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NEXTON

Builds digital projects for large French firms

Développeur Fullstack Senior - IA Agentique

Full-Stack EngineeringPosted on Nov 13
Full-timeParis, FranceNo salary listedIn-person

About the Job

Requirements

  • At least 9 years of experience in fullstack software development.
  • Strong proficiency in Python backend development and Angular frontend development.
  • Demonstrated experience with agentic AI architectures and familiarity with the Agno framework or an equivalent.
  • Advanced proficiency in AI-assisted development methodologies, including designing structured workflows, practicing context engineering, and constraining AI to produce reliable, secure code.
  • Demonstrated ability to lead projects end to end, from ideation and proof of concept through industrialization in a demanding environment.
  • Ability to work autonomously with rigor and adapt to changing environments.

Responsibilities

  • Design and develop complex fullstack applications using Python for the backend and Angular for the frontend.
  • Architect and implement advanced agentic AI solutions, including with the Agno framework.
  • Lead rapid proof-of-concept development to validate the technical feasibility and business value of new use cases.
  • Industrialize, deploy, scale, and maintain developed solutions.
  • Structure and secure AI-assisted development workflows by applying context engineering and model-governance best practices.
  • Contribute to technical architecture definition and advise the program leadership on technology choices and the roadmap.
  • Ensure the quality, security, and maintainability of produced code through code reviews, automated tests, and technical documentation.
  • Monitor new generative AI tools and modern development methods, and help develop the team's skills.

About the Company

NEXTON

Builds digital projects for large French firms

NEXTON plans and builds digital projects for large French companies and online businesses, combining digital strategy with software development and marketing. Its teams cover product management, user-experience design, agile delivery and data work, and build websites, mobile applications and customer communications. Clients pay for specialist consultants assigned to their teams or for projects delivered by NEXTON's own agency. The agency combines designers, developers and marketing specialists to handle projects from planning and interface design through development and delivery. Founded in Paris in 2011, NEXTON is headquartered there at 5-7 rue Saint-Fiacre and operates across France.

Company size
Not listed
Company stage
Not listed
Total funding
Not listed
Headquarters
Paris, France
Founded
2011

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