Senior/Staff Backend Software Engineer, Mobile App User Acquisition

5+ years of experience as a Backend Software Engineer. Exposure to large-scale distributed systems and data pipelines in a mobile user acquisition environment. Demonstrated expertise in algorithms, data structures, and complex system design. Experience working with relational and NoSQL databases (e.g., Aerospike, Redis, ScyllaDB). Hands-on experience with building microservices and using message queues (Kafka, SQS, Kinesis). Proven track record of writing highly optimized, scalable code in Go or similar languages. Excellent communication skills and ability to collaborate in a cross-functional, globally distributed environment.

Develop high-performance, data-intensive microservices (primarily in Go) for real-time bidding and user acquisition. Architect and maintain event-driven data pipelines processing billions of mobile signals daily. Collaborate with data scientists and product teams to integrate ML models and targeting logic. Work with technologies including Go, Ruby on Rails, Aerospike, Redis, Elasticsearch, Kafka, Redshift, ScyllaDB, GraphQL. Write performance-efficient, memory-optimized code for reliability, scalability, and speed. Build and optimize reporting systems for client user acquisition campaigns.