SDE III - Backend

About the role

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 Job Summary We re looking for a Senior Backend Software Development Engineer (SDE 3) with deep technical expertise in building and operating production systems at scale. You ll own entire components/services within microservices and data pipelines that handle ~200K queries per second and process petabytes of data daily. This role demands hands-on coding excellence, strong Low-Level Design (LLD) skills, and complete ownership-from component architecture through infrastructure management to cost optimization. You ll architect solutions, lead technical decisions, and drive operational excellence while shipping code daily. Key Responsibilities: Component Ownership: Own one or more critical components/services end-to-end-responsible for architecture, development, deployment, operations, and evolution Technical Ownership: Own the entire lifecycle of your components-design, implementation, testing, deployment, monitoring, incident response, and continuous improvement Low-Level Design: Create detailed technical designs (LLD) for complex systems-defining data models, APIs, concurrency patterns, and failure modes Hands-on Development: Write production-grade code daily-this is not a purely architectural role; you ll be deep in the codebase Infrastructure Ownership: Own and operate the infrastructure your components run on-capacity planning, scaling, reliability improvements Cost Management: Drive cost optimization for owned components-analyze spending, identify waste, implement efficient architectures Scale & Performance: Build and optimize systems handling 200K+ QPS and petabyte-scale data processing Observability: Design and implement comprehensive monitoring, alerting, and debugging capabilities for owned components Incident Leadership: Lead incident response for your components and related services, conduct post-mortems, drive systemic improvements On-Call Excellence: Participate in on-call rotations and ensure your components are operationally sound (runbooks, alerts, dashboards) Technical Roadmap: Define and drive the technical roadmap for your owned components-balancing feature development, tech debt, and operational improvements Technical Mentorship: Guide junior and mid-level engineers on system design, code quality, and production best practices Cross-functional Collaboration: Work with product, infra, and other eng teams to define requirements and deliver solutions Agile Execution: Break down complex projects, deliver incrementally in daily cadence, iterate based on feedback Required Qualifications: Experience: 4-5+ years building and operating backend systems in production environments at scale Education: B.E./B.Tech in Computer Science or equivalent practical experience Component Ownership: Proven track record of owning significant components or services from inception to maturity-demonstrable end-to-end ownership Low-Level Design (LLD): Proven ability to create detailed technical designs-data structures, algorithms, API contracts, concurrency models, failure handling Programming Mastery: Expert-level proficiency in at least one modern language (Go, Python, Java, etc.) with track record of writing maintainable, performant production code Databases: Deep hands-on ex

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