Lead Mobile SDK Developer

Kargo Senior Engineer OpportunityKargo creates powerful moments of connection between brands and consumers to build businesses. Every day, our dynamic teams work to radically raise the bar on what agentic AI, CTV, eCommerce, social, and mobile can do to deliver unique ad experiences across the world's most premium platforms. Taking a Creative Science approach to all we do, we continuously innovate solutions that outperform industry benchmarks and client expectations. Kargo is growing rapidly and currently has offices in NYC, Chicago, LA, Dallas, Sydney, Auckland, London and Waterford, Ireland.Techies who want to build the future. Creatives who want to design it better. Communicators to win business. Collaborators to build it. Data pros who turn numbers into insights. Product builders who turn ideas into innovations. Anyone eager to be on a team that doesn't stop to ask what's next, because they're already building it.The Daily To-DoDiagnose complex in-app failures spanning rendering, SDK behavior, mediation, and attribution—isolating root cause across SDK, mediation, creative, and demand boundaries instead of patching symptomsShip improvements to SDK and rendering infrastructure that improve render success rates and stability across iOS, Android, WebViews, and mediation partnersDeliver latency and efficiency optimizations across the ad stack with quantifiable gains in load time or resource usePartner with Business Development to evaluate and bring online new vendor and demand integrations, weighing opportunities on technical merit and long-term maintainabilityDrive production issues to resolution across engineering, product, and ops without dropping the thread, measurably reducing partner-facing escalationsCommunicate technical findings clearly to Business Development, partners, and non-engineersRaise engineering quality through code review, testing discipline, and thoughtful use of AI-assisted workflows so production defects in the rendering path trend down quarter over quarterQualifications5+ years of software engineering with significant exposure to mobile app advertising technologiesStrong grasp of the mobile programmatic ecosystem—mediation, bidding, SDK integrations, OpenRTB, and ad rendering workflowsHands-on experience with mobile ad creative standards and cross-platform behavior across SDKs, WebViews, and mediation partnersProven ability to debug the full in-app stack, from creative delivery through rendering and attributionPerformance engineering fundamentals: latency optimization, scalability, and system efficiencyFluency with real-device QA, inspection and proxy tooling, and production debugging techniquesPreferred: working knowledge of the mobile privacy and measurement landscape and its impact on ad serving and attribution, plus a Bachelor's in Computer Science, Engineering, or a related technical disciplineIn accordance with applicable federal, state, and local pay transparency laws, the anticipated base salary range for this position is listed below. In addition to base salary, this role is eligible for variable compensation — either the Kargo Sales Incentive Plan (sales roles) or an annual discretionary bonus (all other roles). Actual compensation may vary based on factors such as geographic location, work experience, education, and skills.U.S Salary Range $150,000 —$185,000 USDWhat We're Proud OfAdAge Best Places to WorkThinkLA Partner of the YearBuilt In Best Places to WorkCynopsis 2025 Top Women in Media - Jeannine Shao CollinsMartech Breakthrough Awards - Best Overall Adtech CompanyDigiday Media Awards Best EventCynopsis Media Impact Awards-Best CTV PlatformMartech Breakthrough Awards-CTV InnovationAdweek Media Plan of the Year Awards - Best Use of InsightsFollowing Our LeadBig Picture: kargo.comThe Latest: Instagram (@kargo.hq) and LinkedIn (Kargo) Kargo