Freelance mobile application developer

Senior Flutter, Android
& iOS
App Developer

I’m Shailendra Haldkar. I build mobile apps that connect people, businesses and devices.

13+ years of experience turning complex requirements into useful mobile products—from fintech and enterprise workflows to real-time collaboration and IoT.

Jabalpur, India Flutter / Kotlin / Swift

Industry experience

13+ years

Portfolio projects

39

Independent since

2020

Core platforms

Android + iOS

Selected work

Mobile products, real business problems.

A closer look at collaboration, fintech, enterprise security and connected-device applications.

View all 39 projects ↗

Skills & expertise

The engineering behind the experience.

A mobile-first skill set, shaped by application delivery across different industries.

01

Flutter & cross-platform apps

Shared Android and iOS experiences with reactive state, platform integrations and release-ready application flows.

Flutter · Dart · GetX

Explore related work ↗
02

Native Android & iOS

Native interfaces, platform services and mobile security for enterprise applications.

Kotlin · Java · Swift · Android SDK

Explore related work ↗
03

Real-time & connected devices

Messaging, notifications and hardware communication, with careful handling of connection and application state.

PubNub · MQTT · BLE · NFC

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04

Fintech & payment journeys

Mobile onboarding, verification, financial workflows and integrations that connect customers with business services.

KYC · NACH · Stripe · Clover SDK

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05

Enterprise applications

Workforce tools and learning experiences built around field conditions, permissions and training workflows.

HRMS · SCORM · Geolocation

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06

Delivery & technical leadership

Requirements, client collaboration, development, integration, testing and application release.

Git · Jira · Team leadership

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About & experience

From the first requirement
to the app in someone’s hands.

I’m a senior mobile application developer based in Jabalpur, Madhya Pradesh. My career began in Android development in 2012 and grew to include native iOS, Flutter, Android TV and connected-device applications.

I work with clients from requirements and application architecture through development, integration, testing and release. My experience includes real-time business messaging, financial journeys, workforce and learning platforms, marketplaces and IoT.

I have led development teams and collaborated with designers, backend engineers and hardware teams to turn complex requirements into usable mobile products.

Download my résumé ↓

B.E. in Information Technology, 2011
Bansal College of Engineering / RGTU, Bhopal

2020 — Present

Freelance Mobile Developer

Independent

2017 — 2020

Team Lead

Sukrit Technology

2017

Lead Engineer

Mark3 · Delhi

2014 — 2017

Lead Software Engineer

HCL Technologies · Noida

2012 — 2014

Android Developer

Ambrane India

Have an app in mind?

Let’s turn the requirements into a product.

Bring an idea, an existing application or a difficult integration. We can start with the problem you need to solve.

Discuss your project ↗