Book a consultation
About Ahmed Apps

Award-winning engineers who ship to production.

Meet the team, see the competitions we have won against international fields, and the full stack we put into production for clients.

Who you work with

Founder-led. Senior on every line of code.

The founders below scope your project, design it, build it and answer your messages personally — backed by international awards and production releases on both app stores.

Sakib Ahmed Shanto

Sakib Ahmed Shanto

Mobile & Hardware Lead

Flutter · Next.js · AWS serverless · AI/LLM integration · App Store & Play Store releases

Flutter & DartNext.js & SupabaseAWS serverlessRAG & LangChainiOS / Android releaseClean Architecture
Email GitHub LinkedIn Portfolio

Software engineer with 2+ years of experience building full stack products with Flutter, Next.js, REST APIs and PostgreSQL — and shipping them to the Google Play Store and the Apple App Store, with 4,000+ downloads across production apps.

Currently a Mobile Application Developer at iBusinessFormula. Previously the sole mobile developer on Rahiee.AI for TanAinent Global, owning the full release pipeline through Apple Review, and the full stack engineer behind the BD Vote fantasy election game for Loosely Coupled Technology.

Works across AI/LLM integration (RAG, LangChain), AWS serverless architecture (Lambda, API Gateway, DynamoDB, SNS/SQS), Docker and Linux. Silver Medalist at the International Blockchain Olympiad 2025, with an open-source library on the official Arduino Library Manager.

Experience

  1. Mobile Application Developer2026 – Present
    iBusinessFormula
    • Developing and maintaining cross-platform Flutter/Dart applications, delivering responsive, production-ready features for both Android and iOS.
    • Integrating REST APIs and backend services with clean architecture and SOLID principles for maintainable, scalable code.
    • Shipping reliable releases inside the product team through Git, code reviews and Agile workflows.
    FlutterDartREST APIsGitAndroid SDKiOS SDK
  2. Full Stack DeveloperNov. 2025 – Feb. 2026
    Loosely Coupled Technology · Contract
    • Built the fantasy game engine behind BD Vote — users draft a team of MPs from across Bangladesh and score points on the real election results.
    • Designed the data model and real-time scoring logic, and developed the full stack web app end to end with Next.js and Supabase.
    Next.jsSupabasePostgreSQLREST APIsTypeScript
  3. Flutter DeveloperAug. 2025 – Nov. 2025
    TanAinent Global UK LTD · Remote, UK
    • Sole mobile developer — built Rahiee.AI, an AI-powered HR management app, targeting both Android (Gradle, Android SDK) and iOS (Xcode, CocoaPods, iOS SDK) from a single Flutter codebase.
    • Owned the complete iOS app lifecycle: Xcode project configuration, CocoaPods dependency management, iOS provisioning profiles & signing certificates, TestFlight beta distribution, and full App Store Connect submission pipeline.
    • Navigated Apple Review policy queries (FCM vs. advertisement classification), resolved compliance blockers, and successfully shipped the app live on the Apple App Store.
    • Implemented real-time attendance tracking, employee management, schedule management, and performance analytics using Firebase Firestore & FCM push notifications.
    • Managed Google Play Console pipeline: app signing, staged rollouts, release tracks, and Play Store compliance.
    • Worked with an international team through Git, Agile/Scrum, code reviews and CI/CD; wrote integration tests and kept technical docs current.
    FlutterDartiOS SDKAndroid SDKXcodeCocoaPodsFirebaseGetXApp Store ConnectGoogle Play Console

Education

BSc in Computer Science

Islamic University of Technology (IUT) · Aug. 2022 – Sept. 2026

CGPA 3.41

Recognition

  • Silver Medal — International Blockchain Olympiad, 2025
  • Champion — Code Rush 2.0, 2024
  • 1st Position — Soccer Bot Competition, 2023
  • 1st Runner-Up — Code Rush 1.0, 2023
  • 2nd Runner-Up — Hackathon Automech, 2024
Recognition

Award-winning, judged by other people.

6 podium finishes across the team — an international silver medal, 2 championships and national hackathon results — each judged independently against open fields.

