Backend Developer (Java or NodeJS)

LionRose

• Working Location: Ho Chi Minh, Binh Thanh District
• Number of vacancies: 4 Junior, 2 Senior
• Salary: Attractive bonus package with review every release milestone, MacBook Pro provided.
• Level: Senior, Middle, Junior
• Roles: Backend

As a Backend Developer, you will be involved in the planning, development, and maintenance of the web & mobile app supporting our products and services in the entertainment industry for massive traffic of users in the APAC market.

• Developing the backend structure, server, persistency, communication, logic or new features and integrating them with the frontend for our products on multiple platforms (Web, Mobile, PWA).
• Ensure server software scalable to support a high number of concurrent users and improve security-relevant components.
• Constantly profile and optimize the server architecture, code, data structure, bandwidth, and memory and CPU usage.
• Writing and maintaining fast code, detailed technical design and software documentation.
• Working closely with the team on new ideas/ features and implementing them.
• Stay current on the latest techniques and technologies of online programming including dead reckoning interpolation methodologies, latency robustness, etc.

Must have skills and experience:

• At least 2 years of experience working with either Java, or NodeJS.
• Experience in developing backend server systems.
• Having knowledge of algorithms, assessing the complexity of an algorithm.
• Have knowledge of security for large web systems.
• Have a good product mindset.
• Experience working with Kafka, RabbitMQ, and NATS messaging systems.
• Good understanding and knowledge of Docker, Kubernetes.
• Familiar with Caching, MySQL, NoSQL, and SQL Systems.
• Understand and have experience working with Protobuf and gRPC
• Proficient with GIT.
• Can work well both independently and in a team.
• Adapt to high pressure at work.

Prefer if the candidate has:

• Open-minded to learn new programming languages, new technologies, and be ready to cope with technological challenges to solve the work effectively.
• Experience working with Cocos or Unity game engines as a Backend Developer.
• Experience in developing game server systems.
• Understand the operation mechanism of the game engine, animation.
• Experience building hybrid mobile applications such as ReactJS, ...
• Sharp and logical thinking, good at maths and matrix is a big plus.

• MacBook Pro and additional working-support devices provided on demand.
• Excellent and competitive NET salary package.
• 13th-month salary with good long‑term and performance bonus.
• Review performance and salary every release milestone.
• Vietnamese standard health insurance.
• Friendly working environment, no office politics.
• Free snack breaks and drinks, birthday celebration policy.
• Opportunities to gain hands-on experience in cutting-edge technologies and work on new technology.
• Experience the true start-up spirit of a fast-growing and well-funded studio.