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Java has created all sorts of applications that has led to revenue for some of the largest corporations in the world.
Java programmers can do wonders, and can optimize your website, app, or company in ways that you couldn’t imagine. Consult with one today at Freelancer.com

8.2
8.2
99%

Port Alfred, South Africa
$35 USD per hour
I've worked on graphics visualization software for manufacturing industry. Applications for the 3 dimensional visualization of components and robotic control routines and simulations using C/C++, Visual Basic and Power Basic. I have created simulation applications for CNC milling machines. These are machines that use a tool to modify a rectangular or cylindrical piece of material to create components, moulds...etc. I've also worked on modifying the graphics and AI of a virtual reality and 3D game engine and the creation of MRI (Magnetic Resonance Imaging) software of the kind that's used for medical imaging. Other work includes Distributed systems, O.C.R.(Optical Character Recognition) - transforming images of paper documents into useful digital data. My experience includes around 17 years of commercial experience after getting a Master's Degree in Computer Science (1'st class pass >75%). C/C++ coding, javascript, HTML5, OpenGL, WebGL, three.js and a lot of other technologies.

6.4
6.4
89%

Briza, South Africa
$45 USD per hour
Experienced software developer and solutions architect with skills across a large range of technologies. Also highly skilled in B2B and B2C marketing, including strategy, SEO & PPC. Areas of expertise include C, C++, Objective C, C#, Java, Erlang, VB, ASP, ASP.NET, Perl, Python, PHP, Android, iOS, Xamarin/MAUI, React, Rust and Node.js. Primary Skills: - Software development (Web, Mobile, Desktop & Server) - Game development - Solutions architecture - Cloud services (Amazon Web Services, Azure, Alibaba Cloud) - Systems design - System administration - Search engine optimization Additional Capabilities: - Photo & video editing - Translation & transcription - Audio production - Marketing Certifications: - AWS Solutions Architect Associate - Microsoft Certified Technology Specialist - Google Ads Search Certification Software Experience: C++, C, C#, ASP, ASP.NET, Blazor, Java, PHP, Erlang/OTP, Visual Basic, Delphi & Kylix, Perl, Pascal & Assembler (x86 & PPC), Windows, macOS, Linux, Minix (x86 & PPC), DOS, CP/M, FreeBSD, NetBSD & OpenBSD, AT&T System V, Solaris (Intel & SPARC) Java, GCC, HTML, CSS, Wireless Markup Language, JavaScript, VBScript, AJAX, Asterisk & AGI, WordPress, Laravel, Joomla, Moodle, Unreal Engine, ejabberd, PostgreSQL, MySQL, MSSQL, Oracle, Amazon Aurora & DynamoDB Academic Background: BSc Major Computing Information Systems / Minor Game Programming Level 6 Diploma in Marketing Languages: English, Dutch, Afrikaans, French

4.8
4.8
94%

Stellenbosch, South Africa
$30 USD per hour
We help businesses grow through websites, automation, marketing, and technology solutions that drive measurable results. Our focus is on creating scalable systems, improving online visibility, increasing conversions, and streamlining operations to support long-term growth. Our expertise includes: ✅ Website Development ✅ UI/UX Design ✅ WordPress & Shopify ✅ SEO & Digital Marketing ✅ Google & Meta Ads ✅ AI & Automation Systems ✅ API Integrations ✅ ChatGPT & AI Solutions ✅ Branding & Graphic Design ✅ Analytics & Business Insights We combine strategy, creativity, and technical expertise to deliver high-quality solutions that help businesses operate more efficiently and grow faster. Our team is committed to clear communication, reliable delivery, and building long-term partnerships with every client we work with. portfolio-https://dreamsitex.com/

5.8
5.8
96%

Cape town, South Africa
$25 USD per hour
We area results-driven professional Team, passionate about web design, AI integration, e-commerce, programming, marketing, and networking. My Team and I are dedicated and committed to deliver innovative and efficient solutions tailored to clients' needs. Top Skills and Strengths: ✅ Web Design : Creating responsive, user-friendly websites using WordPress, Elementor, & Tailwind CSS. ✅ Game Development: Design immersive 2D/3D using industry-std engines and interactive scripting. ✅ AI Integration: We enhance business operations, streamline processes, & improve user experiences. ✅ E-commerce: Set up,customizing WooCommerce ,Shopify for optimized product management & sales. ✅ Programming Expertise: Developing data-driven applications using HTML, CSS, JavaScript, and Python. ✅ Marketing & Lead Generation: Crafting strategies to boost engagement,conversions, CRM solutions. ✅ Networking & IT Solutions: Managing and optimizing IT infrastructures for seamless connectivity.

