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Fiverr Pro
Português
$
USD
I will develop or improve your custom CRM
Luca
4,9
4,9
Sobre este Serviço
I help businesses fix, improve or upgrade their existing web applications and custom CRM systems.
Whether it's a broken feature, outdated architecture or a full rebuild I step in, clean things up and get them running smoothly again.
I work with modern stacks like React, Next.js, Firebase, PHP, Python and offer full integration of databases (e.g. Firestore), APIs, user authentication and dashboards.
Need automation? I also implement process flows with n8n or custom scripting where needed.
From bug fixes to complete refactoring I provide clean, maintainable code and production-ready solutions tailored to your needs.
Lets talk about whats not working and fix it properly.
Notice/Hinweis:
Ich biete meinen Service auch auf Deutsch an ich bin selbst Deutscher und arbeite sehr gern mit Unternehmen aus dem deutschsprachigen Raum zusammen.
Conheça mais sobre Luca
Luca
- A partir deAlemanha
- Membro desdefev. de 2025
- Responde em aprox.:3 horas
- Última entrega3 dias
Idiomas
Alemão, Inglês
I’m a passionate web developer with experience in JavaScript (NodeJS), PHP, Python, and SQL. I specialize in building custom websites, web applications, and backend solutions for small and medium-sized businesses.
My expertise includes:
✅ Full-stack development (Frontend & Backend)
✅ API integration & database management
✅ Website optimization & SEO best practices
I have worked on various projects, from dynamic business websites to custom web applications, always ensuring clean, efficient code and smooth user experiences.
Communication is key! I prioritize regular updates and collaboration
Meu portfólio
Perguntas frequentes
Can you work with my existing code or system?
Yes – I specialize in improving and fixing existing projects. Whether your current setup uses React, Firebase, Next.js, PHP or Python, I’ll review the codebase and work within your system. Cleanups, upgrades or feature extensions are all possible.
What do you need from me before starting?
A short project description, access to the existing code (e.g. GitHub or ZIP), and if possible a list of bugs, features or goals. Screenshots or a screen recording can also help. If you're unsure – just message me first!
Can you ensure GDPR compliance?
Yes – I follow GDPR principles when building or improving systems, especially for CRM platforms or anything involving personal data. This includes clear data structures, secure authentication, and respecting user data rights (e.g. access, deletion, consent). If you need specific legal texts (like pr
Avaliações
3 avaliações deste Serviço
| (3) | ||
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| (0) | ||
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Classificação detalhada
- Nível de comunicação do freelancer
- Qualidade da entrega
- Valor da entrega
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M menekse12
Alemanha
Sehr zuverlässig und professionell
Até US$ 50
$
3 dias
Tempo
Útil?C chris_de14
Alemanha
Die Zusammenarbeit mit Luca war sehr angenehm. Absolut kompetent, er hat für alles eine Lösung. Das Ergebnis spricht absolut für sich. Wir sind in Summe sehr zufrieden und können Luca uneingeschränkt weiterempfehlen. Mach weiter so Luca, jederzeit gerne wieder...
US$ 50-US$ 100
$
4 dias
Tempo
L 
Resposta do freelancer
Útil?S storchie
Alemanha
Luca went above and beyond our expectations. He was not only a developer, but supported us strategically during the entire app development-process. We can wholeheartedly recommend working with him.
US$ 400-US$ 600
$
4 dias
Tempo
L Resposta do freelancer
Útil?
Avaliações
3 avaliações deste Serviço
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Classificação detalhada
- Nível de comunicação do freelancer
- Qualidade da entrega
- Valor da entrega
Ordenar por
Mais relevante
M menekse12
Alemanha
Sehr zuverlässig und professionell
Até US$ 50
$
3 dias
Tempo
Útil?C chris_de14
Alemanha
Die Zusammenarbeit mit Luca war sehr angenehm. Absolut kompetent, er hat für alles eine Lösung. Das Ergebnis spricht absolut für sich. Wir sind in Summe sehr zufrieden und können Luca uneingeschränkt weiterempfehlen. Mach weiter so Luca, jederzeit gerne wieder...
US$ 50-US$ 100
$
4 dias
Tempo
L Resposta do freelancer
Útil?S storchie
Alemanha
Luca went above and beyond our expectations. He was not only a developer, but supported us strategically during the entire app development-process. We can wholeheartedly recommend working with him.
US$ 400-US$ 600
$
4 dias
Tempo
L Resposta do freelancer
Útil?
