Senior iOS Software Engineer, Global E-commerce Frontend Infrastructure

Senior iOS Software Engineer, Global E-commerce Frontend Infrastructure

Location:

Seattle

Team:
Technology

Employment Type:

Regular

Job Code: A119150

• Be responsible for developing and maintaining the e-commerce module within the Tik Tok app, focusing on features such as product browsing, search functionality, and order placement to enhance the shopping experience.
• Collaborate with cross-functional teams including product managers, designers, and other developers to deliver new features aimed at enhancing user experience on the Tik Tok Shop.
• Architect scalable and maintainable solutions, leveraging best practices and design patterns to ensure code quality, reusability, and extensibility.
• Conduct performance analysis and profiling of the Tik Tok Shop to identify areas for optimization and improvement.
• Work closely with backend engineers to optimize network requests and data fetching mechanisms, minimizing latency and improving overall app performance.
• Participate in code reviews, providing constructive feedback and ensuring code quality, maintainability, and adherence to coding standards.

• BS/MS degree in Computer Science, Engineering, or related field.
• 5+ years of experience in mobile app development for iOS platforms, with a proven track record of delivering successful projects.
• Expertise in Objective‑C/Swift and deep understanding of mobile development frameworks and tools.
• Experience with performance optimization techniques, including memory management, network optimization, and battery efficiency.
• Strong problem‑solving skills and attention to detail, with the ability to debug and troubleshoot complex issues efficiently.
• Excellent communication and collaboration skills, with the ability to work effectively in a fast‑paced, dynamic environment and across different teams.

• Hybrid cross‑platform development experience.

The base salary range for this position in the selected city is $177,688 – $341,734 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.

• 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:
• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems;
• Exercising sound judgment.

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

Inspiring…