Android Developer: Expert Android Development for Australian Businesses

Android App Development

Android Developer

Build, ship and maintain Android apps on Google Play with Kotlin-first engineering, security by design and ongoing compliance. Australian-managed teams, ready in days.

Hire an Android Developer View Our Work
~70%
Global smartphone market runs Android
Up to 70%
Cost savings vs local AU agency rates
API 35
Google Play target compliance ready
Kotlin-First
Play Store Ready
Secure by Design
Melbourne HQ </> Dev Team QA Testing Play Store Kotlin Compose API 35
Trusted By
What Is an Android App Developer?

Professional Android App Development, End to End

An Android app developer designs, builds, tests and maintains native Android applications. Typically using Kotlin as the primary language, their work spans UI development with Jetpack Compose, API integrations, performance optimisation, security and privacy controls, Google Play release workflows, plus ongoing updates to meet target API and policy requirements.

For organisations, this means having a technical partner who doesn’t just write code. You need someone who ensures your app ships reliably, stays compliant as Android evolves, and performs well across the diverse range of Android devices your customers use every day. Whether you’re after a dedicated mobile app developer or a full project team, the right Android expertise makes all the difference.

Android powers around 70% of smartphones globally. Whether you’re targeting consumers, enterprises or field teams, a well-built Android app connects you with the world’s largest mobile audience.

Kotlin-First
Google’s recommended language for modern Android development. Concise, safe and fully interoperable with Java.
Jetpack Compose
Modern declarative UI toolkit that simplifies development, reduces boilerplate and makes UI testing more straightforward.
Play Store Ready
Target API compliance, data safety declarations, store listing optimisation and staged rollout workflows, all handled.
Services

Android App Development Services

From the first wireframe through to ongoing maintenance, here’s the full scope of what our mobile app development teams deliver for Android.

Kotlin-First Development
Modern, concise Kotlin code following Google’s recommended practices. Coroutines for async operations, Flow for reactive data streams, and full Java interop when you need it.
Architecture & Patterns
Clean Architecture with MVVM or MVI patterns. Dependency injection via Dagger Hilt or Koin. Modular codebase structure that scales as your app grows.
Security Implementation
Encryption at rest and in transit, Android Keystore integration, certificate pinning, biometric authentication and ProGuard/R8 obfuscation. Security baked in from the start.
Kotlin Multiplatform (KMP)
Share business logic across Android and iOS natively using Kotlin Multiplatform. Keep native UI on each platform while reducing duplication in networking, data and domain layers.
Jetpack Compose UI
Modern declarative UI development with Compose. Less boilerplate, more flexibility and a smoother developer experience that translates to faster delivery for you.
Material Design 3
Dynamic colour theming, adaptive layouts and Material You support. Your app feels native and familiar to users across the Android ecosystem.
Accessibility
TalkBack compatibility, content descriptions, focus management and scalable text. We build apps that work for everyone, not just the majority.
Adaptive Layouts
Responsive designs that work across phones, tablets, foldables and Chromebooks. Our UI/UX designers make sure your app looks great on every screen.
REST & GraphQL APIs
Seamless backend connectivity with Retrofit and OkHttp. Clean networking layers with proper error handling, caching and retry logic.
Local Data & Offline
Room database, DataStore and encrypted shared preferences. Offline-first architecture so your app keeps working even when connectivity drops out.
Firebase Suite
Crashlytics, Analytics, Remote Config, Cloud Messaging and Authentication. Real-time insights into how your app performs and how users engage.
On-Device AI (ML Kit)
ML Kit GenAI APIs powered by Gemini Nano for on-device summarisation, proofreading and image description. TensorFlow Lite for custom ML models.
Test Strategy & Planning
Comprehensive test plans covering unit, integration and UI tests. Regression cycles mapped to your release schedule for predictable quality.
Automated Testing
JUnit, Espresso and Compose Testing for automated test suites. CI/CD integration means every code change gets verified before it ships.
Device Coverage
Testing across key Android device families, screen sizes and OS versions. We catch fragmentation issues before your users do.
Performance Profiling
Startup time analysis, memory profiling, battery impact assessment and GPU rendering checks. Your app runs smoothly on budget and flagship devices alike.
Store Listing & ASO
Optimised store listings with compelling descriptions, screenshots and metadata. App Store Optimisation to improve discoverability and download rates.
Target API Compliance
Google Play now requires apps to target API level 35 (Android 15). We plan and test upgrades so your app stays visible and available to all users.
Staged Rollouts
Incremental releases to a percentage of users first. Monitor crash rates and user feedback before rolling out to everyone.
Policy Compliance
Data safety declarations, privacy policy requirements, content ratings and ad policy compliance. We handle the paperwork so your launch isn’t delayed.
OS & Dependency Updates
Regular updates for new Android versions, library upgrades and security patches. Your app stays compatible as the platform evolves.
Bug Fixes & Optimisation
Crash monitoring via Crashlytics, ANR tracking and proactive performance tuning. We fix issues before they hit your store rating.
Feature Development
New features based on user analytics, feedback and business priorities. Iterative improvements that keep your app competitive in the market.
Target API Readiness
Google updates target API requirements on a rolling schedule. We plan ahead so your app isn’t caught off guard by policy changes.
Technology

