Senior Software Engineer - Query Engine & Database Systems

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. The Team: The Engine Orchestration team builds and operates the distributed services that run, scale and balance the analytical query engines. We are the layer that turns a customer's model into something they and their AI agents can query interactively using our Process Query Language across enterprise-sized datasets. The team actively evolves our new premium query engine, collaborating with multiple other teams across time zones. New features, improved operationability, robust security, and allowing for scalable customer workloads are ours to design and ship. Our defining program right now is a multi-year migration of the query engine that has powered Celonis for years onto our new premium query engine. It is one of the largest and highest-leverage engineering efforts in the company. The Role: We are looking for a Senior Software Engineer to lead both the engineering that evolves the new premium query engine and the execution of milestones within the migration program that moves customer workloads onto it. This is not a lift and shift. The two query engines evolved with different focus areas and the new premium query engine serves different forward looking use cases, so the job is keeping customer workloads running seamlessly thro

JOIN OUR TEAM As a Senior Software Engineer , you will play a key role in shaping and evolving our order management and commerce platform with Fluent Commerce at its core. You will design and build workflows, integrations, and platform extensions that reliably power the journey of millions of customer orders. Working across Fluent Commerce, Java-based services, APIs, and our wider e-commerce ecosystem, you will take ownership of complex features end-to-end, from specification and architecture through to delivery, monitoring, and continuous improvement. Collaborating with Product and Engineering teams, you will combine strong technical judgment with a deep understanding of order management and distributed systems to build solutions that are scalable, resilient, and easy to evolve. Your curiosity for emerging technologies and AI-assisted development will help the team work smarter, ship faster, and continuously improve how we build and operate our commerce platform. This position is permanent and based in Munich . WHAT YOU'LL DO Design, build, and maintain solutions on the Fluent Commerce platform, taking end-to-end ownership from architecture to production release and maintenance Design and evolve Fluent Commerce workflows, rules, events, and orchestration logic supporting order management, fulfilment, and inventory processes Develop custom Fluent Commerce rules using the Rules SDK and Java, keeping business logic modular, testable, and maintainable Build and extend integrations between Fluent Commerce and our wider e-commerce landscape using GraphQL, REST APIs, webhooks, events, and other integration patterns Own the reliability and performance of order-management flows, handling failure scenarios, retries, idempotency, and observability Work closely with Product and Engineering teams to translate business requirements into technical designs, build AI-powered capabilities, and champion engineering quality through automated testing, code reviews, and documentation YO

JOIN OUR TEAM As a Senior Software Engineer on our Web & API team, you will play a key role in shaping and evolving our e-commerce storefront. Working across the full stack, from React components and data integrations to AI-powered features, you will take ownership of complex features end-to-end, from specification and architecture through to delivery and monitoring. In close collaboration with Product and Design in an agile environment, you will combine a keen eye for performance with a drive to build experiences that delight millions of customers. Your curiosity for emerging technologies will help the team work smarter, ship faster, and continuously push the boundaries of what is possible. This position is permanent and based in Munich . WHAT YOU'LL DO Design, build, and maintain features end-to-end across the storefront and mobile API, from specification through server-side data loading and UI to production release and maintenance Build and extend integrations with our e-commerce, headless CMS, search, analytics, and experimentation platforms Build AI-powered user-facing features, directing and reviewing AI coding agents in your own and the team's workflow while owning the correctness, security, and maintainability of everything that ships Own the caching, rendering, and performance strategy for the storefront and mobile API Partner with Product Managers and Designers to turn business goals into performant, high-quality user experiences Champion code quality and reliability through testing, code reviews, and the conventions and context that keep the codebase healthy for both engineers and AI agents as it grows YOU COME WITH Deep expertise in React, TypeScript, and modern frontend development, backed by strong software architecture skills and solid engineering principles A sharp focus on performance across the stack, from frontend rendering to backend data fetching, including server-side rendering (ideally with React Router) and GraphQL Strong specification and ar

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. We are looking for a Backend Software Engineer (Java), mid to senior level, to join the Metadata Platform DB team. This team owns Postgres end-to-end - from infrastructure and provisioning to the software layer that sits on top of it - and is looking for someone to help maintain and grow that ecosystem. The Team Metadata Platform DB owns Postgres provisioning and infrastructure as code, along with a set of Java (and one Rust) components built around it, including a core client library, a database proxy, a schema management tool, and a fork of an open-source sharding solution. The Tech Stack Cloud Infrastructure: Cloud-native platform, expanding beyond current AWS and Azure dependencies toward provider-agnostic deployment. Core Technologies: Java, Postgres. Infrastructure as Code: Terraform, a Go-based operator. Systems components: Rust (database proxy). Containerization: Kubernetes. DevOps: Kustomize, GitHub CI, ArgoCD/Kargo, Datadog for metrics/logs/APM. The Work You'll Do Take ownership of one or more Java components in the Postgres ecosystem, including newly onboarded ones. Work alongside the infrastructure-as-code side of the stack (Terraform, operators) to understand how your components are provisioned and operated. Improve rel

About the Team The Applied AI Engineering team is responsible for helping customers turn frontier AI capabilities into real products, workflows, and business impact. We act as trusted technical partners across solution design, architecture, implementation, evaluation, and adoption, working alongside customers to build and scale effective AI applications with OpenAI’s technologies. The Codex Applied AI Engineering team focuses on helping organizations transform how software is built with AI. We partner directly with engineering teams and technical leaders to integrate Codex into their software development lifecycle — from identifying high-impact use cases and designing AI-enabled workflows to implementation, evaluation, and scaled adoption. Our work helps ensure AI-powered software development is effective, reliable, secure, and deeply integrated into how engineering organizations operate. About the Role We are seeking an experienced technical leader to join as Manager, Applied AI Engineering (Codex) , leading a team of Applied AI Engineers responsible for driving successful Codex adoption across strategic customers. Your team will work hands-on with customer engineering organizations to design and build AI-enabled development workflows, solve complex implementation challenges, and establish scalable patterns for AI-powered software development. As a manager, you will shape how these technical engagements operate at scale — setting strategy, coaching engineers, determining where the team can have the greatest impact, and ensuring consistently strong execution across customers. You will serve as both a people leader and senior technical advisor, partnering closely with Sales, Product, Research, and Engineering to translate customer needs and real-world usage into better technical approaches, reusable patterns, and product insights. Success in this role will be measured by meaningful and sustained Codex adoption, successful customer outcomes, and the creation of repeat

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Smartsheet is looking for a Strategic Account Executive to join our EMEA organisation. You will be responsible for increasing software and services sales by expanding existing customers' adoption along with targeting new logo acquisition. This is an incredibly exciting opportunity to help build out a strategically important vertical for Smartsheet. You will work on a hybrid basis from Munich, Germany and will be reporting to the Senior Regional Director, Large Enterprise EMEA . You Will: Exceed quarterly and annual software and services sales quotas Lead primary and secondary account teams by partnering with Solution Engineering, Consulting, Customer Success, Customer Outcomes, Marketing and Sales Development Develop short and long-term growth and renewal strategies across your customer base Balance tactical execution whilst ultimately targeting complex, high-value solution-based deals Proactively develop unsolicited proposals that align with customer initiatives and position Smartsheet as an enterprise software solution provider Accurately forecast sales opportunities, while tracking and using critical metrics that predict sales success Perform other duties as assigned You Have: 5+ years of experience selling enterprise software or services Fluency in English & German is required Demonstrable track record of exceeding assigned quotas and receiving recognition for high-performance Demonstrable experience building relationships with senior line-of-business leaders, IT executives and operational managers within Enterpr