FullStack Software Engineer (Backend Leaning)

We are seeking an experienced Full Stack Software Engineer with ownership of end-to-end systems. You will design, build, and scale core services, drive best practices, and mentor peers., * Develop backend services in Java with Spring Boot and maintain and enhance existing systems

• Collaborate on microservice design and service integrations
• Implement and maintain frontend features using Angular
• Author, manage, and optimize CI/CD pipelines with GitHub Actions and ArgoCD
• Deploy and manage applications on Kubernetes clusters
• Instrument and monitor services with Datadog; define SLOs/SLIs and participate in on-call rotations during standard business hours (Mon-Fri)
• Partner with Product, DevOps, and QA to deliver end-to-end solutions
• Conduct code reviews, promote best practices, and mentor junior developers

• At least 3 years of professional software engineering experience owning complex systems
• Strong Java (Spring Boot) expertise with RESTful APIs and microservices
• Familiarity with RabbitMQ or Kafka message brokers, or similar systems
• Familiarity with Angular or equivalent modern SPA frameworks
• Familiarity with CI/CD pipelines using GitHub Actions and GitOps (ArgoCD)
• Some familiarity with Kubernetes deployments
• Comfort with Scrum, Kanban, and Jira-based planning
• Excellent English communication and a proactive, continuous-learning mindset
• Familiarity with GO, or strong willingness to learn

Nice-to-Have

• Experience with application monitoring and instrumentation tools such as Datadog
• Previous mentorship or informal tech-lead responsibilities

We're Celonis. We help companies reveal and fix inefficiencies they can’t see in their software system, enabling them to perform at levels they never thought possible.