Data Platform Engineer (Elasticsearch)

Job Description

Job Description :

We're looking for a Data Platform Engineer (Elasticsearch) to support the migration of systems from Elasticsearch 7.17 to 8.x. The role involves refactoring Java-based services, ensuring index compatibility, and preparing a production-ready upgrade strategy. You will work closely with Software Engineers to modernize legacy components and improve the resilience of our search infrastructure.

Responsibilities :

Participate in onboarding sessions and regular syncs with internal stakeholders

Replace Transport Client with the new Java REST Client in all listed services and applications

Refactor legacy query generation and execution logic to support REST-based communication

Develop a custom wrapper to preserve existing Transport Client interfaces

Update TLS configuration from 2-way to 1-way TLS

Assess and upgrade all indices to ensure compatibility with Elasticsearch 8.x

Research and validate compatibility of custom Elasticsearch plugins

Prepare a detailed cluster upgrade runbook

Perform test upgrade of staging clusters from Elasticsearch 7.17 to 8.x

Requirements :

At least 3 years of experience as a Software Engineer or DevOps Engineer

Java programming skills

Experience with Git, Jenkins Pipelines, and Docker

Solid understanding of Elasticsearch architecture and upgrade strategies

Offer : 100% remote work

110 – 130 PLN / h + VAT (B2B via Experis)

MultiSport Plus

Group insurance

Medicover Premium

e-learning platform

Company Description

Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.