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HireIO Inc

Senior ML Engineer - Search Relevance & Ads Optimization

HireIO Inc, San Jose, California, United States, 95199


Company Overview

We are a global tech leader focused on pushing the boundaries of search engine monetization across various platforms. Our team is dedicated to leveraging state-of-the-art machine learning technologies to optimize advertising solutions and drive innovation in search monetization. With a mission to expand our footprint in the digital advertising space, we are looking for a highly skilled Senior Machine Learning Engineer to join our team and contribute to the growth of our U.S. Search Ads business. Job Description

As a Senior Machine Learning Engineer on our Search Ads team, you will play a critical role in the development and scaling of a large-scale ad platform. You will be responsible for creating, optimizing, and implementing machine learning models to enhance ad personalization, ranking, and relevance. This role offers a unique opportunity to make a direct impact on the growth and success of our search monetization initiatives. Key Responsibilities

Participate in the

design and development

of a large-scale

search ads system . Optimize

relevance models

and strategies using techniques like

semantic matching, active learning , and

multi-modal models . Develop and iterate on

ad algorithms

to improve ad targeting, personalization, and user engagement. Enhance

NLP capabilities

for better query understanding, including

query classification, seq2seq models, NER (Named Entity Recognition) , and

knowledge graph optimization . Work on

CTR (Click-Through Rate)

and

CVR (Conversion Rate)

model accuracy, focusing on data analysis, modeling, and feature engineering. Conduct research and development on

ad pacing algorithms

and traffic control to optimize ad performance. Collaborate with product managers and cross-functional teams to define product strategies and features. Qualifications & Skills

Bachelor’s degree

in Computer Science, Computer Engineering, or a related field. 5+ years of experience

in search, ads, recommendation systems, monetization, or related domains. Proficiency in

programming languages

such as

Python, Go, or C/C++ . Strong expertise in

Machine Learning, Deep Learning, NLP , and

ranking/recommendation systems . Demonstrated ability to

analyze data , create predictive models, and optimize performance metrics. Excellent

problem-solving skills

with the ability to think critically and formulate solutions in a clear, concise manner. Proven track record of working in

fast-paced, cross-functional environments , preferably in Tier 1 or Tier 2 tech companies. Strong communication and collaboration skills, with the ability to work effectively in a

cross-cultural

team setting. Bilingual proficiency in Chinese and English is preferred, but not required. Job Type : Full-time

Location : San Jose, CA, United States