Umair Siddique

@umairsiddique01
4.9(131)

Top Rated

Software Engineer specializing in Mobile Apps, Generative AI, and Agentic AI

Pakistan
English, Urdu, Hindi, Punjabi
About me
I’m a Mobile App Developer and Generative AI Engineer with 3+ years of experience building production-ready apps and intelligent AI systems. I develop cross-platform apps in Flutter and native Android apps using Kotlin and Jetpack Compose, focusing on clean architecture, performance, and smooth UX. On the AI side, I specialize in RAG, agentic AI, AI voice agents, and LLM-powered systems using Python, Flask, LangChain, LangGraph, LlamaIndex, and MCP with OpenAI, Claude, and Gemini. I deploy scalable, secure solutions on AWS and Render.... Read more

Skills

u
umairsiddique01
Umair Siddique
$25/hour
Offline • 
Average response time: 1 hour

See my services

Mobile App Customization
I will build mobile apps using flutter and flutterflow
4.9(54)
Mobile App Customization
I will develop android app using jetpack compose and kotlin
4.9(34)

Want to work on an hourly basis?

Tell Umair Siddique what you need.

$25

/

hour

Portfolio

Work experience

Top-Rated Software Engineer

Other Platform • Freelance

Jul 2024 - Present • 2 yrs 4 mos

My work on this platform has focused on Kotlin, Flutter and FlutterFlow mobile app development, along with Generative AI systems such as RAG (Retrieval-Augmented Generation), agentic AI, AI voice agents, and LLM-powered applications built using Python, Flask, LangChain, LangGraph, LlamaIndex, and MCP (Model Context Protocol) with OpenAI, Claude, and Gemini. I have contributed to production mobile applications and AI systems used by thousands of daily active users, delivering scalable, secure, and reliable solutions across the full lifecycle from system architecture to deployment on AWS, Render, Firebase, and Supabase. This experience demonstrates my ability to consistently deliver high-quality mobile apps and AI-powered systems in real-world, high-traffic environments, with strong communication, on-time delivery, and long-term client satisfaction.

Software Engineer

Terafort • Full-time

Oct 2023 - Jul 2024 • 9 mos

Worked at Terafort as a Mobile App Developer, contributing to a project similar to CamScanner with advanced document-processing features. My role included building and optimizing functionalities such as: Document scanning with auto-edge detection PDF creation and editing Merging and splitting PDFs Image enhancement and filters Scanning ID cards, business cards, and documents Exporting, sharing, and organizing files Offline processing and smooth UI/UX workflows Gained strong experience in computer-vision–driven mobile features, efficient rendering, file handling, and delivering production-ready scanning tools across Android and iOS.

Android Developer

Orbics Tech • Part-time

Oct 2022 - Mar 2023 • 5 mos

• Developed a school application similar to Google Classroom, enhancing educational accessibility and interaction. • Fetched and displayed data using REST APIs and Retrofit, ensuring efficient and reliable data retrieval. • Created intuitive and responsive user interfaces using XML layouts, enhancing user experience. • Implemented engaging Lottie animations to improve user engagement and application aesthetics. • Utilized both Java and Kotlin to build robust and maintainable code, leveraging the strengths of each language.

131 Reviews
4.9

(126)
(4)
(1)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    4.9
1-5 out of 131 Reviews
Sort By
Most relevant
    T

    tristanbmt

    US

    United States

    Ongoing collaboration
    5

    Umair has been professional, knowledgeable, and helpful throughout the development of my app. He has shown a deep understanding of FlutterFlow, APIs, deployment, and the technical issues that can come up during development, and he has been able to work through some fairly complex things along the way. I...

    $200-$400

    Price

    12 days

    Duration

    gig

    Mobile App Customization

    Helpful?
    Yes
    No
    T

    test7262

    NL

    Netherlands

    Ongoing collaboration
    5

    The seller demonstrated exceptional knowledge, clear communication, and outstanding service throughout the entire process. The work was delivered professionally, on time, and exceeded expectations. I highly recommend this seller to anyone looking for reliable, high-quality service and good work.

    $600-$800

    Price

    9 weeks

    Duration

    gig

    Custom GPT Apps

    Helpful?
    Yes
    No
    B
    image-docs

    bricechaseco

    US

    United States

    Ongoing collaboration
    5

    Umair is abosultely amazing and very appreciative of his professionalism, skills, communication, and dedication to his efforts. He fixed existing bugs/defects, built brand-new functionality, and turn-around was much quicker than expected. Definitely look forward to working with him again!!

    $400-$600

    Price

    13 days

    Duration

    gig

    Mobile App Customization

    Helpful?
    Yes
    No
    A

    angelrazo66

    US

    United States

    Ongoing collaboration
    5

    Umar did a great job on this order. He was professional, responsive, and worked through the issues and changes we had along the way. Communication was good, and he continued making adjustments until we were happy with the progress. We’ve worked with Umar on multiple parts of our project and continue...

    $200-$400

    Price

    7 days

    Duration

    gig

    Full Stack Web Applications

    Helpful?
    Yes
    No
    A

    angelrazo66

    US

    United States

    Ongoing collaboration
    5

    Umair did a great job on our project once again. He communicates well, understands what we’re trying to accomplish, and continues to work through any issues that come up during development. We’ve worked together on multiple parts of the app now, and I appreciate his patience, reliability, and willingness...

    $200-$400

    Price

    7 days

    Duration

    gig

    Automations & Agents

    Helpful?
    Yes
    No