Software Engineer, Cross Platform

ByteDance

ByteDance

Software Engineering
San Jose, CA, USA
USD 136,800-359,720 / year + Equity
Posted on Nov 6, 2025

Responsibilities

About the team: The Cross Platform Development Tools team has created community open-source build tools like Rspack / Rsbuild, while also maintaining internal web frameworks. Our frontend framework solutions are widely used across the company, helping product development teams enhance R&D efficiency, runtime performance, and product experience. In this role, you will focus on improving the usability, performance, and tooling experience of JavaScript development tools. You will be dedicated to delivering a high-availability frontend development tool aimed at maintaining peak performance. Also, as a key member of the team, you will also participate in designing and implementing end-to-end tooling for JavaScript R&D workflows. Responsibilities: - Work closely with product teams to build innovative and performant web development toolkit. - Design, implement, maintain and improve the architecture of Rspack, Rsbuild, Rstest etc. - Analyze and optimize the compile performance, improve JavaScript bundle quality and efficiency. - Carry out code reviews to ensure code quality.

Qualifications

Minimum Qualifications - 2 years of professional software development experience. - Proficiency in coding & scripting languages such as JavaScript, TypeScript, or Rust - Technical knowledge of Web application (React/Vue/Svelte) development. - Good team communication and collaboration skills. Preferred qualifications: - Advanced degree in Computer Science, Electrical Engineering or related technical field. - Development experience with Rust toolkit development such as SWC, lightning CSS, Rspack and etc

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $136800 - $359720 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