Senior Backend Engineer

Senior Backend EngineerNew York, New York, United StatesTatari is on a mission to revolutionize TV advertising. Founded in 2016 to help transform the antiquated world of TV advertising through the intelligent application of AI and machine learning, Tatari helps some of the world's fastest growing brands including Chime, Calm, Tecovas, Manscaped, Saatva, and Liquid I.V., reach their customers using linear and streaming TV ads. Our platform combines sophisticated media buying with proprietary analytics to turn TV advertising into an automated, digital-like experience, enabling businesses of any size to advertise on TV.That approach has earned Tatari broad industry recognition, including being named Best CTV AdTech Platform in the 8th annual MarTech Breakthrough Awards, as well as honors from Digiday (Best Connected TV Platform), AdExchanger (Most Innovative TV Advertising Technology), and Business Insider (Hottest AdTech Companies). Tatari has also been recognized as the Best Place to Work by Inc. Magazine. Backed by an executive team of former founders and senior leaders from companies including Shazam, TrueCar, AdapTV, LiveRail, Amazon, Google, Meta, Microsoft, and Yahoo, Tatari continues to scale rapidly as TV advertising enters its next major era.We are looking for Senior Backend Engineers to join Tatari and play a key role in the evolution and scaling of our platform. In this role, you will contribute to system architecture decisions, mentor junior team members, promote best practices, and ship high-quality code to production daily. At Tatari you are empowered to do your best work at a sustainable pace with a stellar group of smart, creative, and humble human beings. Come help us build a television first programmatic buying experience!ResponsibilitiesArchitect and own the development of new featuresCollaborate with tact and lead with empathy across the organization on system architecture, technology, and scaling decisionsMentor more junior members of the teamDesign relational and non-relational data models for optimal storage, retrieval, and complex processing/calculationsDrive technical architecture discussions and peer code reviewsCollaborate effectively with Data Science, Product, and across engineering teams to push boundaries, shape our roadmap, and deliver on our missionQualifications6+ years developing software with object-oriented and/or functional programming languages - Python requiredHands-on experience with agentic coding tools (e.g., Cursor, Copilot, Cody) to accelerate development while maintaining a high quality barExperience evaluating and deploying LLM-based systems in production (latency, cost, reliability trade-offs)4+ years building distributed systems at scale4+ years with a modern data stack (RDS, Databricks, Spark, Redshift, Kafka, Airflow, lakehouse architectures, real-time databases, dbt, etc.)Deep SQL and data modeling expertiseExperience working across the organization delivering on large impact initiativesNice to have:Experience developing highly available API using modern frameworks (e.g. REST, gRPC, GraphQL)Experience developing applied AI/ML-enabled featuresFamiliarity with prompt engineering, RAG architectures, evaluation frameworks, or fine-tuningBenefitsTotal compensation ($170,000 - $200,000)Equity compensationHealth insurance coverage for you and your dependents401K, FSA, and commuter benefits$150 monthly spending account$1,000 annual continued education benefit$500 Newbie Productivity PerkUnlimited PTO and sick daysMonthly Company Wellness Day OffSnacks, drinks, and catered lunches at the officeTeam building eventsHybrid RTO of 2 days per week in office