System Performance Engineer - Server Platform

ByteDance
ByteDance

San Jose, CA, USA

Posted on Jun 17, 2026

Responsibilities

About the Team Server platform team is responsible for architecting, designing, and building the best server and storage system to meet the requirements of high-performance, low cost and easy to operate. By joining this team, you will work with the best engineers and talents in this industry and have a broad opportunity to get in touch with the latest AI application system and newly emerged technology in computing , storage and silicon validation. You will gain remarkable hardware architect, development and validation experience in the most advanced hardware infrastructure at a massive scale. We are looking for a self-motivated Server system Performance Engineer with the following responsibilities: - Build up and optimize server system benchmarks based on deep understanding of server system architect, key part performance matrix, and workload characterization. - Co-work with CPU, memory, IO controller, SSD engineers and vendors to setup the right performance target for the key parts for the server system. Solve performance related issues. - Based on a good understanding of mainstream applications, database, big data, storage, AI computing, profiling, co-work with application team to work out and update the workload profiling system. Work with the application team to solve performance problems and make sure to achieve the best performance on certain hardware. - Co-work with server system architects to evaluate new architect design. - Co-work with cloud vendors, equipment vendors to evaluate the performance of cloud service or newly introduced hardware. - Work with industry consortiums and open standard committees to investigate the emerging technologies or standards, and contribute our research results and visions to the industry. - International travel requirement: up to four times per year, including but not limited to China, Europe, and South Asia. Candidates must have a valid passport and be able to obtain the necessary visas.

Qualifications

Minimum Qualifications - Master’s degree in Electrical Engineering, Computer Engineering, Computer Science or related majors - Deep understanding of computer system architecture, especially on CPU SoC or Platform Architecture, Interconnect Fabric, and Memory sub-system - Experienced in system performance optimization or software hardware co-design - Understand the implementation of CPU virtualization technology, and distributed system - Demonstrated experience of working collaboratively in cross-functional teams Preferred Qualifications - 5 years experience in CPU/GPU platform architecture, and/or application performance optimization design or software hardware co-design

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $156000 - $387600 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