Apply for Web Application Developer at 365 Web Solutions in Dandenong, VIC, AU. This Full time on site position offers great opportunities for career growth.

Web Application Developer Location: Melbourne, VIC (Hybrid)
Employment Type: Casual, Part time Hours
Hours: Approximately 20–30 hours per week
Pay: $40–$50 per hour + super, depending on skills and experience

About the Role

We're a Melbourne-based digital agency specialising in web development, custom digital solutions and digital marketing. We're looking for a talented, resourceful Web Application Developer to help us design, build, deploy and maintain modern web applications, SaaS products, AI-powered solutions and custom business systems.

Problem-solving is at the core of this role. We're looking for someone who can understand technical challenges, investigate unfamiliar systems, research solutions and independently turn ideas into reliable, functional applications. You'll work across full-stack development, APIs, custom integrations, databases, AI technologies, cloud infrastructure and production deployments. We value practical skills, technical understanding, independent thinking and demonstrated ability over formal qualifications or years of experience.

Key Responsibilities

- Design, develop and maintain full-stack web applications, SaaS products and custom business solutions.
- Build modern, responsive frontend interfaces and scalable backend functionality.
- Develop, integrate and troubleshoot REST APIs, webhooks and third-party services.
- Build custom integrations between SaaS platforms, CRMs, payment gateways and business systems.
- Develop AI-powered features and integrate large language models (LLMs)



into web applications and business workflows.
- Build automated workflows connecting AI services, APIs, databases and third-party platforms.
- Design, manage and optimise relational databases.
- Implement authentication, authorisation, user management and secure data handling.
- Deploy, configure and maintain applications on cloud platforms such as AWS, DigitalOcean and Vercel.
- Manage application hosting, Linux servers, databases, domains, DNS and SSL certificates.
- Troubleshoot application errors, infrastructure problems and complex integration issues.
- Implement testing, version control and deployment workflows.
- Research, evaluate and implement technical solutions for new or complex requirements.
- Improve application security, performance, reliability and scalability.

Core Technical Skills

- Full-Stack Development
- JavaScript and TypeScript
- React, Next.js and Node.js
- HTML, CSS and Tailwind CSS
- Frontend and backend application development
- Server-side logic, authentication and data processing
- Git, GitHub and version control
- APIs & Custom Integrations
- REST API development and integration
- Third-party APIs, webhooks and OAuth
- Custom integrations between platforms and business systems
- API authentication, error handling and debugging




- Working with external services and technical documentation
- Understanding of asynchronous processing and API reliability
- AI Integrations & Workflow Automation
- Hands-on experience integrating AI APIs and large language models (LLMs).
- Working with OpenAI API, Anthropic Claude API or similar AI providers.
- Developing AI-powered application features, assistants and automated workflows.
- Understanding of prompt engineering, structured outputs and function/tool calling.
- Experience with automation tools such as n8n, Make, Zapier or custom-built workflows.
- Integrating AI services with databases, APIs and existing business applications.
- Understanding of AI API security, error handling, performance and usage costs.
- Databases
- PostgreSQL, MySQL or similar relational databases
- Database design, queries and data relationships
- Database connections, migrations and performance optimisation
- Familiarity with ORMs such as Prisma or Drizzle
- Cloud Infrastructure & Deployment
- Practical experience with AWS, DigitalOcean, Vercel or similar cloud platforms
- Deploying and managing production web applications
- Linux servers, hosting environments and application configuration
- DNS, domains, SSL, networking and workplace variables
- Understanding of Docker, CI/CD and deployment workflows
- Troubleshooting cloud hosting and infrastructure issues
- Understanding of cloud security, monitoring and backups
- SaaS & Web Applications
- Building and maintaining SaaS products or custom web applications
- User authentication, roles and permissions
- Dashboards, admin panels and data management
- Integ

📌 Web Application Developer at 365 Web Solutions (Dandenong)
🏢 365 Web Solutions
📍 Dandenong