Software Engineer Intern (Data Arch - E-commerce) - 2027 Summer Seattle Technology - Big data U[...]

TikTok; Seattle (WA); On-site; USD 50,000 - 68,000; Full time

Benefits offered by this job

Health insurance

Life insurance

Wellbeing benefits

Housing allowance

10 paid holidays per year

Paid sick time

Job summary

TikTok is seeking a Software Engineer Intern (Data Arch - E-commerce) for Summer 2027 in Seattle. You will contribute to the E-commerce Recommendation Infra, building scalable services and data pipelines for live recommendations, with mentorship and hands-on experience.

Applicants are pursuing undergrad/masters in software, CS, or related fields and should be proficient in C, C++, Java, or Golang. Excellent communication and ownership are essential.

Qualifications

• Pursuing undergraduate or master's in software-related field.
• Experience in programming languages listed.
• Strong communication and ownership.

Responsibilities

• Build/maintain high-performance online services for TikTok recommendation system.
• Develop data pipelines for candidates/profile/training data generation.
• Collaborate with mentors to build globalized large-scale recommendation system.
• Design and implement high-performance computing frameworks and storage systems.

Skills

C

C++

Java

Golang

Education

Undergraduate/Master's in Software Development/CS/CE

Job description

Discover a career that energizes and excites you every day.

@2026 TikTok

Software Engineer Intern (Data Arch - E-commerce) - 2027 Summer

Location:

Seattle

Employment Type:

Intern

Job Code:

A39573

Responsibilities

Global E-commerce is a new and fast growing business that aims at connecting all customers to excellent sellers and quality products on TikTok Shop, through E-commerce live-streaming, E-commerce short videos, and commodity recommendation. Our E-commerce Recommendation Infra team is responsible for building up and optimizing the infrastructure for such recommendation systems, to provide the best experience for our users. We work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and large scale models. We are looking for talented individuals to join us for an internship. Our internship program offers students hands‑on experience, industry exposure, and opportunities to apply their knowledge to real‑world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.

Responsibilities:

• Build and maintain high performance online services for TikTok recommendation system.
• Build extremely efficient and reliable data pipelines for candidates generation, profile generation, training examples generation, realtime online training, etc.
• Work with your mentor to build globalized large-scale recommendation system.
• Design and develop high performance computing frameworks and storage systems.

Qualifications

• Must be able to commit to a 12-week full-time work period during Summer 2027- Currently pursuing an Undergraduate/Masters degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Experience in programming, included but not limited to, the following programming languages: C, C++, Java or Golang.
• Effective communication skills and a sense of ownership and drive.

• Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications.
• Demonstrated experience in one area of the following areas: personalized recommendations, search engine, machine learning, distributed storage system, big data frameworks is a plus.

Job Information

The hourly rate range for this position in the selected city is $42.75- $42.75.

Benefits

• Interns have day one access to health insurance, life insurance, wellbeing benefits and more.
• Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year).
• Interns who are not working 100% remote may also be eligible for housing allowance.

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:

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;
3. Exercising sound judgment.

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is 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 bring joy - a mission we work towards every day.

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. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. 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

TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.

TikTok Accommodation

TikTok 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