Modern Android Tech Stack

We build with the tools and frameworks recommended by Google and adopted by leading Android teams worldwide. No legacy defaults here.

Languages
Kotlin (Primary)Java (Legacy)C++ (NDK)
UI Frameworks
Jetpack ComposeMaterial Design 3View-based UI
Architecture
MVVM / MVIClean ArchitectureDagger Hilt / Koin
AI & ML
ML Kit GenAITensorFlow LiteGemini Nano SDK
Services & Tools
FirebaseGoogle MapsGoogle PayAndroid Studio
Cross-Platform
Kotlin MultiplatformCompose MultiplatformCoroutines / Flow
Industries

What We Build

Our Android developers have delivered apps across these sectors. Each one comes with its own compliance, performance and integration challenges.

FinTech & Payments
Secure mobile wallets, payment gateway integrations, transaction tracking and banking-grade encryption. Built to meet Australian financial compliance standards.
HealthTech & Wearables
Patient portals, telehealth integrations, Wear OS connectivity and health data privacy. Apps that handle sensitive data with care and meet healthcare regulations.
Logistics & Field Service
GPS tracking, offline-first data sync, route optimisation and digital forms. Built for field teams who need reliable apps even when connectivity is patchy.
Ecommerce & Marketplace
Product catalogues, real-time inventory, in-app purchases, order management and push notifications. Conversion-optimised shopping experiences on Android.
Enterprise & Workflows
Internal tools, secure portals, approval workflows, device management integration and corporate system connectivity. We’ve built similar solutions across manufacturing and other sectors.
Consumer & Lifestyle
Onboarding flows, social features, subscriptions, loyalty programmes and push engagement. Consumer apps that retain users and drive recurring revenue.
Compliance

Google Play Compliance: Target API Readiness

Google Play requires apps to target newer Android API levels on a rolling schedule. Fall behind and your app loses visibility, or worse, can’t publish updates at all.

What’s Changed?

Since August 2025, all new Android apps and updates submitted to Google Play must target Android 15 (API level 35) or higher. Existing apps that don’t comply progressively lose visibility to users on newer devices.

This isn’t a one-off change, either. Google updates these requirements annually, which means organisations that don’t plan ahead end up scrambling before each deadline. That kind of last-minute rush risks disruption to your users and your business.

Discuss Your App’s Compliance

How We Help

Proactive Upgrade Planning
We track Google’s target API schedule and plan upgrades well before deadlines. No last-minute surprises.
Behaviour Change Testing
Each new API level introduces behaviour changes. We test thoroughly to make sure nothing breaks when you target the latest SDK.
Third-Party SDK Compatibility
We verify that all your dependencies support the new API level before upgrading, preventing build failures and runtime issues down the line.
Security

Security, Privacy & Governance

Enterprise buyers need more than clean code. Here’s how we handle the governance, security and privacy side of things that procurement teams actually look for.

