Senior Fullstack Engineer (all genders) | Python, React | LLM Security Platform | Düsseldorf

As Senior Fullstack Engineer, you're owning the development of our AI platform that automates the architecture-level security reviews our consultants currently do by hand. You spend most of your time on the backend, building and extending the AI-integrated services, async pipelines and APIs that power our research platform. The rest is the interface layer, where consultants interact directly with the AI's output.You’ll be part of a a small, tight-knit setup where every contribution counts. Whilst stakeholders communicate their requirements, you know how to put them into practice., Backend & API: Build and extend FastAPI endpoints, Celery task orchestration, PostgreSQL schemas, and GCS object storage; clean integration with the AI/ML pipeline. Data Flow Ownership: Design how the platform's data is stored, versioned, and served to the UI. Knowledge Approval Workflow: Design and extend the lifecycle layer for documents in the platform: data model, SLA tracking, escalation signals, and provenance metadata. Consultant-facing UI: Build the surfaces where AI output meets users: long running task UX, real time updates, and the path from polling to WebSocket/SSE streaming. End-to-End Delivery: Work with the AI team and an external UX designer to ship features from pipeline to UI – and own what works under the hood. Platform Reliability: Shape test strategies, structured logging, performance budgets, and the SDLC and agile practices the team needs as it grows., Must haves Fullstack ...

Fähigkeiten

TypeScript, Docker, Kubernetes, CI/CD, Neo4j, Websockets, LLM, React Native, Google Cloud Platform (GCP), Graph Databases, IT Security Engineering, Test Strategy, Software Engineering, Engineering, Full Stack Development, Backend, Python, React, PostgreSQL