n
nasirkhan259

Nasir K

@nasirkhan259
5.0(104)

IoT and Backend Engineer ThingsBoard MQTT Nodejs API Integrations

United Arab Emirates
Urdu, English
About me
I build systems that move data reliably. IoT telemetry, real time platforms, and multi provider API integrations. ThingsBoard: setup, deployment, custom dashboards, rule chains, alarms. Device connectivity over MQTT, HTTP, CoAP, Modbus, LoRaWAN. Edge gateways with store and forward. Backend: Node.js, Python, Laravel, MongoDB, MySQL, REST APIs, microservices, webhook handling, retry logic, idempotency, transaction reconciliation. Infrastructure on AWS and Nginx. 10 years building for clients across UAE and GCC. I scope honestly, document as I build, and hand over systems your team can maintain.... Read more

Skills

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nasirkhan259
Nasir K
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Full Stack Web Applications
I will be your full stack developer
5.0(43)
Custom Websites
I will build scalable nodejs laravel and react applications
5.0(22)

Portfolio

Work experience

Exelero

Senior Full Stack Developer | Backend Specialist | Microservices Architect

Exelero • Self-employed

Sep 2014 - Present11 yrs 11 mos

I am a Senior Full Stack Developer with over 10 years of professional experience delivering scalable, secure, and high-performance web applications for clients worldwide. Since 2014, I have worked with startups, enterprises, and international clients across the UAE, Saudi Arabia, Europe, and beyond, building robust backend systems and modern web platforms. My core expertise includes: Backend Development using Node.js, Laravel, and Python Microservices Architecture & API Development Database Design (MongoDB, MySQL, PostgreSQL) Cloud & DevOps (AWS, Docker, CI/CD pipelines) Payment Gateway Integration (Stripe, custom gateways) Performance Optimization & System Scalability I have successfully delivered projects in: E-commerce platforms SaaS applications Real-time systems & dashboards Fintech & payment solutions AI-integrated applications I follow best practices in clean code, security, and scalability, ensuring long-term reliability of systems. I also bring strong project management experience as a PMP-certified professional, allowing me to align technical solutions with business goals. My focus is always on delivering high-quality solutions, clear communication, and long-term client satisfaction.

104 Reviews
5.0

(104)
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Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
1-5 out of 104 Reviews
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    image-docs

    manniismail

    EG

    Egypt

    Ongoing collaboration
    5

    Exceeding expectations, quick response, politeness and experienced

    $50

    Price

    2 days

    Duration

    gig

    Custom Websites

    Helpful?
    Yes
    No
    M
    image-docs

    manniismail

    EG

    Egypt

    Ongoing collaboration
    5

    Professional, polite and cooperative

    $50-$100

    Price

    2 days

    Duration

    gig

    Custom Websites

    Helpful?
    Yes
    No
    B
    image-docs

    babytahj10980

    US

    United States

    Ongoing collaboration
    5

    Very happy to assign my task with this freelancer. Communicated very well and fixed my problems quickly. Thank you.

    $50-$100

    Price

    1 day

    Duration

    gig

    Full Stack Web Applications

    Helpful?
    Yes
    No
    J

    johnalbassam

    AE

    United Arab Emirates

    Ongoing collaboration
    5

    Pro Developer Mr. Narishkan is the best full-stack developer, he is always open to communication and always delivers our requirements to exceed expectations.

    $200-$400

    Price

    2 weeks

    Duration

    gig

    Full Stack Web Applications

    Helpful?
    Yes
    No
    C

    cadziana

    CA

    Canada

    Ongoing collaboration
    5

    Reliable work, good communication

    $200-$400

    Price

    1 day

    Duration

    gig

    Custom Websites

    Helpful?
    Yes
    No