Data Scientist

Apex Systems; Sunnyvale, Northern (CA, KY); Hybrid; USD 69,000 - 110,000; Full time

Benefits offered by this job

ESPP Program

401K matching

HSA Health Plan

Job summary

Everforth Apex Systems is seeking a Data Scientist in Sunnyvale, CA (Remote) to customize and scale ML solutions across markets. The role focuses on adapting models, understanding behavior, and driving performance improvements for multi-tenant platforms.

Ideal candidates have 5+ years in Data Science and strong Python skills, with experience in adtech/marketing tech and Databricks on GCP. Global deployments and collaboration with cross-functional teams are essential.

Qualifications

• 5+ years in Data Science, ML, Applied Research, or Analytics.
• Experience deploying ML models at scale.
• Experience with Search, Recommendation, Ranking, Personalization, or Advertising/Marketing tech.

Responsibilities

• Analyze existing ML models to understand design decisions and business logic.
• Adapt and customize capabilities for new business units and geographic markets.
• Evaluate model performance and recommend optimization strategies.
• Collaborate with engineering to integrate solutions into production environments.
• Transform single-tenant ML capabilities into scalable multi-tenant solutions.
• Collaborate with product, engineering, and platform teams to identify architectural enhancements.

Skills

Python

Machine Learning

Data Analysis

Model Deployment

Team Collaboration

Tools

Databricks

GCP

Job description

# Data ScientistApply**Job#: 3052098****Job Description:**Data Scientist**Location:** Sunnyvale, California (Remote)Role OverviewOur organization is accelerating the adoption of mature advertising technology capabilities across multiple business units and international markets. We are seeking experienced Data Scientists to customize, operationalize, and scale existing solutions across new business domains. This role will focus on adapting machine learning solutions, understanding model behavior, optimizing performance for new business contexts, and helping transform business-specific capabilities into scalable, multi-tenant platforms.Key Responsibilities* Analyze existing machine learning models and algorithms to understand design decisions, assumptions, and business logic.* Adapt and customize established capabilities for new business units and geographic markets.* Evaluate model performance in new environments and recommend optimization strategies.* Collaborate with engineering teams to integrate solutions into production environments.* Provide subject matter expertise on model behavior, feature engineering, and performance tuning.* Assist in transforming single-tenant ML capabilities into scalable multi-tenant solutions.* Collaborate with product, engineering, and platform teams to identify required architectural enhancements.* Evaluate model portability and business-rule dependencies across markets.* Work with international stakeholders to ensure solutions meet regional requirements.* Support long-term roadmap planning and capability expansion initiatives.Required Qualifications**Experience:** 5+ years of experience in Data Science, Machine Learning, Applied Research, or Analytics. Experience developing and deploying machine learning models at scale. Experience with one or more of the following: Search systems, Recommendation systems, Ranking algorithms, Personalization engines, Advertising technology, Marketing technology, or Campaign optimization. Experience analyzing large-scale datasets and translating insights into business outcomes.**Technical Skills:** Strong proficiency in Python.Preferred Qualifications* Experience in AdTech, Retail Media, Digital Marketing, or E-commerce.* Familiarity with embeddings, vector search, semantic retrieval, and modern ranking methodologies.* Experience working with Databricks and GCP.* Experience supporting global or multi-market product deployments.* Exposure to experimentation frameworks, incrementality measurement, and causal inference techniques. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Remote:** Yes**Location:** Sunnyvale, CA, US**Job Type:****Date Posted:** September 15, 2026**Pay Range:** $50 - $80 per hour