Senior Java Engineer position at a global AdTech market leader with opportunities to work on real-time advertising bidding systems, low-latency infrastructure, and GenAI research and development.
Requirements
5+ years of commercial software development experience with Java as the primary language
Deep knowledge of the Spring ecosystem (Boot, Data, MVC, Security, Cloud)
Strong practical experience with reactive/asynchronous programming (Spring WebFlux / Project Reactor)
Solid understanding of distributed systems, concurrency, and performance tuning at the JVM level
Strong verbal English skills at B2 level or higher
Commercial programming experience or strong familiarity with Go (Golang)
Hands-on experience with high-load and Big Data tools including Apache Kafka, ClickHouse, and Aerospike
Real-world experience or deep interest in LLMs and AI orchestration tools such as LangChain, LangGraph, or N8N
Familiarity with frontend development using ReactJS and TypeScript Benefits
Flexible work schedule with choice between fully remote or hybrid format
Stable monthly payments in USD via international B2B contracts
Opportunity to work on production infrastructure handling 1 trillion + daily requests
