Founding Senior Backend Engineer
Core
Build the core platform engine (APIs, auth, RBAC, multi-tenancy) for a European Deep Tech startup's AI-driven cloud platform serving high-stakes operational clients.
Role type
Founding Senior Backend Engineer
Builds
Core platform APIs, authentication/authorization systems, multi-tenant workspaces, and integrations with data and AI services.
Domain
Deep Tech / AI / Cloud Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Backend architecture, API design, data modeling, security implementation, process state management, error recovery patterns, SaaS platform development, event-driven systems, coding agents usage
Preferred skills
RAG/LLM integrations, event-driven architectures, early-stage startup experience, TypeScript/Next.js familiarity
Technologies
Java (Spring Boot), Python (Django/FastAPI), PostgreSQL, AWS Bedrock, AWS (ECS/Fargate), Terraform, Kafka/RabbitMQ, OpenTelemetry, Grafana
Responsibilities
Design internal APIs and contracts connecting frontend, data, and AI; implement complex workflows with progressive states and human approval gates; build foundational infrastructure for audit logs and observability; create reusable patterns for automated verification and specs.
Seniority
Senior, hands-on IC