UA Marketing Specialist, Global E-commerce Mobile App (up to $5000 + Sign-on Bonus up to 3 month)

Crossian is a rapidly growing, technology-driven e-commerce company. Our success is powered by our people. Since starting in 2020, we've created a fast-paced, dynamic environment that has allowed our team to achieve a cumulative average growth rate of over 1000% in less than three years. Our current goal is to develop direct-to-consumer brands and boost customer lifetime value.

As our UA Marketing Specialist, you will take full ownership of user acquisition campaigns - from strategy to execution - with strong support from our in-house creative, analytics, and product teams. We are looking for someone with proven experience in driving UA for mobile apps, games, or e-commerce, who is eager to apply their skills to scale performance. You’ll leverage major ad platforms such as Applovin, Google Ads, Meta Ads, TikTok Ads, Mintegral, and more to deliver growth at scale.

To recognize talent, a Sign-On Bonus of up to 3 months is offered for those joining before November 30th, ensuring you feel valued from your very first day with us.

• Plan, execute, and scale data-driven User Acquisition campaigns across major ad platforms (Applovin, Google Ads, Meta Ads, TikTok Ads, Mintegral, Affiliate, etc.)
• Monitor and optimize UA campaigns to improve key performance metrics such as CAC, CPA, ROAS, and LTV.
• Analyze and report on campaign performance, providing actionable insights for continuous improvement.
• Collaborate closely with creative, analytics, and product teams to align messaging and ensure high-impact executions.
• Stay updated on trends in mobile UA ad tech, adapting quickly to new platform features, algorithms, and bidding models.
• Test and iterate ad creatives, signal segments, and campaign strategies to continuously improve performance and maximize return on investment.

• A bachelor's degree in Marketing, Accounting, Auditing, Finance, Data Analysis, Computer Science, IT, Mathematics, Economics, or a related field.
• 2+ years of experience in Performance Marketing/UA, with hands-on experience running campaigns in apps/games
• Strong analytical thinking and ability to extract growth insights from performance data.
• Familiarity with tracking & attribution tools (e.g., Google Analytics, Appsflyer, Adjust, or similar)
• A growth mindset and performance-driven approach — always testing, learning, and iterating.
• Experience in e-commerce or D2C growth is a plus

At Crossian, our people are the key to our success. We believe in creating an attractive total compensation package (TCP) that not only retains employees but allows them to excel in their profession. These include:

• Well-trained program by our marketing experts, from technical skills by our seniors to soft skills by our team leads and managers
• Clear & transparent career development and promotion opportunities, excel to team lead position within 1-2 years
• Attractive salary, bonus, fair and transparent scheme, income up to $5000/month (basic salary up to $1000 depending on capacity)
• Sign-on bonus may be considered and applied if you join us before November 30th
• Opportunities for internal rotation & master all key digital marketing platform from Google, Meta to Tiktok, Pinterest and many more
• Full salary during probation
• 12 days work-from-home & 12 days of paid annual leave
• Global health insurance package for yourself
• Guaranteed 13th month salary
• Quarterly bonus & Year-end bonus as part of our profit sharing program
• A Pantry & a Crossian Cafe stocked with goodies, ready to serve
• Lots of other company benefits including 5-star annual Summer Summit, budget for frequent team building activities and other monthly / quarterly / annual company events
• General company T&D Program
• Other benefits in accordance to Company's Policy and Vietnam Labor Laws