What types of applications can be built using Java?

Java is ideal for enterprise apps, secure backend systems, dashboards, and data-heavy tools. We use it to build scalable, high-performance software for businesses.

How long does it take to develop a custom Java app?

Simple apps can take 2–4 weeks, while complex systems may take 2–3 months or more. We provide a clear timeline during project planning.

Can you upgrade or modernise our existing Java system?

Yes. We specialise in modernising older Java applications by improving performance, updating code, and enhancing the interface.

Do you offer long-term support and maintenance?

Absolutely. We provide support plans that include monitoring, bug fixes, security updates, and feature upgrades for your Java app.

Are your Java developers based in Perth?

Yes. Our team is based in Perth and available for in-person meetings, local support, and ongoing communication.

Java App Development Perth – Scalable & Secure Business Solutions

Need a powerful, secure, and scalable application for your business? At HELLO PEOPLE, our Perth-based team specialises in custom Java app development for web platforms, backend systems, and enterprise software. We build robust applications tailored to your unique business processes — whether you're starting from scratch or upgrading a legacy system. Work with local experts who understand your goals and deliver reliable, long-term support.

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Why Choose Java for Your Business Applications?

Java is one of the most trusted and secure programming languages for building enterprise-grade applications. At HELLO PEOPLE, we use Java to develop robust, scalable, and high-performance software systems tailored to your business goals.

Enterprise-Grade Security: Java offers built-in security features ideal for handling sensitive business data and transactions.
Scalable Performance: Designed to handle growing workloads — perfect for startups to large enterprises.
Cross-Platform Deployment: Java applications can run on any operating system with minimal changes.
Backend Systems & APIs: Build powerful backends, data processing tools, and integrations with other platforms.
Long-Term Stability: Trusted by banks, governments, and corporations for decades — Java is a future-proof investment.
Cloud-Ready Architecture: Easily deploy Java apps on AWS or other cloud infrastructure for scale and flexibility.
Robust Ecosystem: Supported by a massive community and an extensive library of frameworks and tools.
Local Perth Support: Work directly with a team that understands your business and speaks your language.

Ready to Build a Powerful Java App for Your Business?

Partner with HELLO PEOPLE to develop secure, scalable, and high-performance Java applications tailored to your business needs. Whether you're upgrading legacy systems or building something new — our Perth-based team is here to help.

Call 0425 531 127

Capabilities

Our Java App Development Services

HELLO PEOPLE offers custom Java development solutions built for performance, security, and scalability. Whether you need a complex enterprise system, a secure API backend, or help modernising an older Java application — our Perth-based team is here to deliver.

Custom Java Development

We build robust and scalable Java applications tailored to your business needs — from enterprise systems to web and API solutions.

Enterprise-grade Java applications
Secure backend systems and APIs
Custom business logic and integrations

Java System Upgrades

Upgrade and refactor legacy Java systems to improve performance, security, and maintainability without full rewrites.

Codebase audits and refactoring
Performance and security enhancements
Modern UI/UX integration

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Java App Maintenance

Keep your Java application running smoothly with proactive maintenance, monitoring, and local support.

Security patches and updates
Server and performance monitoring
Ongoing technical support from our Perth team

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What Our Clients Say

Client Testimonials

“Partnering with HELLO PEOPLE has significantly transformed our business in the last 4 years with their expertise and dedication.”

— Gavin West

“Kasun and his team are highly skilled in creating innovative applications and delivering exceptional solutions for software projects.”

— Jason Stevens

“Kasun and his team are creative and always meet deadlines. They are also helpful and supportive, answering questions and providing assistance. Kasun's guidance brought new ideas to our project and inspired our team to think in new ways.”

— Roxana Aguirre

“I have learned a lot from their team even though I already know about app development. Their quick and effective issue resolution is impressive. Kasun is remarkable at identifying and solving problems quickly.”

— Nalle Yarza

“The custom quoting platform they built has saved us hours each week. Their team was professional, responsive, and delivered exactly what we needed.”

— General Manager, Perth Construction Company

“HELLO PEOPLE transformed our outdated systems into a modern, efficient platform. Their expertise in custom software development is unmatched.”

— IT Director, Retail Business

FAQs

Frequently Asked Questions About Java App Development

Have questions about working with HELLO PEOPLE for your Java app project? We've answered the most common ones below. If you need more details, our Perth team is happy to help.

Java is great for building large-scale, high-performance applications like enterprise software, API backends, financial systems, admin dashboards, and internal business tools.

It depends on the scope. Simple tools might take 2–4 weeks, while complex enterprise applications can take 2–3 months or more. We provide accurate timelines after an initial discovery session.

Yes, we specialise in upgrading legacy Java apps. We can audit your code, refactor where needed, modernise the interface, and improve performance and security without starting from scratch.

Absolutely. We offer ongoing support, performance monitoring, bug fixes, and feature enhancements to keep your Java app secure and running at peak performance.

Yes. Our core development team is based in Perth. You’ll be working directly with local experts who understand your business and are available for regular updates and in-person support if needed.