Software Engineer II - Ads Experience (소프트웨어 엔지니어 II)

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About Moloco: Moloco builds some of the most powerful AI advertising solutions in the world. Our name—short for "machine learning company"—reflects our core mission: democratizing access to the advanced AI that has historically been reserved for tech giants. Led by machine learning pioneers who built some of the most successful ad systems at Google, including YouTube's monetization engine and key search advertising technologies, we're transforming how businesses grow and compete in the digital economy. Built with AI from day one, Moloco’s planet-scale machine learning platform powers a suite of solutions for advertising growth and monetization. Moloco Ads is an AI-powered platform that delivers real business outcomes for mobile app marketers through performance-based user acquisition. Moloco Commerce Media enables retailers and marketplaces to build revenue-generating ad businesses that balance user experience and advertiser performance. Moloco is headquartered in Silicon Valley, with offices in Seattle, New York, San Francisco, Seoul, Beijing, Singapore, Gurgaon, Tokyo, Shanghai, London, Tel Aviv, and Berlin. Moloco is a truly rewarding place to work and in an exciting period of growth, which you could be a part of. Join us today and apply now! About the role As a Software Engineer II on the Ads Experience (AdEx) team, you will build core features and services that power Moloco’s web-based campaign management portal (Moloco Cloud Portal, our Ads Manager UI). Your work will directly improve how advertisers create, manage, and understand their campaigns, helping them operate more efficiently and confidently on Moloco Ads. What You Will Do * Design, implement, and operate backend services and APIs that support advertiser workflows, including campaign creation, configuration, health monitoring, and reporting, in the Moloco Cloud Portal. * Own well‐scoped features or components end‐to‐end: requirements review, design, implementation, testing, launch, and post‐launch improvements. * Collaborate closely with Product, UX, Data, and ML partners to turn user problems into simple, reliable product experiences in the Ads Manager UI and via APIs. * Contribute to analytics and reporting capabilities by integrating with data pipelines and building features such as overview pages, charts, filters, and basic alerting. * Improve the reliability, performance, and observability of services you own (e.g., metrics, logs, on‐call playbooks), and participate in incident response and root‐cause analysis. * Participate in design and code reviews, learning from senior engineers while raising the team's quality bar. Basic Qualifications * BS/MS in Computer Science or a related technical field, or equivalent practical experience. * 4+ years of software engineering experience in backend or full‐stack development. * Proficiency in at least one modern programming language such as Java, Go, Kotlin, C++, or Python. * Solid understanding of data structures, algorithms, and system design, with hands‐on experience building or maintaining web services / APIs. * Experience working with relational or NoSQL databases (e.g., BigQuery, Bigtable, MySQL, PostgreSQL). * Experience owning features or components end‐to‐end under guidance from more senior engineers. * Ability to collaborate effectively in a cross‐functional environment with Product, UX, Data, and ML partners. * Fluent verbal and written communication skills in English; ability to discuss designs, trade‐offs, and timelines with global stakeholders. Preferred Qualifications * Experience building advertiser‐, operator‐, or analyst‐facing tools such as campaign managers, analytics dashboards, or internal operations tools. * Exposure to digital advertising / AdTech, especially concepts like campaign performance metrics, attribution, or billing. * Familiarity with cloud platforms and big‐data technologies (e.g., GCP, BigQuery, Dataflow, Kafka, Beam/Spark). * Experience working with or alongside Product/Eng teams and incorporating user feedback into product improvements. * Interest in UX for data‐heavy products and in learning how to present complex information in a clear, actionable way. Moloco Thrive: Benefits and Well-Being: We take care of you and create the conditions for you to do the best work of your career. Through a lens of inclusion, we offer innovative benefits that empower our employees to take care of themselves and their families so they can do the best work of their lives. Moloco Values: * Lead with Humility: Everyone’s voice is respected, valued, and heard. With humility, we become more open and accessible to each other. We win, lose, and learn together. Accountability and feedback are essential to our success. * Uncapped Growth Mindset: We see all situations as opportunities to learn, grow, and improve as individuals and as an organization. We seek diverse perspectives, encourage curiosity, and promote experimentation to push the boundaries of what’s possible. * Create Real Value: We pursue the most impactful opportunities with rigor and integrity. We take intelligent risks and make disciplined trade-offs to maintain deep focus. We help our customers win by delivering durable value. * Go Further Together: We’re one team working towards one mission and vision. We collaborate proactively and inclusively, involving the right people at the right time and in the right way. We strive to create a more equitable workplace. We won’t let each other fail. Additional Resources: * Moloco Company Blog * Moloco Leadership * Moloco Newsroom AI Use in Interviews Our interview process is designed to get to know the real you. Unless a round specifically includes AI as part of what's being assessed, we ask that candidates engage without AI assistance. Please review our AI Use in Interviews Policy before your interview to understand what to expect. Failure to comply with this policy may impact your candidacy. Equal Opportunity: Creating a diverse workforce and a culture of inclusion and belonging is core to our existence. To reach our goals, diversity of talent and thought is a critical component of how we operate as an organization. Our workforce is our superpower, and we know that fostering a culture of inclusion, authenticity, and belonging gives us the greatest opportunity to achieve our vision to become the scaling engine for the Internet economy. Moloco is an equal opportunity employer. We highly value diversity in our current and future employees and do not discriminate (including in our hiring and promotion practices) on the basis of race, color, creed, religion, national origin, age, sex and gender, gender expression and identity, sexual orientation, marital status, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by law. Candidate Privacy Notice: Your privacy matters to us. By applying, you acknowledge that you’ve reviewed our Candidate Privacy Notice.