

Sr. Data Engineer - W2
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Engineer in Pleasanton, CA, on a W2 contract. Requires 8-12 years of experience, strong skills in Python, Java, or Scala, and expertise in big data technologies. Must have cloud platform experience and advanced SQL proficiency.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
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ποΈ - Date discovered
July 26, 2025
π - Project duration
Unknown
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ποΈ - Location type
On-site
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π - Contract type
W2 Contractor
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π - Security clearance
Unknown
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π - Location detailed
Pleasanton, CA
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π§ - Skills detailed
#Data Engineering #Data Pipeline #Documentation #BigQuery #Programming #Hadoop #AWS (Amazon Web Services) #Data Modeling #Data Quality #Big Data #Java #"ETL (Extract #Transform #Load)" #SQL (Structured Query Language) #NoSQL #Computer Science #Cloud #Python #Spark (Apache Spark) #Scala #Data Warehouse #Consulting #Visualization #Azure #Databases
Role description
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Position: Senior Data Engineer
Location: Pleasanton, CA
Type: Contract-W2 (Ongoing)
Interview Process: 1-2Β technical interviews followed by in person
Overview
We are seeking a Senior Data Engineer to help design, build, and deliver robust data solutions for our clients across multiple industries. In this role, youβll collaborate closely with client teams to gather requirements, architect scalable data pipelines, and implement solutions that drive business insights.
This position is ideal for a candidate with a solid foundation in data engineering, proven hands-on experience with modern data platforms and tools, and the ability to tackle complex data challenges in a dynamic consulting environment.
Key Responsibilities
β’ Partner with clients to understand their business needs and create tailored data engineering solutions.
β’ Architect, build, and maintain scalable data pipelines, ETL/ELT workflows, and data warehouses to enable advanced analytics and reporting.
β’ Assess and audit data quality, integrity, and performance, recommending improvements where needed.
β’ Lead and mentor data engineers and analysts, providing technical guidance throughout project lifecycles.
β’ Optimize and tune data pipelines and queries for maximum efficiency and speed.
β’ Develop and maintain documentation, standards, and best practices for all data engineering initiatives.
β’ Stay informed on emerging tools and trends in data engineering, advising clients on best practices and new technologies.
β’ Support business development efforts by contributing to proposals, presentations, and client meetings.
Qualifications & Requirements
β’ Bachelorβs or Masterβs degree in Computer Science, Engineering, or a related field.
β’ 8-12 years of experience in data engineering, ideally within consulting or client-facing roles.
β’ Strong programming skills in Python, Java, or Scala.
β’ Proven expertise with big data technologies such as Hadoop, Spark, or Flink.
β’ Hands-on experience with cloud platforms (AWS or Azure).
β’ Advanced proficiency in SQL and experience with relational and NoSQL databases (BigQuery experience preferred).
β’ Strong problem-solving and analytical abilities, with attention to detail.
β’ Excellent communication skills, able to translate complex technical concepts to non-technical stakeholders.
β’ Ability to thrive in a fast-paced consulting environment and work independently or collaboratively.
β’ Willingness to travel for client engagements as needed.
Core Skill Set
β’ Data Modeling & Architecture
β’ Data Engineering & ETL Development\\
β’ Data Analytics & Visualization
β’ Cloud and Big Data Ecosystems