Full Stack Software Engineer (Agentic Artificial Intelligence)

Join Sift, a company at the forefront of agentic artificial intelligence. As a Full Stack Software Engineer, you will have real product ownership and autonomy, working directly with customers to understand their needs and drive product development. You will work across the entire stack, from frontend to backend, and have the opportunity to help evolve and scale our platform.

• Concevoir, expédier et exploiter des systèmes agentiques qui raisonnent sur des données temporelles à grande échelle et le contexte du domaine matériel.
• Développer et maintenir le serveur MCP de Sift, la surface d'outil qui permet à la fois à nos agents et aux outils d'IA de nos clients d'interroger directement la télémétrie.
• Construire tout autour du modèle qui rend les agents fiables : interfaces d'outils, exécution en bac à sable pour le code généré par l'agent, gestion du contexte et de la mémoire.
• Have 3+ years of professional software engineering experience
• Are curious about new AI products: you try new agents, models, and features as they ship, and have opinions about what makes them good
• Get excited about owning a product area: talking to customers, deciding what to build, and shipping it
• Have built APIs (REST, gRPC, etc.) or backend services with technologies like Go, Python, Rust, or similar
• Have built frontend web applications with technologies like React, NextJS, or similar
• Shipped products to users at scale: large data volumes, significant active user counts, or deep technical complexity
• Shipped LLM-powered features
• Built agentic systems: multi-step tool use, planning loops, context management, and evals
• Designed tool ecosystems for agents, including MCP
• Worked with sandboxed or isolated execution of generated code
• Operated services in production (Kubernetes, observability, incident response)
• A personal ecosystem of AI dev tooling: custom agents, skills, scripts, or workflows built to ship faster
• A background in time-series data, scientific computing, or hardware test and telemetry
• Built internal agentic tooling that accelerates an engineering org
• If this role excites you, apply even if you don’t check every box