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The Hawkesbury Geek

5.0

138

8.1

99%

Kurrajong, Australia

$35 USD per hour

G'day! I'm Brett, a full-stack developer with 20+ years of hands-on experience in website design, development, mobile & desktop app development, hosting, AI-driven automation, and advanced Excel-based data and financial solutions. I went through all levels of verification by Freelancer staff providing you with reassurance that I am one of the top developers on Freelancer. I build reliable, scalable websites and applications, and I help businesses use AI in a practical way — automating repetitive work, improving customer experience, and making systems smarter without unnecessary complexity. My core tech stack includes PHP, JavaScript, Python, C/C#, and Java, along with modern frameworks, AI, APIs, and industry-standard tools. What I Do 1. Website Design Figma, PSD, and Adobe XD to Responsive Layouts using CSS, Bootstrap, Tailwind CSS 2. WordPress - Custom themes & plugins - ACF, Gutenberg, Elementor, Divi, Beaver Builder, Oxygen, WPBakery - Advanced custom forms (Gravity Forms, WPForms, Contact Form 7) 3. Website & Application Development 3.1 Next.js & Modern Web Apps - Next.js websites and applications - Server-side rendering (SSR) & API integrations - Secure, scalable architecture 3.2 Front-End - HTML, CSS, JavaScript, jQuery - React.js, Angular, Vue.js, MUI - Bootstrap, Tailwind CSS 3.3 Back-End - Node.js (Express) - PHP (Laravel, Symfony, CodeIgniter, Yii, Zend) - Python (Django, Flask, FastAPI) - C# (.NET, .NET Core) 3.4 Full-Stack - MERN & MEAN stacks - Secure APIs, authentication & integrations 4. AI & Automation - AI chatbots and assistants for websites & internal tools - OpenAI / LLM integrations (chat, content, data processing) - Smart search, filtering & AI-powered features 5. E-commerce - WooCommerce, Shopify, Magento, Prestashop, OpenCart - Custom features, integrations & performance optimisation 6. Mobile App Development (Flutter & React Native) - Cross-platform mobile app development for iOS and Android - API integration (REST, GraphQL, Firebase, etc.) - Push notifications, authentication, payments & third-party services 7. Desktop Application Development (Electron) - Cross-platform desktop apps for Windows, macOS, and Linux using Electron - Building modern, responsive desktop UI using HTML, CSS, JavaScript, React, and Node.js - API integrations for cloud-connected desktop tools 8. Excel & Finance Automation - Advanced Excel solutions (formulas, pivot tables, dashboards) - Financial modelling, forecasting & reporting tools - Data cleaning, transformation & analysis - Automation using Excel, Google Sheets & scripts (VBA / Python) - Integration with APIs, CRMs, and business systems for real-time reporting 9. Hosting & Deployment - Hosting setup, optimisation & security - Ongoing maintenance and support I'm online pretty much 24x7 so you're never going to wait long for an answer. I'm easy to chat to and extremely keen to achieve a 5/5 result for both sides, get in touch.

Backend Development ASP JavaScript Python Website Design

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Pinnacle Digital Services

4.9

6.6

100%

Wollert, Australia

$20 USD per hour

Hi, I’m Jaffer – welcome to Pinnacle Digital Services! At Pinnacle Digital Services, we specialize in crafting high-quality mobile apps, websites, and desktop applications tailored to your unique needs. Our mission is simple: to deliver innovative, results-driven solutions that go beyond expectations. By combining deep technical expertise with a client-centric approach, we ensure every project is aligned with your vision and business goals. Why Choose Pinnacle Digital Services? We’re committed to excellence in every detail. From our first conversation to final delivery and ongoing support, your satisfaction is our priority. We believe in long-term partnerships built on trust, transparency, and collaboration—helping you grow while we grow with you. Our Core Services & Expertise: Web Development Technologies: PHP, MySQL, HTML5, CSS, jQuery, Node.js, Vue.js Frameworks: CodeIgniter, Laravel, CakePHP Mobile App Development Android: Java, Kotlin iOS: Swift Desktop Application Development Languages: Java/JavaFX, C/C++, C#, Python, Matlab, Let’s Build Something Great Together Whether you're launching a startup, streamlining operations, or taking your brand to the next level, we’re ready to turn your ideas into impactful digital experiences. Have questions or a project in mind? Reach out—our dedicated team is always here to help you succeed.

