UA Marketing Specialist (Upto $5000)

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 have full ownership of user acquisition campaigns focused on mobile apps or games — from strategy to execution — with strong support from our in-house creative, analytics, and product teams. We’re seeking someone with a solid background in user acquisition for mobile apps or games, who’s eager to drive performance at scale using tools like Applovin, Google Ads, Meta Ads, TikTok Ads, and more.

• Plan, execute, and scale data-driven User Acquisition (UA) campaigns across mobile ad networks: Applovin, Google Ads, Meta Ads, TikTok Ads, Mintegral, IronSource, and more.
• Monitor and optimize UA campaigns to improve key performance metrics such as 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 ahead of mobile ad tech trends and quickly adapt to changes in platform algorithms, bidding models, and audience behaviors.
• 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.
• 1+ YOE in performance marketing, focusing on user acquisition objectives in Applovin, TikTok Ads, Google Ads, or other ad networks for eCommerce / App, Games.
• Strong analytical thinking and ability to extract growth insights from performance data.
• Familiarity with tracking & attribution tools
• 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 $800 depending on capacity)
• 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