Staff Software Engineer

The work you’ll do

• Identify and implement novel query optimization, transaction management, or distributed data processing algorithms in the Core Mining Engine
• Analyze and understand performance and scalability bottlenecks in the system and solve them
• Deal with issues from logical representations of the execution plan to efficient resource management, all the way down to highly parallel vectorized execution
• Design and implement critical high-performance systems to handle the ever-growing request rate on our database
• Evangelize best practices in database usage and end-to-end architecture
• Set an example for and mentor and grow your teammates
• Recognize and take action to improve the developer work environment
• Write clean, understandable, and testable code
• Provide feedback on the designs and code of peers
• Manage individual project priorities, deadlines, and deliverables
• Document development procedures, concepts and knowledge
• Build, launch, and maintain features in production
• Help define a fun and inclusive engineering culture

The qualifications you need

• BS in Computer science; Masters or Ph.D. preferred
• 8+ years of hands-on software engineering experience
• Significant background in database internals or building core components (query optimization, query execution, storage engines, transaction processing) for large-scale data processing systems (e.g., Starrocks, ClickHouse, etc)
• Experienced in programming with C++ (17)
• Have an analytical mind and a good understanding of complex data structures and algorithms in data management
• Have a curiosity about how things work and a desire to improve them

What Celonis can offer you

• Pioneer Innovation: Work with the global leader in Process Mining and the Process Intelligence Graph to shape the future of AI-driven business operations.
• Ownership from Day 1: Every full-time "Celonaut" is an owner, receiving Restricted Stock Units (RSUs) and merit-based refresh grants.
• Unrivaled Family Support: Benefit from our inclusive parental leave policy—24 weeks of fully paid leave for primary carers and 12 weeks for supporting carers, available from your first day of employment.
• Work-Life Integration: Enjoy Unlimited PTO (in applicable regions) and generous PTO globally, as well as a flexible hybrid work model that balances remote focus with vibrant office collaboration.
• Continuous Growth: Elevate your skills through our 70-20-10 learning framework, mentorship programs, and access to a dedicated learning platform.
• Holistic Well-being: Prioritize your health with subsidized Wellhub memberships, mental health counseling, and dedicated "Wellness Weeks" that prioritize work/life balance.
• Drive Sustainability: Participate in annual Impact Days, where you receive paid time off to volunteer for community and environmental causes with your local office, or virtually.
• Global Inclusion & Belonging: Find community through our Inclusion Think Tank and participate in our annual Inclusion Days, ensuring every voice is heard and valued.
• Value-Driven Impact: Join a mission-led organization where our core values—Live for Customer Value, The Best Team Wins, We Own It, and Earth Is Our Future—drive every decision.