Senior Migration Engineer (Freelance)

About the client:

Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior Atlassian Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.

Responsibilities:

• Organise the migration of Slack and Atlassian from one company to another with data preservation 

Requirements: 

• 4+ years of experience as an Atlassian Engineer or a similar technical role.

• Proficiency with JCMA (Jira Cloud Migration Assistant) and CCMA (Confluence Cloud Migration Assistant).

• Ability to map custom fields, issue types, and complex workflows from the old instance to the new one without losing history.

• Skill in auditing 3rd-party marketplace apps (e.g., ScriptRunner, Tempo)

• Experience moving multiple workspaces into a single Slack Enterprise Grid org.

• Familiarity with Slack's Corporate Export tools and handling JSON/CSV data files.

• Experience with connecting Jira, Confluence, and Bitbucket "hooks" in the new Slack environment.

• Skills of configuring Okta, Azure AD, or Google Workspace with Atlassian Access and Slack.

• Experience with Python/Bash Scripting

• Deep SQL knowledge

• English level - upper intermediate or higher 

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