Senior Backend Engineer

Palo Alto, CA San Francisco, CA
USD 171k - 222k
gRPC GCP Kotlin Java
AppLovin enables developers to grow their business. Businesses rely on AppLovin’s market leading technologies to solve their mission-critical functions with a powerful, full stack solution including user acquisition, monetization and measurement. AppLovin is headquartered in Palo Alto, California with several offices globally.

To deliver on this mission, our global team is composed of team members with life experiences, backgrounds, and perspectives that mirror our developers and customers around the world. At AppLovin, we are intentional about the team and culture we are building, seeking candidates who are outstanding in their own right and also demonstrate their support of others. Equality is essential to our purpose – our people are key to cultivating a culture of belonging where employees can engage as their true selves. 

Fortune recognized AppLovin as one of the Best Workplaces in the Bay Area 2022, alongside The San Francisco Business Times and Silicon Valley Business Journal who have also awarded AppLovin one of the Bay Area’s Best Places to Work for the past four years. Check out the rest of our awards HERE.

AppLovin’s Array team is seeking an experienced senior Backend Software Engineer to join our team. Array is a seamless, end-to-end app management suite that delivers more value for mobile operators and end users by tapping into AppLovin’s massive app ecosystem.

In this role, you will architect, develop, and operate Java services that are deployed to millions of users. You will be responsible for designing, developing, and maintaining our backend services.


    • Design and develop high-volume, scalable backend services using Java and other relevant technologies.
    • Optimize system performance and ensure system scalability.
    • Participate in system design reviews, code reviews and provide feedback to ensure the best practices.
    • Work closely with product managers, designers, and other engineers to develop software solutions that meet business needs.
    • Collaborate with cross-functional teams to identify requirements and plan new features.
    • Troubleshoot and resolve issues that arise during development, testing, and production.
    • Stay up-to-date with the latest trends and technologies in backend development, and continuously improve our development processes.


    • Bachelor's degree in Computer Science or related field.
    • 4+ years of experience as a backend software engineer.
    • Must be fluent in Mandarin, with high-level competency in both written and oral communication skills.
    • Experience building distributed systems capable of handling large volumes of traffic.
    • A deep understanding of system design, data structures, and algorithms.
    • Product-focused mindset and good communication skills. Enjoy working in a team-oriented environment that values excellence.
    • Familiarity with cloud infrastructure and services.

    • Bonus Points:
    • Experienced in tools and technologies such as gRPC, GCP, BigQuery and Bigtable.
    • Proficient in Kotlin.


    • Competitive salary and equity compensation
    • Free medical, dental, and vision insurance
    • Work from home stipend each paycheck
    • 401k matching and employee stock purchase plan
    • Flexible time off - take time when you need it
    • AppLovin provides a competitive total compensation package with a pay-for-performance rewards approach.

    • The expected base pay range for this CA based position is $171,000 - $222,000. Total compensation at AppLovin is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Depending on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical and other benefits.
AppLovin is proud to be an equal opportunity employer that is committed to inclusion and diversity. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status, or other legally protected characteristics. Learn more about EEO rights as an applicant here.

If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send us a request at

AppLovin will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law.  If you’re applying for a position in California, learn more here.

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