Derflan is seeking a senior-level Business Intelligence Engineer III to join a high-impact e-commerce and marketing analytics engagement. This onsite position in Seattle, WA will partner closely with senior stakeholders to deliver deep insights into marketing performance, customer behavior, and revenue-driving opportunities. The ideal candidate has 7+ years of BI or analytics experience, tech industry background (Amazon, Microsoft, Meta, Google, or similar), and a proven track record of owning analytical projects from strategy through delivery. You must be comfortable working in large-scale data environments, influencing business strategy, and presenting to executive leadership. Job Title: Business Intelligence Engineer III – E-commerce & Marketing Analytics Location: Seattle, WA – Onsite, 5 days per week Contract Duration: 6 months Annual Base Salary: $150,000 (contract equivalent) Start Date: ASAP Key Responsibilities • Lead the design, development, and delivery of analytical projects that inform e-commerce and marketing strategy. • Partner with stakeholders to translate business objectives into measurable KPIs and actionable insights. • Build and maintain SQL-based pipelines, dashboards, and reports for tracking campaign ROI, customer acquisition, and retention. • Conduct advanced analyses including segmentation, predictive modeling, and trend forecasting. • Lead A/B and multivariate experiment design, execution, and interpretation. • Present findings and strategic recommendations to senior executives and cross-functional leadership teams. • Ensure data accuracy, governance, and consistency across analytics deliverables. Required Qualifications • 7+ years of experience in business intelligence, analytics, or data science roles. • Proven tech industry background (Amazon, Microsoft, Meta, Google, or comparable). • Advanced proficiency in SQL (complex queries, optimization, large datasets). • Demonstrated expertise in e-commerce and marketing analytics, including attribution modeling and funnel analysis. • Strong experience presenting to executives and influencing strategic decisions. • Proficiency with BI tools (e.g., Tableau, Power BI, Looker, QuickSight). • Excellent communication skills with both technical and business stakeholders. Preferred Qualifications • Advanced degree in statistics, mathematics, computer science, or marketing. • Experience with Python or R for analytics and automation. • Familiarity with cloud data platforms (Snowflake, Redshift, BigQuery). • Hands-on experience with marketing automation and experimentation platforms. Example Project Work • Developed an automated SQL pipeline consolidating marketing performance data from multiple platforms, cutting reporting time by 50%. • Designed a multi-touch attribution model that increased return on ad spend (ROAS) by 18%. • Built predictive models to forecast customer lifetime value, guiding acquisition budget allocation. • Created executive dashboards to monitor sales performance, retention, and ROI, enabling data-driven strategic planning. Why Work for Derflan? We deliver strategic solutions across marketing, sales, business operations, program management, and technology with a reputation for excellence among Fortune 500 clients. Since 2007, we’ve built a firm centered on long-term partnerships, measurable impact, and delivering results that matter. What sets us apart: • Deep Client Relationships – We work closely with top teams to shape meaningful, industry-defining work. • Longevity & Growth – Over 60% of our consultants have been with us for 3+ years. • Proactive Support – You are never just a name in the system; we advocate for you from day one. • Enterprise Experience + Startup Grit – We blend strategy with action to deliver tangible results. • Inclusive & Independent – Proudly woman- and minority-owned for over 25 years. Our Commitment to You: • Competitive Benefits • Career Growth & Advancement Opportunities • Access to impactful, resume-building projects with top global brands