Principal Core Systems Software Engineer

About the role

As a , you will play a pivotal role in shaping the future of the platform that empowers millions of users to create and share their own experiences. You will be responsible for designing and implementing robust core systems that ensure the scalability, reliability, and performance of our services. This position offers a unique opportunity to work at the intersection of technology and creativity, collaborating with cross-functional teams to enhance the user experience on one of the world's leading online gaming platforms.

Key facts

What you'll do

• Lead the design and development of core systems that support millions of concurrent users, ensuring high availability and low latency.
• Collaborate with product managers, designers, and other engineers to define system requirements and translate them into scalable architecture.
• Implement best practices in software development, including code reviews, testing, and continuous integration to maintain high code quality.
• Optimize existing systems for performance and scalability, identifying bottlenecks and proposing effective solutions.
• Mentor junior engineers, providing guidance on technical challenges and fostering a culture of learning and innovation within the team.
• Participate in architectural discussions and contribute to the long-term technical vision of the core systems at Roblox.
• Analyze system performance metrics and user feedback to inform future enhancements and feature development.
• Stay current with industry trends and emerging technologies to ensure Roblox remains at the forefront of gaming technology.

Requirements

• A minimum of 8 years of experience in software engineering, with a focus on systems design and architecture.
• Proficiency in programming languages such as C++, C#, or Java, with a strong understanding of object-oriented design principles.
• Extensive experience with distributed systems and cloud technologies, particularly in designing scalable and fault-tolerant architectures.
• Strong knowledge of databases, both SQL and NoSQL, and experience with data modeling and performance tuning.
• Familiarity with containerization and orchestration tools such as Docker and Kubernetes.
• Excellent problem-solving skills and the ability to work collaboratively in a fast-paced environment.
• Strong communication skills, with the ability to articulate complex technical concepts to non-technical stakeholders.

Nice to have

• Experience in game development or working with gaming engines, particularly Roblox Studio.
• Familiarity with microservices architecture and API design principles.
• Knowledge of performance profiling and optimization techniques specific to gaming applications.
• Experience with agile methodologies and tools such as Jira or Trello.

Skills & tools

• Programming Languages: C++, C#, Java
• Development Tools: Git, Jenkins, Visual Studio
• Cloud Platforms: AWS, Azure, or Google Cloud
• Databases: MySQL, MongoDB, Redis
• Containerization: Docker, Kubernetes
• Monitoring Tools: Prometheus, Grafana

Practical notes

This position is based in San Mateo, California, and offers a competitive salary package that reflects your experience and skills. Roblox is committed to fostering an inclusive workplace and encourages applications from individuals of all backgrounds. Visa sponsorship is available for qualified candidates, making this an excellent opportunity for both local and international applicants.

Roblox is a dynamic and innovative company that thrives on creativity and collaboration. As a Principal Core Systems Software Engineer, you will have the chance to make a significant impact on the platform while working alongside some of the brightest minds in the industry. If you are passionate about technology and gaming, and you are looking for a challenging and rewarding role, we encourage you to apply and join us in shaping the future of play.

For more information and to apply, please visit our careers page at [Roblox Careers](https://careers.roblox.com/jobs/7449585?gh_jid=7449585). We look forward to seeing how you can contribute to our mission of bringing the world together through play.

About the company

An online space lets people build and play games. Founded long ago by two creators, it grew into a shared world opened to everyone in the mid 2000s. Now reaching millions each day, it hosts games made by its users. A large share of young American children under sixteen are monthly players here. High daily activity shows a lasting community where creativity and shared play remain central.