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.
  • Build multi-agent workflows, advanced orchestration mechanisms, and intelligent reasoning chains.
  • Develop and maintain distributed Python backend services.
  • Integrate LLMs and AI services into enterprise applications.
  • Implement RAG, conversational memory, tool calling, and advanced contextualization mechanisms.
  • Ensure the robustness, reliability, performance, and security of developed solutions.
  • Produce maintainable, tested, and high-quality software.
  • Contribute to DevOps, CI/CD, and cloud-native industrialization.
  • Collaborate with Product, Architecture, Data Science, Cloud, and DevOps teams.
  • Conduct code reviews and contribute to architecture decisions.

Requirements

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

Benefits

  • Innovative projects focused on generative AI and multi-agent systems.
  • A cutting-edge technology environment.
  • Career progression opportunities toward Lead Developer or AI Architect positions.
  • Opportunity to collaborate with recognized AI, Cloud, and Data experts.
  • The position is located in Les Clayes-sous-Bois, France.
  • The company states that its roles are open to people with disabilities and supports diversity, equity, and inclusion.
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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