• Design and implement server-side services using Kotlin, Java, and Spring WebFlux • Build and maintain fault-tolerant, high-throughput data pipelines • Develop and maintain high-performance APIs • Collaborate closely with frontend engineers to integrate user-facing features • Contribute to PostgreSQL schema design and optimization • Improve system throughput and reliability through profiling, tuning, and performance testing • Scale services horizontally in a cloud-native environment • Integrate performance and reliability checks into CI pipelines • Participate in weekly standups, code reviews, and architectural discussions