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Erwan MoreauEM

Erwan Moreau

Lead Fullstack Developer Angular/NodeJs NestJs

€650/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Erwan

Lead Front-End Developer Angular | 13 years of experience | Open to full-stack Node.js / NestJS

Senior developer with 13 years of experience, specializing in Angular (8 years, up to Angular 21 with signals and standalone components). I have worked as a technical lead at GRDF, Effy, and Agence du numérique (Ministry of Economy), on critical business applications within teams of 3 to 6 developers.

MY APPROACH
I deliver maintainable, tested, and documented code with a pragmatic approach. My strengths: front-end architecture (signals, standalone components), test industrialization (Vitest, Jasmine, Cypress), integration and contribution to Design Systems, and maintenance of CI/CD pipelines (GitLab, Docker, Azure, AWS).

LEADERSHIP ROLE
Beyond code, I support teams daily: code reviews, technical decisions, grooming facilitation, internal training, pair/mob programming. I have notably trained and mentored apprentice developers and led technical sessions for clients.

BACK-END SIDE
I have a solid foundation in Node.js / Express (REST API, PostgreSQL) acquired through my full-stack missions, and I am actively interested in missions involving Node.js or NestJS back-end development. This is an important area of growth for me, and the front-end/back-end TypeScript consistency allows me to be quickly operational on these stacks.

AVAILABILITY
Based in the Paris region, I work remotely, in a hybrid model, or on-site occasionally anywhere in France. I manage my company Codelyr (EURL) and am available for both long and short-term missions.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • GRDF
    Lead Front-End Developer Angular
    ENERGY AND UTILITIES
    April 2024 - February 2026 (1 year and 10 months)
    Saint-Denis, France
    Technical lead on two Angular applications for the GRDF internal portal (Software Factory Portal, Status Page), within a team of 6 developers — IT Department, Corail Team.

    My key contributions:
    -Complete redesign on Angular 21 with adoption of the latest practices (signals, signal store, standalone components)
    -Industrialization of Vitest unit tests across the entire scope
    Integration and contribution to the GRDF Design System (shared components + Storybook)
    -Maintenance of GitLab CI/CD pipelines and multi-environment deployments (Testing, Pre-production, Production)
    -Development of reusable components (skeleton loaders, breadcrumbs, advanced filters, scrollable tables)
    -Front-End support for the API Platform standard and AI configuration (Angular MCP server)
    -Transactional email templates with Inky

    Leadership role: technical decisions, code reviews, facilitation of groomings and Scrum ceremonies

    Stack: TypeScript, Angular 21, Vitest, Docker, Swagger, GitLab CI/CD, AWS, Design System, NestJs, MongoDB
    Angular Typescript Amazon Web Services Tech Lead NestJs
  • Effy
    Front-End Developer Angular
    ENVIRONMENTAL
    May 2021 - April 2024 (2 years and 11 months)
    Paris, France
    Front-End Developer on two applications of the Effy platform, the French leader in energy renovation support — team of 4 developers.
    Scope:

    Effy Pro: Angular/Ionic application for network artisans
    Individual Experience: customer portal and energy subsidy process

    My key contributions:
    -Corrective and evolutionary maintenance, regular Angular updates on both apps
    -Implementation of Pomerium SSO for cross-app authentication
    -Migration of all components to the standalone architecture
    -Unit tests (Jasmine) and end-to-end tests (Cypress)
    -Maintenance of shared internal NPM libraries
    -Integration of responsive UX mockups, architectural improvement proposals
    -Pair reviews, technical advice in grooming, Scrum ceremonies

    Stack: Angular 16, TypeScript, Ionic, NgRx, Tailwind, Cypress, Jasmine, Docker, CircleCI, GitHub
    Angular Typescript Cypress Ionic TailwindCSS
  • Agence du numérique
    Lead Full-Stack Developer Angular / Node.js
    PUBLIC SECTOR
    March 2018 - May 2021 (3 years and 2 months)
    Paris, France
    Lead Full-Stack developer on the France Très Haut Débit Extranet, a platform for managing subsidies for fiber optic deployment across the country. Team of 3 developers, from technical redesign to production launch.

    My key contributions:
    -Complete redesign: Angular front-end + Node.js/Express REST API
    -Corrective and evolutionary maintenance
    -Unit tests (Jasmine) and end-to-end tests (Cypress)
    -Infrastructure migration: Proxmox VMs → Docker / Azure
    -Setup of an internal GitLab with automated CI/CD to Azure Docker Registry
    -PostgreSQL migration
    -Creation of internal technical documentation (Team Wiki)
    -Technical training provided to the team and business client
    -Mentoring an apprentice developer, pair/mob programming workshops

    Stack: Angular, Node.js, Express, PostgreSQL, Docker, Azure, GitLab CI/CD, Swagger, Jasmine
    Docker Node.js Angular Tech Lead PostgreSQL

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Education

  • Professional Bachelor's degree in Distributed Environment Programming
    Université Paris-Sud, IUT d'Orsay
    2013
    Licence pro. Programmation en Environnement Répartis
  • University Diploma in Technology (DUT) in Communication Networks and Services
    IUT de Cergy-Pontoise
    2012
    DUT Services et Réseaux de Communication

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