Backend Development PHP C Programming Java JavaScript

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SajidaSaqira

4.9

6.7

99%

North Kellyville, Australia

$20 USD per hour

I’m an Australian-based Visual Designer, Illustrator, and Web Developer with experience delivering high-quality creative and technical solutions for businesses and brands. I specialize in graphic design and branding, including logo design, corporate identity, illustration, character and children’s book artwork, book covers, packaging, brochures, catalogs, social media creatives, infographics, and presentation design using Adobe Illustrator, Photoshop, InDesign, and XD. I also create motion graphics and 3D visuals, including animations and marketing content using After Effects and Blender. On the technical side, I provide web design and development, including frontend (HTML, JavaScript), PHP-based development, and full website builds. I work with WordPress, Shopify, Webflow, Wix, and Squarespace, including custom design, templates, and complete site development. For eCommerce, I handle Shopify and WooCommerce solutions, including store setup, customization, templates, and shopping cart integration. I also offer website optimization, audits, analytics, management, and hosting support, along with web scraping and data handling for structured data tasks. Additionally, I support brands with social media management and post design to maintain a consistent digital presence. I focus on delivering clean design, strong functionality, and performance-driven results aligned with your business goals. Let’s work together to build something impactful.

Backend Development PHP JavaScript Website Design Graphic Design

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Ashley Ben T.

4.9

5.4

100%

Lathlain, Australia

$90 USD per hour

Ash is a senior full-stack developer specialising in Amazon Web Services DevOps, Ruby on Rails, React and Natural Language-focused Machine Learning. Ash has 11 years of professional software development experience, and has worked for a number of successful Perth startups and private clients. He most recently worked with Appbot, a leading platform for app reviews & ratings analysis, where he is designed and oversaw a major AWS cloud modernisation project and built their next generation natural language insights systems. View Ash’s extensive experience on LinkedIn at https://www.linkedin.com/in/ashtyndall/, website at https://ash.id.au, Github at https://github.com/atyndall and get in touch with Ash.

Backend Development Linux Ruby on Rails Computer Security Cloud Computing

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Sahanaj A.

4.9

6.7

100%

Sydney, Australia

$50 USD per hour

We are a small team concentrating in Digital Solutions on Microsoft Dynamics 365, Salesforce CRM and SAP. We provide industry specific solutions for Manufacturing, Retail, Travel, Finance and logistic . Our Expertise in Microsoft Dynamics 365, Salesforce and SAP Financial Management Sales and Service Management Retail Management Reports and Analytics Operations Management Supply Chain Management Implementation Services –We are highly experienced in Solution Design, business requirement analysis, gap-fit analysis, functional design, prototype development and testing, user training, user acceptance testing, migration and go-live support. Support Services – We offer ongoing support service to ensure smooth running of the system. Our support service covers across all version of Microsoft Dynamics 365. Upgrade Services – We help customers who are using older versions of Microsoft Dynamics NAV and AX upgrade to the latest version of D365 FinOps and Business Central.

Backend Development ASP Java Python .NET

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Muhammad A.

4.7

5.7

97%

Perth, Australia

$50 USD per hour

I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products.

Backend Development PHP C Programming Java JavaScript

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Ren Z.

