Lead Python/Java Developer - GCP - CDI (M/F)

Collective.workHauts-de-SeineEURESpublished 09/15/2026
Must-have:PythonJavaGitGoogle CloudCloudBackendDevOpsAgileTDDAILead
Machine translation — original language: French.Show original

Salary: 500€/day

CONTEXT

Position based in Boulogne Billancourt with a required experience of more than 7 years in similar missions. Maximum daily rate according to experience: 500€.

MISSIONS

  • Implementation, maintenance, and evolution of AI agents
  • Guarantee the functional coverage and specialization of the agent
  • Ensure the collaboration capabilities of the agent with other agents
  • Ensure the use of standards whenever possible
  • Manage security and ACLs aspects
  • Integrate monitoring and reporting on AI agent activity
  • Optimize performance and operating costs
  • Integrate agent quality evaluation mechanisms
  • Guarantee the scaling of agent usage
  • Ensure the stability and scalability of the platform via the implementation and optimization of technologies in collaboration with DevOps teams
  • Guarantee the restart of the information system within the deadlines required by projects
  • Communicate on the status of services and the restart plan if necessary
  • Challenge and contribute to the product vision, lead design, development, operations, and guarantee the SLA
  • Collaborate with Solution Architects for the study of evolutions requested by the product
  • Identify and prioritize offered services to meet client needs and the group strategy
  • Secure organizational alignment as well as the management of technical dependencies with various stakeholders
  • Ensure technological monitoring to guarantee the sustainability of the solutions used
  • Guarantee the functional consistency and quality of common transverse components within the Augmented scope
  • Guarantee the sustainability and update of the tools and technologies employed
  • Guarantee the application of best practices by all developers and the smooth functioning in agile mode of the project

EXPECTED SKILLS AND QUALITIES

  • Expertise in Python back-end development
  • Knowledge of Java language and Spring frameworks
  • Strong knowledge of Python LangGraph/ADK frameworks
  • Expertise in lead development (managing a dev team)
  • Mastery of OpenID Connect and OAuth 2 (security)
  • Mastery of suitable tooling for agent testing
  • Mastery of LangSmith or equivalent for observability
  • Mastery of RESTful APIs
  • Mastery of application Design Patterns
  • Mastery of SQL databases, PostgreSQL, MongoDB, vector databases
  • Mastery of Git and TDD
  • Mastery of pair programming, mob programming, and code review
  • Good knowledge of Google Cloud Platform
  • Good knowledge of streaming architectures and data processing
  • Good knowledge of DevOps and systems
  • Knowledge of the challenges posed by setting up a managed services platform
  • Knowledge of ML, Generative AI, RAG, Corpus, LLM, agent, assistant, prompt, hallucination, and AI model concepts
  • Ability to formulate effective queries to interact with generative AI and obtain desired results
  • Knowledge and critical use of AI, taking into account its limits and biases
  • Knowledge of GDPR requirements and ethical aspects related to AI
  • Mastery of code assistants (e.g., GitHub Copilot) to accelerate development and improve code quality, notably through mastery of Agentic, prompt/instruction files
  • Mastery of Agile methodologies and SAFe certification
  • Mastery of technical English, oral and written
  1. 7+ years of experience in Python back-end development
  2. Knowledge of Java language and Spring frameworks
  3. Strong knowledge of Python LangGraph/ADK frameworks
  4. Expertise in lead development (managing a dev team)
  5. Mastery of OpenID Connect and OAuth 2
  6. Mastery of suitable testing tools for agents
  7. Mastery of