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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.

SaaS PHP C Programming JavaScript Python

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APIly Tech

5.0

6.1

100%

Glen Huntly, Australia

$40 USD per hour

At APIly Tech, we’re not just a digital agency – we’re creators, problem solvers, and partners in your success. Proudly Australian, we combine creativity, technology, and a human touch to deliver tailored solutions. Comprehensive Software Development: Proficient in .NET, Azure, Power Automate, Java Springboot, Angular, React, MS SQL, MySQL, Terraform, Bicep, Azure DevOps, and GitHub Actions. We build reliable systems that adapt and grow with your needs. Versatile Website Development: Developing E-commerce, LMS, booking platforms, and more with WordPress, Shopify, Squarespace, React, PHP, HTML, CSS, and JavaScript. Creative Graphic Design: Crafting logos, print materials, infographics, and web designs using Adobe Illustrator, Photoshop, InDesign, Lightroom, Figma, and Adobe XD. At APIly Tech, we don’t just work on projects – we build lasting partnerships. Let’s create something exceptional, together.

SaaS PHP .NET Website Design Graphic Design

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Sajat Prasad S.

5.0

5.4

100%

banya, Australia

$50 USD per hour

Exceeding expectations. Building products that move businesses forward. As I'm a senior software engineer, I led a full-stack software engineering team focused on delivering scalable, high-performance digital products across web, mobile, cloud, AI, and automation platforms. I help startups, growing businesses, and product teams design, build, and scale production-ready applications with modern architecture and practical AI integration. With 7+ years of hands-on engineering experience and a broader team with 10+ years delivering digital products, we build software that is scalable, maintainable, secure, and aligned with business outcomes from day one. From architecture and MVP development to deployment and long-term scaling, we focus on turning ideas into reliable products that improve operations, automate workflows, and create better user experiences. What We Deliver AI-powered business automation and workflow systems Custom web applications and SaaS platforms Cross-platform mobile applications Scalable backend systems, APIs, and cloud architecture E-commerce solutions with Shopify, BigCommerce, WooCommerce, and Magento Product optimization, testing, monitoring, and CI/CD UI/UX-focused product development Blockchain and dApp product development AI & Automation Expertise I specialize in applying AI where it creates measurable product value: Intelligent workflow automation LLM-powered assistants and conversational systems Recommendation engines and personalization Predictive analytics and data-driven product features Integration with OpenAI APIs and custom ML services End-to-end AI pipelines from data processing to deployment Core Strengths End-to-end ownership From product planning and system architecture to deployment and scaling. Scalable architecture Built for performance, maintainability, and long-term growth. Business-first engineering Technology choices focused on speed, cost-efficiency, and product outcomes. Reliable execution Clear communication, clean code, and practical delivery. If you need a software engineer that can architect, build, and scale modern digital products — while integrating practical AI capabilities where they create real business value — I'm ready to help. Thanks

SaaS PHP Java JavaScript Python

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Jaison V.

5.0

1.6

50%

Melbourne, Australia

$25 USD per hour

Highly accomplished Senior-level Full-Stack Developer and R&D Engineer with over 20 years of progressive experience designing, architecting, and deploying enterprise-grade software solutions. 📌 Specialized in modern .NET ecosystems, robust front-end frameworks (Angular, React), and scalable cloud infrastructure (Azure, AWS) across the healthcare, e-commerce, and high-precision laboratory instrumentation sectors. 💪 Proven track record driving complex architectural transitions, executing seamless cloud migrations, and establishing modern distributed systems. Expert in implementing Domain-Driven Design (DDD), Clean Architecture, and CQRS patterns within fast-paced, high-performing engineering teams. Recognized for bridging the gap between cloud-connected web layers and low-latency hardware/firmware interfaces, ensuring full-lifecycle ownership from business requirements to production deployment. 🏗 CORE ARCHITECTURAL FOCUS Distributed Systems: Microservices, event-driven design, serverless architectures, and multi-tenant SaaS. Modern Engineering Practices: SOLID principles, Clean Architecture, Test-Driven Development (TDD). Data & Analytics Integration: Designing strict engineering standards for massive warehouse pipelines (Snowflake) and enterprise relational models. Leadership & Delivery: Facilitating Agile methodologies (Scrum, Kanban, Spotify Scrum Model) and cross-functional team collaboration.

