Senior Software Engineer - Process Query Language

Overview

We're Celonis, the global leader in Process Intelligence technology and one of the world's fastest-growing SaaS firms. We believe there is a massive opportunity to unlock productivity by placing AI, data and intelligence at the core of business processes - and for that, we need your help. Care to join us?

The Team

You will be part of a team that owns the design and implementation of our proprietary Process Query Language (PQL). We are continuously extending PQL with powerful OLAP and graph based capabilities that help our customers in analyzing complex data models, representing process digital twins of some of the world's largest enterprises.

The Role

For the Process Query Language squad of our Process Query Engine team, we are looking for a Software Engineer with the skills to build a market leading query language for process data models. As part of a talented engineering team, you will take ownership for the evolution of PQL to enable our customer in analyzing increasingly complex data models, take ownership for reliability and performance of customer-facing functionalities and ensure a best-in-class user experience.

The work you’ll do

• Design and implementation of new OLAP and graph based features for our query language
• Optimize the performance and robustness of language features
• Contribute to our roadmap and drive the evolution of PQL
• Communicate and coordinate with stakeholders and customers
• Take responsibility for functional and non-functional requirements
• Support and contribute to our development and maintenance processes

As Senior/Staff Engineer you’ll do additionally:

• Contribute to the design of our query and data architecture
• Mentor project teams and more junior engineers
• Lead projects and define technical roadmaps
• Take full responsibility from problems to solutions

The qualifications you need

• University degree in computer science or comparable education
• A user-centric and analytical mindset
• Experience with writing scalable, reliable, and testable software
• Experience or interest in query language design for relational and graph based data structures
• Experience in system programming, ideally Java or modern C++
• Solid knowledge of data structures and algorithms
• Understanding database systems and query concepts
• Understanding of compiler architectures is a plus
• Excellent communication skills in English, German is a plus

What Celonis Can Offer You

• Pioneer Innovation: Work with the leading, award-winning process mining technology, shaping the future of business.
• Accelerate Your Growth: Benefit from clear career paths, internal mobility, a dedicated learning program, and mentorship opportunities.
• Receive Exceptional Benefits: Including generous PTO, hybrid working options, company equity (RSUs), comprehensive benefits, extensive parental leave, dedicated volunteer days, and much more. Interns and working students explore your benefits here.
• Prioritize Your Well-being: Access to resources such as gym subsidies, counseling, and well-being programs.
• Connect and Belong: Find community and support through dedicated inclusion and belonging programs.
• Make Meaningful Impact: Be part of a company driven by strong values that guide everything we do: Live for Customer Value, The Best Team Wins, We Own It, and Earth Is Our Future.
• Collaborate Globally: Join a dynamic, international team of talented individuals.
• Empowered Environment: Contribute your ideas in an open culture with autonomous teams.

About Us

Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system-agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers to continuously realize significant value across the top, bottom, and green line. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.

Get familiar with the Celonis Process Intelligence Platform by watching this video.

Celonis Inclusion Statement

At Celonis, we believe our people make us who we are and that “The Best Team Wins”. We know that the best teams are made up of people who bring different perspectives to the table. And when everyone feels included, able to speak up and knows their voice is heard - that's when creativity and innovation happen.

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