Backend Engineer for AI-Powered Product Features

Spendesk; Paris; On-site; EUR 90,000 - 130,000; Full time

Job summary

Spendesk is seeking a Backend Software Engineer (IC3) to join the AI & Data Products squad. You will design, build, and operate backend services powering AI-native features, turning predictive models and LLM outputs into production-ready capabilities integrated into spend management workflows.

You’ll collaborate with ML Engineers, PMs, and designers to deliver reliable, observable, and scalable backend systems.

Qualifications

• Significant backend software engineering experience in production environments.
• Strong track record of designing and shipping reliable backend services with measurable impact.
• Experience contributing to complex product initiatives in fast-paced, cross-functional teams.
• Exposure to ML-enabled or AI-enabled product features is a strong plus.

Responsibilities

• Design, build, and operate backend services and APIs that power AI-driven, ML-driven, or automation-heavy product capabilities.
• Translate predictive logic and AI outputs into reliable backend behaviors for user-facing flows.
• Build service layer enabling intelligent features to integrate into real workflows with latency, reliability and security in mind.
• Ensure production readiness with clear ownership of deployment, monitoring, and maintainability.

Skills

TypeScript

Node.js

APIs

Distributed systems

Observability

Kafka

PostgreSQL

SQS

Step Functions

ML integration

Tools

Kafka

SQS

Step Functions

PostgreSQL

Terraform

Kubernetes

AWS Bedrock

Job description

Spendesk is seeking a Backend Software Engineer (IC3) to join the AI & Data Products squad. You will design, build, and operate backend services powering AI-native features, turning predictive models and LLM outputs into production-ready capabilities integrated into spend management workflows.

You’ll collaborate with ML Engineers, PMs, and designers to deliver reliable, observable, and scalable backend systems.