5.0

6.4

97%

Sydenham, Australia

$40 USD per hour

═════════════════════════════════════════════ LEON FRESH / REN Full-Stack Developer + UI/UX Designer · Sydney · 10+ Years Next.js · React · WordPress · AI Web Apps · SaaS · UI/UX ═════════════════════════════════════════════ One hire. Premium design and the engineering to ship it. Most web projects need two people: a designer to create a polished user experience, and a developer to build it properly. I do both. I help businesses, startups, and founders turn ideas into beautiful, fast, production-ready websites and web apps without the usual handoff problems, miscommunication, or doubled cost. I can help you with: ✅ Custom websites and landing pages ✅ Web apps, dashboards, portals, and SaaS products ✅ Next.js, React, JavaScript, HTML5/CSS3, PHP, Python ✅ WordPress design, development, fixes, and customisation ✅ AI tools, GPT/LLM integrations, automation, and Python workflows ✅ UI/UX design in Figma, Adobe XD, Photoshop, Illustrator, and InDesign ✅ Interactive experiences using Unity3D and C# Trusted by: BMW · Maserati · Sony · CeBIT Australia What makes me different: I care about both how your project looks and how it works. You get clean design, clear communication, responsive development, and a final product that feels professional instead of patched together. I also bring a strong creative and strategic background, with 35k+ YouTube subscribers and 18M+ views, giving me a real understanding of attention, content, and user engagement. If you need a developer who can think like a designer, build like an engineer, and communicate clearly from start to finish, I’d be happy to help. Let’s build something polished, functional, and ready to launch.

Backend Development PHP C Programming JavaScript Python

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Jacques L.

5.0

5.7

96%

Torquay, Australia

$80 USD per hour

Hi, my name is Jacques Leemans, I’m a full-stack developer, with over 20 years of experience in a variety of engineering fields. My main focus is end-to-end Interactive software engineering, from games to cross-platform GIS applications, design to publishing. Solutions I have worked on: ◦ Cross-platform interactive ebooks app, with a backend server and CMS ◦ GeoJSON to 3D mesh building system ◦ Mobile FPS shooter games ◦ Indoor Navigation System ◦ Vehicle tracking system ◦ Ride-sharing mobile app ◦ Turn-based digital board games ◦ 50+ Educational Games with CMS and LMS ◦ 500+ HTML5 Games ◦ 100+ Mobile Games ◦ And many more…

Backend Development Game Design C# Programming Software Architecture Unity 3D

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24Hr Agency

4.2

6.4

88%

Homebush, Australia

$50 USD per hour

Hey there. I am Rolesh, a software developer and I have a team with 8 years of experience in software development. Specifically, we have extensive experience in Web, Mobile, AI, game development. 1. Game Development Unity, Unreal Engine, Construct (WebGL, Mobile, PC Game) Multiplayer, PvP Lua, Godot, Phaser, Minecraft, Java Telegram mini game, trading bot Cinematic, Sandbox In app purchase, Playfab, photon Augmented reality, virtual reality, Metaverse Vuforia, ARCore/Kit, Zapworks, 8th wall Kinetic, Oculus 2. Mobile app development Proficient in developing cross-platform mobile applications using React Native and Flutter. 3. Web Development React.js, Three.js, Node.js, Angular.js, MongoDB Wordpress, eCommerce, Wix, Magento, Shopify Laravel, MySQL, GoLang, Django Admin dashboard 4. Artificial Intelligence, IOT Python, Django AI, ML, API Integration, OpenCV, Tensorflow 5. Blockchain Web3, Cryptocurrency, Solana, Solidity, Metatrader 6. Design UI/UX design Logo Design and Animator

Backend Development PHP Java JavaScript XML

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How to hire a great freelance Backend Developer

A backend developer is a software engineer who builds and maintains the server-side logic, databases, and APIs that power websites, mobile apps, and digital platforms. Hiring a skilled backend developer is the foundation of any product that needs to handle data, authentication, payments, or business logic at scale. Whether you are launching a SaaS product, scaling an e-commerce store, or integrating third-party services, a backend engineer ensures your application is fast, secure, and reliable under real-world traffic.

What does a backend developer do

A backend developer writes the code that runs on servers rather than in the browser. While the frontend handles what users see, the backend handles what the application actually does — processing requests, storing and retrieving data, enforcing business rules, and connecting to external services. The output is invisible to end users but defines whether your product works correctly.