SaaS PHP Java JavaScript XML

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Marco S.

5.0

0.0

100%

Melbourne, Australia

$40 USD per hour

Hello and thank you for visiting my profile! I'm Marco Sacco. I specialise in B2B and SaaS marketing for service-based businesses in Australia and New Zealand. I love helping business owners establish their digital presence and generate more leads. Clients enjoy working with me because my approach is simple yet powerful: I treat their businesses as if they were my own. I offer services in the following areas: Marketing Strategy, Lead Generation, and Content Marketing. I also collaborate with an excellent web developer and graphic designer. I don’t work with e-commerce or B2C businesses . I focus exclusively on businesses that provide services to other businesses, particularly in the software and tech space. I’d be happy to provide more details and tailor my services to your business’s needs. Thank you for reading, and feel free to reach out with any questions or requests for additional information. Marco Sacco

SaaS Graphic Design Internet Marketing Logo Design Project Management

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Joseph A.

5.0

2.0

100%

sydney, Australia

$30 USD per hour

I am a Full Stack Developer with over 9 years of experience building scalable web applications, SaaS platforms, e-commerce solutions, and custom business systems. I specialize in developing high-performance applications from concept to deployment, helping startups, agencies, and businesses turn ideas into reliable digital products. My expertise covers frontend and backend development, API integrations, database design, cloud deployment, and ongoing maintenance. WHAT I CAN HELP YOU WITH Full Stack Web Development Custom Web Applications SaaS Platform Development React.js & Next.js Applications Node.js & Python Backend Development REST API Development GraphQL Development Third-Party API Integration Shopify Store Development & Customization Shopify App Development Dashboard & Admin Panel Development Database Design & Optimization AWS Cloud Deployment Docker & CI/CD Setup Website Performance Optimization Bug Fixes & Maintenance TECHNICAL SKILLS React.js Next.js TypeScript JavaScript HTML5 CSS3 Tailwind CSS Bootstrap Node.js Express.js Python REST APIs GraphQL PostgreSQL MySQL MongoDB Redis AWS Docker CI/CD Git GitHub Linux Shopify Shopify App Development Shopify Theme Customization WooCommerce Payment Gateway Integration WHY WORK WITH ME 7+ Years of Professional Experience Clean and Maintainable Code Strong Problem-Solving Skills Fast Communication Reliable Delivery Attention to Detail Long-Term Support Client-Focused Approach I am committed to delivering high-quality solutions that meet business requirements and exceed client expectations. Let's discuss your project and build something great together.

SaaS PHP JavaScript Python SQL

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How to hire a great freelance SaaS Developer

A SaaS developer builds, deploys, and maintains cloud-based software applications delivered to users on a subscription basis through a web browser or API. These engineers combine full-stack development, multi-tenant architecture, and cloud infrastructure expertise to ship scalable products that thousands of customers can use simultaneously without installing anything locally.

What does a SaaS developer do

A SaaS developer designs and codes the front end, back end, database layer, and cloud infrastructure that power software-as-a-service products. Unlike traditional desktop developers, a SaaS engineer must account for multi-tenancy, recurring billing, user authentication at scale, uptime monitoring, and continuous deployment pipelines.

The output is typically a web application served from the cloud, accessed through subscription tiers, and updated continuously without user intervention. Commercially, a strong SaaS developer shortens time to market, lowers infrastructure costs through smart architecture choices, and builds the recurring-revenue product that becomes the core asset of the business.

