KV Storage Systems Engineer – High-Performance, Large-Scale

ByteDance; San Jose (CA); On-site; USD 162,000 - 317,000; Full time

Job summary

ByteDance's LavaStore team builds and maintains ByteDance's purpose-built local storage engine for large-scale cloud services. You will work on high-performance KV storage engines, file systems, and latency-sensitive components critical for billions of requests.

Join a team that blends systems research with production ownership, developing LSM-tree based architectures and robust, scalable storage solutions across ByteDance's distributed infrastructure.

Qualifications

• Bachelor's degree or higher in Computer Science, Computer Engineering, Electrical Engineering or related majors.
• Strong problem analysis, conceptual abstraction and design skills; proficient in C/C++, familiar with at least one of Python / Shell or similar languages.
• Proficient in systems programming, including system calls and library functions, network/multithreaded programming models, debugging, and IO performance tuning tools and techniques.
• In-depth understanding of storage system architectures and principles, such as LSM Tree, file systems (ext4/bluefs), etc.
• Solid understanding of distributed systems fundamentals, including consensus, replication, consistency models, and fault tolerance.
• Excellent ability to identify and solve problems, good communication skills, team collaboration spirit, and a strong desire to learn new technologies.

Responsibilities

• Participate in the design and implementation of high-performance KV storage engines and file systems for large-scale distributed storage & database system backends.
• Explore the design and evolution of next-generation KV storage engine architectures to ensure low latency and high throughput.
• Deeply understand storage requirements across business scenarios, and collaborate with business teams to find the most suitable storage solutions.

Skills

C/C++

Python/Shell

System programming

Distributed systems

Problem solving

Communication skills

Education

Bachelor's degree or higher in CS/CE/EE

Tools

RocksDB

LevelDB

Redis

Memcached

Cachelib

Job description

ByteDance's LavaStore team builds and maintains ByteDance's purpose-built local storage engine for large-scale cloud services. You will work on high-performance KV storage engines, file systems, and latency-sensitive components critical for billions of requests.

Join a team that blends systems research with production ownership, developing LSM-tree based architectures and robust, scalable storage solutions across ByteDance's distributed infrastructure.