Senior Backend Engineer Full-time | Munich | Seed Stage | Equity + SalaryHelp Build a Generational CompanyAt Knowlix, we’re on a mission to 10x small businesses' productivity. We strive to become the dominant small business platform for human-AI and AI-to-AI collaboration. We’re still early, but we’re thinking big. This is your opportunity to help shape a product that serves millions and defines a category.We move fast, ship often, and obsess over quality. If you burn to build, ship, and scale - and you love using AI to make things radically better - this is your seat at the table.Why Knowlix, Why NowWe're a well-funded seed-stage startup, backed by top-tier investors and experienced foundersOur tech works - and first users are already feeling the first magicWe're going after a massive market, with a product that changes how people workYou’ll be joining as one of the earliest team members - with real influence and ownership over the trajectory of the companyWe believe speed is a function of focus + iterationThis isn’t a job. It’s a chance to help build a once-in-a-generation company if we do things right.The RoleWe’re looking for a pragmatic and passionate Backend Engineer with strong backend skills in Python and a solid grasp of SQL and cloud infrastructure. You’ll work closely with AI researchers, product designers, and DevOps engineers to build a seamless bridge between human users and our AI agents. Interest in Go, Rust and Swift is a plus, especially for future product components like microservices or mobile interfaces.What You Bring (Requirements)5+ years of experience in fullstack or backend-focused software developmentProficiency in Python and experience with modern Python web frameworksGood command of SQL and working knowledge of relational databases (PostgreSQL, MySQL, etc.)Experience with AWS, Docker, and basic DevOps workflowsFamiliarity with JavaScript and front-end technologies (React, Vue, or similar)Curiosity and willingness to learn Go or SwiftStrong communication skills and comfort working in a startup environmentYou’ll Thrive Here If You… (Preferred)Experience building or integrating with LLMs, vector stores, or AI inference pipelinesKnowledge of microservices, gRPC, or real-time systemsBackground in data processing, message queues, or streaming architecturesExposure to mobile app development or cross-platform environments (e.g., SwiftUI)Experience with RPA tools and workflowsFamiliarity with Graph APIsWhat You’ll GetA path-defining role in a high-upside company backed by world-class investorsDeep ownership and equityA team that cares deeply about what we’re building and the people we build it withA rare chance to leave your mark on something that has the opportunity to become generational