Lead Data Scientist

Responsibilities :

• Lead end-to-end data science initiatives, from ideation to deployment, delivering measurable business impact through projects such as feed personalization, product recommendation systems, computer vision and GenAI.
• Collaborate cross-functionally with ML engineers, product managers, and business stakeholders, to design and deploy high-impact models.
• Develop scalable solutions for key areas of product, marketing, operations, and community functions.
• Own the entire ML development lifecycle : data exploration, model development, deployment, and performance optimization.
• Explore and experiment with emerging AI trends, technologies, and methodologies to keep this client at the cutting edge

Must-Have Qualifications :

• 5-8 years of experience building scalable data science solutions in a big data environment.
• Hands-on experience with key machine learning algorithms, including CNNs, Transformers, and Vision Transformers.
• Proficiency in Python, SQL, and Spark (Scala or PySpark), with experience in deep learning frameworks such as PyTorch or TensorFlow.
• Solid understanding of linear algebra, statistics, probability, calculus, and A / B testing concepts.
• Strong problem-solving skills and the ability to communicate complex technical ideas effectively to diverse audiences, including executives and engineers

Preferred Qualifications :

• Experience with personalization algorithms, recommendation systems, or user behavior modeling.
• Familiarity with Large Language Models (LLMs) and techniques such as Retrieval-Augmented Generation (RAG) or Parameter-Efficient Fine-Tuning (PEFT)

6-Month Accomplishments :

• Develop comprehensive understanding of the client's data platform and key datasets.
• Gained insights into challenges related to data scale and noise, implementing strategies to effectively leverage data in decision-making processes.
• Demonstrated proficiency in this client's machine learning systems by applying advanced algorithms to address a business use case.
• Successfully prototype / enhance models aimed at improving key business metrics, contributing to data-driven solutions that support company objectives

12+ Month Accomplishments :

• Collaborated with ML engineers and other data scientists to establish best practices for managing and maintaining machine learning models in production, enhancing system reliability.
• Successfully led the development and deployment of models for resolving business use case(s), contributing to overall company growth and success
• Lead the adoption and application of cutting-edge AI trends and technologies, establishing this client as a pioneer in data science.
• Mentor junior scientists / engineers, fostering a culture of continuous learning and development within the team.
• Skills

Data science, Python, Sql, Aws

• Additional Skills & Qualifications

This person should have experience leading a team (small teams OK) and delivered on similar projects (search, personalization, recommendations, etc.).

Distributed deep learning architecture, trained models, multiple gpu frameworks

• Experience Level

Expert Level

• Job Type & Location
• This is a Permanent position based out of Redwood City, CA.
• Pay and Benefits
• The pay range for this position is $285000.00 - $325000.00 / yr.

Competitive base salary and ISO equity packages tailored to your experience and impact

Company-sponsored dental and vision insurance for you and your dependents

Medical plans including HMO, PPO, and HDHP with employer contributions to HSA

$200 monthly wellness stipend for fitness, wellness gear, or health-related expenses

401(k) plan with a 3% employer match, up to $1,000 annually

Flexible vacation and sick leave / paid time off policy

Generous parental leave and family support benefits

Paid holidays and additional personal days

Free daily catered lunches, snacks, and beverages

Home office stipend and hybrid work flexibility

Employee resource groups (ERGs) to build community and connection

Pet-friendly office

• Workplace Type
• This is a hybrid position in Redwood City,CA.
• Application Deadline
• This position is anticipated to close on Dec 25, 2025.

h4>

About TEKsystems :

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.