Job offers
Development
Database Specialist
Opensearch/elasticsearch engineer

Opensearch/elasticsearch engineer

  • Remote, On-site, Hybrid
  • Prague
  • Full-time

Responsibilities

  • Design, implement, and maintain  OpenSearch  cluster in product solution.
  • Develop backend services and integrate with OpenSearch (GO, Python).
  • Optimize indexing, query performance, cluster health, and search relevance.
  • Implement and maintain ingestion pipelines (e.g., Logstash, Kafka, Beats, custom pipelines).
  • Troubleshoot cluster performance, reliability, and security.
  • Collaborate with team members to implement and improve product features


Qualifications

  • Hands-on experience managing OpenSearch or ElasticSearch clusters.
  • Programming skills in Go, Python or PHP
  • Understanding of search concepts: analyzers, aggregations, mappings, search tuning.
  • Experience with distributed systems, APIs, microservices, and REST.
  • Solid knowledge of Docker/Kubernetes
  • Familiarity with data ingestion tools and event-streaming technologies.


Nice to Have

  • Programming skills in Java, Kotlin or Node.js.
  • Experience with OpenSearch plugins or custom extensions.
  • Knowledge of security features (RBAC, IAM, encryption, TLS).
  • Experience with infrastructure-as-code (Terraform, Helm, Ansible).
  • Background in log analytics, observability, or large-scale data pipelines.
  • Good understanding of GIT
  • Curiosity in monitoring, security or SIEM systems