Core deliverables of a SaaS development project

The exact scope depends on whether you are building from scratch, scaling an MVP, or extending an existing platform. A capable SaaS engineer can handle the full lifecycle or plug into a defined slice of it.

MVP development for a new SaaS product, including front-end UI, REST or GraphQL APIs, and database schema

Multi-tenant architecture with row-level security or schema-per-tenant isolation

User authentication, role-based access control, single sign-on, and OAuth integrations

Subscription billing integration with Stripe, Paddle, or Chargebee, including trials, upgrades, and dunning

Admin dashboards, customer-facing analytics, and reporting modules

Third-party API integrations and webhook handling

CI/CD pipelines, automated testing, and zero-downtime deployments

Cloud infrastructure setup on AWS, Google Cloud, or Microsoft Azure

Performance optimization, caching layers, and database indexing for scale

Security hardening, GDPR compliance, and SOC 2 readiness preparation

Tools, frameworks, and platforms SaaS developers use

Buyers should match the candidate's stack to the product roadmap. Some stacks are better suited to rapid iteration, others to high-throughput data workloads.

Front-end frameworks: React, Next.js, Vue.js, Angular, Svelte

Back-end frameworks: Node.js, Express, NestJS, Django, Ruby on Rails, Laravel, Spring Boot, .NET

Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB

Cloud platforms: AWS (EC2, Lambda, RDS, S3), Google Cloud Platform, Microsoft Azure, DigitalOcean, Vercel

Containers and orchestration: Docker, Kubernetes, ECS

Payments and billing: Stripe, Paddle, Chargebee, RevenueCat

Authentication: Auth0, Clerk, Firebase Auth, Cognito

Monitoring and observability: Datadog, Sentry, New Relic, Grafana

DevOps: GitHub Actions, GitLab CI, Terraform, Pulumi

Industries and use cases

SaaS development cuts across nearly every B2B and B2C vertical. Common project types include CRM platforms, project management tools, marketing automation suites, fintech and accounting software, HR and payroll systems, healthcare and telemedicine platforms, e-learning portals, logistics dashboards, and vertical SaaS for niches like real estate, legal, or construction. Indie founders, venture-backed startups, and enterprise IT teams all hire SaaS engineers, often alongside adjacent specialists in UI/UX design, DevOps, product management, and technical SEO.

How to evaluate SaaS developer candidates

The best SaaS engineers show evidence of shipping production applications that handle real users, not just tutorials or one-off prototypes. Look for portfolios with live links, GitHub repositories, and case studies that describe architectural decisions and trade-offs.

Production experience with at least one launched SaaS product, ideally with paying customers

Demonstrated knowledge of multi-tenancy patterns and data isolation

Familiarity with subscription billing edge cases: proration, refunds, failed payments, plan changes

Track record with cloud infrastructure and infrastructure-as-code

Strong testing discipline: unit, integration, and end-to-end tests

Communication skills, especially around scoping, estimation, and async updates

Useful interview questions to copy and use:

Walk me through the architecture of a SaaS product you shipped. How did you handle multi-tenancy?

How would you design a subscription billing flow that supports trials, upgrades, downgrades, and proration?

What is your approach to preventing one tenant's data from leaking into another tenant's queries?

How do you set up CI/CD for a SaaS app to deploy without downtime?

Describe a performance bottleneck you debugged in production and how you resolved it.

Why hire SaaS developers on Freelancer.com

Freelancer.com gives you access to a global pool of vetted SaaS engineers across every major stack, time zone, and price point. You can review portfolios, certifications, and verified client reviews before shortlisting, then compare bids that reflect realistic scoping rather than fixed agency rates. Whether you need a solo full-stack developer to build an MVP or a small team to scale an existing platform, you will find specialists ready to start. Clients on Freelancer.com set their own budgets and receive competitive bids, and Milestone Payments protect funds until work is approved. Millions of freelancers on Freelancer.com cover adjacent skills like UI/UX, DevOps, and QA, so you can assemble a complete delivery team without leaving the platform.

