Freelancer profile translated to English.
Back to original languageAbout Jean-François
Your PHP/Symfony application is accumulating technical debt? In 2 weeks, I will provide you with a complete diagnosis and an actionable roadmap.
WHAT YOU GET
A prioritized audit report: technical debt, architecture, performance, code quality, CI/CD, security
- Actionablequick wins immediatelyby your team
- Aquantified action plan(effort / impact) for the next 3 to 6 months
- Anoral presentationof one hour with your teams or your management
HOW IT WORKS
A 30-minute scoping call, then read-only access to your repo
- Asynchronous analysis: code, architecture, CI/CD pipelines, AWS infra
- Report delivered within 2 calendar weeks. Oral presentation can be scheduled during the week.
FOR WHOM
CTO, lead dev, or executive who wants an external senior perspective before a funding round, a migration (Symfony, PHP 8.x), a refactoring, or simply to assess the state of their technical debt.
20 years of PHP/Symfony experience. AWS and Symfony certified. Creator of PhpMetrics (15M+ downloads) and AST Metrics. Audits conducted for L'Oréal, Nissan, Toyota, Ministry of the Interior. 100% remote.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- GlobalExamCTOEDUCATION AND E-LEARNINGFebruary 2025 - Today (1 year and 6 months)
Context
GlobalExam is a SaaS platform for language learning and certification preparation, used at scale by companies, schools, and training organizations.I joined the company to structure the technical organization, accelerate delivery, and industrialize the use of AI in product and data teams.The Team
Management and coaching of:- backend and frontend developers,
- data team,
- AI team,
- tech leads.
Close collaboration with product, pedagogical, and management teams (member of the executive committee).Achievements
As CTO, I:- Structured a product, AI, and data-oriented technical organization
- Created an AI research and industrialization team
- Integrated AI and LLM models to improve scoring and language level assessment
- Generalized AI usage within development teams
- Implemented automation workflows to accelerate technical operations
- Designed an event-oriented data architecture to centralize and leverage product data
- Deployed a scalable data stack for product analysis and piloting
- Supported teams on quality, delivery, and industrialization practices
Impact
- 97% reliability of level tests (±1 CEFR level)
- 20.5 days saved per month through automation and AI usage
- 70% of code generated with AI assistance
- Data bus processing over 1 million messages per day
- Better use of product data for business and pedagogical teams
Stack
PHP · Symfony · MySQL · Docker · AWS · Athena · Kinesis · Glue · Python · Torch · CI/CD · Event-driven architecture · LLM · Data pipelines · Applied AI · Agile - BlusparkCTOSOFTWARE PUBLISHINGDecember 2023 - February 2025 (1 year and 2 months)
Context
Bluspark develops SaaS solutions for local authorities and public sector entities.I joined the company during a crisis, following the sudden departure of the CEO and CTO, with the objectives of:- securing the teams,
- stabilizing delivery,
- taking over technical leadership,
- delivering a strategic project with a strong contractual deadline.
The main challenge was a critical project for the City of Rennes, with tight deadlines and reliability constraints.The Team
Management and support of:- backend and frontend developers,
- product managers,
- project teams,
- business and institutional stakeholders.
Technical and organizational coordination in a context of high operational pressure.Achievements
As CTO, I:- Took over technical leadership and reorganized product and delivery priorities
- Stabilized teams and ensured technical continuity after the management departure
- Led the delivery of a critical project for the City of Rennes with a firm deadline
- Identified and reduced key technical and organizational friction points
- Simplified certain application flows and optimized backend performance
- Accelerated delivery cycles by improving delivery and quality practices
- Supported teams on industrialization and software quality practices
- Implemented a more pragmatic organization around product priorities
Impact
- Successful delivery of the strategic project on time
- 50% reduction in application latency
- Cycle time divided by 4
- Significant improvement in delivery capacity
- Team stabilization in a critical situation
Stack
PHP · Symfony · API Platform · MySQL · Docker · CI/CD · ArgoCD · Web architecture · Software quality · Delivery · Agile - AlumnForceCTOSOFTWARE PUBLISHINGDecember 2022 - December 2023 (1 year)
Context
AlumnForce is a SaaS platform used by alumni associations, universities, and networks, with several million users and growing data volumes and traffic.I supported the company in a profound transformation of the information system to improve:- scalability,
- resilience,
- delivery speed,
- software quality,
- and the teams' ability to evolve the platform sustainably.
The Team
Collaboration with:- backend and frontend developers,
- DevOps,
- product managers,
- support and infrastructure teams,
- offshore teams
- technical and product management.
Coaching teams on architecture, quality, and industrialization practices.Achievements
As a Senior Software Engineer then CTO, I:- Led the progressive migration from monolith to a service-oriented architecture
- Implemented CQRS, DDD, and event-driven architecture practices
- Designed a resilient multi-cloud infrastructure distributed across several providers
- Industrialized the delivery cycle with CI/CD and deployment automation
- Structured software quality practices and development standards
- Deployed automated tests and quality control tools
- Coached teams on architecture, maintainability, and delivery practices
- Participated in improving the platform's performance and scaling capacity
Impact
- Over 16 million events processed per month
- Platform used by 5.5 million users
- RTO reduced from 3 weeks to 4 hours
- DORA metrics improved by +190%
- Significant reduction in technical debt
- Sustainable improvement in the quality and reliability of deliveries
Stack
PHP · Symfony · MySQL · RabbitMQ · Docker · CI/CD · Microservices · CQRS · DDD · Event-driven architecture · Automated Tests · AWS · Ansible · Terraform · Multi-cloud · DevOps · Agile
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Education
- Professional Bachelor's Degree in Website Design and Management, Computer ScienceUniversité Claude Bernard Lyon 12009Licence professionnelle Concepteur et Gestionnaire de Sites Internet, Informatique
- Bachelor's Degree in Philosophy, PhilosophyUniversité Jean Moulin (Lyon III)2008Licence de Philosophie, Philosophie
Certifications
- AWS CertifiedAWS2025