Senior Frontend Software Engineer, PGC-OGC

Responsibilities:
- Collaborate closely with product managers and designers to build high-quality, performant, and maintainable user experiences and platforms for the products mentioned above;
- Learn how TikTok core products work, and discover the magic underlying systems that power the fastest-growing platform on the planet;
- Stay up-to-date with the latest technologies including AI/LLMs, explore their practical applications, and apply them to enhance the product where appropriate;
- Learn and grow from working alongside colleagues, adopting the latest technologies, and solving complex industry challenges;
- Establish and advocate for engineering best practices, mentor teammates, and contribute to a culture of technical excellence that supports both team growth and efficient product iteration;
- Help evolve and scale our team with your expertise, experience, and perspectives.

Qualifications

Minimum Qualifications:
- Bachelor's degree in Computer Science or related major;
- 5+ years of industry experience in software development;
- Strong proficiency in JavaScript (ES5/6/7/8), CSS, DOM manipulation, and modern layout techniques;
- Solid understanding of component-based development principles; hands-on experience with frameworks such as React, Angular, or Vue;
- Familiarity with build tools (webpack, babel) and CI/CD pipelines;

Preferred Qualifications:
- Practical experience with genAI/LLM systems, AI agents, and related data processing workflows;
- In-depth knowledge of low-level CSS/JS fundamentals and related performance optimization techniques;
- In-depth knowledge of module bundlers and build tools such as Webpack, Rollup, Vite, or Esbuild;
- Understanding of product, product design and product engineering;
- Knowledge of data analysis, backend systems, or native mobile development is a plus;
- Experience working with Lynx (https://lynxjs.org/)

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $187040 - $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.