AI Developer / AI Agents - Freelance (M/F)

France | Sept. 26, 2026

Report as Closed

Company: Collective.work

Country: France

Type: Onsite

Employment: Full-time

Description: Daily rate (TJM): 500

Reinforcement of the MTA team to develop and industrialize AI components for the professions.

The mission concerns AI agents, advanced chatbots and integrations with the information system.

CONTEXT

- Strengthening the client's MTA (Modeling and Advanced Technologies) team.

- The team designs and industrializes AI components used by professions.

- The need is part of the rise in AI uses and the support of associated cross-functional platforms.

MISSIONS

- Develop advanced AI agents for professions

- Design agents capable of executing complex actions and multi-step scenarios.

- Build connection elements, authorization and execution necessary for agents.

- Align developments with security, DPO and AI governance procedures.

- Design or improve business chatbots

- Develop AI assistants for documentation, workflows and document qualification.

- Implement memory, information retrieval and contextualization mechanisms.

- Optimize user interactions with prompts, actions and structured responses.

- Integrate and orchestrate solutions with the information system

- Make secure calls to internal services.

- Connect to existing orchestration tools and document pipelines.

- Set up tool implementers with detailed management of authorizations and logs.

- Industrialize and make reliable solutions

- Implement complete observability with logs, metrics, traceability and cost tracking.

- Carry out unit and end-to-end tests for chatbots and agents.

- Contribute to internal frameworks and participate in system demonstrations.

ORGANIZATION & DAILY

- Participation in system demonstrations, PI planning and increments Agile.

CONDITIONS

- Mission based in Paris, France.

- Desired start on 09/28/2026.

- Duration of the purchase order: 3 months.

- Deadline for proposals: 09/30/2026.

- Maximum budget: €571.5 excluding tax per day.

- Type of unit of work : per day.

EXPERIENCE LEVEL

- Experienced developer.

TECHNICAL SKILLS

- API-first oriented development.

- Good practice of cloud architecture patterns.

- DevSecOps: You Build It And You Run It.

- Design of tooled AI agents.

- Modeling of AI and business workflows in complex environments.

- Design of complex conversational flows.

- Integration of memory modules, information retrieval and contextualization.

- Optimization of advanced prompts.

- Understanding of agent security constraints.

- Ability to document guides, API docs and diagrams.

- Product spirit: propose, challenge, prioritize, demonstrate.

TOOLS

- Python (FastAPI, async)

- FastAPI

- Node.js/TypeScript

- LangChain

- LlamaIndex

- CrewAI

- Semantic Kernel

- Mistral

- GPT

- Claude

- RAG (Retrieval-Augmented Generation)

- API

- REST

- GraphQL

- ERP

- EDM

- RPA

- CRM

- PHX

- IALAB

- IAP

- CI/CD

- Containers

- Kafka

- Azure Functions

- Grafana

- Prometheus

- Langfuse

SOFT SKILLS

- Strong autonomy.

- Ability to lead cross-functional topics.

- Pedagogy and popularization for the professions.

- Active participation in Agile rituals and demonstrations.

Apply here:

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