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Kevin GallaccioKG

Kevin Gallaccio

Full-Stack Developer & UI/UX Designer

€315/day
Marseille, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kevin

I am a full-stack developer (Java/Spring + React/TypeScript and Next.js) and I help teams quickly unblock their urgent tasks, in the evenings and on weekends.

👉 Micro-offers:Bug Fix Blitz, Perf Tune (Lighthouse + fixes), Stripe/Twilio Integration, Express Code Review.

Clear Process:targeted scope, prepaid, definition of "Done", concrete deliverables (PR/report + Loom), 1 revision included.

Stack:Java, Spring/Security, Hibernate, MySQL, React TS, Material UI, OAuth, Stripe, Twilio, GitHub Actions, Docker, Next.js, Claude Code ready.

Remote from Marseille, FR/EN, French invoice. Available this weekend: send the URL/repo, the bug, and your "Done".
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Portuguese

    Conversational

  • Italian

    Conversational

Remote only
Primarily works remotely

Experience

  • We Make Good Software (USA-Remote)
    Full-Stack Developer & UI/UX Designer
    TECH
    July 2024 - Today (1 year and 11 months)
    • Led the design and architecture of three AI SaaS MVPs:
    • "AI Brain App" — SME brain copy — manual ingestion and connection to services via OAuth, agent creation.
    • AI-powered assistant that helps coaches/trainers maintain audience engagement – Figma UI, Spring Boot back-end (Spring Security, JavaMail); Stripe & Twilio integrations; JUnit tests at 90%+.
    • AI-powered conversion funnel analysis tool, offering real-time metrics – Figma dashboards; real-time data via GoHighLevel API.
    • Solo development of Raiviewer (Java + Spring Boot + React TS) – code review platform via Anthropic API, sign-ups via webhooks; deployed on Railway (currently in beta at Coders Campus).
    • Weekly deliveries via Jira & GitHub Flow; SonarCloud quality control.
    Java React.js UI/UX Design Next.js Figma
  • Coders Campus
    Code Reviewer
    TECH
    August 2024 - Today (1 year and 10 months)
    • 300+ detailed code reviews (Java/Spring) delivered in <48h.
    • Video feedback of approx. 30min per student with a focus on Clean Code and DRY principles.
    • Student satisfaction +200% vs. previous benchmark.
    Java Spring boot Maven Education Code Review

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Education

  • Full-Stack Java Bootcamp
    Coders Campus
    2024
    Bootcamp Full‑Stack Java
  • Fashion Management
    George Brown College
    2009
    Fashion Management

Skill set

Categories