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KellyMitchell Group

Senior Software Engineer

On site

Glendale, United states

$ 75 /hour

Senior

Freelance

08-12-2025

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Skills

Python Java Scala Big Data CI/CD Research A/B Testing Architecture Programming Software Development Databricks

Job Specifications

Job Summary:

Our client is seeking a Senior Software Engineer to join their team! This position is located in Glendale, California.

Duties:

Develop next-generation experimentation platforms to power advertising decisioning, large-scale A/B testing, and evolving business needs
Build advanced simulation systems that leverage state-of-the-art techniques to solve complex advertising challenges and boost overall business performance
Design and implement scalable, high-performance solutions for large-scale data processing and analysis
Partner with research teams to transform cutting-edge innovations into production-ready features and systems
Architect and optimize distributed systems with a strong focus on performance, scalability, reusability, and flexibility
Champion best engineering practices, including design patterns, CI/CD, code reviews, and automated testing
Contribute across the full software development lifecycle, including system design, experimentation, implementation, deployment, and testing
Collaborate cross-functionally with program managers, product managers, SDETs, and researchers in a highly innovative and open engineering environment

Desired Skills/Experience:

Bachelor’s Degree
5+ years of professional experience
4+ years of professional programming and design experience in Java, Python, Scala, etc.
Experience of building industry level high available and scalable micro-service
Knowledge of system, application design and architecture
Knowledge of big data processing and bigdata technologies
Passionate about understanding the ad business and seeking innovation opportunities to enhance business effectiveness
Passionate about technology, and open to interdisciplinary collaborations
Domain knowledge about advertising
Knowledge for AI/ML technologies and typical technical stacks
Experience with big data solutions like Airflow, Databricks, etc.

Benefits:

Medical, Dental, & Vision Insurance Plans
Employee-Owned Profit Sharing (ESOP)
401K offered

The approximate pay range for this position is between $52.00 and $75.00. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums.

About the Company

Connecting People with Opportunities + Clients with Success.(r) We're KellyMitchell, a leading IT Staffing & Project Solutions partner -- providing adaptive, scalable solutions focused on the top tech needs of the world's leading organizations. Technology Solutions That Work for You We are dedicated to delivering technology solutions expertise -- helping professionals achieve career excellence and companies achieve innovation goals. As an employee-owned, women-led organization, we have a strong commitment to fostering a ... Know more