Senior Software Engineer, Personalization Services Job ID 2026-1062

El Segundo, CA - USA

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

Description

Senior AI Full Stack Software Engineer for Personalization Services

Role Summary:

The Senior AI Full Stack Software Engineer for Personalization Services is responsible for building and operating the backend APIs and services that deliver AI-driven personalization to Internet Brands products. This role focuses on transforming ML outputsretrieval results rankings scores and signalsinto reliable low-latency services that power personalized user experiences in production.

You will work closely with machine learning engineers product managers and platform architects to support rapid experimentation while maintaining high standards for performance reliability and scalability across multiple brands.

Key Responsibilities:

Personalization Services & APIs

Design develop and maintain backend APIs and orchestration services that deliver personalized recommendations and content.

Build service layers that integrate retrieval ranking and ML model outputs into user-facing product experiences.

Implement request orchestration fallback logic and business rules to ensure consistent personalization behavior.

Apply GenAI to enhance personalization through the use of AI Agents and Agent Memory.

Performance Reliability & Scale

Optimize personalization services for low latency high throughput and reliability.

Implement caching timeout handling and graceful degradation strategies.

Monitor service health performance metrics and error rates in production.

Ensure systems scale across high-traffic products and multiple brands.

Experimentation & Iteration

Partner with Product Management and Machine Learning teams to support rapid experimentation

and A/B testing.

Enable feature flags model versioning and configuration-driven experimentation.

Support fast iteration cycles while maintaining production stability.

Collaboration & Platform Alignment

Collaborate with Machine Learning Engineers to integrate models into serving environments.

Work with the Principal Architect to align service design with platform architecture standards.

Partner with Data Engineering to ensure upstream data and features meet serving requirements.

Translate product requirements into robust technical implementations.

Experience & Qualifications:

Required:

Bachelors degree in Computer Science Engineering or equivalent experience.

5 years of experience building backend services in production environments.

Strong experience with:
API design and service-oriented architectures

Backend development in one or more modern languages (e.g. Java Kotlin Go Python or similar)

Distributed systems and cloud-based infrastructure

Proven ability to design systems with performance reliability and scalability in mind.

Preferred:

Experience building personalization recommendation or search services.

Familiarity with ML model serving and inference pipelines.

Experience supporting A/B testing and experimentation platforms.

Knowledge of caching strategies asynchronous processing and message-driven systems.

Experience working in multi-tenant or multi-brand environments.

Why Join Internet Brands

Build the production services that bring AI-driven personalization to life.

Work on high-impact systems serving millions of users.

Be part of a newly formed Personalization team with strong cross-functional collaboration.

Influence both technical architecture and product outcomes.

About Internet Brands:
At Internet Brands we carefully consider a wide range of factors when determining compensation including your background and experience. These considerations can cause your compensation to vary. We expect the compensation for this role to depend on your skills qualifications and experience. We encourage all interested candidates to apply.

In addition to our awesome culture we offer a comprehensive benefits package designed to support the health and well-being of you and your family. Our benefits include health insurance options such as medical dental and vision coverage flexible spending accounts (FSA) for medical and dependent care short-term and long-term disability insurance and life and AD&D insurance. We also provide a 401(k) retirement savings plan with a company match paid time off (PTO) paid holidays commuter benefits as well as access to our Employee Assistance Program (EAP) and well-being coaching addition employees can take advantage of voluntary benefits such as home auto and pet insurance and discounted legal and financial services. For more details feel free to inquire during the interview process.

Internet Brands headquartered in El Segundo Calif is a fully integrated online media and software services company focused on four high-value vertical categories: Health Automotive Legal and Home/Travel. The companys properties and platforms include the WebMD Medscape and Henry Schein ONE networks which are the global leaders in their markets; Nolo Avvo and Martindale which form the largest consumer information provider in the legal market; and CarsDirect Fodors Travel and many others which are leaders in their key vertical markets. Internet Brands award-winning consumer websites lead their categories and serve more than 250 million monthly visitors while a full range of web presence offerings has established deep long-term relationships with SMB and enterprise clients. The companys powerful proprietary operating platform provides the flexibility and scalability to fuel the companys continued growth. Internet Brands is a portfolio company of KKR and Warburg Pincus.

Internet Brands is an equal opportunity employer and we welcome applicants from all backgrounds. We comply with all applicable laws and regulations including the City of Los Angeles Fair Chance Initiative for Hiring Ordinance (FCIHO).

Notice to California residents: you can find information about our privacy practices on: Experience:

Senior IC

DescriptionSenior AI Full Stack Software Engineer for Personalization ServicesRole Summary:The Senior AI Full Stack Software Engineer for Personalization Services is responsible for building and operating the backend APIs and services that deliver AI-driven personalization to Internet Brands product...