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Martin FerretMF

Martin Ferret

Fullstack Developer | Angular | Spring Boot

€450/day
3 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Martin

Fullstack Web Developer | Angular | Spring Boot

Is your application hitting a technical ceiling?
I step in to design fast, reliable websites capable of scaling from prototype to full product.

Expert Fullstack Developerwith 6+ years of experience, I design robustAngularapplications, scalableSpring BootAPIs, and high-performance interfaces. From MVP to industrialized SaaS, I handle the entire chain: architecture, development, testing, deployment. I integrateAIinto business workflows (OpenAI, **Claude**, RAG, automations) when it adds value.

Recent Projects

CNAM– Design of an internal business tool
End-Flow- Professional offboarding tool
Solyti- Angular and Typescript Trainer for a training center
ChefsTouch– SaaS Migration and Redesign
BitterBrains– Development of an online course platform.
Ospharm– SaaS Redesign with AI automation.
Canton of Fribourg– Improvement of the Canton of Fribourg's tax platform

My Fullstack Approach

Reactive Frontend:Angular, TypeScript, NgRx, RxJS, Tailwind CSS, PrimeNG
Solid Backend:Spring Boot, Java, REST/GraphQL APIs, PostgreSQL, Kafka
Infrastructure:AWS, Docker, CI/CD, Supabase
Artificial Intelligence:OpenAI / Claude Integration, RAG, Business Automation, Chatbots, Image Generation, AI Pipelines.

Services:Custom SaaS |Angular Development|Java/Spring BootAPI |AngularMigration | AI Integration | Clean Architecture | TDD | Existing System Redesign | Design System | External API Integrations

Why work with me?
✓ Continuous delivery method
✓ Clear and regular communication
✓ Robust, scalable, and documented solutions
✓ Post-production support

→ Contact me to discuss your needs. **Fast response (within 1h)**.
  • French

    Native or bilingual

  • Spanish

    Fluent

  • English

    Fluent

Can work on-site
Paris (up to 50km), Lille (up to 50km), Lyon (up to 50km), Marseille (up to 50km), Toulouse (up to 50km)

Experience

  • CNAM
    Fullstack Web Developer Angular | Java
    PUBLIC SECTOR
    October 2025 - April 2026 (6 months)
    Barcelone, Spain
    **→ Objective**: Strengthen the reliability and performance of internal services by modernizing existing microservices and optimizing their interactions.



    **→ Challenges**: Improve data quality, streamline inter-service communication, reduce application incidents, and ensure better information system resilience.


    → Technical Stack
    Angular · TypeScript · Spring Boot · Java · Kafka · REST · CI/CD

    → My Missions
    - Modernization and optimization of microservices (Java/Spring Boot)
    - Improvement of inter-service communication (Kafka, events, API contracts)
    - Gradual upgrade of Angular front modules and legacy code refactoring
    - Implementation of best practices (code standards, structuring, performance)
    - Contribution to the consolidation of the overall architecture (scalability & resilience)
    - Strengthening observability: logs, monitoring, alerting, data quality
    - Transversal technical support for internal teams (Java & Angular)
    - Active participation in agile ceremonies and functional workshops
    - Technical recommendations to reduce debt and ensure reliable delivery cycles
    Angular Spring boot Java Spring Kafka Microservices
  • BitterBrains
    JS Certified Content Owner
    EDUCATION AND E-LEARNING
    April 2025 - Today (1 year and 2 months)
    Barcelona, Spain
    Supervision and creation of content forJavaScriptcertification

    → **Objective**: Support candidates in their skill development and preparation for official certification

    → **Challenges**: Provide effective educational materials, personalized feedback, and realistic assessment of acquired skills

    Stack & Tools Used
    JavaScript (ES6+) · HTML/CSS · Markdown

    My Missions
    - In-depth correction of certification exams with individualized feedback
    - Creation of practical exams to simulate real testing conditions
    - Design of educational content:
    - Themed quizzes, coding challenges, bug challenges
    - Technical articles and tutorials to enhance understanding
    - Contribution to the continuous improvement of the framework and evaluation criteria
    Angular Angular Developer Spring boot Microservices Typescript
  • Espai Sotabosc
    Fullstack Developer
    EDUCATION AND E-LEARNING
    February 2026 - February 2026
    Paris, France
    → Objective: Design and develop the website for Sotabosc, a Catalan nature school, to give it strong visibility, facilitate family enrollment, and showcase its outdoor educational approach.

    → Challenges:
    - Increase awareness of the school and its pedagogy among families in the Catalan region
    - Offer a warm and accessible online experience, true to the school's natural identity
    - Simplify the management of enrollments, events, and communication for the teaching team
    - Establish a solid and scalable technical foundation to support the school's growth

    → Technical Stack
    React · Next.js · TypeScript · Supabase · Tailwind CSS

    → My Missions
    - Full-stack design and development of the website
    - Creation of the visual identity and UI/UX design of the site
    - Setup of the backend and database via Supabase (authentication, enrollments, content)
    - SEO and performance optimization to maximize local visibility
    - Deployment, maintenance, and continuous evolution of the platform

    Deadline: 3 days.
    Next.js React.js Supabase Full-stack Developer Next.js Developer

Reviews

5.0

Out of 3 ratings

BérengerB

Bérenger

CTO Warmr.io - Berenger.dev

Reviewed on 3/16/2026

I've learned to distinguish between executors and true partners. Martin falls into the latter category. What I expected: a simple technical audit. What I received: a structured analysis that speaks to both technical/product teams and marketing teams. Each point raised is contextualized from a business perspective. We're not talking about abstract problems; we're talking about missed opportunities, costly user friction, and decisions to be made in a specific order to maximize impact. The deliverable is immediately actionable. No need to retranslate it, no need to reinterpret it. We know what to do, in what order, and with what priority. What convinced me from the start: Martin asks the right questions before starting. He seeks to understand the challenges, not just to tick boxes. For a leader who wants clarity and measurable ROI on their tech investments, this is exactly the profile you need. I recommend Martin without reservation.
A

Arnaud

SAS ChefsTouch

Several days project

-

Reviewed on 10/30/2025

I had the opportunity to collaborate with Martin for over four and a half months on an ambitious project, and I can only recommend him. Martin quickly established himself as a key profile: technically solid, rigorous, and highly involved in the product's success. He played a decisive role in the Angular front-end part, optimizing performance, supporting version upgrades, and ensuring the reliability of our migration processes (upgrade from version 13 to 20). Always proactive, he doesn't just execute: he understands the challenges, proposes, anticipates, and improves. He is a true professional, reliable, committed, and dedicated to delivering high-quality work. An excellent developer whom I recommend without hesitation to any team looking for an efficient, autonomous, and results-oriented profile. A big thank you for your trust and commitment, Martin!

Recommendations

Pascal DegutPD
Rachid JeffaliRJ
Sylvain BoussierSB
+2
Pascal Degut and 23 other people have recommended Martin

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Education

  • Web and Mobile Web Developer (DWWM)
    RNCP
    2022

Certifications

Skill set

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