Charm Security- Senior Backend Engineer – Platform

This role is on our Platform team that powers our AI agents and serves our financial services customers.

Your Role

You'll design and build Charm's core platform services, working closely with our AI engineering and Data Science team to bring fraud prevention capabilities to production. You will:

Architect and develop our multi-tenant platform serving enterprise financial institutions using Express.js, Prisma, and PostgreSQL

Build and scale the backend services powering our real-time conversation widget (via Socket.io), analyst Copilot, and management portal

Design event-driven pipelines using NATS and RabbitMQ that process fraud signals and trigger AI-driven interventions

Implement secure, compliant integrations with bank systems using Descope for enterprise authentication

Drive reliability and observability across our GCP infrastructure using Pino, OpenTelemetry, and Prometheus

Collaborate directly with AI engineers (who work with LangChain/LangGraph), product, data science, and customers to ship high-impact features

Contribute to backend engineering practices and technical decisions as we grow

Requirements

Requirements

6+ years of backend development experience in Node.js/TypeScript

Experience building multi-tenant SaaS platforms for enterprise customers

Strong understanding of event-driven architectures and real-time data processing (WebSockets, message queues)

Hands-on experience with Kubernetes, Docker, and cloud infrastructure (GCP preferred)

Familiarity with PostgreSQL, Redis, and data modeling with ORMs like Prisma

Understanding of security and compliance requirements (SOC2, enterprise authentication patterns)

Comfort working directly with customers and cross-functional teams

A builder's mindset. We're early stage and move fast