Growth Manager - Mobile (Full‑Time or Part‑Time)

About us
Founded in 2001, MobiSystems is a Bulgarian software company dedicated to empowering users with a better choice for office suite apps. Our feature‑rich tools: MobiOffice and MobiPDF, offer a seamless, privacy‑conscious, and affordable alternative to traditional office suite software for Windows, Android, iOS, and macOS.
Trusted by over 550 million users worldwide, MobiSystems is committed to delivering accessible, cost‑effective solutions that make work and personal tasks easier. We are headquartered in Sofia, with a team of 200 professionals, and a sales office in San Diego, CA.
What are we looking for?
As a Growth Manager at MobiSystems, you’ll go beyond buying impressions. You’ll blend data, creativity, experimentation, and strategic thinking to scale our global product portfolio and strengthen our brand presence across international markets.
You’ll drive strategy, execution, and performance for high‑impact digital products used by millions worldwide. We’re looking for a versatile, data‑savvy, creative marketer who’s eager to test, learn, and grow fast.
This role is available in both full‑time and part‑time formats, depending on your availability and experience.

• Own end-to-end campaign execution - plan, launch, and optimize user acquisition campaigns across Meta, TikTok, Google, and emerging platforms
• Drive creative testing - collaborate with designers and copywriters to develop concepts, test hypotheses, and scale top performing ideas
• Analyze, learn, and scale - build dashboards, track KPIs, and use data to uncover new growth opportunities
• Collaborate across teams - work closely with product, design, and data teams to understand user behavior and shape effective growth strategies
• Innovate fearlessly - experiment with new channels, formats, and campaign ideas, always pushing beyond what’s been done before
• Build global partnerships - work with ad platform partners (Meta, TikTok, Google) and external agencies
• Leverage data and dashboards - Build and monitor BI dashboards for insights and ensure campaigns achieve target KPIs while scaling

Manage the creative pipeline. Develop and test creatives by generating ideas, proposing hypotheses, monitoring implementation, and providing feedback.

• 3+ years of experience in performance marketing, digital growth, or paid media (experience with mobile apps or consumer tech is a plus)
• Strong knowledge of paid social platforms (Meta, TikTok, Google Ads, AppLovin, etc.) and campaign optimization
• Experience with Mobile Measurement Partners (MMP) such as AppsFlyer, Adjust, Singular, etc
• Analytical mindset - confident using data to guide creative and budget decisions
• Creative curiosity - you enjoy testing new ideas and discovering what resonates with users
• Collaborative energy - strong communicator who thrives in fast‑moving, cross‑functional environments
• Interest in optimization and AI tools to improve workflows and efficiency
• Fluent English

• Competitive compensation
• Remote work environment for international candidates: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance
• Opportunity for part time engagement
• Flexible independent contractor agreement: Unlock the benefits of flexibility and autonomy
• Work on inspiring, globally used products in a team of supportive professionals

Please note that only candidates selected for further consideration will be contacted.