  • Project Governance
    Statement of Work, RACI matrix, sprint cadence, fortnightly reporting, defined escalation paths and documentation standards from day one.
  • Access Control
    Least-privilege access, environment separation (dev/staging/prod), secure credential handling and role-based permissions throughout the project.
  • Data Security
    Encryption in transit and at rest. Secure local storage using Android Keystore. Minimal sensitive data on device where possible.
  • Privacy by Design
    Collect only what’s required. Transparent purpose disclosure. SDK and consent management aligned with Australian Privacy Principles.
  • IP & Handover
    Full repo access, build pipeline documentation, signing key strategy and a structured offboarding checklist. Your code is always yours.
AreaKey Metrics We Track
Quality & StabilityCrash-free sessions, ANR rate, defect escape rate, store rating trend
DeliveryCycle time, release frequency, sprint velocity
PerformanceStartup time, screen render time, network latency
OperationsIncident rate, time to restore, monitoring coverage
Process

How We Work: Clear Process, Fewer Surprises

A predictable delivery framework from initial scoping through to ongoing support. Every step is designed to reduce risk and keep you in the loop.

1
Discovery & Scoping
We define your goals, users, risk profile and success metrics. MVP scoping, user stories and acceptance criteria before a single line of code gets written.
2
UX & Prototyping
User flows and clickable prototypes for alignment. Our UI/UX designers help you see how the app works before we build it.
3
Iterative Build
Sprint-based development with regular demos and transparent tracking. You’ll review working software every fortnight, not just at the end of the project.
4
QA & Hardening
Comprehensive testing across devices, performance checks, security review and privacy audit. We harden the app before it touches your users.
5
Google Play Release
Store listing optimisation, staged rollout, crash monitoring and policy compliance checks. A smooth, confident launch on Google Play.
6
Support & Evolution
Ongoing maintenance, OS upgrades, dependency updates, performance tuning and new feature development. Your app keeps improving well after launch day.
Comparison

The Smart Business Choice

See how Upscalix’s Australian-managed offshore model compares to hiring locally or going with a freelancer.

FeatureFreelancerLocal AU AgencyUpscalix
Cost EfficiencyLow initial, hidden risksHigh overhead Up to 70% savings*
Deployment SpeedVaries widely4-12 weeks recruitment Ready in days
Project GovernanceMinimalSOW-based SOW, RACI, sprints
Security StandardsBasicVaries AU privacy aligned
Tech StackDeveloper-dependentOften legacy Kotlin-first, Compose
Timezone AlignmentUnpredictableLocal only AEST/AEDT overlap
Team ScalabilitySingle point of failureConstrained by budget Scale up or down
IP OwnershipOften unclearContractual Full ownership, always

*Most clients see savings in the 30-50% range compared to equivalent local agency rates. Up to 70% is achievable on larger, more complex builds. Actual savings depend on scope and project requirements.

How to Engage

Flexible Engagement Models

Choose the model that fits your project scope, budget and timeline. All models include Melbourne-based project management. Learn more about how we help businesses scale confidently.

Dedicated Android Developers
Individual Kotlin and Compose specialists who integrate into your existing team and workflows. Think of them as an extension of your in-house crew.
  • Works your hours (AEST/AEDT)
  • Uses your tools and processes
  • Month-to-month flexibility
  • Direct daily communication
Project-Based Teams
A complete Android squad (dev, QA, PM) for end-to-end delivery of your app, from discovery to launch.
  • Full project ownership
  • Fixed scope and timeline
  • Sprint-based delivery
  • Melbourne PM oversight
Team Augmentation
Scale your internal Android team with additional developers during peak periods or specialist projects. Ramp up or down as the work demands.
  • Rapid onboarding
  • Your codebase, our talent
  • Scale up or down as needed
  • Knowledge transfer included
Client Stories

What Our Clients Say

YouTube video

“We specialize in AI-powered solutions for medical consultations, focused on making healthcare more efficient. Upscalix developed advanced NLP and machine learning systems that accurately transcribe consultations and deliver relevant recommendations. With ConsultNote AI, doctors can document and analyze patient interactions more efficiently, leading to a 30% increase in consultation efficiency.”

Consultnote AI
Consultnote AI
YouTube video

“We used pen and paper to manage orders and production, and a previous vendor failed to deliver. Upscalix took over, improved the system, and delivered a solution that increased our efficiency. Now our factory is fully paperless, with real-time visibility through a mobile app and dashboard. We save time, reduce admin costs, and can focus on growing the business.”

JMAX Engineering
JMAX Engineering
Quick Guide

Developer Mode on Android: What It Is and How to Enable It

Developer Options (sometimes called “developer mode”) is a hidden Android settings menu used for debugging and testing. Professional developers rely on it for USB debugging, GPU rendering analysis, performance profiling and validating app behaviour during development.

