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Kevin CeriatiKC

Kevin Ceriati

Full Stack Developer

€400/day
Annecy, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kevin

Hello 👋

Freelance full stack developer, I support startups, SMEs, and project owners in the design, development, and deployment of custom web and mobile solutions.

After several years at Crédit Agricole des Savoie, where I designed business applications in a secure banking environment, I launched my freelance activity in 2023. Since then, I have supported several projects, including the design and development as CTO of a SaaS platform dedicated to health sports and workplace performance, awarded Initiative Grand Annecy.

🎯 My goal: to design high-performance, robust, and scalable tools, designed for your users.

🚀 What I can do for you:
• Technical and functional scoping, architecture, product support
• Web and mobile development (front-end and/or back-end)
• Integration of payments (Stripe), subscriptions, and access management
• SEO, performance, and accessibility (RGAA)
• Deployment, CI/CD, and evolutionary maintenance

🛠️ Technologies:
• Languages: TypeScript, JavaScript, Python, PHP
• Front-End: SvelteKit, React, Next.js, Tailwind CSS, HTML5, CSS3
• Back-End: Django, Django REST Framework, Symfony, Node.js, REST API
• Mobile: Flutter, React Native, native Android (Java)
• CMS: Custom WordPress (showcase, e-commerce), Elementor, Gutenberg
• Databases: PostgreSQL, MySQL, MongoDB (modeling, queries, optimization)
• Tools: Git, Docker, GitHub Actions (CI/CD), Stripe, Figma

Autonomous and rigorous, I evolve effectively in an agile environment (Scrum, Kanban). Each mission begins with attentive listening to your needs and continues in a spirit of collaboration and efficiency.

📞 Available to discuss your project, remotely or in person.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Annecy (up to 30km)

Experience

  • Wilive
    Full Stack Developer
    SPORTS
    July 2023 - Today (3 years and 1 month)
    Annecy, France

    Design of a multi-service SaaS platform

    • Design and development of a web solution allowing companies to finance sports and wellness activities for their members, in collaboration with partner clubs.

    Technical Architecture & Stack Used
    • Frontend: SvelteKit, Tailwind CSS, dynamic and responsive interfaces
    • Backend: Django + Django REST Framework, REST API, complex business logic, multi-role access management
    • Payment: Stripe (Checkout, Billing, Tax).
    • Database: PostgreSQL — modeling, queries, optimization
    • CI/CD & Infrastructure: Docker, GitHub Actions, cloud hosting (VPS)

    User Environments & Business Logic
    • Company Portal: management of members, budgets, credits, coverage rates, and offered activities.
    • Partner Clubs Space: creation of sessions, reservation tracking, revenue generated, profitability.
    • Members Interface: session booking, additional payment, balance consultation.
    • Administrator Space: validation of club/activity registrations, overall platform management.

    UX / UI & Product Design
    • Complete interface design in Figma: wireframes, design system, prototypes.
    • Work focused on accessibility (RGAA), responsive design, and fluid user experience.

    Key Features Developed
    • Authentication, multi-role management, and access rights
    • Real-time booking module with availability control
    • Credit system and customizable coverage rules
    • Stripe integration: Checkout, Tax, and subscription management (Billing)
    • Statistics and reporting by stakeholder (companies, clubs, admin)

    Deliverables and Responsibilities
    • Complete project management: functional analysis, technical architecture, product management, development, testing, and deployment.
    • Evolutionary maintenance, continuous performance optimization, and user support.
    Svelte Django Rest Framework Stripe Gitlab CI/CD PostgreSQL
  • Crédit Agricole des Savoie
    Full Stack Developer
    BANKING AND INSURANCE
    May 2019 - January 2022 (2 years and 7 months)
    Annecy-le-Vieux, France
    Development and maintenance of businessweb applicationsused by several departments (HR, loan management, customer relations), with a strong emphasis onreliabilityand **security**.

    Design and implementation of anative Android applicationfor member clients, improving mobile experience and customer relations.

    Optimization of internalworkflowsto automate certain tasks and reduce processing times.

    Corrective and evolutionary maintenanceof a large application portfolio (web and mobile applications).

    Work in **Agile methodology (Scrum)**: participation in ceremonies (daily, sprint review), gathering requirements from business departments, writing functional and technical specifications.

    Direct collaboration with business departments and IT, ensuring compliance with banking standards, security norms, and regulatory constraints.
    Java PHP Symfony Microsoft SQL Server Docker Angular

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Education

  • Degree in Multisupport IT Development (DIM)
    IUT Annecy-le-Vieux
    2020

Skill set

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