Senior Frontend Software Engineer, TikTok User Growth - Innovative Growth

on to enhance engineering efficiency, reliability, and consistency.

• Implement and optimize video playback and overall web performance to ensure a smooth and responsive user experience, especially on low-end devices.
• Stay up-to-date with the latest technologies, explore their practical applications, and apply them to enhance the product where appropriate.
• Apply solid full-stack web development skills (Node.js, React, TypeScript, HTML, CSS, etc.) to build high-quality features and prototypes, explore new technologies through rapid experimentation, and drive their adoption where appropriate.
• 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.

Qualifications

Minimum Qualifications:

• Expert in JavaScript, HTML, and CSS.
• Expert in web performance optimization, especially in reducing LCP and enhancing video playback experience.
• Expert with modern frontend frameworks such as React, Vue, or Angular.
• Strong technical and logical thinking skills for analyzing and solving complex problems.
• Excellent written and verbal communication skills.
• Solid understanding of UI/UX principles and attention to user-centered design.
• Bachelor's degree in Computer Science or a related field, or equivalent experience.

Preferred Qualifications:

• Experience with developing web-based smart/connected TV/Vehicle/Appliances apps, using DOM-based or Canvas-based solutions.
• Experience with cross-platform solutions such as React Native, Electron.
• Experience with WASM for performance and cross-platform related usages.
• Experience with WebRTC or other real-time video technologies.
• Experience with module bundlers and building tools such as Webpack, Rollup, Vite, or Esbuild.
• Experience in Growth Engineering or Growth Hacking, have a successful user growth track record.
• Data analytics mindset with hands-on experience in exploratory data analysis (EDA) using Python (pandas, Jupyter Notebook), SQL, Hive, BI tools, and building scalable data pipelines.

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.