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Senior eCommerce Manager

Park City, Utah, United States

Company Overview:

Momentous is a dynamic, fast-growing human performance company offering the highest quality supplements designed to enhance physical and cognitive well-being. At Momentous, we believe that people at their best will produce a positive impact in their personal lives, communities, and, ultimately, the world. No matter our customer's goal or what they want to achieve, we are on a relentless quest to help them get there. We work with some of the greatest minds in science and athletic performance who tap into the latest research and real-world experience to create a portfolio of products designed with one common goal—to help our customers be their best.

What we’re proud of:

  • Best in the field. We have built an advanced network of world-renowned experts in the field of human performance.
  • Trusted and used by the best. We are honored to work with more than 150 teams in professional and NCAA sports, including Stanley Cup Champions, Tour de France winners, and all NFL Teams.
  • Push what’s possible. We were named to the prestigious Inc. 5000 list as one of the fastest-growing companies in the US in 2023 and 2024 (#345 in 2024). 

Position Summary:

We’re looking for a Senior Manager, eCommerce to lead technical project execution across our web platforms. This role is perfect for someone who thrives in the details, excels at turning complex requirements into streamlined execution, and gets excited about architecting technical solutions that improve site performance and customer experience.

This person will own the end-to-end lifecycle of major web projects—from planning and scoping through dev collaboration, QA, and implementation. You’ll bring technical fluency, project management expertise, and a systems mindset to the role, working across teams to ensure projects land on time, on spec, and fully documented.

Ideally, we’re looking for someone who came up through QA, technical product management, or technical project management and who enjoys being in the weeds on implementation.

Responsibilities:

 Project Scoping & Planning

  • Collaborate with the Director of E-Commerce to define project requirements, timelines, and technical feasibility
  • Create and manage detailed project plans, including milestones, resourcing, and dependencies
  • Scope integrations, feature builds, or systemic improvements that align with platform architecture and business goals

Technical Consultation & Execution

  • Act as the subject-matter expert on Shopify Plus (headless experience preferred), Prismic, and adjacent tools
  • Provide technical leadership for implementing new apps, integrations, or infrastructure changes
  • Work closely with external developers to ensure code quality, scalability, and alignment with our systems

Project Management & Coordination

  • Own day-to-day project tracking: prioritize tasks, escalate roadblocks, and keep cross-functional teams aligned
  • Manage QA processes and lead testing cycles for new features, updates, and bug resolutions
  • Serve as the central point of contact for cross-functional communication (eComm, Marketing, Dev, Design)
  • Manage dev queue and agency

Documentation & Handoff

  • Ensure all completed projects are documented and maintainable
  • Facilitate handoffs to internal teams for ongoing maintenance and support
  • Conduct knowledge transfer sessions as needed

 Qualifications: 

  • 5+ years of technical project or product management experience, ideally in e-commerce
  • Expertise with Shopify Plus, bonus if headless, Recharge or other subscription platform experience
  • Prismic CMS or other CMS experience preferred
  • Strong technical acumen-comfortable discussing architecture, APIs, and dev workflows
  • Proven ability to lead complex projects with multiple stakeholders and dependencies
  • Excellent organizational and communication skills. You thrive on structure and clarity
  • A background in QA, dev project management, or technical implementation is ideal
  • Experience in a subscription-based business or fast-paced startup environment is a big plus
  • Passion for a high performance lifestyle

Benefits:

  • Our fast-paced, high growth environment creates a strong opportunity for professional development born from evolving experiences
  • Competitive cash compensation plus employee stock options
  • Health/Vision/Dental
  • Unlimited PTO 
  • Generous set of observed holidays (17 days of office closure in 2025)
  • $1,000 annual perks program to support a high performance lifestyle
  • Access to Momentous products and merchandise 


Location:

This is a hybrid position out of our Park City, UT office.


EQUAL EMPLOYMENT OPPORTUNITY

Momentous provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We are committed to bringing together individuals from different backgrounds and perspectives, and providing employees with a safe and welcoming work environment where everyone can thrive. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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