International Blockchain Olympiad
International

International Blockchain Olympiad

Silver Medal · IBCOL 2025 · Hong Kong

Selected among the top 10 global finalists and awarded Silver in the Blockchain category, representing Bangladesh on the international stage.

Sakib Ahmed Shanto · 2025

  • 1st place2024

    Code Rush 2.0

    Champion · IUT Flutter Competition

    First place in a timed Flutter build competition — designing, debugging and delivering a working app under contest conditions.

    Sakib Ahmed Shanto

  • 1st place2023

    Soccer Bot Competition

    1st Position · IEEE RAS IUT — Program Accelerator 2.0

    Built an autonomous soccer-playing robot from scratch, winning on mechanical design, circuit implementation and execution.

    Sakib Ahmed Shanto

  • 2nd place2023

    Code Rush 1.0

    1st Runner-Up · IUT Project Showcase

    Second place for a project judged on technical implementation, originality and real-world applicability.

    Sakib Ahmed Shanto

  • 3rd place2024

    Hackathon Automech

    2nd Runner-Up · IUT Hackathon

    Top three of 25 teams with RoboLink — the robot controller app that later shipped to the Play Store.

    Sakib Ahmed Shanto

  • 3rd place2026

    Robotics and IoT Project League

    2nd Runner-Up · Global Robotics and Innovation Championship

    Third place at GRIC, judged on hardware-software integration and end-to-end project execution.

    Sadia Afrin

Also ranked

  • 27th Position — Intra University Competitive Programming, 2023 · Sadia Afrin
  • 6th Position — Intra College Math Olympiad, 2019 · Sadia Afrin
Capabilities

The full stack, including the release pipeline.

Everything listed here is in production somewhere in our work — not a list of things we have read about.

Mobile engineering

One codebase, both stores, production quality.

  • Flutter2+ yrs, production apps
  • DartPrimary language
  • React NativeCross-platform builds
  • Java / KotlinAndroid native

Release & store lifecycle

The part that blocks most teams — signing, review, rollout.

  • App Store ConnectSubmission & Apple Review
  • Xcode & CocoaPodsiOS build configuration
  • TestFlightBeta distribution
  • Play ConsoleSigning, staged rollouts

Web & backend

Real systems: APIs, data models, auth and deployment.

  • Next.jsApp Router, SSR
  • React & TypeScriptTyped front ends
  • Spring BootJava REST APIs
  • Node.jsServices & APIs
  • PostgreSQLRelational modelling
  • MongoDBDocument store

Cloud & infrastructure

Auth, storage, messaging and hosting that scales with you.

  • FirebaseAuth, Firestore, FCM
  • SupabasePostgres + auth
  • AWSLambda, API Gateway, DynamoDB, SQS
  • REST APIsDesign, docs, testing

AI & agents

Grounded answers over your own data — not a chatbot wrapper.

  • RAG pipelinesChunking, embeddings, top-k
  • n8n agentsTools, memory, routing
  • LLM APIsPrompting & chaining
  • Vector databasesSemantic search
  • Python, NLP & MLRetrieval, prediction

Design & quality

Interfaces validated with users, then verified before release.

  • FigmaEnd-to-end product UI
  • Design systemsReusable, dev-ready
  • Usability testingResearch to iteration
  • Manual QAFunctional & regression

Architecture

Structure your own team can still work in two years from now.

  • Clean ArchitectureFeature-first
  • BLoC / Cubit / GetXState management
  • MVVMUI / logic separation
  • SOLID & patternsReview discipline

AR, hardware & IoT

Where software meets a device in the physical world.

  • ARCorePlatform channels, 3D
  • Arduino / ESP32ESP8266, HC-05
  • UDP & BluetoothWireless transport
Free consultation

Have a product in mind? Let's get it live.

Tell us what you are building. You get a written scope and a fixed quote — and a straight answer on what it takes to launch.

Book a free consultationSee how we work
Sakib Ahmed ShantoSadia AfrinA senior engineer replies to every enquiry within 24 hours.