Data Engineer I Jobs in California

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Data Engineer Graduate (Ads Data Application) - 2025 Start (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A88019 Apply to this job Share this listing: Responsibilities TikTok's immersive experience, global presence, and high engagement makes it the ideal marketing destination for business, big and small, to showcase their unique brand identity, connect with their consumers, and build strong lasting relationships over time. The Ads Data Team builds and manages the petabyte scale data infrastructure, batch/realtime pipelines and services

Sr Data Engineer - Remote

UnitedHealth Group

Remote or New York, New York, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us

Principal Backend Software Engineer (Data Team) - ROON

Harman International

California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role At Harman International, we are revolutionizing music metadata management and discovery. As a Backend Engineer

Data Engineer experienced in RETAIL

Emonics LLC

Sunnyvale, California, USA

Contract

Key Responsibilities:Design and develop scalable data pipelines for large-scale processing and transformation. Integrate structured and unstructured data sources from various systems. Build, manage, and optimize data architectures to support business intelligence and analytics. Develop frameworks for data transformation, metadata management, dependencies, and workload orchestration. Collaborate with analysts, data scientists, and product teams to deliver timely and accurate data solutions. Requi

Sr. Principal Backend Engineer - Data Team - Roon

Harman International

California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role At Harman International, we are leading the charge in revolutionizing music metadata management and discovery.

Data Analytics Engineer

Maven Companies

Remote

Contract

Key Responsibilities: Partner with AML and Financial Crimes teams to identify analytical opportunities that improve detection and reduce false positives.Develop and maintain automated analytics workflows to support model tuning, alert optimization, and investigative efficiency.Conduct statistical analysis to evaluate and enhance BSA/AML model performance, including scenario calibration and threshold testing.Build tools and scripts in Python to support ad hoc investigations, data profiling, and m

Sr Data Engineer

Parsons Services Company

Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking a highly skilled and experienced Senior Data Engineer to join our

(USA) Staff, Data Engineer

Walmart Inc.

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do Come join our People Data Engineering Team @Walmart where you'll have the opportunity to manage people data at Walmart scale and make sure the consistent data is being utilized across transactional and analytical systems. About Team: The Enterprise People Technology team supports the successful deployment and adoption of new People technology across the enterprise. As a Fortune #1 company, our work impacts millions of associates globally. We strive to continuou

AI Engineer/Data scientist

Pro Integrate

New York, USA

Third Party

Hi , Greetings from Pro Integrate Consulting ! Hope you are doing well. Job Title: AI Engineer/Data scientist Location: USA-Remote Experience Level: 9 Years C2C We are looking for strong AI Engineers or Senior Data Scientists with solid experience in NVIDIA technologies, RAG Optimization, LLM Building and computer vision. About the Role: We are hiring a Lead AI Engineer to spearhead the design, fine-tuning, and scalable deployment of cutting-edge AI systems, with a focus on deep learnin

Sr Data Engineer (Dbt, FiveTran,)

Critical River, Inc.

Pleasanton, California, USA

Full-time

Title: Sr Data Engineer (dbt, FiveTran, SQL,Google Cloud Platform) Location: Bay Area California (Hybrid) Duration: Fulltime with CR Years of Experience: 10-15 Years Job Description: A talented Senior Data Engineer to join our consulting practice. As a Senior Data Engineer, you will play a pivotal role in delivering data engineering solutions to our clients across various industries. You will work closely with clients to understand their business requirements, design and implement data solutio

Technical Data Scientist/ETL Engineer

GovCIO

Remote

Full-time

Overview GovCIO is currently hiring for an ETL Engineer (or Data Scientist) to j oin our ETL Team focused on designing, developing, and maintaining robust ETL pipelines and data infrastructure within AWS GovCloud environments. This position will be located in Hanover, MD and will be a fully remote position. Responsibilities Design, develop, and maintain robust ETL pipelines and data infrastructure within AWS GovCloud environments. You will work closely with cross-functional teams to ensure th

HR Data Engineer

General Motors

Remote

Full-time

Job Description Work Arrangement: This role is based remotely, but if you live within a 50-mile radius of Atlanta (GA), Austin (TX), Detroit (MI), Warren (MI), or Mountain View (CA) you are expected to report to that location three times a week, at minimum. The Role: The People Analytics CoE is seeking an HR Data Engineer to support data engineering, data automation, and data analytics solutions development, enhancements and management. In this role, you'll be responsible for enhancing our e

Data Architect/ Engineer(Remote)

Kellton

Remote

Contract

This is a long term remote position with one of our major pharmaceutical clients. This role is 100 percent remote. SUMMARY OF POSITION: The Database Architect will be responsible for the management of Oracle and SQLServer database environments hosted at a 3rd party datacenter. The 3rd party will provide day-to-day support and monitoring services. This position will work closely with and manage the hosting partner in order to keep the environment performing to established service level agreements

Senior Software Engineer - Data Analysis Platform

Relativity Space

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Data Engineer

Marathon TS Inc

Remote

Contract

Data Engineer Position Purpose: Senior Data Engineers are critical to designing, implementing, and optimizing scalable data infrastructure to support the data needs of THD. This role involves managing complex data pipelines, ensuring data quality and accessibility, and enabling data-driven insights that drive business decisions. With expertise in Google Cloud Platform (Google Cloud Platform), SQL, and data engineering best practices, this role will guide and mentor junior engineers, collaborate

Data Engineer, Product - USDS

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : N6744 Apply to this job Share this listing: Responsibilities About the team The Product Engineering team designs and implements data strategies and solutions across multiple product domains, including User Growth, Account, Location Based Services, and Notifications. Our Data Engineers work collaboratively in a dynamic environment, where they can directly influence the direction of our products and contribute to the overall success o

Data Engineer Intern (Ads Data) - 2025 Summer (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A249101 Apply to this job Share this listing: Responsibilities TikTok's immersive experience, global presence, and high engagement makes it the ideal marketing destination for business, big and small, to showcase their unique brand identity, connect with their consumers, and build strong lasting relationships over time. The Ads Data Team builds and manages the petabyte scale data infrastructure, batch/realtime pipelines and services

(USA) Principal, Data Engineer

Walmart Inc.

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do Come join our People Data Engineering Team @Walmart where you'll have the opportunity to manage people data at Walmart scale and make sure the consistent data is being utilized across transactional and analytical systems. About Team: The Enterprise People Technology team supports the successful deployment and adoption of new People technology across the enterprise. As a Fortune #1 company, our work impacts millions of associates globally. We strive to continuou

(USA) Data Engineer II

Walmart Inc.

Remote or Denver, Colorado, USA

Full-time

Position Summary Join Walmart/VIZIO's Data Analytics team as a Data Engineer II, where you will play a key role in driving data-driven decisions and solutions. Leverage cutting-edge technologies and collaborate with top talent to impact business outcomes significantly. What you'll do About the Team The Data Analytics team is at the forefront of leveraging data to drive strategic decisions and optimize business performance. We work collaboratively to harness the power of data, ensuring our str

Data Analytics Engineer (Snowflake)

Tentek, Inc.

Culver City, California, USA

Contract

Data Analytics Engineer (Snowflake) We are seeking a skilled Data Analytics Engineer with top technical skills in areas that immediately need focus, including advanced SQL expertise and hands-on Snowflake experience. This role is responsible for ensuring data quality, performing operational data stewardship, and supporting data-driven decision making across the organization. Required Qualifications Technical SkillsSQL Expertise: Top-level SQL skills (3-4+ years) for complex querying, data manip