Fiksu DSP

Java developer (data engineer) (Fiksu DSP)

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  • Location
    Dnipropetrovsk, Dnipropetrovska Oblast', Ukraine
    Zaporizhia, Zaporizhia, Ukraine
  • Category
  • Employment type
    Full time


  • Java
  • Scala


Fiksu is looking for java developer to enhance their technical team.

Fiksu - leading provider of mobile app marketing products that help app and game marketers reach their user acquisition goals. The company's patent-pending Programmatic Mobile Demand Platform applies intelligent technology to proprietary big data to master ALL the challenges of mobile advertising - including tracking, optimization, media buying and integration.

"Must have" requirements:

  • strong software design skills, knowledge of common design patterns;
  • strong experience with highly loaded distributed applications in Java or Scala (thousand+ of requests per second, tens+ gigabytes of processed data per day);
  • experience with large distributed NoSQL databases;
  • experience with unit/functional/integration tests;
  • strong experience with Java8;
  • intermediate English (reading/writing, fluent speaking is not a requirement); 

"Desired skills":

  • experience with message oriented architecture and micro services;
  • experience with relational databases both transactional and analytical;
  • understanding of all stages of software development cycle and related automation tools;


"Nice to have" requirements:

  • experience with Scala applications;
  • experience with profiling of JVM applications and GC tuning;
  • experience with any of Kafka, AWS Kinesis, AWS SQS;
  • experience with any of Ignite, Flink, Storm, Flume, Kafka Streams;
  • experience with any of Docker, Spark, Mesos, Kubernetes;
  • experience with AWS Redshift;
  • experience with Ruby/Rails code and possibility support it in a short term.


  •  understand a large repository of code;
  • development of new features on Java;
  • identify bottlenecks and bugs in existing application, and devise solutions to these problems;
  • writing cost effective processing code for Big Data applications.


  • professional and friendly team;
  • competitive compensation depending on experience and skills;
  • challenging tasks;
  • ability to influence on project and technologies;
  • compensation for sick lists and regular vacations;
  • compensation of English classes and sport (50%).

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