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Jason LebretonJL

Jason Lebreton

Senior Software Engineer | Cloud Architect

€700/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jason

Hello!

For over 9 years, I have been involved in Cloud architecture, micro-services, and full-stack development projects, data modeling, today as an expert in Typescript / React / PostgreSQL & Senior Cloud Engineer / Software Architect.

Designing robust, performant, and scalable systems has always been my priority, in a human, benevolent framework and with a good dose of humor. Camaraderie is also a driver of performance. 🙂

I can assist you with:
  • Design and optimization of Cloud architectures (AWS, GCP, Azure)
  • Design and deployment of microservices and REST / GraphQL APIs
  • Industrialization of tech projects: CI/CD, Infrastructure as Code, Terraform, Kubernetes
  • Optimization of cloud costs and infrastructure performance
  • Modeling and optimization of databases (PostgreSQL, MongoDB, Redis…)
  • Integration of generative AI / LLM solutions into your existing systems
  • Coaching your teams on development best practices (code review, architecture decision records, DDD…)

Do you have an idea to materialize, a project to industrialize, or a team to upskill? Let's talk.
  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • Pagidev
    SOFTWARE DEVELOPER | DEVOPS CONSULTANT
    TECH
    February 2026 - Today (6 months)
    Toulouse, France
    Development of performance and conversion-oriented web solutions (marketing funnels, landing pages, business APIs).
    Design and implementation of scalable and secure architectures, adapted to growth challenges.

    Technical support:
    • Definition of cloud architectures (GCP / AWS)
    • Implementation of CI/CD pipelines
    • Containerization and orchestration (Docker, Kubernetes)
    • Performance optimization and monitoring
    • Code review and improvement of quality standards
    Back-End Development Front-End Development Cloud architect Load Testing Product Strategy
  • OIB Solutions
    SOFTWARE DEVELOPER | DEVOPS CONSULTANT
    BANKING AND INSURANCE
    February 2026 - Today (6 months)
    Toulouse, France
    I am assisting OIB Solutions with the development and structuring of their web projects (AWS, TypeScript, Next.js, NestJS, PostgreSQL). Design of scalable architectures, implementation of DevOps best practices (CI/CD, containerization, monitoring) and technical support for a multidisciplinary team (<10 people).
    database-management backend-service-development Front-End Development
  • OIB SOLUTIONS
    SENIOR DEVELOPER
    BANKING AND INSURANCE
    August 2025 - February 2026 (6 months)
    Toulouse, France
    Senior Developer within a small team (3 seniors, 1 junior) working on several projects related to insurance solutions and internal business needs. Design and development of full-stack applications with NestJS and Next.js, implementation of dynamic validation schemas (AJV, Autoform), performance optimization, and structuring of PostgreSQL databases. Participation in architecture choices, code review, and continuous improvement of technical standards (TypeScript).
    Back-End Development Data Modeling Front-End Development User Interface Design Product Development

Recommendations

Pascal G.PG
DD
Pascal G. and 1 other person have recommended Jason

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Education

  • HIGHER NATIONAL DIPLOMA
    IUT DE LA RÉUNION
    2018
    HIGHER NATIONAL DIPLOMA
  • HIGH SCHOOL DIPLOMA
    LYCÉE ROLAND GARROS , LE TAMPON
    2016
    HIGH SCHOOL DIPLOMA

Skill set

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