Senior Software Engineer - Ads Creative

Basic Qualifications

• BS/MS in Computer Science or a related technical field, or equivalent practical experience.
• 8+ years of software engineering experience, with significant backend or platform experience in production systems.
• 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 owning and leading complex services or features end‑to‑end, across multiple components or teams.
• Deep experience designing, building, and operating web services / APIs and working with relational or NoSQL databases (e.g., MySQL, PostgreSQL, Bigtable, BigQuery).
• Proven experience acting as a technical lead: scoping projects, defining technical approaches, coordinating with other engineers, and delivering on time with high quality.
• Demonstrated ability to collaborate with cross‑functional partners (Product, Design, Data, ML, Operations) and to influence product and technical decisions.
• Fluent verbal and written communication skills in English, including the ability to explain complex technical topics to diverse audiences.

Preferred Qualifications

• Experience building systems for creative or media processing pipelines, such as ingestion, validation, transformation, optimization, or content moderation.
• Experience with real‑time ad serving or recommendation systems, especially where creatives or assets are selected dynamically at runtime.
• Familiarity with digital advertising / AdTech, including how creative quality and variation impact performance, experimentation, and advertiser outcomes.
• Hands‑on experience with cloud and big‑data technologies (e.g., GCP, BigQuery, Dataflow, Kafka, Beam/Spark) and integrating them into production services.
• Experience designing experiment and measurement frameworks for creatives (e.g., A/B tests, multi‑armed bandits, creative scoring/selection policies) in partnership with ML teams.
• Experience applying or integrating GenAI or automation for creative transformation, auto‑generation, QA, or classification is a strong plus.
• Track record of mentoring engineers, improving team‑wide engineering practices, and contributing to a positive, inclusive team culture.

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.