Staff / Principal Software Engineer, Security

TL;DR: We're looking for an exceptional senior engineer and technical leader for the security team to help make Lovable the most secure AI-powered software creation platform on the planet. Why Lovable? Lovable lets anyone and everyone build software with any language. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the digital world works. Lovable-built applications and websites are visited hundreds of millions of times a month, and our enterprise footprint is compounding fast. And we’re just getting started. We’re a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity, and low-ego collaboration. We seek out people who care deeply, ship fast, and are eager to make a dent in the world. What we’re looking for - 10+ years of engineering experience shipping production-grade products at high velocity, with a track record operating at senior engineering levels. - Deep, fluent command of React/TypeScript on the frontend and Golang on the backend. - Experience in one or more of: product security features (audit flows, compliance tooling, scanner interfaces), or code security and static analysis (SAST, linters, vulnerability scanners, or similar). - Solid understanding of systems design, performance tradeoffs, and scalable architecture. - Strong product sense - you can take something complex and make it feel simple and actionable for the user. - Familiarity with AI/LLM-powered tooling, or a background that involved dense algorithmic or systems work. - You're comfortable navigating ambiguity and driving clarity at an organisational level, not just technically. - You're based in Stockholm or ready to relocate - this is an on-site, 5-days-a-week role. What you’ll do In one sentence: Build the security features and systems that make Lovable the most trusted AI software creation platform in the world. - Build security product features end-to-end - audit flows, security scanner UI, compliance tooling, design and implement static analysis and more. - Integrate AI/LLM capabilities into security workflows to detect, explain, and remediate vulnerabilities. - Ship across the full stack as part of a small, self-sufficient team, owning your work from the first commit to production. - Advocate for secure coding practices, conduct security-focused code reviews, and raise the bar across the engineering org. - Influence our technical direction and product strategy with a security-first mindset. Our tech stack - Frontend: React and Typescript. - Backend: Golang and Rust. - Cloud: Cloudflare, GCP, AWS, Modal, multiple LLM providers. - DevOps & Tooling: GitHub Actions, Grafana, OTEL, infra-as-code (Terraform). - Data: Clickhouse, Firestore, Spanner, BigQuery. And we’re always exploring what’s next! About your application Please submit your application in English. It’s our company language, so you’ll be speaking lots of it if you join. We treat all candidates equally - if you’re interested, please apply through our careers portal.