Research Engineer Intern (Ads ML Infra) - 2026 Start (PhD)

Ellis Technologies, Inc.; San Jose (CA); On-site; USD 68,191 - 97,120; Part time

Benefits offered by this job

Health insurance

10 paid holidays per year

Paid sick time

Job summary

Ellis Technologies, Inc. is offering an internship in San Jose, CA, for a role focused on building and operating scalable Ads ranking infrastructure systems. Candidates should hold a PhD in computer science or a related technical discipline and possess strong technical skills in algorithms and deep learning.

This intern position also includes benefits such as health insurance, paid holidays, and potential housing allowance, making it a great opportunity for budding professionals in the tech industry.

Qualifications

• PhD degree in computer science or a related technical discipline is required.
• Strong understanding of algorithms, data structures, and software design.
• Solid coding skills with good knowledge of causal inference, uplift models, and deep learning.
• Experience in managing projects and working in the Ads domain is preferred.

Responsibilities

• Lead projects to build and operate scalable Ads ranking infrastructure systems.
• Provide technical leadership and guidance to team members.
• Communicate across teams to drive engineering efforts.
• Lead innovation and bring in new ideas and technologies.

Skills

Algorithms

Data structures

Software design

Problem-solving skills

Causal inference

Uplift model

Deep learning

Project management

Ads domain experience

Large-scale ranking infrastructure

Education

PhD in computer science or related disciplines

Job description

Location

San Jose

Employment Type

Intern

Job Code

A126729

Responsibilities

• Lead projects committed to building and operating scalable and reliable Ads ranking infrastructure systems.
• Provide technical leadership and guidance to team members and project peers.
• Communicate cross‑functionally across various teams, organizations and internal and external stakeholders to drive engineering efforts.
• Lead innovation efforts, and bring in new ideas and technologies.

Qualifications

• PhD degree in computer science or related technical disciplines.
• Strong Computer Science fundamentals (algorithms, data structures, software design) and problem‑solving skills.
• Solid coding skills and a good understanding of algorithms, especially causal inference, uplift model, and deep learning.
• Experience in managing projects.
• Experience in Ads domain (preferred).
• Experience with building large‑scale ranking infrastructure (preferred).

Job Information

The hourly rate range for this position in the selected city is $60-$60.

Benefits may vary depending on the nature of employment and the country work location. 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.

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.
3. Exercising sound judgment.

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