Job Overview
Location
Serbia
Job Type
Full-time
Category
Marketing
Date Posted
March 18, 2026
Full Job Description
đź“‹ Description
- • As a User Acquisition Manager at Ruby Labs Ltd., you will drive customer acquisition for subscription-based web products, directly impacting the company's growth engine by managing and scaling performance marketing campaigns across Meta, Google, and emerging platforms like Snapchat and TikTok. Your work will be central to achieving profitable scale in a fast-paced, startup-style environment where ownership and measurable impact are highly valued.
- • You will own the end-to-end lifecycle of user acquisition campaigns, including strategy development, execution, optimization, and reporting, while collaborating with cross-functional teams in data, product, creative, and leadership to ensure alignment with business goals and KPIs. This role demands both strategic vision and hands-on execution, with a focus on maximizing ROAS, identifying scaling opportunities, and building repeatable, data-driven growth systems.
- • Ruby Labs is a leading tech company creating innovative consumer products across health, education, and entertainment industries, operating with a remote-first culture and a strong emphasis on autonomy, impact, and rapid iteration. The company values entrepreneurial mindsets and rewards individuals who thrive under pressure, embrace challenges, and consistently deliver measurable results in high-growth environments.
- • In this role, you will deepen your expertise in performance marketing, advanced attribution modeling, and cross-channel budget allocation while gaining leadership experience in shaping acquisition strategy and influencing company-wide growth initiatives. You will also sharpen your skills in experimentation, creative optimization, and market expansion — positioning yourself as a strategic growth leader in the digital marketing space.
🎯 Requirements
- • 4+ years of experience in user acquisition for subscription-based products (web-web or web-app)
- • Proven track record of scaling performance marketing campaigns profitably
- • Hands-on experience managing 7-figure monthly advertising budgets
- • Advanced skills in campaign analysis, attribution, and optimization using tools like Tableau, Google Ads, and Meta reporting
- • Strong strategic thinking with data-driven experimentation and ROI-focused mindset
- • Excellent communication and collaboration skills for cross-functional teamwork
- • Self-motivated, proactive, and able to work independently with strong project management abilities
- • Entrepreneurial and results-oriented mindset with passion for measurable impact
🏖️ Benefits
- • Remote Work Environment: Work from anywhere with flexibility to promote work-life balance
- • Unlimited PTO: Take paid time off as needed to recharge and prioritize well-being
- • Company-provided MacBook: Receive top-notch Apple hardware for seamless productivity
- • Flexible Independent Contractor Agreement: Gain autonomy, tax advantages, and freedom to work globally
- • Paid National Holidays: Enjoy paid time off on national holidays to rest and recharge
Skills & Technologies
About Ruby Labs Ltd.
Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.
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