About this role.
Ruby Labs is seeking a Senior Email Marketing Manager to own and scale the email marketing program for a fast-growing online social sweepstakes casino platform. This role requires hands-on experience with Customer.io, managing a database of 10M+ contacts, and running daily broadcast campaigns with deep segmentation. The ideal candidate has at least 3 years of iGaming email marketing experience and can hit the ground running from day one. This is a high-ownership, remote position within CET time zone, offering unlimited PTO and a company-provided MacBook.
Role DNA
A quick view of the complexity, pace, ownership and collaboration implied by the job description.
Job Complexity
4/5Pace & Pressure
5/5Autonomy Level
5/5Communication Load
4/5Salary analysis
Estimated compensation compared with the broader US market for similar roles.
Core skills
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Cover letter sample
I am writing to express my strong interest in the Senior Email Marketing Manager position at Ruby Labs. With over 5 years of hands-on experience in email marketing, including more than 3 years specifically in the iGaming and social casino space, I have a proven track record of managing large-scale email programs and driving revenue growth through data-driven strategies.
At my previous role, I successfully scaled an email database from 2M to over 10M contacts, implementing robust segmentation by VIP tier, deposit status, and behavioral triggers. I am highly proficient in Customer.io and have extensive experience running daily broadcast campaigns, A/B testing, and coordinating cross-channel initiatives with push, SMS, and in-app notifications.
I thrive in fast-paced, high-ownership environments and am passionate about optimizing lifecycle marketing to maximize player engagement and lifetime value. I am confident that my skills align perfectly with Ruby Labs' needs, and I look forward to the opportunity to contribute to your team.
Sample interview questions
I have used Customer.io for over 2 years to manage email campaigns for a 10M+ subscriber base. I created dynamic segments based on lifecycle stage, deposit status, and VIP tier, and leveraged the platform's workflow automation to trigger personalized broadcasts. For example, I set up a re-engagement workflow for lapsed players that increased reactivation by 15%.
I start by defining key user attributes: acquisition source, first deposit status, VIP tier, engagement frequency, and recency. I then create 10-15 segments such as 'FTD non-depositors', 'Gold+ active', 'Dormant high-rollers', and 'Expired offer recipients'. I continuously refresh these segments based on real-time behavior and ensure compliance with data privacy regulations.
In a previous role, I noticed declining click-through rates on daily promo emails. I set up A/B tests testing subject lines, send times, and creative layouts. By shifting send times from 10 AM to 2 PM based on user timezone and simplifying the call-to-action, we improved CTR by 25% and revenue per email by 18%.
I implement a multi-layered approach: regular validation of new sign-ups, suppression of bounces and spam complaints, and adherence to best practices like warm-up domains for new IPs. I also monitor inbox placement rates and use seed testing to adjust strategies. At my last job, I reduced bounce rates from 5% to 1.2% within three months.
I work closely with CRM and product teams to plan a weekly promo calendar that sequences channel touches. For example, a VIP offer might start with an email, followed by a push notification 2 hours later, and an SMS reminder on expiry day. I use consistent messaging and tracking parameters to measure cross-channel attribution and avoid over-communication.
About us
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we’re always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
About the role
We’re looking for a super hero, hands-on Senior Email Marketing Manager to own and scale our email marketing program for a fast-growing online social sweepstakes casino platform. You’ll be responsible for managing a large, segmented user base, running daily broadcast campaigns, and continuously improving conversion through data-driven testing — all within Customer.io.
This is a high-ownership role for someone who has done this exact job before in the online casino/gaming industry and can hit the ground running from day one.
Key Responsibilities
Own the end-to-end email marketing strategy and execution
Manage promo plan with the emails and offers being sent out on a daily/weekly basis
Secure 0 days of downtime with the email broadcasting
Grow email database almost from the ground zero toward 10M+ contacts, and manage it at that scale — including acquisition, deliverability, list hygiene, and compliance
Build and maintain deep audience segmentation (10–15+ segments) based on lifecycle stage, deposit status (FTD/no FTD), VIP tier (Bronze, Silver, Gold, Emerald, Diamond, etc.), and behavioral signals
Plan and launch daily broadcast campaigns across the entire segmented database — including time-sensitive/expiring offers
Coordinate closely with design/creative to ensure offer emails are on-brand, visually consistent, and shipped on a daily/weekly cadence
Maintain detailed logs and reporting of every broadcast sent (open rate, click rate, conversion, revenue per segment)
Analyze campaign performance weekly, generate hypotheses, and continuously test subject lines, offers, send times, and segment logic to improve conversion rate
Work cross-functionally with product, CRM/lifecycle, design, and community management to align email with pushes, SMS, and other channels
Present weekly performance reviews and improvement plans to leadership
Qualifications
Fluent English
Minimum 2 years of recent, hands-on experience with Customer.io
Minimum 3 years of experience working specifically in email marketing for online casino / iGaming / social casino brands
Experience working with an email database with 10M+ contacts, including hygiene, and deliverability management at scale
Demonstrated experience building and managing deep user segmentation (10–15+ live segments simultaneously, e.g., by VIP tier, deposit status, lifecycle stage)
Experience running daily email broadcasts to a fully segmented database (not just occasional campaigns)
Strong understanding of casino/gaming lifecycle marketing: FTD (first-time deposit) conversion, VIP tiering, re-engagement, and expiring/time-sensitive offers
Experience coordinating email with other channels (push, SMS, in-app) as part of a unified promo calendar
Experience setting up A/B tests for subject lines, send times, and offer creatives
Location
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
Benefits
Discover the perks of being part of our vibrant team! We offer:
Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
Interview Process
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:
Recruiter Screening (40 minutes)
Technical Interview (45 minutes)
Final Interview (30 minutes)
Life at Ruby Labs
At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.
This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.
Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.
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