Demo

Senior Data Engineer

Harnham
Boston, MA Contractor
POSTED ON 8/4/2026
AVAILABLE BEFORE 8/24/2026

Senior Data Engineer (Contract)


About Harnham

Harnham is a specialist in data and analytics recruitment. We partner with organizations that are investing in modern cloud data platforms and help them hire experienced data professionals who can deliver production-grade solutions at scale.


About the Client

Our client is a leading membership-based retail organisation undergoing a large-scale data transformation. The business is investing in cloud-native data platforms to improve how operational, customer, merchandising, and supply chain data is collected, managed, and delivered across the enterprise.


Role Details

  • Role: Senior Data Engineer
  • Location: Hybrid near Boston, MA (1 day per week) or fully remote (EST hours)
  • Pay Range: $60 to $80 per hour
  • Start: Target early September
  • Length: 6 month initial contract with likely extension
  • Utilization: 40 hours per week
  • Employment Type: Contract (W2 or C2C)


The Role

This is a hands-on Senior Data Engineering contract focused on building and supporting enterprise data pipelines that power reporting, analytics, and operational decision-making across the business.

You will own the ingestion layer for high-volume retail and operational data, helping move information from source systems into a modern cloud data platform. This role requires strong Snowflake expertise, deep experience with data ingestion, and the ability to work independently while partnering with business and technical stakeholders.


Key Responsibilities

  • Own end-to-end delivery of data engineering solutions, from source intake through production deployment.
  • Design, build, and maintain scalable batch and near real-time ingestion pipelines.
  • Develop Snowflake-based data models and transformation frameworks.
  • Support analytics, reporting, forecasting, and operational decision-making across retail functions.
  • Ensure data quality, lineage, validation, and governance standards are maintained.
  • Partner with stakeholders across technology, operations, merchandising, customer, and analytics teams.
  • Drive engineering best practices around testing, monitoring, documentation, and reliability.


Requirements: Must Have

  • 4 years of professional Data Engineering experience with significant ownership of ingestion pipelines.
  • Extensive hands-on Snowflake experience in production environments.
  • Experience using Snowflake Cortex or other AI-assisted capabilities within Snowflake.
  • Strong SQL skills, including optimisation, validation logic, and large-scale data processing.
  • Experience supporting enterprise data platforms within retail, eCommerce, consumer products, logistics, supply chain, or similarly complex environments.
  • Ability to work independently and communicate effectively with both business and technical stakeholders.


Nice to Have

  • Experience using dbt for data transformation and modelling.
  • Python for data engineering, orchestration, and automation.
  • Experience supporting near real-time or event-driven data pipelines.
  • Familiarity with CI/CD processes, Git, and Agile delivery methodologies.
  • Experience working with customer, merchandising, inventory, fulfilment, or supply chain data domains.


Why Apply?

This is an opportunity to join a major retail organisation that is continuing to invest heavily in modern data capabilities. You'll have direct ownership over critical data pipelines, work with a modern Snowflake environment, and help shape the future of enterprise analytics across a data-driven business.

We will not be utilizing third parties for this search. Please apply directly if interested.

Salary : $60 - $80

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