We’re building real, production‑grade AI that helps people work smarter and creates meaningful impact. As an AI Engineer, you’ll design, ship, and operate LLM‑powered solutions agents, RAG/CAG pipelines, and intelligent services using modern engineering practices. If you’re a curious builder who loves to learn, prototype, and turn ideas into durable products, you’ll feel at home here.
What you’ll do :
Design & build LLM applications end‑to‑end (APIs, services, and/or simple UIs) that solve concrete user problems.
Implement retrieval‑augmented (RAG/CAG) and tool‑augmented patterns, including chunking/embedding strategies, vector stores, reranking, and prompt orchestration.
Develop agentic workflows (tool use/function calling, planning/critique loops, MCP‑based integrations when relevant) with robust guardrails and observability.
Own LLMOps/MLOps fundamentals: offline/online evaluation, A/B testing, data & prompt versioning, red‑teaming/safety checks, latency/cost monitoring, and drift detection.
Engineer reliable backends in Python and JavaScript/TypeScript (Node), with Go as a strong plus for high‑performance services.
Ship to production with CI/CD, containers (Docker), and cloud services (e.g., Azure/AWS/GCP), including secrets, logging, and runtime monitoring.
Partner cross‑functionally with PMs, designers, data engineers, security/privacy, and domain experts to refine requirements and measure business impact.
Continuously learn: explore new models, patterns, and tools; share findings via demos, brown‑bags, or docs to uplift the team.
What you’ll bring (Must‑have) :
Programming languages: Strong proficiency in Python and JavaScript/TypeScript; production experience building APIs/services. Go is a big plus.
LLM foundations: Working knowledge of LLMs and modern patterns like RAG, CAG, MCP; prompt engineering and function/tool calling.
Data & retrieval: Experience with embeddings/vector databases, document chunking, metadata, and retrieval/reranking strategies.
Software engineering: Solid grasp of testing, code quality, design patterns, API design (REST/gRPC), and performance troubleshooting.
Cloud & DevOps: Practical experience with at least one major cloud (Azure/AWS/GCP), containers, CI/CD, and infrastructure basics.
Security & responsibility: Awareness of privacy, safety, and responsible‑AI guardrails when handling sensitive data and user interactions.
Mindset: Curious, hands‑on “geek” builder who iterates quickly, learns continuously, and enjoys sharing knowledge.
Nice to have :
Go for high‑throughput microservices or systems work.
Agent frameworks and orchestration tools (LangChain, LlamaIndex, MCP servers/clients, workflows/queues).
Evaluation tooling (prompt/test harnesses, deterministic fixtures, LLM judges, hallucination/grounding checks).
Search & data (BM25/sparse retrieval, hybrid search, knowledge graphs).
Front‑end basics (React/Next.js) to prototype end‑to‑end experiences.
Observability (OpenTelemetry, tracing, metrics, cost dashboards).
Regulatory awareness (e.g., EU AI Act considerations) and security best practices (PII handling, RBAC, key management).
Multilingual environments and domain experience in Technology.
Our stack :
Backend: Python (FastAPI), Node/TypeScript (Express/Next.js), Go
AI/LLM: Embeddings & vector DBs, rerankers, function/tool calling, orchestration workflows
Data/Infra: Cloud (Azure/AWS/GCP), Docker/K8s, PostgreSQL, Redis, message queues
Observability: Logs/metrics/traces, cost & latency dashboards, evaluation pipelines
Collab: Git, CI/CD, feature flags, experiment tracking
Who you are :
A learner‑enthusiast who reads, prototypes, and shares.
A pragmatic engineer who loves clean code and measurable outcomes.
A mission‑driven teammate who wants tech to make the world better for users and colleagues.
Rencontrez Alban, Développeur IA
Rencontrez Arnault, Directeur Data France
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