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Senior Distributed Systems Engineer / Tech Lead

Poland🌐 Remote💼 Full-time🗓 2026-07-28 → 2026-09-26

Core

Design and lead implementation of high-performance, scalable distributed systems for real-time ad bidding and display, processing over 20 million requests per second.

Role type

Senior Distributed Systems Engineer / Tech Lead

Builds

Real-time ad bidding platform and display/tracking infrastructure

Domain

AdTech / Real-Time Bidding / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed systems architecture, High-performance system design, Concurrent programming, System observability, Performance analysis, HTTP/gRPC protocols, Java, Python, Kubernetes, Cloud infrastructure (GCP)

Preferred skills

AdTech/RTB domain experience, Real User Monitoring (RUM) systems experience

Technologies

Java, Python, Aerospike, Memcached, Google Cloud Platform, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite

Responsibilities

Design and lead system changes for performance and scalability, Implement and maintain HTTP/gRPC services and batch jobs, Provide hands-on technical leadership and code reviews, Monitor and analyze production system operations, Optimize critical user performance metrics

Seniority

Senior, hands-on IC with Tech Lead responsibilities

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