About this role.
Ruby Labs is seeking a remote User Acquisition Manager to execute and optimize paid acquisition campaigns across Meta and Snapchat. The role owns daily campaign operations, including budget and bid management, audience segmentation, creative testing, funnel switching, performance reporting, and cohort analysis. Success is measured primarily through efficient growth, CPA, ROI, and ROAS across worldwide and standalone market segments. The ideal candidate has at least two years of hands-on performance marketing experience, strong analytical judgment, and the ability to react quickly to changing results. The position is aligned to CET working hours, operates under an independent contractor agreement, and requires close collaboration with creative and cross-functional teams.
Role DNA
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Job Complexity
4/5Pace & Pressure
5/5Autonomy Level
4/5Communication Load
4/5Salary analysis
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Core skills
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Cover letter sample
Dear Hiring Team,
I am excited to apply for the User Acquisition Manager role at Ruby Labs. I bring hands-on performance marketing experience managing paid social acquisition campaigns, optimizing Meta and Snapchat activity against CPA, ROAS, and growth targets.
I am comfortable owning daily campaign execution across audiences, budgets, bids, placements, funnels, and creative tests, while using cohort and segmentation analysis to identify scalable opportunities. I also work effectively with creative and cross-functional partners to turn performance insights into stronger testing plans and measurable results.
I would welcome the opportunity to bring a disciplined, analytical, and proactive approach to Ruby Labs' fast-moving growth team. Thank you for your consideration.
Sample interview questions
I begin by validating tracking, attribution windows, conversion-event integrity, and any recent changes to landing pages, offers, creatives, or account settings. I then segment the decline by platform, campaign, geography, audience, placement, creative, and funnel stage to isolate the driver. I protect spend by reducing or pausing inefficient segments, shift budget toward stable performers, and launch focused tests before scaling the corrective action.
I use a structured test matrix that limits variables so results are interpretable. For creative testing, I test distinct concepts, hooks, formats, and messaging against a consistent audience and optimization event, then evaluate spend, CPA, CTR, CVR, and downstream ROAS. Winners are validated with additional spend and then adapted into new audiences, placements, or campaign structures for scaling.
I assess performance beyond top-line CPA by reviewing cohort conversion quality, retention, revenue, refunds where relevant, and ROAS by acquisition date. This helps distinguish cheap traffic from high-value users and informs decisions about targeting, optimization events, budget allocation, and acceptable CPA thresholds.
I monitor budget delivery, CPA, ROAS, frequency, CPM, CTR, conversion rate, and creative fatigue indicators at a cadence appropriate to spend and volatility. I set clear guardrails for pausing, reducing, or increasing budgets, and document meaningful changes so the team can separate normal fluctuation from actionable trends.
I would explain the performance insight in business terms, such as which concept, audience, or funnel stage is driving efficiency and why. I would provide specific creative recommendations, including winning hooks, visual patterns, claims, formats, and audience context, while agreeing on a prioritized testing backlog and feedback loop with the Creative Manager.
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 are looking for a User Acquisition Manager who will participate in daily growth marketing activities and operations on Meta & SnapChat. The ideal candidate is self-motivated, self-driven, eager to grow and learn, with strong adaptability to fast changes and a quick learning ability.
You are expected to work directly inside ad accounts every day across various funnels, based on strategy and planning, launch and optimize campaigns, and make performance analysis and apply relevant changes that will facilitate metric improvements.
Results, efficiency, and ROI are the primary measures of success. If you are excited about managing budgets, regions and driving measurable growth this role is for you.
Key Responsibilities
Execute and optimize sales campaigns across Meta & SnapChat, covering multiple funnels, including worldwide and standalone segments
Keep on track of adapting relevant creative sets to the campaigns, optimise ad sets with bids and budgets and applicable ad combinations
Take full control and ownership of testing creatives generated for SnapChat and also adapt from Meta, analyze ad performance, deliver reporting, and identify key trends and insights
Deeply analyse the testing creative tendencies, identify winners, locate them individually in new campaigns and in existing ones for optimisation
Analyse cohort performance, create dedicated campaigns for genders, age segments, interest based ones
Continuously monitor and optimize performance on a daily and hourly basis across budgets, audiences, placements, creatives, and bids
Maintain clear UA processes by following assigned strategies and executing daily tasks, including campaign launches, creative transitions, and funnel switching
Develop custom and lookalike audience campaigns, create campaigns based on interests
Collaborate closely with Creative Managers to source, test, and iterate creative ideas, identifying and scaling top-performing concepts based on performance data
Ensure disciplined execution across account structure, testing frameworks, scaling logic, and performance monitoring
Qualifications
2+ years of hands-on experience in User Acquisition / Performance Marketing, with a proven track record of managing and scaling paid acquisition campaigns
Understanding of key performance metrics, including eCPA, ROAS, CPM
Experience managing worldwide campaigns with deep knowledge of targeting options, placements, audience segmentation, and budget management
Performance-focused – being keen on meeting the target CPA and ROI goals to scaling performance efficiently
Analytical ability to evaluate performance reports and structure campaigns by region, age, gender, and audience segments
Ability to quickly identify, react to, and resolve performance issues within short timeframes
Self-motivated and proactive, with strong adaptability to fast changes, fast problem-solving skills, and a quick learning ability
Excellent communication skills with the ability to effectively collaborate across cross-functional teams
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.
#LI-Remote
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