavy SaaS companies where infrastructure is owned by the same developers who ship product code, rather than at large platform teams with dedicated HCL specialists.
Pulumi users are typically full-stack or backend engineers who want to write infra in the same language as their app, plus platform engineers at companies that standardized on a single language. Those personas buy IDEs, CI/CD, secrets managers, Kubernetes operators, observability, and SaaS developer tools—overlap with most dev-tool GTM targets.
According to the Pulumi README: “Pulumi is open source under the Apache 2.0 license, and supports many languages and clouds.” (source)
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Pulumi is used in production at Mercedes-Benz, Snowflake, Atlassian, and infrastructure teams who prefer programming languages (TypeScript, Python, Go) over HCL/YAML for infrastructure-as-code.
Pulumi Corporation, founded in 2017 by Joe Duffy and others from Microsoft. The core Pulumi SDK is Apache 2.0 licensed. Pulumi Cloud is the commercial platform for state management and policies.
Terraform/OpenTofu (HCL-based, larger community), AWS CDK (TypeScript/Python, AWS-only), Crossplane (Kubernetes-native), CDK for Terraform (use Pulumi CDK approach but emit Terraform), and Ansible (more procedural than declarative).
Pulumi has 369 contributors (GitHub, 2026/04). It is one of the more actively contributed open-source projects in its category, with contributions from both individual developers and corporate engineering teams.
Yes. Pulumi is production-ready: it has 25.1k GitHub stars, 369 contributors (GitHub, 2026/04), and is last released Apr 2026. It is used in production at large-scale organizations and has a mature release cadence.
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