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Modolit office in Budapest

Percona MYSQL Expert

Project: MySQL migration and cluster tuning. Contract Type: Short term (3-6 months), potential to turn into full time dev ops position

We work on innovative digital solutions for the U.S., Canadian, German, Swedish, and British markets — including e-commerce platforms (with up to €100 million annual turnover), high-traffic online magazines, interactive 3D software, and R&D projects — always focusing on long-term, strategic partnerships.

Join us and work in a team that develops secure, reliable and modern solutions for the healthcare sector! Our product adds encryption to emails, web forms and electronic signatures. It is a secure, HIPAA-compliant system trusted by healthcare professionals worldwide.

Key Responsibilities

  • Plan and execute the migration of existing Percona MySQL 5.7 instances to Percona MySQL 8.4 with minimal downtime
  • Analyze existing schema, stored procedures, queries, and configurations for compatibility with MySQL 8.4
  • Refactor and optimize database components as needed for the target environment
  • Set up, configure, and tune MySQL cluster for high availability
  • Implement and test replication, failover, backup, and recovery strategies
  • Monitor and optimize query performance, index usage, and configuration settings across the cluster
  • Document all procedures, changes, and configurations thoroughly for handoff to the internal team
  • Collaborate with DevOps, backend engineers, and QA to ensure a smooth migration and stable operation post-upgrade

Desired Qualifications

  • Proven experience migrating large-scale MySQL databases (5.7 to 8.x), preferably in production environments
  • Strong expertise in MySQL replication, clustering technologies, and HA setups
  • Deep understanding of performance tuning, query optimization, and index strategies
  • Familiarity with Puppet
  • Experience with Linux server environments and shell scripting
  • Proficient in creating migration plans, rollback strategies, and risk mitigation techniques
  • Experience with Linux server environments and shell scripting
  • Proficient in creating migration plans, rollback strategies, and risk mitigation strategies

What we offer

  • Opportunities for professional development
  • Friendly, modern work environment, great team, and agile workflow
  • Competitive salary — and we mean it. We’ll clarify what this means for both you and us from the beginning
  • Language learning support
  • A company with a long-term vision
  • Hybrid work model with flexible working hours

Hiring process

  • 1 round with Modolit
  • 2 rounds with our partner (technical and team fit)

If you’re interested in this position,

please send your CV to info@modolit.com and a few lines about yourself and why you’d like to work with us.

Best wishes, Modolit