{"id":3635408,"url":"https://alion.io/job/celonis-senior-software-engineer-data-core","title":"(Senior) Software Engineer - Data Core","company":{"id":133,"name":"Celonis","domain":"celonis.com","url":"https://alion.io/company/celonis","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":80,"open_postings":31,"ghost_share":0,"stale_share":0.613,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Munich, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"C++","optional":false},{"name":"ClickHouse","optional":false},{"name":"Databricks","optional":false},{"name":"Digital Twin","optional":false},{"name":"ETL/ELT","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Snowflake","optional":false},{"name":"Spark","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"StarRocks","optional":false},{"name":"Trino","optional":false}],"status":"live","first_seen_at":"2026-11-02T16:42:01Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-03T19:56:24Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Celonis is the trusted platform to industrialize Enterprise AI. At our core is the Celonis Context Model - which combines process data, business knowledge, and intelligence into a living digital twin of the enterprise that AI can actually understand, turning AI's operational blind spots into operational clarity. World's leading companies trust Celonis and its global ecosystem of partners to make their AI agents, people, systems, and processes work together, achieving transformational outcomes. We believe there's a massive opportunity to unlock global productivity and sustainability by giving AI the context to understand how every business process really works. Join our mission to make processes work for people, companies, and the planet.\nThe Team\nData Core is the storage abstraction layer behind Celonis' data pipelines. It sits between ETL workloads and the backends that run them, such as Databricks, Snowflake, StarRocks, Spark, and PostgreSQL. You will work mainly on three codebases:\nData Core, a Java / Spring Boot service with gRPC and message-queue APIs.\nsqlglot, where we translate and optimize SQL across dialects.\nStarRocks, the OLAP engine we use as a backend.\nWhat You Will Do\nImplement features and fix bugs in Data Core backend integrations.\nAdd and fix sqlglot dialect support: parsing, SQL generation, and transpilation correctness.\nInvestigate StarRocks behavior and compatibility issues, and contribute fixes or workarounds.\nDebug slow or incorrect queries by following them from SQL text to query plan to results.\nWrite unit and integration tests, especially for SQL translation edge cases.\nTake part in design discussions, write short design docs for your own work, and give and receive code reviews.\nAs a Senior: lead small to medium projects end to end and help onboard newer teammates.\nWhat We Are Looking For\nSolid Java, or strong Python with the willingness to work in Java daily.\nGood SQL skills: joins, aggregations, window functions, and an understanding of how queries execute.\nFamiliarity with at least one analytical or distributed data system (for example Spark, Snowflake, Databricks, Trino, ClickHouse, or StarRocks).\nGood testing and debugging habits.\nClear written and spoken communication, and a habit of asking questions early.\nStrong Plus\nExposure to how SQL parsers, ASTs, or query planners work.\nContributions to open source projects, especially sqlglot or StarRocks.\nExperience with gRPC, message queues, or Kubernetes.\nSome C++ experience.\nInterest in query optimization and database internals.\nWhat Celonis can offer you:\nPioneer Innovation:Work with the global leader in Process Mining and the Process Intelligence Graph to shape the future of AI-driven business operations.\nOwnership from Day 1:Every full-time \"Celonaut\" is an owner, receiving Restricted Stock Units (RSUs) and merit-based refresh grants.\nUnrivaled 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.\nWork-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.\nContinuous Growth:Elevate your skills through our 70-20-10 learning framework, mentorship programs, and access to a dedicated learning platform.\nHolistic Well-being:Prioritize your health with subsidized Wellhub memberships, mental health counseling, and dedicated \"Wellness Weeks\" that prioritize work/life balance.\nDrive 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.\nGlobal Inclusion & Belonging:Find community through our Inclusion Think Tank and participate in our annual Inclusion Days, ensuring every voice is heard and valued.\nValue-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.\nAbout Us:\nCelonis is the trusted platform to industrialize Enterprise AI, empowering organizations to analyze, design, and operate AI-driven processes. The Celonis Platform is powered by the Celonis Context Model, which combines process data, business knowledge, and intelligence to create a living digital twin of the enterprise that AI can understand - turning AI’s operational blind spots into operational clarity. Industry-leading companies around the world trust Celonis and its global ecosystem of partners to make their AI agents, people, systems, and processes work together, achieving transformational outcomes. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.\nGet familiar with the Celonis Process Intelligence Platform by watching this video.\nCelonis Inclusion Statement:\nAt 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.\n\nYour Privacy:\nAny information you submit to Celonis as part of your application will be processed in accordance with Celonis’ Accessibility and Candidate Notices\nBy submitting this application, you confirm that you agree to the storing and processing of your personal data by Celonis as described in our Privacy Notice for the Application and Hiring Process.\nUse of Artificial Intelligence Tools\nWe rely on an artificial intelligence tool to match the information from your resume to the relevant Celonis job descriptions. This processing is limited to the information provided in your resume or in your candidate profile. The tool produces a match score per candidate for a role, suggests preliminary ranking, and provides recommendations.\nThe tool is only used for support in parts of the job application process, including to facilitate the identification of the relevant Celonis Jobs for candidates and recruiters. All final decisions are made by hiring managers and the Celonis talent acquisition team. Hiring managers and HR specialists use this tool responsibly, are aware of the risk of potential bias, and are equipped to mitigate it.\nPlease be aware of common job offer scams, impersonators and frauds. 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Docs: https://alion.io/developers"}}