I will build and modernize your scalable saas web application


Sobre este Serviço
Do you need a SaaS product that can grow without becoming difficult to maintain?
I build and modernize production-ready SaaS web applications for founders and businesses. I can develop a focused MVP or improve an existing platform, covering architecture, database design, frontend, APIs, authentication, payments, testing and deployment.
My background includes a production electronic invoicing SaaS built with about 10 microservices, API keys, webhooks, role-based access, audit logs, queues and cloud infrastructure.
I can help with:
- SaaS MVPs and business web applications
- React, Next.js, Vue, Laravel, NestJS, Go and .NET
- PostgreSQL, MySQL, SQL Server and MongoDB
- REST APIs, webhooks and third-party integrations
- AWS, Azure, Docker and CI/CD
- Performance, testing and legacy modernization
You will receive maintainable work, clear documentation and a defined delivery scope.
Please message me before ordering so I can review your requirements and recommend the right package.
Conheça mais sobre Yair Chan
You can't improve what you can't measure
- A partir deMéxico
- Membro desdedez. de 2021
- Responde em aprox.:1 hora
- Última entrega1 ano
Idiomas
Inglês, Espanhol
Meu portfólio
Outros serviços de Desenvolvimento de Software que eu ofereço
Perguntas frequentes
Can you work with my existing codebase?
Yes. I can review an existing application, identify the safest implementation path and work within its current architecture. Repository access and setup instructions are required.
Which technologies do you use?
I work with React, Next.js, Vue, Laravel, NestJS, Node.js, Go, .NET, SQL and cloud services. I choose the stack that fits the product and existing system.
Is hosting included?
Deployment can be included when it is listed in the package or purchased as an extra. Hosting accounts, domains and third-party usage fees are paid by the client.
Will I receive the source code?
Yes. You receive the source code produced for the order and concise setup or handoff documentation.
Do you provide support after delivery?
I fix defects that are within the approved scope during the revision period. Ongoing maintenance and new features can be arranged separately.
Can you sign an NDA?
Yes. Send the NDA through Fiverr before sharing confidential information.
3 avaliações deste Serviço
| (3) | ||
| (0) | ||
| (0) | ||
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Classificação detalhada
- Nível de comunicação do freelancer
- Qualidade da entrega
- Valor da entrega
Ordenar por
R rexx_ai

México
Excelente! muy bueno
US$ 50-US$ 100
$
2 semanas
Tempo
Útil?R rexx_ai

México
Muy muy bueno, recomendado ampliamente
US$ 100-US$ 200
$
3 semanas
Tempo
Útil?V 
visualsandsound

México
Working with this seller was an amazing experience! Great communication, listened to all my feedback and in the end got the website I wanted! HIGHLY RECOMMENDED!
US$ 100-US$ 200
$
Útil?
3 avaliações deste Serviço
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Classificação detalhada
- Nível de comunicação do freelancer
- Qualidade da entrega
- Valor da entrega
Ordenar por
R rexx_ai

México
Excelente! muy bueno
US$ 50-US$ 100
$
2 semanas
Tempo
Útil?R rexx_ai

México
Muy muy bueno, recomendado ampliamente
US$ 100-US$ 200
$
3 semanas
Tempo
Útil?V 
visualsandsound

México
Working with this seller was an amazing experience! Great communication, listened to all my feedback and in the end got the website I wanted! HIGHLY RECOMMENDED!
US$ 100-US$ 200
$
Útil?

