Senior Platform Engineer (Agents)

About SanaAt Sana, we're on a mission to bring superintelligence to work—a seamless, beautiful way to access all your company’s apps, knowledge, and data. We are obsessed with making AI agents do real work to empower our users to process and act on knowledge at an unprecedented scale.We’re a talent-dense team of engineers and designers in Stockholm, united by a passion for building great products with deep technical excellence. Our backgrounds span AI research at Google, distributed systems at Spotify, product design and AI infrastructure at Apple, competitive programming, and scaling fast-growing startups. At Sana, everyone is an owner. We cut out processes, maximize impact, and value rapid prototyping and iteration.Our AI tools already help over a million people learn and work better across hundreds of leading enterprises. But we’re just getting started—there’s so much more to build. Join us to tackle some of the most challenging and meaningful problems of our generation.About The RoleYou’ll own the reliability, security, and scalability of Sana’s platform while leveling up developer velocity. This is the place for engineers who thrive on moving between cloud infrastructure, deployment, and tooling to unblock everyone else. You’ll work on everything from multi-tenant scale-out to developer experience, ensuring our platform is robust, secure, and a joy to build on.In this role, you willDrive reliability, security, and scalability across the platformArchitect and implement multi-tenant scale-out (10–100x) and observability solutionsLead incident response, performance profiling, and cost control initiativesBuild and maintain CI/CD pipelines, test infrastructure, and environment provisioningWork with engineers across the stack to remove friction and accelerate deliveryWhat success looks likeThe platform scales seamlessly as usage grows 10-100x, with robust observability and incident responseSecurity and compliance are built-in, not bolted onDeveloper velocity is tangibly higher—teams ship faster, with fewer blockersCI/CD, test infra, and development environments are reliable, discoverable, and loved by engineersCost controls and performance budgets are visible and actionableYou are a go-to partner for infra, deployment, and tooling challenges: unblocking others and raising the bar for engineering excellenceOur tech stackWe build on a simple modern stack optimized for both humans and AI:Backend: TypeScript, Node.jsFrontend: TypeScript, React, TailwindDatabases: Postgres, RedisCloud infra: GCP/Kubernetes/TerraformWhat we offerHelp shape AI's future alongside brilliant minds from Notion, Dropbox, Slack, Databricks, Google, McKinsey, and BCG. Competitive salary complemented with a transparent and highly competitive options program. Swift professional growth in an evolving environment, supported by a culture of continuous feedback and mentorship from senior leaders. Work with talented teammates across 5+ countries, and collaborate with customers globallyRegular team gatherings and events (recently in Italy and South Africa)