6.7
6.7
100%

Cape Town, South Africa
$50 USD per hour
DESIGN IS NOT JUST WHAT WE DO — IT"S WHO WE ARE. ® I’m the Founder & Creative Director of Ezra Global®️, leading a team of 15 top-tier designers, animators, and developers. Together, we create award-level branding, cinematic 3D, and high-performance websites/apps that don’t just look great , they deliver measurable results. 🔹 Full-stack powerhouse – Branding, UX/UI, 3D animation, and enterprise-grade development. 🔹 Elite creative mastery – Experts in Photoshop, Illustrator, Blender, Houdini, Unreal Engine, and Adobe Suite. 🔹 High-performance dev – React.js, Next.js, Node.js, Laravel, Flutter, React Native, Tailwind CSS. 🔹 AI-driven innovation – Midjourney, Generative AI, Copilot, advanced deployment for future-ready solutions. Clients hire me because I deliver stunning visuals, flawless functionality, and strategic impact, FAST. If you want work that commands attention and drives growth, let’s build something exceptional together.™️

6.9
6.9
97%

Lindene, Kimberley, South Africa
$25 USD per hour
BUILDING THE NEXT GENERATION OF DIGITAL SOLUTIONS. I'm the Founder & Managing Director of Interconnect BPO, leading a team of experienced developers who build modern websites, mobile applications, AI-powered solutions, business software, and interactive games for clients worldwide. 🔹 AI & Automation – AI agents, chatbots, business automation, OpenAI integrations, RAG, MCP, LangChain, and intelligent workflows. 🔹 Full Stack Development – React, Next.js, Node.js, Laravel, PHP, TypeScript, REST APIs, GraphQL, and scalable cloud-based applications. 🔹 Mobile Development – High-performance Android and iOS applications built with Flutter, Kotlin, Swift, and React Native. 🔹 Business Software – SaaS platforms, custom dashboards, ERP & CRM solutions, workflow automation, and enterprise web applications. 🔹 E-commerce Solutions – Shopify, WooCommerce, secure payment gateways, API integrations, and scalable online stores. 🔹 Game Development – Unity 2D & 3D, Roblox, multiplayer systems, mobile games, and immersive cross-platform experiences. Clients choose us because we combine clear communication, reliable project management, modern technologies, and high-quality development to deliver software that helps businesses automate, grow, and stay ahead. Whether you're building a startup, scaling an established business, or bringing a new idea to life, we're ready to turn your vision into a reliable, high-performance digital product.

4.0
4.0
95%

CENTURION, South Africa
$20 USD per hour
20+ Five-Star Reviews Whether it's a website, design, or digital support, I'm here to help businesses grow online. ✅ WordPress & Shopify Websites ✅ Landing Pages & Website Design ✅ Lead Generation & Prospect Research ✅ Virtual Assistant & Admin Support ✅ Data Entry & CRM Work ✅ SEO & Website Optimization Fast communication, clean delivery, and reliable turnaround. Send me a message, I’ll reply quickly with a clear plan and quote.

5.3
5.3
94%

Cape Town, South Africa
$120 USD per hour
I make sure my work is USERFOIL: Useful, Secure, Efficient, Robust, Flexible, Original, Interesting and Lasting. I like to get my work ultimately properly completed even if I have to work overtime. I also like to maximize the "quality delivered per unit time" of my work. I am a better solver, not a better talker. I can guarantee it will work fully and properly, but cannot guarantee it will look nice and fancy. I leave that part for the UI/UX designer! Do you want solutions that just-work, no funny issues? Do you want solutions designed and developed at superior quality within minimum time? Well here I am!

