Job Description
Join ByteDance's Foundational Technology team and help build the cloud-native infrastructure that powers all of our products—from TikTok to Douyin and beyond. As a Backend Software Engineer Intern, you will work alongside world-class engineers to design, develop, and optimize distributed systems at massive scale. This internship offers a unique opportunity to contribute to cutting-edge technologies in cloud computing, storage, networking, and container orchestration while gaining hands-on experience with real-world production systems.
You'll be part of a team that values innovation, efficiency, and reliability. Your work will directly impact billions of users worldwide by ensuring high availability, low latency, and seamless scalability. Whether you're passionate about microservices, Kubernetes, or high-performance computing, this role provides the ideal environment to accelerate your engineering career.
We are looking for curious, driven, and technically strong individuals who are eager to solve complex engineering challenges. If you're a BS/MS student graduating in 2026 and want to shape the future of cloud infrastructure, we’d love to hear from you.
Responsibilities
- Design, implement, and optimize backend services and APIs for ByteDance's cloud-native infrastructure
- Build scalable, fault-tolerant distributed systems that handle petabytes of data
- Collaborate with cross-functional teams to define requirements and deliver high-quality solutions
- Develop tools and automation to improve deployment, monitoring, and operational efficiency
- Participate in code reviews, design discussions, and knowledge-sharing sessions
- Debug and resolve performance bottlenecks in production systems
- Contribute to open-source projects or internal frameworks used across the company
- Document system architectures and best practices for future reference
Qualifications
- Pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (graduating in 2026)
- Strong programming skills in at least one of: Go, Python, C++, or Java
- Solid understanding of data structures, algorithms, and system design principles
- Experience with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
- Familiarity with distributed systems concepts (consistency, replication, load balancing, etc.)
- Excellent problem-solving and analytical thinking abilities
- Effective communication skills and ability to work in a fast-paced, collaborative environment
- Prior internship or project experience in backend/infrastructure engineering is a plus