Atos

AI Application Developer H/F

Atos
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2 days ago
Les Clayes-sous-Bois, FranceSenior

Responsibilities

  • Design, develop, and maintain agentic AI applications using frameworks such as LangGraph and LangChain.
  • Develop multi-agent workflows, advanced orchestration mechanisms, and intelligent reasoning chains.
  • Build and maintain distributed Python backend services and integrate LLMs and AI services into enterprise applications.
  • Implement RAG, conversational memory, tool calling, and advanced contextualization mechanisms.
  • Ensure the robustness, reliability, performance, security, maintainability, and testability of developed solutions.
  • Contribute to solution industrialization through DevOps practices and cloud-native environments.
  • Collaborate with Product, Architecture, Data Science, Cloud, and DevOps teams.
  • Perform code reviews, contribute to architectural decisions, and ensure deliverable quality.

Requirements

  • Engineering school graduate or holder of an equivalent Bac+5 qualification.
  • At least 3 years of software development experience with strong Python expertise.
  • Significant experience developing generative AI and LLM-based applications.
  • Proficiency with AI orchestration frameworks such as LangGraph and LangChain or equivalent technologies.
  • Strong knowledge of software architecture, API design, design patterns, and software development best practices.
  • Understanding of generative AI concepts including prompt engineering, RAG, AI agents, orchestration, conversational memory, and contextual reasoning.
  • Experience with Docker, Kubernetes, cloud-native environments, distributed architectures, and highly scalable systems.
  • Professional English proficiency, both written and spoken.

Benefits

  • Innovative projects focused on generative AI and multi-agent systems.
  • A cutting-edge technology environment that is constantly evolving.
  • Career development opportunities toward Lead Developer or AI Architect roles.
  • Collaboration with recognized AI, Cloud, and Data experts.
  • Position located in Les Clayes-sous-Bois, France.
  • Inclusive workplace programs supporting diversity, equity, inclusion, and employees with disabilities.
Atos

About Atos

10,000+ employees

Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris. Atos is the services brand of Atos Group, delivering AI powered, secure and end to end digital services to public and private organizations worldwide. Atos designs, builds and run digital environments that are critical to performance, resilience and sovereignty, helping clients keep control of their data, infrastructure and compliance, with clear accountability from strategy to operations. With more than 54,000 people serving 4,500+ clients in 54 countries, Atos helps modernize core IT, accelerate cloud and data transformation, strengthen cybersecurity and enable secure digital workplaces, delivering impact for clients, employees and society at large. Atos offers end-to-end IT services across the cloud, cybersecurity, data and AI, application services, smart platforms and digital workplace, as well as localized consulting and advisory services under its brand Atos Amplify. Atos is trusted to operate complex, business-critical environments, especially in regulated and sovereign contexts.

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