3.7
3.7
100%

Johannesburg, South Africa
$30 USD per hour
I'm very passionate about all what's related to computers, specially when it comes to programming and web design. When it comes to web design, I can help you in these fields: HTML PHP MySQL WordPress Javascript (+jQuery) CSS **************************************** I can also assist you if you need help with: Microsoft Excel, Microsoft Word, Microsoft Access ****************************************
A Java developer is a software engineer who designs, codes, tests, and maintains applications written in Java, including backend services, enterprise systems, Android apps, and high-traffic web platforms. Hiring a skilled Java developer means bringing in expertise that powers everything from banking systems to e-commerce checkouts to mobile apps used by millions.
A Java programmer builds software using the Java language and its surrounding ecosystem. The work spans server-side application logic, RESTful APIs, microservices, database integration, performance tuning, and integration with messaging systems and cloud platforms. Java engineers also write unit and integration tests, debug production issues, refactor legacy code, and deploy services into containerised environments.
Java remains one of the most widely deployed languages in enterprise software because of its stability, mature tooling, and write-once-run-anywhere portability across the JVM. A capable Java developer translates business requirements into reliable, maintainable code that scales — directly affecting product reliability, system uptime, and engineering velocity.
The Java ecosystem is broad, and strong Java engineers are fluent in the frameworks and tools that match the project type. For backend work, Spring Boot dominates, alongside Spring Data, Spring Security, and Spring Cloud. Hibernate and JPA handle persistence. Apache Kafka and RabbitMQ are standard for event-driven systems.
For builds and dependency management, expect Maven or Gradle. For IDE work, IntelliJ IDEA and Eclipse are the most common. Testing typically involves JUnit 5, Mockito, AssertJ, and Testcontainers. Observability often relies on Micrometer, Prometheus, Grafana, and the ELK stack. For cloud-native work, Java engineers commonly use Docker, Kubernetes, Helm, and AWS SDK for Java.
Java is the workhorse language for industries that demand reliability and scale. Financial services and banking firms use Java for trading systems, payment processing, and core banking platforms. Telecommunications companies rely on Java for billing and provisioning systems. E-commerce businesses build catalogue, checkout, and order management services in Java.
Healthcare, insurance, logistics, government, and large SaaS providers also lean heavily on Java engineers. Startups frequently hire Java developers for Android apps, API backends, and integrations with enterprise customers who require Java-based connectors.
Look beyond years of experience and assess depth in the parts of the ecosystem that match your project. A Java developer building a Spring Boot microservice needs different signals than one maintaining an Android codebase or a legacy Java EE monolith.
Sample interview questions you can copy and use:
Freelancer.com hosts millions of developers worldwide, including a deep pool of Java engineers spanning backend, Android, enterprise, and cloud-native specialisations. You can review verified profiles, portfolios, certifications, and client reviews before shortlisting, then compare competitive bids on your specific brief.
Whether you need a short engagement to fix a production bug, a long-term contractor to build a microservices platform, or a Java consultant to advise on architecture, you can hire on Freelancer.com with the confidence of Milestone Payments, escrow protection, and a global talent pool covering every time zone. Clients set their own budget and receive proposals from freelancers who match the scope.
Hiring the right Java engineer comes down to a clear brief, careful review of proposals, and a final evaluation grounded in profile evidence. The process below walks you through each stage so you end up with a developer whose skills match your stack, not just their bid price.
Your project post is the single biggest determinant of bid quality — a precise brief filters for Java developers whose experience genuinely matches your stack. Head to the
Bids are short proposals, not just price quotes. A strong proposal from a Java developer shows they have read your brief, understood the technical context, and have a realistic plan. Use this stage to shortlist candidates whose interpretation of the work matches yours.
The final decision combines proposal quality with profile evidence. Look for consistency across past Java work, not just one impressive sample, and weigh client reviews that speak to code quality, communication, and reliability under pressure.
Timelines depend on scope. A bug fix or small API endpoint can take a few days, while a full Spring Boot microservices build or Android app can run weeks to several months. Share your requirements in the brief so freelancers can quote realistic timelines.
Yes. Many clients post a project on Freelancer.com for short engagements such as code reviews, performance tuning, library upgrades, or migrating an application to a newer Java version. You can also hire on an hourly basis for ongoing work.
A Java developer specialises in server-side and JVM-based work, typically using Spring Boot, Hibernate, and related frameworks. A full-stack developer who works in Java handles both backend Java services and frontend technologies like React, Angular, or Vue. If your project needs UI work as well, look for Java developers with full-stack experience.
Both can build Android apps, and the two languages interoperate on the JVM. Many Android developers are fluent in both. Choose based on your existing codebase — legacy Android apps are often Java, while newer apps are typically Kotlin-first.
For implementation work, a Java developer is sufficient. If you are designing a large distributed system, choosing between microservices and monolithic patterns, or planning a multi-year platform, hiring a senior Java engineer with architecture experience or a dedicated software architect is worthwhile.

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Get some inspiration from Java projects

Game.
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Package Design.
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Music Video.
$300 USD in 12 days.

Interior Design.
$269 USD in 14 days.

Poster.
$100 USD in 3 days.

Flyer Design.
$15 USD in 1 day.

Concept Design.
$100 USD in 10 days.

Socials Post.
$50 USD in 6 days.
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