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Romain GonçalvesRG

Romain Gonçalves

Senior Fullstack Web Developer (15 years of experience)

€700/day
Toulouse, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Romain

Senior Laravel developer based in Toulouse, I have been supporting product teams and technical management for 15 years on demanding web projects, from design to production.

My background:

5 years of development at Airbus as a subcontractor, then project manager / technical lead in an IT consulting firm on major accounts (CCI Paris Ile de France, Flowbird). Independent since 2019, I work for large accounts (University of Toulouse, Flowbird) as well as SMEs and startups (Aligerma, Planet Network International). Also a trainer in higher education.

What I bring:

  • Dual developer + technical lead role:I code, but I can also frame, arbitrate, and mentor a team.
  • Product expertise:15 years of designing and delivering business applications, not just managing a backlog.
  • Mastered stackin depth rather than superficially.

Stack:

  • Backend:PHP 8, Laravel (Livewire, Filament, Horizon), Symfony, NodeJS
  • Frontend:React, TypeScript, TailwindCSS
  • Data & ops:MySQL, PostgreSQL (PostGIS, TimescaleDB), Docker, Linux, CI/CD

Use of AI:

I use AI intensively in product design and development, with the posture of a tech lead managing a team of juniors: I define the need, I review, I arbitrate technical choices. Concretely, this means significantly increased velocity without sacrificing quality, maintainability, or architectural consistency. The AI produces, I remain responsible for what is delivered.

Collaboration possibilities:

  • Fixed-price projects (results-based commitment)
  • Part-time missions, 3 days/week maximum

I do not accept full-time remote missions, thank you for your understanding.
  • English

    Native or bilingual

  • Spanish

    Basic

  • German

    Basic

  • Portuguese

    Basic

Can work on-site
Toulouse (up to 50km), Cugnaux (up to 10km), Tournefeuille (up to 10km), Colomiers (up to 10km), Muret (up to 15km)

Experience

  • SAS 3RGOTECH
    Web Developer
    DIGITAL AND IT
    January 2019 - Today (7 years and 7 months)
    Toulouse, France
    My freelance consulting and development company, through which I work onscoping and digitizing business processesprojects (from large corporations to SMEs).

    Main missions:

    University of Toulouse:severalopen-sourcebusiness applications to digitize processes previously managed by email or spreadsheets. The three main ones:
    • AGAPE (Laravel, Filament): submission and tracking of funding requests for researchers. Also deployed at COMUE.
    • ERC-MAP (Symfony): data entry and consultation of complex data for a European archaeology project.
    • Expériences CCU (Laravel, Filament, TailwindCSS): management of experimental manipulations and public interface for volunteer students (the "science experiments Doctolib").
    Aligerma:support for an SME in organic/HVE3 legume processing (short supply chain) through a custom web tool (Laravel, Livewire, Filament): customer management (clients, quotes, invoices), inventory, and tracking of the transformation process with full batch traceability.

    Flowbird Group:web application (Laravel, Filament, PostgreSQL) for collecting, storing, and analyzing data from air quality sensors (CO2, O3, fine particles...). Reporting via API for purchasing clients and a web dashboard for equipped cities. High stakes in terms of volume and synchronization frequency. Migration from prototype (dedicated server) to AWS infrastructure for V1.

    Training:regular interventions in higher education institutions on development modules (PHP, Symfony, JS/TS, React, NodeJS, HTML/CSS, Algorithms), web architectures, databases, and project management.


    Stack:Laravel, Livewire, Filament, Symfony, React.js, TailwindCSS, PHPUnit, PostgreSQL, AWS
    Laravel Symfony React.js Training PHPUnit
  • Planet Network International
    Tech Lead
    TELECOMMUNICATIONS
    September 2020 - Today (5 years and 11 months)
    Labège, France
    Pioneering publisher of service quality monitoring software for mobile networks, aimed at **telecommunications regulatory authorities**, with over 10 African countries as clients. Two products in the catalog, which I manage technically:

    RPM System


    Historical platform for collecting, aggregating, and calculating KPIs (ITU standards) from raw data extracted from network equipment.
    • Product maintenance in production since my arrival: legacy PHP 5 code, 100% custom, partially object-oriented.
    • For almost a year, design and development of a complete overhaul on a modern stack: Laravel 13, Filament, Livewire, TimescaleDB, Redis, Docker, Kubernetes, job queues, covered by PHPUnit, PHPStan, Rector, and a CI/CD pipeline.
    • Major technical challenge related to data volume, timing, and rewriting dense telecommunications business logic.

    DQoS (Delivered Quality of Service)

    Web tool and mobile application (Laravel back-end, React + Capacitor front-end) that uses RPM System data. Back-office for regulators (dashboards, maps, analyses) and a public mobile application allowing citizens to consult a subset of data, report issues, and complete satisfaction surveys.


    Stack:PHP 8, Laravel, Livewire, Filament, React, TypeScript, Capacitor, PostgreSQL, TimescaleDB, Redis, Docker, Kubernetes, PHPUnit, PHPStan
    PHP Laravel Livewire React.js PostgreSQL
  • MXTRAINER
    Co-founder & Senior Full-Stack Developer
    SPORTS
    April 2023 - December 2025 (2 years and 8 months)
    Startup co-founded around a web & mobile application connecting Motocross clubs with their riders, to simplify event management. Up to100 clubs and 10,000 usersin France. Company closed due to lack of profitability; the product is now maintained voluntarily by my associate.
    I led the technical design and development of this application from end to end. Two main challenges:
    • Maintaining a cleanReact + Capacitor front-end architectureon a continuously growing product (web, iOS, and Android from a single codebase).
    *Versioning and evolving the APIwithout breaking mobile clients already deployed on the stores.


    Stack:Laravel, React.js, TypeScript, TailwindCSS, Capacitor
    Laravel React.js TailwindCSS Capacitor TypeScript

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Education

  • Computer Science Engineer
    3iL Limoges
    2011
    Spécialisation en développement web avancé TOEIC : 990/990 (Mai 2010)

Skill set

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