Staff Data Engineer

Staff Data Engineer

Location: United States (Remote)

Employment Type: Contract

Role Overview

As a Staff Data Engineer, you will design, implement, and optimize data pipelines for models that power player features. You will work with petabytes of data and advanced processing technologies to deliver scalable systems. This role focuses on building and maintaining high-quality datasets and pipelines that fuel recommendation systems, supporting data-driven personalization across various platforms.

Key Responsibilities

• Design, build, and maintain scalable data pipelines for structured and semi-structured data to support analytics, machine learning models, and player-facing systems.
• Implement efficient and reliable data models and transformations within the central data warehouse, focusing on Medallion architecture.
• Develop and productionize pipelines to ingest, transform, and serve data for various systems, including instrumentation for A/B testing and key performance metrics.
• Collaborate with Data Scientists, Machine Learning Engineers, and Software Engineers to ensure data quality and schema clarity.
• Diagnose and resolve issues in data pipelines, optimizing for reliability, performance, and cost efficiency.
• Apply privacy, security, and responsible data use guidelines when building or accessing behavioral datasets.
• Document data models, pipelines, data contracts, and SLAs to ensure transparency.
• Contribute to team engineering practices, including coding standards, testing strategies, and operational best practices.
• Participate in on-call rotations, perform code reviews, and support the mentorship of other engineers.

Required Qualifications

Experience: 8+ years of hands-on experience in data engineering, with a focus on building and maintaining scalable pipelines in production environments.

Technical Skills:

• Proficiency in big data tools and programming languages such as Python, Scala, Spark, and SQL.
• Hands-on experience with Databricks for building and operating scalable data pipelines.
• Experience with orchestration and workflow tools like Airflow, Dagster, or Prefect.
• Experience with DBT for modular data modeling and transformation.
• Familiarity with cloud-based data infrastructure, particularly AWS or GCP.
• Understanding of Medallion architecture, schema design, and data modeling principles.
• Exposure to streaming data pipelines or event-driven ingestion using technologies like Kafka, Kinesis, or Pub/Sub.
• Working knowledge of data quality, testing, version control, and observability best practices.

Preferred Qualifications

• Experience supporting personalization, recommendations, or player-facing ML systems.
• Exposure to feature stores, ML data pipelines, or online/offline data management patterns.
• Knowledge of event-based or contextual recommendation signals.
• Interest in contributing to data architecture and standards.

We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io.

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

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 [email protected] or View phone number on click.appcast.io. 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.