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Senior HR Business Partner

Upside - New York, NY, United States - Hybrid - posted 2026-09-23

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Salary: USD 127,000 - 160,000 / annual

Upside transforms brick-and-mortar commerce using technology that brings online retail sophistication—profit measurement, attribution, incrementality—to physical retail. The platform has helped millions of users earn 2-3x more cashback than competitors and hundreds of thousands of brick-and-mortar businesses achieve measurable profit. Billions of dollars in commerce flow through Upside annually. As Senior HR Business Partner, you will be a strategic people partner supporting multiple client groups—including Engineering and Retail Go-To-Market teams—while driving strong employee experiences and business outcomes. You'll work hands-on with people managers at the team and manager level, contributing to broader People & Workplace initiatives as Upside scales. Key responsibilities: - Partner with people managers across multiple functions to support day-to-day HR needs and deliver consistent, high-quality support - Coach and guide managers on performance management, employee development, engagement, and team efficiency - Support and implement people programs including performance reviews, talent discussions, and development initiatives - Analyze people data and trends to identify opportunities and recommend actionable solutions - Serve as trusted point of contact for employees, reinforcing culture and core values - Manage employee relations matters with fairness, discretion, and collaboration with senior HR leaders - Support organizational change initiatives in a scaling company - Partner cross-functionally within People & Workplace to deploy programs, policies, and tools - Escalate complex or sensitive matters involving senior leaders to the Sr. Principal HRBP - Contribute to building a respectful, inclusive, and safe work environment This is a hybrid role based in the NYC Flatiron District office with required in-office attendance Monday, Tuesday, and Thursday. Occasional travel may be required. Requirements: - Bachelor's degree in Human Resources, Business Administration, or related field, or equivalent practical experience - 5+ years of experience as an HR Business Partner in a fast-paced, high-growth environment - Experience supporting Engineering and/or Sales teams as an HRBP - Working knowledge of employment laws and HR best practices - Experience supporting people managers and employees across multiple functions - Strong organizational skills and ability to manage multiple priorities independently - Comfort operating in ambiguity and adapting to evolving business needs - Ability to balance empathy with sound judgment and discretion - Strong communication and relationship-building skills across all organizational levels - Hands-on mentality with bias for action and continuous improvement - Willingness to travel occasionally

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