I will do crm , mail system, voip development

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sayem_dev
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sayem_dev
Md. Sayem
5,0
5,0
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Sobre este Serviço

Hi, Im Sayem a Full Stack Web Developer and Team Lead, working with a talented team of experts with 4+ years of solid experience. We specialize in creating fast, secure, and scalable web applications that deliver a smooth and professional user experience.


Our main focus is to fully understand your requirements, plan the best solution, and deliver an optimized, clean-coded, and bug-free system. We also ensure strong data protection after deployment so your information stays safe even if unexpected mistakes happen.


What we build:

  • CRM systems (basic, multi-role, enterprise level)
  • Mail systems & SMTP setups
  • VoIP integrations and related solutions
  • Custom dashboards, admin panels & reporting tools
  • API integrations, automation & backend services
  • Advanced authentication, roles & permissions


Tech expertise: React.js, Next.js, Tailwind CSS, Bootstrap, jQuery, Node.js, Express.js, MongoDB, REST APIs.


If you want a reliable developer or a full team who treats your project professionally and delivers high-quality results, we are here to help you build something powerful and long-lasting.

Conheça mais sobre Md. Sayem

Md. Sayem

Full Stack Web Developer with React Node JS and Python

5,0(8)
  • A partir deBangladesh
  • Membro desdeout. de 2021
  • Última entrega3 anos
  • Idiomas

    Inglês
I’m Md. Sayem Hossain, a full-stack web developer specializing in reliable web applications and root-cause bug fixing. I work with React, Next.js, Vue, Node.js, Express, Python, Django, FastAPI, APIs, databases, and WordPress. I help diagnose frontend and backend issues, improve performance and security, integrate APIs, and build or refine features. My approach is simple: understand the problem, make the smallest safe change, test the affected workflow, and communicate clearly from start to finish. You receive clean, maintainable work and a dependable handover.

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    This dev is excellent, smart and fast! We had a serious problem with someone installing backdoor coding on our site. He was able to pin point the problem and act immediately. Highly recommend!

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    wonderful experience, he was good and super fast

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    biswajitdey467

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    5

    Very generous, Fluent in communication, and fast delivery. He understood that what I needed with few words. Very experienced in coding and WordPress. Highly recommended.

    US$ 50

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    Imagem de amostra
    Útil?
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Avaliações

8 avaliações deste Serviço
5,0

(8)
(0)
(0)
(0)
(0)
Classificação detalhada
  • Nível de comunicação do freelancer
    5
  • Recomendar a um amigo
    5
  • Serviço conforme a descrição
    5
Ordenar por
Mais relevante
  • L
    image-docs

    lote_orr25

    US

    Estados Unidos

    Colaboração contínua
    5

    Excellent work on fixing our homepage issues!

    US$ 50

    $

    Útil?
    Sim
    Não
  • L
    image-docs

    lote_orr25

    US

    Estados Unidos

    Colaboração contínua
    5

    This dev is excellent, smart and fast! We had a serious problem with someone installing backdoor coding on our site. He was able to pin point the problem and act immediately. Highly recommend!

    US$ 50

    $

    Útil?
    Sim
    Não
  • L
    image-docs

    lote_orr25

    US

    Estados Unidos

    Colaboração contínua
    5

    Spent a few hours trying to figure out our site and where others have failed, he was able to figure out the break and deactivate the harmful plugin. He is currently working on optimizing our site for mobile speed. We highly recommend.

    US$ 50

    $

    Imagem de amostra
    Útil?
    Sim
    Não
  • H
    image-docs

    harrierpictures

    IT

    Itália

    5

    wonderful experience, he was good and super fast

    US$ 50

    $

    Útil?
    Sim
    Não
  • B

    biswajitdey467

    CA

    Canadá

    5

    Very generous, Fluent in communication, and fast delivery. He understood that what I needed with few words. Very experienced in coding and WordPress. Highly recommended.

    US$ 50

    $

    Imagem de amostra
    Útil?
    Sim
    Não