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Jeremy A.JA

Jeremy A.

CTO FullStack Developer PHP ReactJS Python AI

€720/day
7 projects
Paris, FR
15+ years

Average response time: 12 hours

Freelancer profile translated to English.
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About Jeremy

CTO / Tech Leadwith nearly **20 years of experience in web and mobile development**, I assist startups, SMEs, and large corporations in the architecture, development, and evolution of web platforms, business tools, MVPs, and artificial intelligence projects.

I have structured and managed numerous projects in various contexts (e-commerce, SaaS, AI, marketplaces, mobile), leveraging a proven mastery ofPHP/SymfonyandReactstacks. I work alone or with a small team, depending on the project's nature.

Examples of missions I undertake:

📦 Development of MVPs or robust and scalable SaaS products

🧱 Structuring your technical architecture and development workflows

🤝 Support as an outsourced CTO or interim tech lead

🤖 Integration of artificial intelligence tools: LLMs, content generation, automation

🚀 Reinforcement on critical missions: scalability, security, redesign…

I am accustomed to working in agile mode, with particular attention to **code quality**, **communication**, and **meeting deadlines**. I adapt easily to your environment: solo mission, collaboration with your teams, or coordination of a small group of developers.

📩 I respond quickly to serious inquiries. Do not hesitate to contact me to discuss your project.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Crédit Agricole IFCAM
    Lead Full-Stack Developer PHP
    BANKING AND INSURANCE
    April 2014 - April 2025 (11 years)
    Montrouge, France
    Development of Serious Games for iOS and Android tablets
    Development of an internal knowledge platform
    Management of production in the client's IT environment in relation to the IT department
    Lead of technical teams
    Web development of new features
    Ensuring development quality and code review
    Maintenance of developments
    Ensuring production deadlines
    Web Architecture Project Management PHP MySQL Git
  • Ifop
    Lead Full-Stack Developer Symfony
    CONSULTING AND AUDITS
    April 2012 - September 2021 (9 years and 6 months)
    Paris, France
    Design of an international online survey platform for the Luxury Department (B2C multi-device) in PHP Symfony:
    • Functional scoping and workshop facilitation
    • Architecture and management of data flows between external IT systems and the application platform with the implementation of an import, consolidation, backup, and archiving pipeline.
    • Asynchronous messaging system between multiple regions (SQS)
    • Management of international production (Americas, Europe, Asia) on multi-pop AWS cloud
    • Management of the technical team
    Web Architecture Amazon Web Services Symfony JavaScript AWS SQS
  • Ipsos
    Lead Full-Stack Developer PHP
    CONSULTING AND AUDITS
    March 2010 - October 2011 (1 year and 7 months)
    Paris, France
    Development of several online survey platforms
    Design of collaborative video platforms (YouTube type)
    Lead of the technical team
    Web development of new features
    Ensuring development quality and code review
    Maintenance of developments
    Ensuring production deadlines
    Web Architecture Project Management PHP MySQL JavaScript

Reviews

4.9

Out of 7 ratings

D

Davy

SAS TLG

Reviewed on 4/27/2023

Mission well executed.
G

Guy

Millon Belgique SPRL

Reviewed on 3/13/2023

Excellent service from Jeremy, who understood the issue well and proposed an intelligent and relevant solution.

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Education

  • Master in Computer Engineering
    ESI Supinfo
    2006

Skill set

Categories