C++ Senior Software Engineer

We're Celonis, the global leading Process Mining software company and one of the world's fastest-growing SaaS firms. We believe that every company can unlock its full execution capacity - and for that, we need you to join us as a Senior Software Engineer.

The Team:

Celonis USA is the fastest-growing division of one of the world’s fastest-growing companies. Come join us on the ground floor with a friendly team led by experienced ex-FAANG coworkers in the Core Mining and Query Engine team. The Core Mining Engine enables our customers to interactively execute process mining over enterprise-sized data sets. In order to handle the strong growth of our customer base and their demands we heavily invest in the performance and scalability of the Core Mining Engine.

Join us if you want to grow in your engineering knowledge, your career and leave your mark on a rapidly growing company.

The Role:

We are looking for senior backend developers who enjoy building systems with the capability to manage big data. Within our Query Engine and Core Mining teams, we are looking for a senior C++ Software Engineer, who develops and implements new features and algorithms for our core engine and increases the reliability and performance of existing components. With your general knowledge of working with modern C++, coupled with experience in developing high-performance large-scale data processing systems, you will create new, innovative algorithms and operators for our query engine.

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
• 3+ 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., Apache Doris, 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