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Full-time
bachelor degree, postgraduate degree
Innovative Benefits For Employees And Families
Posted 2d ago
~40 hrs/week
Responsibilities
Design and implement backend services and APIs for the Moloco Ads Manager campaign management portal. Collaborate with cross-functional teams to build scalable product experiences and improve system reliability and observability.
Requirements
Requires a degree in Computer Science or equivalent experience with 4 to 8+ years of software engineering experience depending on the level. Proficiency in modern programming languages and experience with large-scale distributed systems or web services is essential.
Full job description
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 on the Ads Experience (AdEx) team, you will build and evolve core features, services, and workflows that power Moloco’s web-based campaign management portal, Moloco Ads Manager (our Ads Manager UI). Your work will directly shape how advertisers and internal operators create, configure, monitor, troubleshoot, and understand campaigns, helping them operate more efficiently and confidently on Moloco Ads while driving meaningful user and business impact.
The Opportunity
Design, implement, and operate backend services and APIs that support key advertiser and operator workflows in Moloco Ads Manager, including campaign setup, configuration, health monitoring, reporting, alerting, and diagnostics.
Own features or projects end-to-end, from problem framing and requirements review through technical design, implementation, testing, launch, and post-launch iteration.
Partner closely with Product, UX, Data, and ML to turn complex user problems into simple, reliable, and scalable product experiences in the Ads Manager UI and via APIs.
Contribute to analytics and reporting capabilities by integrating with data pipelines and helping deliver clear, actionable views of campaign performance and operational health.
Improve the reliability, performance, and observability of the systems you build through strong engineering practices, including testing, metrics, logging, monitoring, and incident response.
Contribute to raising the team’s engineering bar and support a collaborative culture of technical excellence and continuous improvement.
Basic Qualifications (2 Titles)
Software Engineer II - Ads Experience
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.
Senior Software Engineer - Ads Experience
BS/MS in Computer Science or a related technical field, or equivalent practical experience.
8+ years of software engineering experience, including significant backend or platform work on user‑facing products.
Proficiency in one or more modern programming languages such as Java, Go, Kotlin, C++, or Python, and experience building large‑scale distributed systems or high‑throughput services.
Strong system design skills, with a track record of leading the design and implementation of complex features or services across multiple components or teams.
Deep experience designing and operating web services / APIs and working with relational or NoSQL databases (e.g., BigQuery, Bigtable, MySQL, PostgreSQL).
Proven experience acting as a project tech lead: breaking down ambiguous problems, aligning stakeholders, and delivering projects on time with high quality.
Demonstrated ability to work effectively with Product, UX, Data, and ML partners, influencing product scope and technical trade‑offs.
Fluent in English, capable of driving technical discussions and decisions with global, cross‑functional stakeholders.
Preferred Qualifications
Experience building advertiser-, operator-, or analyst-facing tools such as campaign managers, analytics dashboards, troubleshooting or alerting tools, billing or capacity management systems, or internal operations tools.
Strong exposure to or deep understanding of digital advertising / AdTech, including campaign performance metrics, attribution, reporting dimensions, billing concepts, and advertiser needs.
Experience contributing to analytics and reporting capabilities, including working with data pipelines, schemas, data contracts, SLIs/SLOs, backfill strategies, and latency versus cost trade-offs.
Familiarity with or hands-on experience in cloud platforms and big-data technologies such as GCP, BigQuery, Dataflow, Kafka, and Beam/Spark, especially when integrating them into user-facing products.
Experience working closely with Product, Engineering, UX, Data, or ML teams and incorporating user feedback into product and workflow improvements.
Interest in or demonstrated ability to improve reliability, observability, testing, and overall engineering quality in production environments.
Interest in UX for data-heavy products and in presenting complex operational or performance information in a clear, actionable way.
Prior experience in global or multi-region environments where advertiser needs and regulations differ by market is a plus.
For more senior candidates, experience mentoring engineers and positively influencing team culture and engineering practices is a strong plus.
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.
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.
Moloco’s mission is to be the scaling engine for the internet economy, applying AI to help businesses of all sizes grow. With Moloco’s artificial intelligence platform for growth and performance, every app publisher, commerce marketplace, and streaming business can now unlock the value of their unique, first-party data.
Moloco Ads enables performance marketers to scale user acquisition for mobile apps through our advanced artificial intelligence.
Moloco Commerce Media enables retailers and marketplaces to build their own ads business with a flexible solution that delivers relevance, results, and automation for scaled and streamlined ad operations.
Moloco Streaming Monetization enables streaming media companies to revolutionize their monetization strategy by building an outcomes-based ads business that delivers relevancy for users and results for advertisers.
Moloco was founded in 2013 by a team of machine learning engineers and has offices throughout the US, the UK, Germany, Korea, China, India, Japan, and Singapore.
Offices: 135 Commonwealth Dr, Menlo Park, California 94025, US · 1203 114th Ave SE, Bellevue, WA 98004, US · 600 California St FL 11, San Francisco, CA 94108, US · Singapore, Singapore 189677, SG · 636 Gangnam-daero 2F,, Gangnam-gu, Seoul, Seoul 624, KR
Google AdXBigQueryMachine LearningProgrammatic AdvertisingAdtechAdvertisingRetail MediaDSPDemand Side Platformand Commerce Media
How many Marketing jobs are open in Seoul, South Korea right now?
There are currently 398 open marketing positions in Seoul, South Korea listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Marketing roles in Seoul, South Korea?
Companies currently hiring include Coupang, AMOREPACIFIC, BJAK, Daewoong Pharmaceutical, New Balance Athletics, Inc., among others. Browse the listings above to see every active employer.
Are there remote or hybrid Marketing jobs in Seoul, South Korea?
Yes — 95 of the 398 open marketing positions offer remote or hybrid work (26 remote, 69 hybrid).
How do I apply for Marketing jobs in Seoul, South Korea?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.