AI Engineer

Next Ventures; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Next Ventures is seeking two Senior AI Engineers to join a major transformation of an in-store POS platform just outside Paris, with a hybrid working model. You will design, develop and integrate AI capabilities, including agentic AI, anomaly detection and security features.

The role emphasizes Java/Spring Boot, microservices, APIs, and enterprise system integration, with onsite presence required at least twice per week.

Qualifications

• 5+ years’ experience with Java and strong Spring Boot development.
• 1-2+ years building and integrating AI solutions, ideally including autonomous/LLM agents.
• Experience delivering robust, distributed systems using microservices, APIs and relational/document databases.
• Strong engineering practices across CI/CD, Git, DevOps, automated testing and SOLID principles.

Responsibilities

• Design, develop and integrate AI capabilities into the new platform.
• Implement agentic AI, customer journey automation, anomaly detection and transaction security.
• Develop microservices and event-driven architecture; integrate with enterprise systems.
• Ensure AI services remain reliable and performant in production.

Skills

Java

Spring Boot

AI integration

Microservices

CI/CD

DevOps

SOLID principles

Tools

Git

APIs

Relational databases

Document databases

Event-driven architecture

Job description

*BUILD THE FUTURE OF RETAIL WITH AGENTIC AI - AI ENGINEER MISSION - 1 YEAR INITIAL - HYBRID WORKING MODEL*

On behalf of one of my customers in the retail sector, I’m looking for 2 Senior AI Engineers with strong Java/Spring Boot expertise to join a major transformation program of its in-store point-of-sale platform. The project will replace the existing checkout system with a modern, scalable and secure platform supporting omnichannel retail and improving the experience for customers and store colleagues.

You’ll design, develop and integrate AI capabilities into the new platform, including agentic AI, customer journey automation, anomaly detection and transaction security. The role also covers microservices and event-driven architecture, integration with enterprise systems, and ensuring AI services remain reliable and performant in production.

We’re looking for:

• 5+ years’ experience with Java and strong Spring Boot development.
• 1-2+ years building and integrating AI solutions, ideally including autonomous/LLM agents.
• Experience delivering robust, distributed systems using microservices, APIs and relational/document databases.
• Strong engineering practices across CI/CD, Git, DevOps, automated testing and SOLID principles.

Customer are based just outside of Paris, needing experts to be onsite at least 2 times per week.