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Jérôme A.JA

Jérôme A.

Software Engineer | AI-Augmented Developer

€750/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jérôme

I build things that work and last. A software craftsman who sees AI as a true collaborator, not just a tool. It helps me learn faster, explore more ideas, and stay focused on what truly matters: solving the right problem.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 10km)

Experience

  • SANOFI
    Software Engineer | AI-Augmented Developer
    September 2025 - Today (11 months)
    Paris, France
    - Fullstack Development (Next.js / TypeScript / AWS): Feature development on Next.js 16 / React 19 platforms in strict TypeScript, deployed on AWS serverless infrastructure (Amplify, CloudFront, Lambda, DynamoDB) provisioned as Infrastructure-as-Code (AWS CDK).
    - Agentic AI & Orchestration: Design of multi-agent pipelines for marketing insights generation, orchestrated via AWS Step Functions with LLM agents in tool-calling (Vercel AI SDK + Amazon Bedrock / Claude).
    - AI Augmentation: Implementation and use of code assistance tools (GitHub Copilot, custom agents/skills, Cursor) to accelerate development and standardize engineering workflows.
    - Quality, Testing & Security: AI-assisted generation of unit tests, integration of automated quality gates (SonarCloud) and SAST/SCA security scans (Checkmarx / CodeGuard).
    Next.js Typescript Amazon Web Services React Claude AI
  • FDJ
    Technical Lead
    October 2022 - September 2025 (2 years and 11 months)
    Boulogne-Billancourt, France
    Technical and strategic leadership of the site managing high traffic (18 million monthly visits).
    - Management and coordination of 4 development teams (1 back-end, 3 front-end), including weekly synchronization and ensuring deliverables.
    - Definition of software architecture, technological choices, and technical directions for new projects and evolutions.
    - Technical coaching of developers: promotion of best practices, skill development, code reviews (Merge Requests) and support for Agile teams during sprints.
    - Responsible for the application lifecycle: from API design and documentation to production deployment via CI/CD pipelines.
    - Active participation in recruitment: technical interviews and candidate evaluation.
    - Development of key features and resolution of complex technical issues.
    Next.js React.js Typescript JavaScript Jest
  • Societe Generale Corporate and Investment Banking - SGCIB
    Senior Software Engineer
    BANKING AND INSURANCE
    February 2019 - September 2022 (3 years and 7 months)
    - Technical supervision and mentoring within the Core team: dissemination of best practices, code reviews, and skill development for developers.
    - Design and development of white apps and evolutionary maintenance of the internal SG Bootstrap framework.
    - Technological watch and active R&D for the integration of new technologies in future projects.
    - Major contributions to the strategic projects Settlement, KYC, and Upskill, as well as the development and maintenance of a portfolio of 10 ancillary applications.
    - Technical coordination of 2 front-end teams and support in applying Agile methodologies.
    - Participation in the recruitment process (interviews and technical tests).
    React.js Angular Typescript JavaScript Jest

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Education

  • Master - Web Designer with Developer Option
    Institut F2I
    2015
    Master - Concepteur web option développeur
  • Bachelor's Degree in Information Systems and Telecommunications
    Université de Versailles Saint-Quentin-en-Yvelines
    2013
    Licence SIL/SISW

Skill set

Categories