N-ix

Middle\Senior Backend Engineer (Kafka, Java, ELK)

Ukraine Full Time

We are looking for an experienced Backend Engineer to join a well-established development team working on large-scale event-driven systems.

Our client is an integrated shipping services company that has established itself as an independent carrier with a fresh and innovative approach to global logistics. The company operates a smart and efficient worldwide network, delivering reliable shipping services and ensuring stable operations for customers across the globe.

In this role, you will design and build event-driven solutions using Kafka and related technologies, focusing on stream processing applications, data pipelines, and monitoring solutions built with the ELK stack.

Responsibilities:

  • Design and develop event-driven architectures using Apache Kafka and Kafka Streams;
  • Build and maintain stream processing applications and data pipelines;
  • Design and implement ELK pipelines, indexes, dashboards, and alerts;
  • Lead architecture discussions and contribute to the design of Kafka-based event streaming systems;
  • Configure Kafka connectors and manage Kafka topics;
  • Develop scalable event-based processing applications according to architecture and design specifications;
  • Support development and QA teams throughout the software development lifecycle;
  • Contribute to monitoring, observability, and reliability of streaming platforms.

Requirements:

  • 4+ years of experience building Kafka-based applications;
    • Strong experience with Kafka ecosystem components:
    • Kafka Streams (including Processor API)
    • Kafka Connect
    • Schema Registry
  • 4+ years of experience with Java and Spring, implementing Kafka Streams applications;
  • Hands-on experience with the ELK stack (Elasticsearch, Logstash, Kibana) for monitoring and observability;
  • Experience with Logstash Configuration Language (LCL) for configuring pipelines (inputs, filters, outputs);
  • Solid knowledge of SQL and Oracle PL/SQL, including query optimization;
  • Experience working with REST APIs;
  • Experience using Kafka CLI tools and REST APIs for managing Kafka resources;
  • Experience working in Linux/Unix environments;
  • Experience with IntelliJ IDEA;
  • Experience contributing to DevOps processes for Kafka and ELK.

Nice to Have:

  • Experience managing and maintaining ELK servers;
  • Experience with Confluent Kafka Cloud;
  • Experience with Python;
  • Exposure to AI/ML-related projects.

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits

*not applicable for freelancers