s
sakibaljaber

Sakib Al Jaber

@sakibaljaber
4.8(21)

Level 1

Flutter AI Developer, Mobile App Backend and AI Chatbot Expert

Bangladesh
English
About me
Most apps fail in production. I build the ones that don't. 4 years shipping Flutter apps and NestJS backends that handle real users, real traffic, and real business operations — including a transport platform with 50+ drivers and 5,000+ active users. I also integrate AI into products that actually need it — chatbots, workflow automation, backend intelligence — not just AI for the sake of it. Clean architecture. Clear communication. You'll always know what's happening and what's next. Tell me what you're building — I'll tell you exactly what it takes to do it right.... Read more

Skills

s
sakibaljaber
Sakib Al Jaber
$35/hour
Offline • 
Average response time: 1 hour

See my services

Cross-Platform Development
I will build a flutter app with nodejs backend, admin panel and ai
5.0(12)
Cross-Platform Development
I will develop your flutter saas mvp app with nodejs backend
5.0(7)

Want to work on an hourly basis?

Tell Sakib Al Jaber what you need.

$35

/

hour

Portfolio

Work experience

Associate Software Engineer

PeopleNTech • Full-time

Jan 2023 - Dec 2024 • 1 yr 11 mos

Worked as a backend-focused software engineer building scalable APIs and automation systems for web applications. Key responsibilities: • Designed and developed RESTful APIs using Node.js and NestJS for production-grade applications • Built authentication systems including JWT login, refresh tokens, role-based access control, and secure session handling • Designed MongoDB schemas and optimized queries using Mongoose • Implemented secure file upload systems and reusable middleware/interceptors • Built modular backend architectures following clean architecture and service-based design • Developed integrations with third-party services such as email providers, messaging APIs, and automation tools • Implemented event-driven workflows for system notifications and background processing • Worked closely with frontend teams using React-based stacks to deliver complete end-to-end features • Maintained code quality with proper error handling, validation, and structured logging Technologies used: Node.js, NestJS, MongoDB, Mongoose, REST API design, JWT authentication, Redis, Docker, Git.

21 Reviews
4.8

(19)
(1)
(1)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.8
  • Quality of delivery
    4.8
  • Value of delivery
    4.8
1-5 out of 21 Reviews
Sort By
Most relevant
    N

    nayemamazhura_0

    BD

    Bangladesh

    Ongoing collaboration
    5

    Another fantastic job by Sakib! This is my second time working with him, and once again, he delivered exceptionally well. Fast, smooth, and highly professional, his coding knowledge and skills truly saved the day. Highly recommended! Looking forward to working with him again.

    $50

    Price

    7 days

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No
    N

    nayemamazhura_0

    BD

    Bangladesh

    Ongoing collaboration
    5

    Outstanding service! Communication was quick and effortless, and the level of cooperation was top-notch. The final deliverable exceeded expectations and was completed right on time. Highly recommended for anyone looking for quality work!

    $50

    Price

    2 weeks

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No
    K
    image-docs

    kay_marketing

    NG

    Nigeria

    3

    Thanks for the understanding and patience.

    $400-$600

    Price

    6 weeks

    Duration

    gig

    AI Websites & Software

    S

    Seller's Response

    Helpful?
    Yes
    No
    F
    image-docs

    fallon_mercer53

    US

    United States

    5

    Really happy with the result. The UI looks premium and the 3D version is a nice touch. Everything was delivered on time and works well. Would definitely work again.

    $50

    Price

    8 days

    Duration

    gig

    AI Websites & Software

    Helpful?
    Yes
    No
    S

    shoaibj225

    BD

    Bangladesh

    5

    Great experience working with this seller. He understands the requirement and handles everything professionally. Highly recommended. I'll definitely work with him again.

    $50

    Price

    4 days

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No