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TikTok

Senior Backend Software Engineer - Customer Service Platform - Global E-Commerce Customer Service Platform

Seattle$207,480 – $368,220Posted Oct 9, 2026

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Responsibilities

Global E-commerce is a discovery-driven e-commerce business, working to become a destination for users to discover and buy good products at affordable prices. We build a shopping experience that feels tailored to each user, and a platform merchants can rely on across live and short-video commerce.

The Customer Service Platform team builds and supports global customer service capabilities across key countries and regions, connecting consumers and merchants through the full service journey, from pre-sales inquiries to order support and after-sales care. By combining intelligent self-service with agent-facing tools and human support, we improve service efficiency and resolve complex customer needs at global scale.

You will build the self-service solutions users rely on and the tools agents work in, shaping the customer service experience across global markets.

Responsibilities:
- Design, develop, and maintain scalable, reliable, and high-performance backend services and systems.
- Own the end-to-end development lifecycle, from technical design and implementation to testing, deployment, and ongoing optimization.
- Build and optimize APIs, microservices, and distributed systems to support complex business requirements.
- Identify and resolve performance bottlenecks, improve system reliability, and ensure scalability as business demands grow.
- Drive technical design discussions, evaluate architectural trade-offs, and contribute to long-term technical strategy.

Qualifications

Minimum Qualifications:
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
- 5+ years of professional software development experience, with a strong focus on backend engineering.
- Proficiency in at least one backend programming language, such as Java, Go, C++, or Python.
- Strong understanding of data structures, algorithms, object-oriented programming, and software design principles.
- Hands-on experience designing and developing scalable backend services, APIs, and distributed systems.
- Solid understanding of databases, caching, messaging systems, and data modeling.

Preferred Qualifications:
- Experience building and operating large-scale, high-concurrency, or high-availability distributed systems.
- Experience with e-commerce platforms, transaction systems, or other large-scale consumer-facing products.
- Demonstrated ability to independently own complex technical projects and drive solutions across multiple teams.

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $207480 - $368220 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.

Responsibilities

Qualifications

Qualifications

Minimum Qualifications:
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
- 5+ years of professional software development experience, with a strong focus on backend engineering.
- Proficiency in at least one backend programming language, such as Java, Go, C++, or Python.
- Strong understanding of data structures, algorithms, object-oriented programming, and software design principles.
- Hands-on experience designing and developing scalable backend services, APIs, and distributed systems.
- Solid understanding of databases, caching, messaging systems, and data modeling.

Preferred Qualifications:
- Experience building and operating large-scale, high-concurrency, or high-availability distributed systems.
- Experience with e-commerce platforms, transaction systems, or other large-scale consumer-facing products.
- Demonstrated ability to independently own complex technical projects and drive solutions across multiple teams.

About TikTok

TikTok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

Size: 5,001 - 10,000 employees
Industry: Entertainment & Gaming

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