Java Developer

About the company:

Vortech is a leading global provider of platforms, content, and services for the online gaming industry, committed to innovation, compliance, and sustainability. Established in 2025, Vortech focuses on regulated and newly regulating markets, offering cutting-edge B2B solutions powered by proprietary technology. Our mission is to deliver a secure, engaging, and data-driven betting and gaming experience, ensuring long-term value for shareholders, partners, and customers.

Backed by decades of industry expertise, our solutions are designed to enhance user engagement while maintaining the highest standards of responsible gaming. With operations in over 40 regulated markets and a strong presence across 7 countries, Vortech is ideally positioned to capitalize on emerging opportunities in digital gaming.

Responsibilities:

• Design, develop, and maintain scalable backend applications using Core Java and Spring Boot frameworks.
• Build and consume RESTful APIs and integrate with various third-party and internal systems.
• Collaborate with cross-functional teams including product managers, frontend developers, DevOps, and QA engineers to deliver end-to-end solutions.
• Ensure high code quality through unit testing, integration testing, and participation in code reviews.
• Analyze system requirements and prioritize tasks based on business needs and timelines.
• Optimize backend performance, memory usage, and responsiveness for high-load environments.
• Follow best practices in design, development, and documentation to ensure maintainable and scalable codebases.
• Troubleshoot and resolve production issues with timely root cause analysis and resolutions.
• Participate in sprint planning, stand-ups, and other Agile ceremonies.

Professionalism & Adaptability:

• Demonstrate the ability to work effectively under high-pressure conditions and tight deadlines.
• Adapt quickly to changing requirements and contribute proactively to problem-solving and innovation.

Qualifications:

MUST HAVE

Experience & Technical Skills:

• 4+ years of professional experience in Java backend development, with strong skills in Core Java (Java 8 or above).
• Hands-on experience with Spring Boot, Spring MVC, Spring Data, and related frameworks.
• Solid understanding of object-oriented programming (OOP) principles and design patterns.
• Experience working with relational databases (e.g., PostgreSQL, MySQL) and JPA/Hibernate.
• Familiarity with RESTful API design, JSON, and HTTP protocols.
• Working knowledge of build tools like Maven or Gradle.
• Experience with version control systems, particularly Git.
• Familiarity with unit testing frameworks such as JUnit, Mockito, or TestNG.
• Good problem-solving and debugging skills with attention to performance and reliability.
• Excellent communication skills and the ability to work effectively in a collaborative team environment.

NICE TO HAVE

• Knowledge of microservices architecture and containerized deployments (Docker, Kubernetes).
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Familiarity with message brokers (e.g., Kafka, RabbitMQ).
• Exposure to CI/CD pipelines and DevOps practices.
• Understanding of security best practices in backend development.

Security & Best Practices:

• Knowledge of game security fundamentals and securing large-scale web-based game systems.

WHY YOU'LL LOVE WORKING WITH US:

• A fun, creative, and flexible working environment
• Premium health insurance
• SHUI contributions which comply with local laws
• 13th month salary & performance bonuses
• 15 paid annual leaves and 30 sick leaves per year
• WFH 3 days/month

Working location: Duc Nhuan ward, HCMC

Working hour: Monday - Friday (9am - 6pm)