Tech Lead - E-commerce Recommendation Infrastructure - San Jose

San Jose, California, US Until 8/21/2026 5+ years exp H-1B sponsor history First posted March 29, 2026 Last posted April 1, 2026
Job description

Description

Our Team
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, so as to provide the most stable and 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 techniques.

Responsibilities
- Build industry-leading globalized large-scale recommendation system;
- Design and build high performance online systems and reliable data pipelines;
- Optimize and evolve the system continuously so as to support the skyrocket increase in both user traffic as well as the data amount;
- Work with cross functional teams to deliver end-to-end infrastructure solutions to address critical product challenges and improve recommendation performance.

Requirements

Minimum Qualifications
- Bachelor's degree or above, majoring in Computer Science or related fields
- At least 5+ years of experience building scalable systems.
- Strong software development experience with C++, Java or other programming language;
- Good teamwork and communication skills, positive and optimistic, and strong sense of ownership;
- Experienced in at least one of the following areas: personalized recommendations, search engine, advertising, machine learning infrastructure, distributed storage system, big data frameworks.

About this role

Summary

Lead scalable recommendation system development and optimize infrastructure support.

Job title

Tech Lead - E-commerce Recommendation Infrastructure

Experience level

5+ years

Minimum experience

5+ years exp

Industry

software

Location requirements

San Jose; on-site role with remote options allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

C++Javadistributed storagebig data frameworksrecommendation systems

Preferred skills

None specified

Specializations

recommendation systemslarge-scale systemsdata pipelinesmachine learning infrastructure
Locations

Structured locations inferred from the posting.

San Jose, CA, USA

On-site City