2,442 jobs for "System Software Engineer"

AI Infra Engineer Intern (Recommendation & LLM) - 2027 Summer

At TikTok - San Jose

Posted on Aug 26

View job Apply on company site

Senior Java Software Developer

At Leidos - Clarksburg

Posted on Aug 22

View job Apply on company site

Master Software Engineer

At Leidos - Clarksburg

Posted on Aug 22

View job Apply on company site

Software Engineer II

At Cadence Design Systems - Zhubei

Posted on Aug 21

View job Apply on company site

Software Engineer II

At Cadence Design Systems - Zhubei

Posted on Aug 20

View job Apply on company site

Autonomous Systems Software Engineer

At Leidos - Lynnwood

Posted on Aug 20

View job Apply on company site

Senior Software Engineer

At Mastercard - O'Fallon

Posted on Aug 19

View job Apply on company site

Staff Software Engineer, Revenue Systems

At Squarespace - Remote / Flexible

Posted on Aug 19

View job Apply on company site

Software Systems Engineer

At Leidos - Columbia

Posted on Aug 18

View job Apply on company site

Sr Software Engineer, Employee Experience & Productivity

At Apple - Sunnyvale

Posted on Aug 15

View job Apply on company site

Senior Software Engineer

At Leidos - Annapolis Junction

Posted on Aug 15

View job Apply on company site

Software Engineer - 25k Sign on Bonus

At Leidos - Columbia

Posted on Aug 14

View job Apply on company site

AI Infra Engineer Graduate (Recommendation & LLM) - 2027 Start

At TikTok - San Jose

Posted on Aug 12

View job Apply on company site

AI Infra Engineer Graduate (Recommendation & LLM) 2027 Start (PhD)

At TikTok - San Jose

Posted on Aug 12

View job Apply on company site

Software Developer

At Leidos - Chantilly

Posted on Aug 12

View job Apply on company site

Sr AI Engineer - Platform Engineering

At The Hartford - Chicago

Posted on Aug 8

View job Apply on company site

Sr Principal C++ Software Engineer

At Cadence Design Systems - Burlington

Posted on Aug 7

View job Apply on company site

Sr AI Engineer - Platform Engineering

At The Hartford - Charlotte

Posted on Jul 31

View job Apply on company site

Senior Systems Engineer

At Leidos - Bethesda

Posted on Jul 28

View job Apply on company site

Software Engineer (Textile Composite Modeling)

At Cadence Design Systems - Mont-saint Guibert

Posted on Jul 27

View job Apply on company site

TikTok

AI Infra Engineer Intern (Recommendation & LLM) - 2027 Summer

San JosePosted Aug 26, 2026

Apply on company site View full job

Why you should apply for a job to TikTok:

4.5/5 in overall job satisfaction
4.5/5 in supportive management
100% say women are treated fairly and equally to men
100% would recommend this company to other women
100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Responsibilities

About the Team
We are looking for a passionate Software Engineer to join our Model Infrastructure team, building the next generation of infrastructure for TikTok's For You recommendation system and Large Language Models (LLMs).
Our team develops the core training and serving infrastructure that powers one of the world's largest recommendation systems, enabling billions of personalized recommendations every day. We are also advancing the next generation of AI infrastructure for foundation models and LLMs, driving innovation in large-scale model training, online inference, and GPU optimization.
As part of the team, you will work on distributed training and inference systems, high-performance GPU computing, and scalable LLM infrastructure. You'll collaborate closely with experienced engineers and researchers to transform cutting-edge AI technologies into production systems that directly impact the experience of hundreds of millions of TikTok users. This role is ideal for candidates who are passionate about LLM systems, distributed computing, GPU programming, and building AI systems at massive scale.

WWe 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.
Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted.
Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.

Responsibilities
- Build and optimize infrastructure for large-scale model training and online inference.
- Develop distributed systems supporting large recommendation models and LLMs.
- Improve training and inference performance through GPU optimization and efficient communication.
- Collaborate with researchers to develop and deploy LLM training and serving solutions.
- Analyze system bottlenecks and implement performance optimizations.

Qualifications

Minimum Qualifications
- Currently pursuing a Bachelor's degree in Computer Science or a related discipline.
- Strong programming skills in C++ or Python.
- Good understanding of data structures, algorithms, and computer systems.
- Familiarity with PyTorch or TensorFlow.
- Knowledge of Transformer architectures and Large Language Models (LLMs).
- Strong problem-solving skills and a passion for building large-scale AI systems.

Preferred Qualifications
- Currently pursuing a Master's degree in Computer Science or a related discipline.
- Hands-on experience with LLM training or inference through research, internships, or open-source projects.
- Familiarity with distributed training concepts (e.g., DP, TP, PP, FSDP, ZeRO).
- Experience with GPU programming using CUDA, Triton, or similar technologies.
- Understanding of LLM serving techniques such as KV Cache, Continuous Batching, or FlashAttention.
- Contributions to open-source projects or research in machine learning systems, distributed systems, or LLM infrastructure.

Responsibilities

Qualifications

Qualifications

Minimum Qualifications
- Currently pursuing a Bachelor's degree in Computer Science or a related discipline.
- Strong programming skills in C++ or Python.
- Good understanding of data structures, algorithms, and computer systems.
- Familiarity with PyTorch or TensorFlow.
- Knowledge of Transformer architectures and Large Language Models (LLMs).
- Strong problem-solving skills and a passion for building large-scale AI systems.

Preferred Qualifications
- Currently pursuing a Master's degree in Computer Science or a related discipline.
- Hands-on experience with LLM training or inference through research, internships, or open-source projects.
- Familiarity with distributed training concepts (e.g., DP, TP, PP, FSDP, ZeRO).
- Experience with GPU programming using CUDA, Triton, or similar technologies.
- Understanding of LLM serving techniques such as KV Cache, Continuous Batching, or FlashAttention.
- Contributions to open-source projects or research in machine learning systems, distributed systems, or LLM infrastructure.

About TikTok

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

Size: 10,000+ employees
Industry: Technology: Consumer Internet

View company profile