Backend engineers translate product requirements into APIs, database schemas, authentication flows, and infrastructure that scales. They make decisions about architecture, performance, and security that have lasting consequences for your codebase. A strong backend developer does not just write code — they design systems that other developers can extend without breaking.

Core deliverables and services

The scope of backend work varies by project, but most freelance engagements cover a predictable set of deliverables. A clear understanding of these helps you scope the brief accurately.

RESTful APIs and GraphQL endpoints for web and mobile clients

Database design, schema modelling, and query optimization

User authentication, authorization, and role-based access control

Payment gateway integration with providers such as Stripe, PayPal, or Braintree

Third-party API integrations including CRMs, email providers, and analytics platforms

Background job processing, queues, and scheduled tasks

Cloud deployment to AWS, Google Cloud, or Azure

Containerization with Docker and orchestration with Kubernetes

CI/CD pipeline configuration for automated testing and deployment

Performance tuning, caching strategies, and load testing

Security hardening, including input validation, encryption, and OWASP compliance

Technical documentation and handover for in-house teams

Languages, frameworks, and tools

Backend development covers a wide stack. The right freelancer for your project depends on the language and framework your codebase uses, or the technical fit for a greenfield build. Common backend technologies you should expect to see on freelancer profiles include:

Node.js with Express, NestJS, or Fastify for JavaScript-based APIs

Python with Django, Flask, or FastAPI for data-heavy and ML-adjacent applications

PHP with Laravel or Symfony for content platforms and traditional web apps

Ruby on Rails for fast prototyping and SaaS products

Java with Spring Boot for enterprise-grade systems

Go for high-performance microservices

C# with .NET Core for Microsoft ecosystem projects

Databases including PostgreSQL, MySQL, MongoDB, Redis, and Elasticsearch

Cloud platforms such as AWS, Google Cloud Platform, and Microsoft Azure

DevOps tooling including Docker, Kubernetes, GitHub Actions, and Terraform

Industries and use cases

Backend developers work across virtually every digital product category. The most common engagements on Freelancer.com involve e-commerce platforms needing custom checkout logic, fintech applications requiring secure transaction processing, SaaS startups building multi-tenant architectures, and healthcare platforms handling sensitive patient data with HIPAA-aware design. Marketplaces, booking systems, and on-demand mobile apps also rely heavily on backend engineers to build matching engines, real-time notifications, and geolocation services.

Smaller businesses often hire backend developers to integrate disparate tools — connecting their CRM to their email platform, syncing inventory between Shopify and an ERP, or automating reporting workflows. Larger clients bring in freelance backend specialists for focused work such as API redesigns, database migrations, or performance audits.

How to evaluate backend developer candidates

The strongest backend engineers demonstrate not just coding ability but architectural judgement. Look for portfolios that show production systems, not just tutorials or demo apps. GitHub activity, open source contributions, and case studies describing scaling decisions are strong signals. Ask candidates to explain trade-offs they have made — a developer who can articulate why they chose PostgreSQL over MongoDB, or REST over GraphQL, for a specific project is one who will make sound decisions on yours.

Useful interview questions to ask a shortlisted backend developer:

Can you walk me through a backend system you built from scratch and the architectural decisions you made?

How do you approach designing an API that needs to be consumed by both web and mobile clients?

What is your strategy for handling database migrations on a production system without downtime?

How would you secure an endpoint that processes payments and what testing would you do before going live?

Describe a performance issue you diagnosed in a backend application and how you resolved it.

Why hire backend developers on Freelancer.com

Freelancer.com gives you access to a global pool of backend engineers across every major language and framework, from independent specialists to experienced full-stack developers. You can post a project on Freelancer.com and receive competitive bids from vetted freelancers within hours, compare portfolios side by side, and review verified ratings from past clients. The platform supports time zone flexibility, milestone-based payments, and direct chat so you can validate technical fit before committing.

