PubMatic · 3 months ago
Senior Principal Software Engineer, Mobile App Monetization
Redwood City, US
Full-time
Hybrid
Senior Level, Lead/Staff
$195K/yr - $212K/yr
8+ years expPubMatic is one of the world’s leading scaled digital advertising platforms, offering more transparent advertising solutions to various stakeholders. They are seeking a Senior Principal Software Engineer to lead the design and development of a next-generation mobile app monetization platform, focusing on high-performance, scalable systems for programmatic monetization across mobile ad formats.
AdvertisingInternetMarketing Automation
Responsibilities
Architect and implement scalable APIs and backend services powering mobile app monetization, including SDK-driven request handling, real-time targeting, ML-based decisioning, and campaign selection logic
Develop low-latency, high-throughput server-side systems capable of handling billions of RTB bid requests daily
Collaborate with ML Engineering and Data Science teams to integrate models for yield optimization and performance enhancement
Design and support A/B testing and experimentation frameworks to evaluate monetization strategies across diverse ad traffic
Contribute to the long-term technical strategy and roadmap for the mobile monetization platform
Champion engineering best practices in observability, fault tolerance, API performance, and modular architecture
Qualification
Required
8+ years of backend engineering experience, with a proven track record of building high-scale, low-latency systems, preferably in the mobile app advertising or programmatic AdTech domain
Strong programming expertise in C++, with additional experience in Go or Java. Solid understanding of Linux/UNIX environments and system-level programming (multi-threading, multi-processing, memory management)
Proficient in data structures, algorithms, and core computer science principles, with experience designing modular, scalable, and fault-tolerant systems
Deep understanding of programmatic advertising workflows, including RTB, OpenRTB 2.x/2.6, bid lifecycle, and mobile SDK monetization
Experience integrating with DSPs, ad exchanges, mediation platforms, and working with SDK-DSP-SSP pipelines, including device graph utilization and session-aware ad serving
Familiarity with rewarded video, native ad formats, in-app gaming monetization, and mobile-specific privacy regulations (e.g., ATT, COPPA)
Hands-on experience with real-time ML inference pipelines, working closely with ML engineers and integrating model predictions into latency-sensitive systems
Practical knowledge of containerized and microservice architectures, with experience in API integrations, caching solutions, data stores, and cloud-native deployments
Skilled in troubleshooting production issues, performing root cause analysis, and supporting live systems with minimal downtime
Ability to write clean, modular, loosely coupled code and develop systems with strong observability and monitoring
Working knowledge of scripting languages such as Python, Shell, or Perl, and hands-on experience with relational databases, preferably MySQL
Excellent interpersonal, written, and verbal communication skills with a collaborative mindset and strong ownership over deliverables
Preferred
Exposure to generative AI tools and familiarity with prompt engineering and AI-powered developer environments
Proficiency in AI-assisted coding, automation, prompt engineering, and an understanding of the strengths and limitations of LLM-generated code is a strong plus
Hands-on experience with mobile monetization SDKs, including client-server interaction and mediation logic
Contributions to open-source AdTech projects, such as Prebid Mobile, RTBkit, or header bidding libraries
Familiarity with industry-standard ML model serving infrastructures designed for real-time inferencing
Understanding of mobile-specific user acquisition and attribution platforms
Experience working with incrementality measurement, retargeting systems, or audience segmentation for mobile performance marketing
Exposure to privacy-preserving user ID solutions (e.g., UID2.0, RampID) and frameworks like SKAdNetwork (for iOS post-ATT monetization)
Experience with cross-format monetization strategies, such as combining display, video, and native monetization within the same app session
Familiarity with real-time analytics pipelines used to measure monetization KPIs and yield efficiency
Publications, patents, or speaking engagements in the areas of mobile monetization, AdTech infrastructure, or ML for AdTech
Benefits
Paid leave programs
Paid holidays
Healthcare
Dental and vision insurance
Disability and life insurance
Commuter benefits
Physical and financial wellness programs
Unlimited DTO in the US (that we actually require you to use!)
Reimbursement for mobile
Fully stocked pantries
In-office catered lunches 5 days per week
Company
PubMatic
PubMatic is an automation solutions company for an open digital media industry.
501-1000 employees
H1B Sponsorship
PubMatic has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (27)
2024 (17)
2023 (20)
2022 (31)
2021 (25)
2020 (15)
Funding
Current Stage
Public CompanyTotal Funding
$63MKey Investors
NGP CapitalHelion Venture PartnersNexus Venture Partners
2020-12-08IPO
2015-06-19Secondary Market
2014-02-06Series Unknown· $13M
Leadership Team
Rajeev Goel
Co-Founder & CEO
Mukul Kumar
Co-Founder & President, Engineering
Recent News
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Company data provided by crunchbase