Lead Backend Engineer Summary As a Lead Backend Engineer, you will play a key role in designing, building, and owning the distributed systems that power Zeta’s CRM platform. You will collaborate closely with engineers and product managers to shape the technical roadmap and deliver a next-generation, multichannel marketing platform that unifies data across digital touchpoints and drives measurable marketing outcomes. You are expected to bring deep expertise in distributed systems and cloud-native architectures, along with extensive experience designing and developing highly scalable backend services. The role requires a strong focus on highthroughput systems, with careful attention to performance, scalability, reliability, and concurrency, while also providing technical leadership and guidance to the engineering team. Responsibilities: Lead the design and development of next-generation mobile communication services such as SMS, MMS, and RCS (Rich Communication Services), enabling scalable and reliable messaging capabilities. Experience with RCS implementations is a strong advantage. Translate business and product requirements into scalable backend architectures and core platform components for a real-world marketing automation platform. Architect, design, and develop high-performance backend services and APIs that meet evolving product and platform requirements. Ensure high product quality through rigorous code reviews, testing strategies, and adherence to engineering best practices. Drive continuous improvement by debugging issues, resolving production problems, and implementing performance and feature enhancements. Take end-to-end ownership of critical platform components, leading their design, development, scalability, and reliability while guiding engineering best practices. Requirements: We are seeking exceptional engineering talent with strong academic credentials and a solid foundation in computer science, distributed systems design, and large-scale backend platform development. The candidate should have 10+ years of experience building scalable, reliable backend systems using languages such as Java, Python, Ruby, or similar server-side technologies. A Bachelor’s degree in Computer Science or a related field from a university where the primary language of instruction is English is strongly preferred. Excellent communication and collaboration skills are essential to work effectively within large, distributed, cross-functional engineering teams. Qualification: BS or MS in Computer Science or related field 8-12 years of working experience with Python, Ruby and/or J2EE technology, with at least 3-5 years of experience as a hands-on Lead engineer/technical architect Strong experience with distributed systems and data infrastructure technologies, including Kafka, Elasticsearch, and NoSQL databases such as Aerospike Familiarity in data warehousing solutions like Snowflake, ClickHouse, or Redshift, and working knowledge of Thrift, CI/CD pipelines, and AWS cloud services. Experience working with container-based solutions. Experience with multi-tenant architectures (IaaS, PaaS, SaaS) Experience building RESTful web services, Microservices Experience owning and operating multiple instances of mission-critical service Experience with Agile development methodology and Test-Driven Development Experience building real-time streaming data pipelines that scale horizontally Demonstrated working experience with, and quick adoption of, AI tools and AI-based development practices. Experience working in a fast-paced technology environment. Excellent problem-solving, critical thinking, and communication skills. Company Summary Zeta Global is a data-powered marketing technology company with a heritage of innovation and industry leadership. Founded in 2007 by entrepreneur David A. Steinberg and John Sculley, former CEO of Apple Inc and Pepsi-Cola, the Company combines the industry’s 3rd largest proprietary data set (2.4B+ identities) with Artificial Intelligence to unlock consumer intent, personalize experiences and help our clients drive business growth. Our technology runs on the Zeta Marketing Platform, which powers ‘end to end’ marketing programs for some of the world’s leading brands. With expertise encompassing all digital marketing channels – Email, Display, Social, Search and Mobile – Zeta orchestrates acquisition and engagement programs that deliver results that are scalable, repeatable and sustainable. Zeta Global is an Equal Opportunity/Affirmative Action employer and does not discriminate on the basis of race, gender, ancestry, color, religion, sex, age, marital status, sexual orientation, gender identity, national origin, medical condition, disability, veterans status, or any other basis protected by law. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Zeta Global Recognized in Enterprise Marketing Software and Cross-Channel Campaign Management Reports by Independent Research Firm