Marketing Manager

Onyx is building the consumer trading platform for the speculation economy—bringing prediction markets, sports, crypto, and real-world events into one seamless experience.
Following our Series A led by Payward, we’re growing the team responsible for acquiring, engaging, and retaining customers. We’re looking for a Marketing Manager to own lifecycle marketing, CRM, and customer communications across the business.
This is a hands-on role for someone who enjoys both strategy and execution. You’ll build campaigns, launch promotions, optimize customer journeys, and work cross-functionally to drive user growth, engagement, and retention.
What You’ll Do
Own lifecycle marketing across email, push notifications, in-app messaging, SMS, and Discord
Manage CRM campaigns using Customer.io and other marketing automation tools
Build onboarding, activation, retention, re-engagement, and loyalty campaigns
Own the promotional and marketing calendar, ensuring campaigns launch accurately and on schedule
Write and edit customer-facing marketing copy across multiple channels
Develop customer segmentation strategies and personalized messaging
Partner with Product, Design, Engineering, Customer Engagement, and Compliance to execute campaigns
Analyze campaign performance and continuously optimize engagement, retention, and conversion
A/B test messaging, creative, timing, offers, and customer journeys
Establish scalable marketing processes, QA standards, and campaign documentation
Mentor and manage a Junior CRM Coordinator
What We’re Looking For
4+ years of experience in lifecycle marketing, CRM, growth marketing, or retention marketing
Hands-on experience with Customer.io, Braze, Iterable, HubSpot, Klaviyo, or a similar lifecycle marketing platform
Strong copywriting and communication skills across email, push notifications, and customer messaging
Experience building customer journeys and automated lifecycle campaigns
Strong analytical judgment with experience measuring campaign performance and customer behavior
Highly organized with exceptional attention to detail
Comfortable working cross-functionally in a fast-moving startup environment
Experience in fintech, sports betting, gaming, crypto, marketplaces, or consumer technology is a strong plus
Why Onyx
Help shape the customer experience for a fast-growing consumer trading platform
Own a highly visible function with direct impact on acquisition, engagement, and retention
Work alongside an experienced team from leading technology, trading, and consumer product companies
Fast-moving, collaborative environment with significant ownership and growth
Logistics
Location: NoHo, New York City
Schedule: Hybrid
Compensation: $130,000–$160,000 in total cash compensation, plus bonus and equity
Experience: 3+ years
Work Authorization: Candidates must already be authorized to work in the United States. Onyx cannot provide current or future visa sponsorship for this role.

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