Senior AI / LLM Engineer

Halian is supporting a client on a strategic initiative building LLM-driven applications and looking for a Senior AI / Software Engineer to join the project in Paris, France.

Position: Senior AI / LLM Engineer (m/f/d)
Location: Paris, France
Type: Contract
Posted: March 2, 2026

Key Responsibilities:

• Design backend applications using large language models
• Construct LLM architectures including agents, workflows, and retrieval-augmented generation
• Implement intelligent pipelines with LangChain and LangGraph frameworks
• Integrate AI solutions into secure, scalable, and compliant production environments
• Maintain performance, reliability, and maintainability standards
• Collaborate with cross-functional teams on technical architecture
• Convert business needs into robust backend solutions

Required Qualifications:

• Senior-level Python development expertise
• Production experience building LLM-based applications
• Understanding of security, compliance, and performance constraints
• Autonomous work capability with strong collaboration skills
• Technical design and communication proficiency

Preferred: Background in regulated sectors, particularly banking or financial services.

About Halian: 28 years of experience in technology staffing and solutions. Commitment to diversity, equity, and inclusion in hiring practices.