Senior/Staff Backend Software Engineer, Mobile App User Acquisition

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. The Senior/Staff Backend Software Engineer will design and build high-performance backend services and pipelines for mobile app user acquisition, ensuring real-time bidding and optimal campaign performance.

Responsibilities:

• Design & Build: Develop high-performance, data-intensive microservices (primarily in Go) that drive real-time bidding and user acquisition outcomes for mobile apps
• Scale Systems: Architect and maintain event-driven data pipelines that process billions of mobile signals daily, ensuring low-latency and highly available services
• Optimize User Acquisition: Collaborate with data scientists and product teams to integrate ML models and sophisticated targeting logic into the bidding process to achieve optimal campaign performance
• Leverage Modern Technologies: Work with our evolving stack, including Go, Ruby on Rails, Aerospike, Redis, Elasticsearch, Kafka, Redshift, ScyllaDB, GraphQL, and other emerging technologies
• Ensure Efficiency: Write performance-efficient, memory-optimized code and continually refine services for reliability, scalability, and speed
• Data-Driven Insights: Partner with analytics and data engineering to build and optimize reporting systems that surface actionable insights for our clients’ user acquisition campaigns

Requirements:

• 5+ years of experience as a Backend Software Engineer, with exposure to large-scale distributed systems and data pipelines in a mobile user acquisition environment
• Strong Problem-Solving: Demonstrated expertise in algorithms, data structures, and complex system design—comfortable tackling low-latency, high-throughput challenges
• Database Mastery: Experience working with both relational and NoSQL databases (e.g., Aerospike, Redis, ScyllaDB) for storing and retrieving large volumes of data
• Microservices & Messaging: Hands-on experience with building microservices and using message queues (Kafka, SQS, Kinesis) to handle massive event streams in real time
• Performance Focus: Proven track record of writing highly optimized, scalable code in Go or similar languages
• Team Player: Excellent communication skills and ability to collaborate in a cross-functional, globally distributed environment