Full-Stack Software Engineer (Backend Leaning)

Celonis; Madrid; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading SaaS company in Madrid is seeking a Full Stack Software Engineer to develop and maintain backend services using Java and Spring Boot. The role involves collaboration on microservice design and managing CI/CD pipelines. Ideal candidates should have at least 3 years of experience, strong Java skills, and a proactive mindset. This position offers a hybrid work model and opportunities for career growth.

Servicios

Generous PTO

Gym subsidies

Hybrid working options

Comprehensive benefits

Formación

• 3+ years of professional software engineering experience owning complex systems.
• Experience in developing backend services.
• Knowledge of CI/CD practices with GitHub Actions.

Responsabilidades

• Develop backend services in Java with Spring Boot.
• Collaborate on microservice design and service integrations.
• Deploy and manage applications on Kubernetes clusters.

Conocimientos

Java (Spring Boot)

RESTful APIs

Microservices

Angular

CI/CD pipelines

Kubernetes

Scrum

Excellent English communication

Herramientas

Datadog

RabbitMQ

Kafka

Jira

Descripción del empleo

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

About Us

We focus on delivering robust automation solutions for Celonis. Our mission is to maximize value realization for our customers by not only identifying process optimization but also realize the full potential of Celonis through our advanced automation capabilities. Our firm commitment is to ensure our solutions become integral to our customers\' daily operations, driving substantial and quantifiable business outcomes for them.

The Role

We’re looking for an experienced Full Stack Software Engineer — someone with strong ownership of end-to-end systems and eager to take on expanded responsibilities. You’ll design, build, and scale our core services, drive best practices, and mentor peers.

Key Responsibilities

• 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

Qualifications

• 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

Why join our team?

• Hybrid Flexibility: Balance focused remote work with in-office collaboration
• Career Growth: Clear path toward Level III and beyond
• Impact: Your designs and decisions directly shape product success
• Culture: Inclusive, feedback-driven, and autonomy-friendly

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.

Your Privacy

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