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Resonate Logo Resonate · IT - Software Development

Senior Data Engineer

United States, Remote-first · Job Posted February 18, 2026
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Job Description

Resonate is a leading provider of high-quality, AI-powered consumer data, intelligence, and technology, empowering marketers to create a more personalized world that increases customer acquisition and lifetime value. We’re looking for a Senior Data Engineer who combines deep technical expertise with strong communication skills and a proactive mindset. You’ll design, build, and optimize complex data pipelines in a cost-conscious environment while actively collaborating with your squad.

Job Responsibility

  • Design and develop high-performance data pipelines using Scala/Spark on AWS EMR
  • Build new features and data products while maintaining operational excellence
  • Optimize pipelines for both performance and cost efficiency
  • Debug complex distributed system issues using appropriate tools and methodologies
  • Implement comprehensive monitoring and observability from day one
  • Write efficient Snowflake/Snowpark procedures across multiple languages
  • Balance new development with continuous improvement of existing systems

Requirements

  • 5+ years of hands-on experience with Apache Spark using Scala exclusively (no PySpark)
  • Proven track record of optimizing large-scale data pipelines for performance and cost
  • Strong AWS EMR experience, including fleet management and instance optimization
  • Proficiency in AWS Step Functions
  • Deep understanding of distributed computing principles and resource management
  • Experience debugging and tuning multi-terabyte daily workloads
  • Comfort working across Scala, Python, and SQL as needed
  • Experience with probabilistic data structures for high-cardinality data processing
  • Advanced troubleshooting abilities in distributed systems
  • Strong understanding of data skew mitigation strategies
  • Metrics-first mindset—measuring before and after optimization
  • Root cause analysis expertise, preventing issues rather than just fixing them
  • Cost-conscious, treating company money like your own
  • Balance between innovation and operational excellence
  • Proactive in optimization—seeing inefficiencies as opportunities
  • Communicate early and often, especially around risks and blockers
  • Ability to interpret needs beyond stated requirements

Nice to have

  • Experience designing large-scale, observable, and maintainable systems
  • Proven ability to balance building new capabilities with perfecting existing systems
  • Strong track record of mentoring and knowledge sharing
  • Background in cost/performance tradeoff decision-making
  • Passion for environments where initiative and ownership are rewarded

What we offer

  • Competitive 401(k) match
  • Open PTO policy
  • Comprehensive benefits package
  • Opportunity to work on cutting-edge, AI-powered marketing data and identity solutions
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