Backend Engineer – Data Platform & AI Agents (Hybrid)

Jus Mundi; Paris; Hybrid; EUR 90,000 - 140,000; Full time

Benefits offered by this job

Hybrid work model (2 days on-site)

5 weeks vacation per year

Private health insurance for you and a

Restaurant vouchers (Swile)

JM Fest company summits

Co-financed ClassPass membership

Global remote work up to 8 weeks/year

Relocation assistance to France

Job summary

Jus Mundi, a Paris-based legal AI company, is expanding its Data team to build scalable backend services and an AI-powered data platform for international law. You will design and own end-to-end pipelines, from scraping sources to extracting and indexing evidence, with a focus on reliability and cost management.

Join a multidisciplinary team of engineers, lawyers, and AI specialists, collaborating with stakeholders and shipping production-grade features.

Qualifications

• Backend services built in Python for production use.
• Solid knowledge of PostgreSQL, data modelling and migrations.
• Experience with Docker, CI/CD, logging and metrics.
• Fluent English, written and spoken.

Responsibilities

• Own end-to-end delivery of your area from design to production.
• Build, extend and maintain data pipelines and AI agent workflows.
• Ensure value extraction is traceable with source quotes.
• Improve retries, cost visibility and failure handling.

Skills

Python backend development

PostgreSQL / SQL

Docker CI/CD and observability

English proficiency

Tools

FastAPI

PostgreSQL

Elasticsearch

RabbitMQ

Kubernetes

Vue

Job description

Jus Mundi, a Paris-based legal AI company, is expanding its Data team to build scalable backend services and an AI-powered data platform for international law. You will design and own end-to-end pipelines, from scraping sources to extracting and indexing evidence, with a focus on reliability and cost management.

Join a multidisciplinary team of engineers, lawyers, and AI specialists, collaborating with stakeholders and shipping production-grade features.