Ready to build or scale your product? Post a project on Freelancer.com today and connect with skilled SaaS developers ready to deliver.

What are the steps to hiring a freelance SaaS developer?

Hiring the right SaaS engineer comes down to writing a brief that filters for production experience and matching the candidate's stack to your product roadmap. The process below walks through posting your project, reviewing proposals, and awarding the work with confidence.

Step 1: Post your project on Freelancer.com

The brief is the single biggest determinant of bid quality. A vague request attracts generalists, while a specific brief attracts SaaS engineers whose experience genuinely matches your stack and stage. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Describe the product: what it does, who it serves, and whether you are building an MVP or scaling an existing app

List required tech stack preferences, such as React, Node.js, PostgreSQL, AWS, or Stripe

Specify multi-tenancy requirements, expected user load, and any compliance needs (GDPR, HIPAA, SOC 2)

Define deliverables: source code repository, deployed staging environment, technical documentation, handover

Note timeline expectations, milestone breakpoints, and budget range

Step 2: Review bids from freelancers

Bids are short proposals revealing how each developer interprets your brief, what architecture they would propose, and what timeline they consider realistic. Read past the price line and look for engineers who ask sharp clarifying questions about scope, scale, and edge cases. The strongest SaaS proposals reference comparable projects shipped before.

Look for proposals that reference specific frameworks, cloud services, and billing platforms relevant to your build

Note who raises questions about multi-tenancy, authentication strategy, or scale that you had not addressed

Check whether sample work links to live SaaS products, GitHub repositories, or detailed case studies

Assess timeline realism — bids that promise a full product in a fraction of expected time are usually red flags

Use Freelancer.com's chat to ask shortlisted candidates about their architectural approach before deciding

Step 3: Evaluate freelancers and award the project

Final selection combines proposal quality with profile evidence. Review portfolio depth, ratings, written reviews, and completion history — consistency across many projects matters more than one standout example. For SaaS work, weight engineers who show repeated production launches and positive reviews mentioning reliability and clean handover.

Examine portfolio links for live SaaS products, GitHub activity, and documented case studies

Check star ratings together with the number of completed projects to gauge consistency

Read written client reviews for mentions of code quality, communication, and on-time delivery

Confirm verified payment method, completion rate, and on-time delivery percentages on the profile

Award the project and use Freelancer.com's Milestone Payments to release funds only as agreed deliverables are approved

How long does a typical SaaS development project take?

An MVP with core authentication, billing, and a primary feature set typically takes a few months of focused work, while feature additions or integrations can be completed in shorter sprints. Timelines depend on scope, stack maturity, and how clearly the brief defines requirements upfront.

Can I hire a SaaS developer for a one-off feature instead of a full build?

Yes. Many freelancers on Freelancer.com take on discrete work such as Stripe integration, building an admin dashboard, migrating to Kubernetes, or hardening security for SOC 2 readiness. Define the deliverable narrowly and you will attract specialists who can finish quickly.

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

A full-stack developer can build front-end and back-end code for any kind of web app. A SaaS developer is a full-stack engineer with additional expertise in multi-tenancy, subscription billing, cloud deployment, and the operational concerns specific to running software as a recurring-revenue service.

Do I need a SaaS developer or a development agency?

For MVPs, prototypes, and most mid-sized builds, a skilled freelance SaaS developer or a small team assembled on Freelancer.com offers more flexibility and direct communication than an agency. Agencies become useful only when you need formal project management overhead, dedicated account teams, or compliance contracts that an individual contractor cannot provide.

What stack should I choose for my SaaS product?

For most modern web SaaS, combinations like Next.js with Node.js and PostgreSQL, or Django with React, are proven and easy to staff. Discuss the choice with your developer based on your team's existing skills, scalability needs, and the libraries available for features you depend on.