Staff Engineer I

InMobi Advertising is a global technology leader helping marketers win the moments that matter. Our advertising platform reaches over 2 billion people across 150+ countries and turns real-time context into business outcomes, delivering results grounded in privacy-first principles. Trusted by 30,000+ brands and leading publishers, InMobi is where intelligence, creativity, and accountability converge. By combining lock screens, apps, TVs, and the open web with AI and machine learning, we deliver receptive attention, precise personalization, and measurable impact.

Through Glance AI, we are shaping AI Commerce, reimagining the future of e-commerce with inspiration-led discovery and shopping. Designed to seamlessly integrate into everyday consumer technology, Glance AI transforms every screen into a gateway for instant, personal, and joyful discovery.  Spanning diverse categories such as fashion, beauty, travel, accessories, home décor, pets, and beyond, Glance AI delivers deeply personalized shopping experiences. With rich first-party data and unparalleled consumer access, it harnesses InMobi’s global scale, insights, and targeting capabilities to create high impact, performance driven shopping journeys for brands worldwide.

Recognized as a Great Place to Work, and by MIT Technology Review, Fast Company’s Top 10 Innovators, and more, InMobi is a workplace where bold ideas create global impact. Backed by investors including SoftBank, Kleiner Perkins, and Sherpalo Ventures, InMobi has offices across San Mateo, New York, London, Singapore, Tokyo, Seoul, Jakarta, Bengaluru and beyond.

At InMobi Advertising, you’ll have the opportunity to shape how billions of users connect with content, commerce, and brands worldwide. To learn more, visit www.inmobi.com

About InMobi DSP InMobi’s

Demand Side Platform (DSP) is redefining programmatic advertising with AI at its core. InMobi’s DSP empowers advertisers to reach and engage their audiences across the globe through programmatic buying at scale. Every day, we process billions of ad requests in milliseconds, applying advanced machine learning models for bidding, targeting, and personalization—while upholding the highest standards of privacy and compliance.

Our AI-driven architecture continuously learns from massive streams of data to optimize campaigns in real time, enabling brands to engage audiences with unmatched precision and scale. As part of the DSP team, you’ll engineer systems where distributed computing meets largescale inference, and where every millisecond counts. Joining our DSP team means solving complex engineering challenges that shape the future of digital advertising—globally.

About the Role

We are seeking a Staff Engineer, to shape the future of our next-generation real-time, machine-learning driven, privacy-first advertising platform, embedding machine learning and generative AI capabilities into every layer — from ad targeting, bidding strategies, attribution to fraud detection and prevention to creative optimization. You will think AI-first — designing and delivering systems where AI is not an afterthought, but the foundation. You will be the technical north star for multiple teams, influencing architecture, driving innovation, and solving some of the most complex problems in ad tech — from sub-100ms auctions to millions of inferencing to evolving one of the biggest data stacks in the industry. Our systems handle millions of requests per second, few hundred billions per day — and we need You to lead the charge

This role demands deep systems expertise and the ability to harness AI to deliver measurable impact at internet scale.

What You’ll Do

• Strategic Technology Vision and AI-First System Design

-Setting the multi-year technical roadmap balancing innovation, revenue goals, and regulatory constraints.

-Architect low-latency, high-QPS ad-serving systems with AI inference at their core.

-Design pipelines that integrate ML model training, deployment, and continuous learning.

-Build features that leverage generative AI for creative optimization, fraud detection, and personalization.

-Partner with data scientists to translate model prototypes into scalable production systems. 

• Scalability & Reliability

-Lead designs for systems processing billions of events daily with sub-100ms decisioning.

-Optimize infrastructure for both cost efficiency and model serving performance.

-Ensure fault tolerance and rapid recovery in global multi-region setups.

• Technical Leadership

-Lead architectural direction for our ad-serving, bidding, and targeting platforms handling billions of requests daily. 

-Design and evolve low-latency, fault-tolerant, horizontally scalable systems.

-Drive privacy-by-design in all engineering initiatives — ensuring compliance with GDPR, CCPA, and ATT. Review, guide, and influence high-impact technical decisions across multiple orgs.

• Execution & Delivery

- Own the end-to-end delivery of critical platform initiatives from concept to production.

-Solve performance bottlenecks, optimize infra costs, and raise system reliability.

-Champion best practices in software engineering, observability, and operational excellence.

• Influence Beyond Code

-Mentor senior engineers and emerging tech leads, fostering deep technical growth.

-Act as a trusted advisor to product managers, architects, and leadership.

-Represent the engineering org in cross-functional initiatives and technical forums.

-Drive adoption of AI tooling, observability, and automation across the org. 

• Privacy & Compliance by Design

-Implement AI solutions within GDPR, CCPA, ATT constraints.

-Embedding privacy-by-design principles into all data pipelines and ad targeting logic.

• Cross-functional Leadership

-Aligning engineers, data scientists, and product managers to execute on high-stakes launches.

•     Talent Development

-Mentoring budding engineering leaders, growing technical depth, and fostering innovation culture.

• Behavioral & Leadership Skills You Need To Succeed In This Role

- Problem Solver. Incredible Problem Solving Ability

-AI-first mindset — instinctively evaluate how AI can improve outcomes.

-Think and operate at system-level scale — understand trade-offs and long-term impact.

-High-Impact Delivery. Driving a mission-critical release under tight deadlines.

-Financially Responsible Engineering. Reducing infra costs or latency significantly while maintaining performance.

-Balance technical excellence with business needs — know when to innovate vs. iterate. Force multiplier — elevate teams by enabling better decisions, faster execution, and shared technical context.

-Excellent communication skills — can explain complex systems to executives and mentor junior engineers alike.

-Resilient under pressure, able to navigate ambiguity and drive clarity.

-Influence Without Authority. Collaborative and influential — earns trust without relying on authority.

-Culture & Bar Raising. Championing technical standards that scales across the org.

Technical Skills You Need To Succeed In This Role -

-Polyglot. Expertise in high level programming languages preferably Java, Go, Python, or C++

-Demonstrated Experience in High Scale Cloud-native Architecture (GCP/AWS)

-Deep Hands-on Experience in Kubernetes at internet scale, Service Mesh and MicroServices

-Prior experience of building high scale AI/ML enabled systems is a plus

-Exposure to Large-scale model engineering and deployment ecosystem (TensorFlow, PyTorch, Sagemaker)

-Deep experience in Distributed Data Processing (Kafka), Streaming (Flink, Spark Streaming, Beam), Distributed Stores (Cassandra, Bigtable, Aerospike, Redis), Modern Analytics and DataWarehouse Systems (ClickHouse, Pinot, Snowflake) and the Storage Formats (Iceberg)

-Experience in Real Time Bidding, programmatic advertising, or personalization systems is preferred

-Open-source contributions or a presence in developer communities is a plus.

-Advocate and Champion of Software Engineering Practices (CI/CD, TTD)

The InMobi Culture

At InMobi, culture isn’t a buzzword; it's an ethos woven by every InMobian, reflecting our diverse backgrounds and experiences.

We thrive on challenges and seize every opportunity for growth. Our core values — thinking big, being passionate, showing accountability, and taking ownership with freedom — guide us in every decision we make.

We believe in nurturing and investing in your development through continuous learning and career progression with our InMobi Live Your Potential program.

InMobi is proud to be an Equal Employment Opportunity employer and is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the hiring process and in the workplace.

Visit https://www.inmobi.com/company/careers to better understand our benefits, values, and more!