Recommender System Engineer, AI-Driven (PICO-Lab) - San Jose New

About Team: PICO system prototyping team's mission is to incubate the next generation XR products including MR headsets, AR glasses and more smart wearables. Based on ByteDance group's vision, the team independently comes up with product vision, roadmap, definition, architecture as well as initial designs including experience, structural, electrical, firmware as well as software. The startup style team has always been working on system-level missions that are tremendously commercially valuable yet seem technically impossible, therefore, we are also called the IMF. Responsibilities - Build and productionize recommendation models (collaborative filtering, content-based, hybrid, deep learning approaches). - Design ranking and retrieval pipelines for low-latency, high-scale serving. - Partner with product, data science, and engineering to define personalization strategy. - Run offline/online experiments (A/B tests) and iterate using metrics such as CTR, retention, and revenue lift. - Improve data pipelines, feature stores, and model monitoring for reliability and model quality. - Contribute to MLOps practices including CI/CD, model versioning, and observability.

Minimum Qualifications - 5+ years of experience in machine learning engineering, recommendation systems, or ranking. - Strong Python skills and experience with ML frameworks (e.g., PyTorch or TensorFlow). - Experience with large-scale data tools (e.g., Spark, Kafka, Airflow, SQL). - Hands-on experience deploying ML models to production. - Solid understanding of relevance/ranking metrics and experimentation methodology. - Strong communication and cross-functional collaboration skills. Preferred Qualifications - PhD in Computer Science. - Experience with Mobile Development. - Experience with real-time personalization and feature stores.

The base salary range for this position in the selected city is $212800 - $450000 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., * Training Provided

• Regular team and company events
• Free drinks, fruit or food
• Subsidized public transport
• Flexible working
• Free Gym or Gym Subsidy
• Private Medical/Dental healthcare
• Annual Health Check
• Bonus/Reward Scheme
• Childcare Vouchers
• Cycle to work scheme
• Paid Overtime
• Stock Options
• Language Classes
• Game Jams
• Four Day Workweek

About Pico Founded in April 2015, Pico is a VR company committed to developing immersive and interactive VR experiences for people around the world. Pico also provides tailor-made solutions for our enterprise clients in the fields of education and healthcare. Why Join ByteDance Inspiring creativity is at the core of ByteDance's mission. Our innovative products are 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 enrich life - a mission we work towards every day. As ByteDancers, 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. 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 ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.