Senior Java Developer

A Senior Java Full Stack Developer role for a digital platform supporting childcare providers, responsible for designing, developing, and maintaining scalable web applications with expertise in Java enterprise development, web technologies, APIs, databases, and cloud deployment.

Location: Philippines

Salary: $2,000 AUD - $3,000 AUD / Monthly

Responsibilities

• Participate in the full Software Development Lifecycle (SDLC): requirements gathering, design, development, testing, deployment, and support
• Build scalable, maintainable, and reusable backend and frontend components
• Translate business requirements into technical solutions
• Design, build, document, and maintain RESTful APIs
• Integrate third-party APIs and internal services
• Ensure reliable communication between frontend and backend systems
• Design relational database schemas
• Write optimized SQL queries and stored procedures
• Maintain data integrity, backups, and performance
• Optimize application performance and troubleshoot bottlenecks
• Implement secure authentication and authorization flows
• Improve scalability and resilience of distributed systems
• Work closely with QA, DevOps, and product teams
• Participate in code reviews and technical discussions
• Write unit, integration, and automation tests
• Maintain technical documentation

Requirements

• Strong experience with Java 11+
• Solid understanding of Core Java, OOP, Collections, Streams, Exception Handling
• Experience with JSP/Servlet
• Experience with Thymeleaf
• Strong knowledge of Spring Boot, Spring MVC, Spring Security
• Experience with Hibernate / JPA
• Building and maintaining RESTful APIs
• Knowledge of multi-threading, concurrency, async processing
• Familiarity with messaging systems such as Apache Kafka or RabbitMQ is a plus
• Strong knowledge of HTML5, CSS3, JavaScript (ES6+)
• Experience with a CSS framework (Bootstrap and/or Material UI, Tailwind) and responsive UI design
• Experience with React.js is highly desirable
• Understanding of frontend build tools (Webpack, Vite, npm/yarn) is a plus
• Strong SQL skills
• Experience with MySQL and/or PostgreSQL
• Schema design, indexing, query tuning, stored procedures
• Version control with Git
• Build tools: Maven / Gradle
• CI/CD pipelines using Bitbucket, Jira
• Containerization using Docker
• Deployment/orchestration with Kubernetes
• Familiarity with cloud platforms such as Amazon Web Services, Microsoft Azure, or Google
• Authentication & Authorization using OAuth2
• Experience with JWT
• MFA / Two-Factor Authentication
• Secure coding best practices (OWASP Top 10, input validation, encryption)

Additional Information

• This is a remote role that will be set up as an independent contractor engagement.
• Candidates should disclose any existing ongoing roles or client work.
• Candidates should reflect this engagement on their LinkedIn profile (clearly marked as “Independent Contractor”).