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Posted May 11, 2026

**Experienced Full Stack Sr. Manager of Forecasting – Global Customer Service Capacity Planning**

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At arenaflex, we're on a mission to revolutionize the way people shop and live. As a leader in the e-commerce industry, we're constantly pushing the boundaries of innovation and customer experience. Our commitment to excellence has earned us a reputation as a world-class e-commerce platform, and we're looking for talented individuals to join our team. **About arenaflex** arenaflex is a global e-commerce leader that strives to be Earth's most customer-centric company. We're passionate about giving customers more of what they want - low prices, vast selection, and convenience. Our evolution from a web site to an e-commerce partner to a development platform is driven by the spirit of innovation that is part of our DNA. The world's brightest technology minds come to arenaflex to research and develop technology that improves the lives of shoppers and sellers around the world. **Job Summary** We're seeking an experienced Sr. Manager of Forecasting to join our Customer Service (CS) team. As a key member of our leadership team, you will create and deliver contact forecasts that will drive cost-effective and comprehensive global capacity planning solutions for our CS network. You will lead a team of analysts and managers across multiple countries, ensuring low error contact forecasts to deliver exceptional service levels. **Key Responsibilities** * Develop and implement short-term and long-term contact forecasts using various forecasting techniques across multiple arenaflex markets * Lead a team of analysts and managers, providing guidance and support to ensure high-quality forecasts and exceptional service levels * Collaborate with senior CS leadership to drive strategic long-term planning initiatives and keep them updated on forecast variance drivers * Manage team performance, ensuring low error contact forecasts and exceptional service levels * Develop and implement process improvements to enhance forecasting accuracy and efficiency * Analyze and interpret data to identify trends and opportunities for improvement * Communicate findings and recommendations to senior leadership and stakeholders * Develop and maintain relationships with cross-functional teams to ensure seamless forecasting and planning processes **Essential Qualifications** * Bachelor's degree in Business, Mathematics, Operations Research, Engineering, or a related field * 10+ years of experience in Forecasting/Planning, with a strong analytical background * Experience managing a team of analytic professionals, including hiring, development, and performance management * Experience with SQL, statistical analysis, and data visualization tools * Excellent communication skills to share findings in an understandable and actionable manner * Ability to lead successfully in a dynamic, fast-paced environment * Ability to manage team to meet tight deadlines and prioritize workloads **Preferred Qualifications** * MBA or Master's degree in Mathematics, Statistics, Computer Science, Engineering, or other business/analytical disciplines, with 10+ years of related work experience * Experience in forecasting, time-series, and multivariate regression * Combination of technical skills and business savvy to interface with all levels and disciplines across the organization * Proven track record of dealing well with ambiguity, prioritizing needs, and delivering results in a dynamic environment * Experience using AWS technologies such as Redshift, S3, etc. * Excellent interpersonal, written, and oral communication skills * Natural curiosity and desire to learn **Skills and Competencies** * Strong analytical and problem-solving skills, with the ability to analyze complex data sets and identify trends and opportunities for improvement * Excellent communication and interpersonal skills, with the ability to communicate complex ideas in a clear and concise manner * Strong leadership and management skills, with the ability to lead and motivate a team of analysts and managers * Ability to work autonomously in a highly demanding and often ambiguous environment * Strong attention to detail and exceptional organizational skills * Ability to manage multiple priorities and deadlines, with a focus on delivering high-quality results **Career Growth Opportunities and Learning Benefits** At arenaflex, we're committed to helping our employees grow and develop their careers. As a Sr. Manager of Forecasting, you'll have the opportunity to work with a talented team of professionals, develop your skills and expertise, and contribute to the success of our global e-commerce platform. We offer a range of learning and development opportunities, including training programs, mentorship, and career advancement opportunities. **Work Environment and Company Culture** arenaflex is a dynamic and fast-paced work environment, with a focus on innovation and customer experience. We're committed to creating a culture of excellence, where our employees feel valued, supported, and empowered to succeed. Our team is passionate about delivering exceptional results, and we're looking for talented individuals who share our vision and values. **Compensation, Perks, and Benefits** arenaflex offers a competitive compensation package, including a salary, bonus, and benefits. We also offer a range of perks and benefits, including: * Flexible work arrangements, including remote work options * Comprehensive health and wellness programs * Professional development opportunities, including training and mentorship * Access to cutting-edge technology and tools * Collaborative and dynamic work environment * Recognition and rewards for outstanding performance **How to Apply** If you're a motivated and experienced professional with a passion for forecasting and customer experience, we'd love to hear from you. Please submit your application, including your resume and a cover letter, to [insert contact information]. We can't wait to hear from you! **Equal Employment Opportunity** arenaflex is an equal employment opportunity employer, committed to diversity and inclusion. We welcome applications from qualified candidates of all backgrounds, and we're committed to creating a workplace that's inclusive and respectful of all employees. **Contact Information** If you have any questions or would like to learn more about this opportunity, please don't hesitate to contact us. We look forward to hearing from you! [insert contact information] Apply Now    
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