How to Enable Developer Options (Most Android Phones)

Open Settings
About Phone
Tap Build Number 7 times
Developer Options
For businesses: If you’re enabling developer mode to test a company app, that’s usually a sign you need a proper QA workflow, device coverage plan and a predictable release pipeline. That’s exactly what a dedicated Android development team provides.
FAQ

Frequently Asked Questions

An Android app developer designs, builds, tests and maintains native Android applications. Their work typically covers UI development using Jetpack Compose, backend API integrations, performance optimisation, security implementation, Google Play release workflows and ongoing updates to meet evolving target API and policy requirements. It’s a broad role that goes well beyond just writing code.
Yes. Modern Android development is Kotlin-first, and Google recommends Kotlin as the primary language for building Android apps. Over 95% of the top 1,000 Android apps use Kotlin. We also support Java for legacy codebases and C++ via NDK when native performance is needed.
Yes. We support store-ready checklists, submission workflows, staged rollouts and crash monitoring. We also plan ongoing target API upgrades so your app stays compliant as Google Play requirements evolve. The current requirement is API level 35 (Android 15).
On most Android phones: open Settings, go to About Phone, find Build Number (sometimes under Software Information), then tap Build Number seven times. You’ll see a message confirming Developer Options is enabled. Then go back to Settings, find System, and open Developer Options.
Android versions, libraries and Google Play requirements (including target API levels) change regularly. Without maintenance, apps can lose Play Store visibility, develop compatibility issues on newer devices and accumulate security vulnerabilities. Maintenance typically costs around 15 to 20 percent of the original development investment annually.
Yes. We commonly integrate Google Play Billing, Stripe, PayPal and custom payment gateways. We also work with Google Maps, Firebase Cloud Messaging for push notifications, analytics platforms and a wide range of third-party APIs and services.
Native Android development uses platform-specific tools (Kotlin, Jetpack Compose) to deliver the best performance, full access to device features and the smoothest user experience. Cross-platform frameworks like Flutter or React Native let you share code across iOS and Android but may involve trade-offs in performance or platform-specific capabilities. We also offer Kotlin Multiplatform (KMP), which lets you share business logic natively across platforms without sacrificing the native UI experience.
We create a device coverage plan based on your target market and user analytics. This typically includes testing across key device families (Samsung, Google Pixel, Xiaomi and others), multiple screen sizes, and supported Android OS versions. Automated testing with Espresso and Firebase Test Lab helps us catch issues across a wide range of configurations.
Yes. We regularly help organisations migrate legacy Java codebases to Kotlin, refactor outdated architectures and improve stability and performance. This often includes upgrading from XML-based layouts to Jetpack Compose, adopting Clean Architecture patterns and improving test coverage alongside the migration.
Android app projects typically range from tens of thousands to several hundred thousand dollars, depending on complexity, integrations and compliance requirements. Working with Upscalix’s Australian-managed offshore team delivers estimated savings of up to 70% compared to equivalent local agency rates, without compromising on governance or timezone alignment. Most clients land somewhere in the 30-50% savings range. Get in touch for a tailored estimate.
We follow security-conscious development practices informed by Australian cybersecurity standards. This includes encryption in transit and at rest, secure local storage via Android Keystore, least-privilege access controls, environment separation and privacy-by-design principles aligned with Australian Privacy Principles (APP). All projects include a structured security review before release.
Yes. We work with Google’s ML Kit GenAI APIs powered by Gemini Nano for on-device features like summarisation, proofreading, rewriting and image description. We also integrate TensorFlow Lite for custom machine learning models that run directly on the device, enhancing privacy and enabling offline AI capabilities.
We typically support Android 8.0 (API 26) and above, which covers the vast majority of active Android devices. The exact minimum SDK target depends on your user base and analytics. We always make sure apps target the latest required API level for Google Play compliance, currently API 35 (Android 15).
Simple apps typically take two to four months. Medium-complexity apps with backend integrations and multiple user roles usually require four to eight months. Complex enterprise apps with advanced features, compliance requirements and third-party integrations can take nine months or longer. We provide detailed timelines during the discovery phase based on your specific requirements.