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Scalar is hiring a Senior Platform Engineer

Responsibilities

  • Take full ownership of the foundational platform powering all core products, including services, infrastructure, and internal tools for documentation, SDKs, API clients, and AI agents.
  • Develop and maintain the documentation system, handling Markdown/MDX rendering, OpenAPI and AsyncAPI integration, bidirectional Git synchronization, and AI chat features from backend to frontend.
  • Build and improve automated SDK generation that converts OpenAPI specifications into type-safe client libraries in TypeScript, Python, Go, PHP, Java, and Ruby, with sample code and GitHub automation.
  • Contribute to the development of an open-source, offline-first API client that supports multiple operating systems and adheres to open standards.
  • Work on Agent Scalar, a secure AI gateway enabling natural language interaction with APIs, leveraging the Vercel AI SDK, MCP SDK, and Google Vertex AI.
  • Oversee a hybrid compute architecture using Cloud Run for stateless services and multi-region Compute Engine instance groups for high-throughput, stateful workloads.
  • Manage infrastructure provisioning and configuration using Pulumi with TypeScript, covering networking, secrets, and Google Cloud Platform services.
  • Operate and scale the event-driven messaging layer using Pub/Sub with dead-letter queues, Cloud Tasks, and Cloud Scheduler for reliable async workflows.
  • Handle object storage and artifact management on Google Cloud Storage, including cached documentation builds, published assets, image uploads, and CDN distribution.
  • Maintain the pipeline that transforms OpenAPI definitions into SDKs and synchronizes them with GitHub repositories.
  • Ensure system reliability, performance, and dynamic scaling as user demand increases across serverless and regional compute environments.
  • Develop and support internal developer tools such as a custom CLI, deployment pipelines, GitHub Actions for CI, and a feature flag system backed by a database.
  • Implement comprehensive observability using Sentry, structured logging with pino and Better Stack, and analytics pipelines into BigQuery.

Work Arrangement

Remote (Worldwide)

Team

Small team of 10 engineers where generalist skills and cross-functional collaboration are essential.

About company
Scalar
Building on a great API is one of the best feelings in software — every interface you want is right there, and it all just works. Building on a bad one is the opposite: out-of-date docs, no SDK in your language, no MCP server. We started Scalar to fix that. We're a small team (around ten engineers and designers) who wear a lot of hats and obsess over our craft. We think every company deserves Stripe-level docs, SDKs, and MCP servers from day zero — not just the ones with a platform team to build them. Open-source is in our DNA: our whole team contributes to and maintains repositories across the API ecosystem, including the standards everyone relies on, like OpenAPI. We keep things lean and move without layers of process — engineers pick up problems, talk to each other, and ship. We're looking for owners with high agency: people who see what needs doing and do it. If you do your best work with a lot of autonomy and very little ego, you'll feel at home here.
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Job Details
Department Engineering
Category infrastructure
Posted 2 days ago