Senior AI / LLM Engineer
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Tech Stack
About the Role
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.
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