Java Developer
Proxet Poland
Athens, Greece
πριν από 2 μέρες
source : Just Join IT

Netty (nice to have)

Lucene (nice to have)

Java11 (nice to have)

Concurrency (nice to have)

Big Data (nice to have)

Avro (nice to have)

APACHE MINA (nice to have)

Amazon (nice to have)

Aerospike (nice to have)

Roku Demand Side Bidding (aka DSP / RTS) DataXu is an omnichannel media management platform, which uses powerful machine learning algorithms to automate media and optimize campaign results a large part of the system built and supported by Proxet (formerly RailsReactor).

DataXu came to us in 2010, when their growth compelled them to augment their engineering team with expert external assistance.

The DataXu platform is a highly scalable, low-latency system that evaluates opportunities to bid in auctions for ad space in real time.

In peak traffic, it handles in excess of 2.5 million requests per second with a 95th percentile latency in the tens of milliseconds and is integrated with dozens of ad exchanges.


  • Expert Knowledge of Core Java;
  • Experience developing high scale and high-performance distributed systems;
  • Good understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming;
  • Product-focused mindset;
  • Team player with strong interpersonal skills;
  • English upper-intermediate or above.

  • Experience with cache optimization, distributed cache, and NO SQL DB is a plus;
  • Experience with Big Data and AWS services is a plus;
  • Experience in the advertising domain is a big plus.

  • Work with a highly skilled engineering team in all phases of the Agile development process, from design to deployment;
  • Design, develop, and maintain a high scale, high-performance real-time application;
  • Work with quality assurance, release engineering, and product management to deliver quality software;
  • Identify, design, and implement improvements to the current architecture. This may include : improving internal processes, automating manual processes, optimizing data delivery, reducing cost, re-designing infrastructure for greater reliability, etc;
  • Take your own initiative in the development process and working atmosphere improvements, be proactive in suggesting new vision and approaches to the platform development;
  • anticipate problems or issues solutions that may arise;
  • Deliver constant value back to the business in a highly agile team approaching near-continuous deployment.
  • Αναφορά αυτής της εργασίας

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