Whether you need a short integration job or a multi-month build, freelancers on Freelancer.com cover the full spectrum of backend expertise. Clients set their own budgets and receive bids that reflect project scope, freelancer experience, and timeline — giving you genuine flexibility to match the engagement to your business needs.

Post a project on Freelancer.com today and connect with skilled backend developers ready to build, scale, and secure the server-side of your application.

What are the steps to hiring a freelance backend developer?

Hiring a backend developer on Freelancer.com is a structured process designed to help you find the right technical fit quickly. The clearer your brief, the better the bids you will receive. The three steps below walk you through posting your project, reviewing proposals, and awarding the work.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality — a precise brief filters for backend developers whose stack and experience genuinely match your needs. Head to the post project page to fill in the brief, scope, timeline, and budget before publishing your project for freelancers to bid on. Be specific about the language, framework, database, and any third-party services involved so candidates can self-select accurately.

The backend language and framework required, such as Node.js, Django, Laravel, or Spring Boot

The database system in use or preferred, including PostgreSQL, MySQL, or MongoDB

Specific deliverables — for example, REST API endpoints, authentication flow, or payment integration

Hosting and deployment context, whether AWS, Google Cloud, Azure, or a managed platform

Existing codebase access or whether this is a greenfield build

Realistic timeline expectations and any compliance requirements such as GDPR or PCI

Step 2: Review bids from freelancers

Bids are short proposals that reveal how the freelancer interprets your brief, what their proposed approach is, and whether the timeline they suggest is realistic. A strong backend developer will reference your specific stack, raise sensible technical questions, and outline how they would structure the work. Use Freelancer.com's chat to clarify ambiguity before shortlisting.

Look for proposals that reference your chosen language, framework, and database explicitly

Watch for clarifying questions about scaling, authentication, or third-party integrations — these signal experience

Check that the proposed timeline accounts for testing and deployment, not just coding

Review attached samples or links to GitHub repositories that show production-grade backend code

Ask candidates how they would approach a specific technical challenge from your brief

Assess written communication clarity, since backend work requires ongoing collaboration

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. Look for backend developers with consistent ratings across multiple completed projects rather than a single standout job. Portfolio depth matters more than breadth — a developer who has shipped several APIs in your stack is a safer bet than one with scattered experience.

Portfolio relevance — production backend systems in your language and framework

Star ratings combined with the volume of completed projects on the platform

Written client reviews mentioning code quality, communication, and on-time delivery

Verified payment method and high project completion rate

Evidence of testing practices, version control discipline, and documentation habits

Award the project to your chosen freelancer and use Milestone Payments to release funds as agreed deliverables are completed, protecting you throughout the engagement

How long does a backend development project take?

Timelines depend heavily on scope. A focused integration or API endpoint might take a few days, while a full backend build for a SaaS product can run several months. Most freelancers will provide an estimated timeline as part of their bid based on your brief.

What is the difference between a backend developer and a full-stack developer?

A backend developer specializes in server-side logic, databases, and APIs, while a full-stack developer works across both backend and frontend code. If your project is heavily server-side or you already have a frontend developer, a dedicated backend specialist will usually deliver deeper technical work.

Do I need a backend developer or a DevOps engineer?

Backend developers build the application code that runs on servers, while DevOps engineers focus on infrastructure, deployment pipelines, and system reliability. Many backend freelancers handle basic deployment, but for complex Kubernetes setups, multi-region architectures, or CI/CD overhauls, a DevOps specialist is the better fit.

Can I hire a backend developer for a one-off project?

Yes. Freelancer.com is well suited to single-project engagements such as building an API, integrating a payment gateway, or migrating a database. You can scope the work tightly, agree milestones, and close out the project once delivery is complete.

What should I provide before starting a backend project?

The more clarity you provide upfront, the faster the work moves. Useful inputs include product requirements, expected user load, any existing codebase or database schema, third-party services to integrate with, and your hosting environment. Even a simple architecture sketch helps freelancers scope accurately.