Senior MuleSoft Developer

Radisson Hotel Group is one of the world's largest hotel groups with ten distinctive hotel brands, and more than 1,500 hotels in operation and under development in 95+ countries. The Group’s overarching brand promise is Every Moment Matters with a signature Yes I Can! service ethos. People are at the core of our business success and future. Our people are true Moment Makers and together we bring the culture, spirit, environment and opportunities that empower you to be your best, every day, everywhere, every time. Together, we make Every Moment Matter.

Role purpose:
The Senior MuleSoft Developer is responsible for the design, delivery, and operational ownership of enterprise integration solutions that underpin Radisson Hotel Group’s core business platforms.

The role exists to ensure that integrations are robust, scalable, secure, observable, and production‑ready, with particular accountability for MuleSoft development, event‑driven integrations using Solace PubSub+, and the ownership of logging and monitoring platforms (OpenSearch and Grafana).

Expected outcomes:

• Stable, reusable, and well‑governed MuleSoft integrations
• Reliable event‑driven architectures supporting business‑critical flows
• Full operational visibility through owned logging and dashboards
• Reduced operational risk through strong engineering quality and observability

Roles/Responsibilities:

• Integration Design & Development
• Design, develop, test, and deploy APIs and integrations using the MuleSoft Anypoint Platform.
• Apply API‑led connectivity patterns (System, Process, Experience layers).
• Develop complex DataWeave transformations and robust error‑handling strategies.
• Contribute to integration standards, reusable assets, and best practices.

Event‑Driven Architecture

• Design and implement event‑driven integrations using Solace PubSub+ as the primary messaging and event platform.
• Apply enterprise messaging patterns including retries, idempotency, dead‑letter queues, and fault tolerance.
• Apply experience with other event or streaming platforms (for example Apache Kafka) where relevant.

API Documentation & Governance

• Define, maintain, and publish API specifications using Swagger / OpenAPI.
• Ensure APIs are documented, versioned, discoverable, and aligned with RHG API standards.
• Support API lifecycle governance, including versioning and deprecation.

Observability, Logging & Dashboards (Platform Ownership)

• Implementing logging strategy using OpenTelemetry.
• Deploy, maintain, and own OpenSearch for centralized logging and traceability across integrations.
• Deploy, maintain, and own Grafana for dashboards, alerting, and operational monitoring.
• Build dashboards covering integration health, throughput, latency, and error rates.
• Use telemetry and logs to proactively identify risks and support root‑cause analysis.

Enterprise Systems Integration

• Design and support integrations with enterprise systems, including SAP via MuleSoft connectors.
• Collaborate with Enterprise Architecture, SAP, infrastructure, and security teams to ensure aligned solutions.

Platform Support & Quality

• Participate in P1/P2 incident resolution and post‑incident reviews.
• Ensure integrations meet security, data protection, and compliance requirements.
• Apply secure coding practices and support audit and regulatory needs.

Job requirements and qualifications:

Location:

·       Madrid, Spain

Language skills:

·       Professional proficiency in English is required.

Mandatory Technical Skills

·       MuleSoft Certification required (Developer or Integration Architect). 

·       4–5+ years of hands‑on MuleSoft experience in an enterprise or mission‑critical environment. 

·       Strong proficiency with MuleSoft Anypoint Platform, including: 

·       Experience with build/deployment pipelines, e.g. Azure DevOps. 

·       Proven experience with event‑driven integration using Solace PubSub+.

·       Proven experience to deploy, maintain, and own OpenSearch for logging and traceability.

·       Proven experience to deploy, maintain, and own Grafana dashboards and alerting.

·       Hands‑on experience with API documentation using Swagger / OpenAPI. 

Additional / Advantageous Experience:

·       Experience with other event or streaming platforms (for example Apache Kafka).

·       SAP integration experience (SAP CPI or SAP via MuleSoft connectors).

·       Experience with automation and file‑based integrations (MoveIT, Couchdrop, SFTP).

·       Familiarity with Maven, Git/GitHub, and Linux environments

Professional & Behavioral Competencies:

·        Senior‑level problem‑solving and analytical skills.

·        Ability to work independently with minimal supervision.

·        High attention to quality, resilience, security, and operational impact.

·        Clear technical communication and documentation skills.

·        Strong collaboration skills across architecture, security, and infrastructure teams.

Education:

·        Degree in Computer Science, Information Technology, or equivalent professional experience.

·        MuleSoft certification is mandatory for this role.

The description of functions is merely indicative and not exhaustive. Accordingly, the employee shall perform any other duties inherent to the labour position and their professional group, in accordance with the company's directives.

Why Join Radisson Hotel Group?

Live the Magic of Hospitality - Be part of a team that creates exceptional experiences and memorable moments every day. Let your Yes I Can! spirit shine as you bring hospitality to life.

Build a Great Career - No matter your background or experience, we invest in your growth, learning, and career development—helping you reach your full potential.

Experience the Team Spirit - Join a workplace that’s inclusive, fun, and meaningful. We celebrate diversity, support one another and foster a sense of belonging through our Employee Resource Groups and inclusion initiatives.

Lead with Your Ambition - Your ideas, passion and drive matter! We empower you to make a difference—in hospitality, your community and beyond.

Enjoy Global & Local Perks - No matter where you’re located, you’ll enjoy exclusive global benefits - like special hotel rates for you and your loved ones at our hotels worldwide. Plus, you’ll have access to local perks and rewards tailored to your country, making your experience even more rewarding!

Enjoy benefits such as - up to 53% off your stay as a Team Member at over 1,500 Radisson Hotels worldwide
Guaranteed minimum of 30% off for your Friends & Family
Exclusive Discounts on Breakfast, Food & Beverage, Spa and more

Join us in shaping the future of hospitality! If you’re ready to bring your talent, energy, and passion, we’d love to hear from you.

Apply now and let’s make every moment matter.

We welcome applicants from all backgrounds, abilities, and experiences. If you need any adjustments during the application process, please let us know.