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NEXTON

Builds digital projects for large French firms

Tech Lead Transformation IA - Agentic Engineering

AI Application EngineeringConfirmed live in the last 24 hours
Full-timeÎle-de-France, FranceNo salary listedIn-person

About the Job

Requirements

  • A higher-education qualification equivalent to BAC+5 is required.
  • At least 7 years of experience as a Tech Lead, Lead Developer, or Staff Engineer is required.
  • Experience leading an organization's transition to Spec-Driven Development or agentic development in production, not only in a proof of concept, is required.
  • Experience evolving practices across one or more teams through mentoring, community facilitation, guilds, dojos, or shared standards is required.
  • Mastery of AI development agents such as Claude Code, Cursor, or GitHub Copilot in agent mode, or equivalent tools, is required.
  • Strong architecture experience and experience with legacy (brownfield) applications are required.
  • Experience with industrialization, including standards, tooling, and reusability, is required.

Responsibilities

  • Support multiple development teams in adopting Spec-Driven Development, partnering with developers to embed the practices sustainably.
  • Lead implementation of Spec-Driven Development on existing applications, from technical framing through production.
  • Design specification repositories and their standards as the single source of truth for each project.
  • Architect integration of AI agents into the development lifecycle for generation, testing, code review, and documentation.
  • Define tooling choices according to each project's context, including BMAD, Spec Kit, and OpenSpec.
  • Contribute to program standards for asset naming, storage, and versioning, and define needs for MCP servers.
  • Measure impacts on lead time, rework, quality, and token costs, and document lessons learned.

Desired Qualifications

  • Knowledge of Domain-Driven Design, including bounded context mapping, is a plus.

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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