Distributed Systems Engineer (AdTech)

TL;DR

Distributed Systems Engineer (Java/Python): Designing and optimizing high-load modules for a real-time bidding platform with an accent on low-latency processing and system scalability. Focus on handling 24M+ queries per second, optimizing resource consumption, and ensuring production reliability.

Location: Remote (Poland) or hybrid in Warsaw or Cracow

Company

hirify.global is a global ad-tech company specializing in Deep Learning-powered marketing technologies for top brands and agencies.

What you will do

• Design and program system modules supporting over 24M queries per second with latency under 50ms.
• Optimize software for response time and resource consumption.
• Ensure the reliability and scalability of distributed solutions.
• Create performance and correctness tests for new system components.
• Analyze and integrate new technologies into production conditions.
• Develop tools for monitoring and analyzing production system operations.

Requirements

• Strong proficiency in programming and deep understanding of complex IT systems (hardware, software, and algorithms).
• Expert knowledge of fundamental Internet protocols (DNS, HTTP, cookies).
• Experience in creating concurrent programs and distributed systems.
• Practical ability to monitor, analyze, and draw conclusions from production system operations.
• Ability to critically analyze performance and remove bottlenecks in production.
• C1 level in English and Polish required.

Nice to have

• Experience with Java, Python, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, or Graphite.

Culture & Benefits

• Projects focused on extreme performance and high code quality (clean code and solid reviews).
• Collaboration within an interdisciplinary, self-sufficient team including DevOps and DB experts.
• Access to modern technologies in large-scale, high-impact projects.
• Flexible work arrangement: 100% remote or office-based in Warsaw or Cracow.
• Cooperation based on a B2B contract.