Senior Software Engineer, Distributed Storage

ByteDance; San Jose (CA); On-site; USD 218,000 - 480,000; Full time

Job summary

ByteDance is seeking a Senior Software Engineer, Distributed Storage in San Jose to design and optimize large-scale storage systems across pooled, object, block, and file storage, plus related components like HDFS, RocksDB, and Kafka. You will drive stability, performance, and cost efficiency while supporting global applications.

You will work with a team that builds infrastructure storage services for ByteDance products, enabling reliable large-scale data storage for AI models and cloud

Qualifications

• Bachelor's degree or above in Computer Science or related field.
• Strong coding skills in C++, with emphasis on code quality.
• Solid understanding of distributed systems; experience with HDFS, Ceph and Kafka.
• Independent thinker with systematic problem-solving abilities.
• Fast learner with good teamwork and communication skills.

Responsibilities

• Design, develop, and optimize modules of distributed storage systems (pooled, object, block/file) and related storage tech.
• Improve stability, performance, and cost efficiency based on business needs.
• Drive project execution, write design docs, and own implementation and testing.
• Provide on-call support and address production issues to optimize the system.
• Participate in deployment, site reliability, and build deep expertise in system design.

Skills

C++

Distributed systems

Open-source storage

Teamwork & communication

Education

Bachelor's degree or above

Tools

HDFS

Ceph

Kafka

RocksDB

NVMe

SPDK/DPDK

Job description

Senior Software Engineer, Distributed Storage

Location:

San Jose

Team:

Technology

Employment Type:

Regular

Job Code:

A55027

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Responsibilities

About the TeamThe ByteDance infrastructure storage team provides storage services for all ByteDance products and builds the Volcano Engine public cloud storage product portfolio. In the AI era, the team powers Doubao large models and the Ark large model platform. With the enterprise service experience of stable storage for hundreds of EB of data on tens of thousands of servers, the team serves external customers through a rich storage product matrix, spanning pooled storage, object storage, block storage, file storage, log service, message queue, and big data storage (HDFS). The Infrastructure Storage US team is at the forefront of the team's global expansion, responsible for storage system development, operations, and stability for global businesses and customers.We are looking for talented engineers to join the Infrastructure Storage US team. In this role, you will design, develop, and optimize the foundational infrastructure of our large-scale distributed storage systems (object storage, block storage, file storage, pooled storage, HDFS, etc.), improve system stability, performance, and cost efficiency, and ensure reliable support for business applications.

• Design, develop, and optimize the modules of distributed storage systems (pooled storage, big data file storage, message queue, cache storage, object storage, block storage, file storage, and log service), and research cutting-edge storage technologies;


• Design and enhance modules of the distributed storage system in terms of stability, functionality, performance, and cost based on business requirements;


• Drive project execution according to project schedules, write detailed design documents, and own module implementation, performance tuning, and functional testing;


• Provide timely technical support for online applications, identify potential requirements and optimization opportunities from production issues, and continuously optimize the system;


• Participate in the deployment, on-call operations, and site reliability engineering for the storage US team; develop deep expertise in system design, identify and resolve bottlenecks to enhance cluster stability, elasticity, and cost competitiveness.

Qualifications

• Bachelor's degree or above in Computer Science or a related field;


• Strong coding skills in C++, with a strong commitment to code quality;


• Solid understanding of distributed systems principles; Hands-on experience with open-source distributed storage systems such as HDFS, Ceph, and Kafka, or equivalent in-house distributed storage systems;


• Able to think independently, proactively identify problems, and possess systematic problem analysis and solving capabilities;


• Strong aptitude for quickly ramping up in unfamiliar technical domains, along with excellent teamwork and communication skills.

• Experience with storage tech stacks, including NVMe, SPDK/DPDK, RocksDB, and metadata-related technologies;


• Hands-on experience designing and building large-scale distributed systems, including high IOPS, high throughput, stability, and degraded-mode handling;


• Experience with AI storage, such as KV cache storage and optimization, multi-tier caching, and model distribution and loading.;


• Experience with Linux performance tuning is preferred;

Job Information

The base salary range for this position in the selected city is $218400 - $480000 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;


2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and


3. Exercising sound judgment.

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Reasonable Accommodation

ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request