Senior Software Engineer – Ad Intelligence Data Platform
Seattle, WA
Category: Development
Industry: Retail
Reference ID: JN -072026-108023
Date Posted: 08/21/2026
Shortcut: http://careers.eliassen.com/ej1QTk
Description:
Hybrid 4 Days a week on-site in either Seattle, WA or Glendale, CA or New York City, NY or Bristol, CT
Our client has an opportunity for a Senior Software Engineer – Ad Intelligence Data Platform on a 12+ month contract. The role joins the Data Platform Engineering group within the Ad Intelligence organization, which provides foundational data infrastructure powering audience solutions, inventory forecasting, operational data systems, and advertising measurement. The team advances advertising through data and AI across streaming and TV platforms.
We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $70.00 to $85.00/hr. w2
Responsibilities:
- Design, build, and maintain large-scale data platforms supporting real-time and batch processing.
- Develop and enhance data pipelines that integrate data from multiple source systems.
- Build cloud-based big data infrastructure with a focus on scalability, performance, and reliability.
- Support streaming and batch data applications using modern data technologies.
- Contribute to architecture, design, implementation, testing, and deployment of data solutions.
- Drive engineering best practices including CI/CD, automated testing, code reviews, and system design standards.
- Collaborate with Product Managers, Program Managers, Data Engineers, Researchers, and QA teams.
- Evaluate and implement emerging technologies across data and AI ecosystems.
Experience Requirements:
- 4+ years of professional software engineering experience.
- Hands-on experience with Python, SQL, PySpark, and Java and/or Scala.
- Experience building and maintaining production-grade data pipelines and integrating data across multiple source systems.
- Familiarity with large-scale data warehouses and data lakes.
- Experience with several big data technologies such as Spark, Flink, Kafka, NiFi, SingleStore, and AWS big data services.
- Experience working within AWS, Azure, or GCP environments and building highly available, enterprise-scale services.
- Understanding of scalable system design and distributed architectures.
- Preferred experience with Databricks, processing petabyte-scale datasets, Terraform, Kubernetes, Spinnaker, IAM, ALB, ClickHouse, Druid, Snowflake, Impala, Presto, Kinesis, and full-stack or backend development using Spring Boot, React, Vue, or Angular.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above