Lead Backend Engineer

<p> </p> <p style="text-align: center;"><strong>Lead Backend Engineer</strong></p> <p style="text-align: left;"><strong>Summary</strong></p> <p style="text-align: left;">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.</p> <p style="text-align: left;">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.</p> <p style="text-align: left;"><strong>Responsibilities: </strong></p> <ul> <li style="text-align: left;">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.</li> <li style="text-align: left;">Translate business and product requirements into scalable backend architectures and core platform components for a real-world marketing automation platform.</li> <li style="text-align: left;">Architect, design, and develop high-performance backend services and APIs that meet evolving product and platform requirements.</li> <li style="text-align: left;">Ensure high product quality through rigorous code reviews, testing strategies, and adherence to engineering best practices.</li> <li style="text-align: left;">Drive continuous improvement by debugging issues, resolving production problems, and implementing performance and feature enhancements.</li> <li style="text-align: left;">Take end-to-end ownership of critical platform components, leading their design, development, scalability, and reliability while guiding engineering best practices.</li> </ul> <p><strong>Requirements:</strong></p> <ul> <li>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.</li> <li>The candidate should have 10+ years of experience building scalable, reliable backend systems using languages such as Java, Python