# Staff Software Engineer

**Company:** [Celonis](https://hotfix.jobs/companies/celonis)
**Location:** Redwood City, US, CA, New York, US, NY
**Role:** Backend Engineering
**Salary:** $194k – $260k/yr
**Experience:** 8+ years
**Skills:** C++, database internals, query optimization, query execution, storage engines, transaction processing, distributed data processing, vectorized execution, Data Structures, Algorithms
**Posted:** 2026-07-22

> Staff Software Engineer building high-performance core mining engine and query engine for Celonis Process Intelligence platform. Develop novel algorithms for query optimization, transaction management, and distributed processing in modern C++ on large-scale data systems.

## Job Description

## 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.

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