Principal Engineer (R-20004)

Dun & Bradstreet; Dublin; On-site; EUR 120,000 - 150,000; Full time

Job summary

Dun & Bradstreet Ireland seeks a Principal Full-Stack Engineer to join the MDM team. You will contribute to D&B Connect, a strategic Master Data Management platform, delivering scalable web UI and integrations with CRM, Marketing, and Cloud Data Warehouse.

You will own end-to-end delivery across the stack, mentor engineers, and champion AI-enabled engineering practices to accelerate delivery and improve quality.

Qualifications

• Bachelor’s degree in Computer Science or related field is required.
• 12+ years of experience in managing and deploying commercial software products is expected.
• Experience building full-stack products with web frameworks, APIs, databases and multiple back-end languages.
• Proven track record delivering large-scale distributed systems and cloud-native architectures.
• Strong CI/CD discipline and proficiency with Maven, GitHub, Jenkins and Terraform.

Responsibilities

• Work across the full stack to build scalable distributed solutions and ensure positive user experiences.
• Collaborate with product and development teams to maintain product quality in an Agile environment.
• Deploy and manage data infrastructure on cloud platforms such as GCP or AWS.
• Demonstrate ownership during incidents and drive post-incident improvements.
• Provide technical direction and architecture guidance to the team.

Skills

Full-stack development

Distributed systems

Cloud platforms (GCP/AWS)

AI tooling (Copilot, Gemini, Claude)

CI/CD practices

Education

Bachelor’s degree in Computer Science or related fields

Tools

Maven

Github

Jenkins

Terraform

Job description

Our MDM team is seeking an experienced Principal Full-Stack engineer, to join an established engineering team. You will work on our D&B Connect application, a strategic self-service Master Data Management (MDM) platform that enables customers to cleanse, match, enrich, monitor, and manage their first-party data using D&B's Commercial Graph and D-U-N-S®-anchored data assets. This serves as our primary MDM customer-facing platform, accessed via web UI plus CRM, Marketing and Cloud Data Warehouse integrations with planned support for AI-driven headless access through MCP tools.

The Principal Engineer (Full Stack) is responsible for working across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth. This role needs to complete the assigned projects with end-to-end ownership.

Team Overview

Design and evolve enterprise-grade Master Data Management (MDM) platforms powering core business entities (e.g., customers, suppliers, leads, reference data)

Address challenges in data quality, identity resolution, integration, and governance at scale

Build highly available, resilient systems that support both real-time and batch workloads across global regions

Collaborate with product, data, and platform teams to transform business needs into scalable technical solutions

Our MDM team is seeking an experienced Principal Full-Stack engineer, to join an established engineering team. You will work on our D&B Connect application, a strategic self-service Master Data Management (MDM) platform that enables customers to cleanse, match, enrich, monitor, and manage their first-party data using D&B's Commercial Graph and D-U-N-S®-anchored data assets. This serves as our primary MDM customer-facing platform, accessed via web UI plus CRM, Marketing and Cloud Data Warehouse integrations with planned support for AI-driven headless access through MCP tools.

Key Responsibilities

• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Partner with development and product teams to ensure product quality in a fast-paced Agile environment
• Partner with SRE team to deploy and manage data infrastructure on cloud platforms such as GCP or AWS
• Demonstrate strong customer focus and end-to-end ownership of critical applications, including leadership during customer-impacting incidents and driving post-incident improvements
• Provide technical direction for the team by being an expert in technology, system design and architecture
• Deliver POCs (Proof of Concept) to quickly identify direction and gaps in proposed architecture and feature development
• Work closely with different teams to understand and implement the requirements to design and support their workflows.
• Work on complex requirements, and issues which required in-depth analysis.
• Proactively improve quality through collaboration, automation, process improvement and innovative thinking
• Champion the adoption of AI-enabled engineering practices, accelerating software delivery, improving quality, and increasing developer productivity across teams.
• Mentor and develop engineers through technical leadership, design reviews, coaching, and knowledge sharing.

Key Requirements

• Bachelor’s degree in Computer Science or related fields
• 12+ years of experience managing and deploying commercial software products
• Experience in building products across the full stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages.
• Proven experience building large-scale, distributed systems
• Proven experience managing solutions on GCP or AWS utilizing a broad set of the services available
• Expert in the Continuous Integration and Continuous Delivery
• Experience in performance engineering and optimizations
• Experience with Cloud based architecture, cloud native solutions and infrastructure/management, developing and handling of distributed systems
• Demonstrated experience leveraging AI tools such as Copilot, Cursor, Gemini, or Claude to improve engineering productivity, software quality, automation, architecture design, troubleshooting, and delivery outcomes.
• Strong communication skills (both oral and written)
• Show an ownership mindset in everything you do. Be a problem solver, be curious and be inspired to take action. Be proactive, seek ways to collaborate and connect with people and teams in support of driving success.
• Demonstrated growth mindset with a commitment to continuous learning, mentoring, technical leadership, and professional development.
• Proven excellence with Java and/or Scala, Python, Spark/PySpark and scripting languages
• SDLC-tooling experience with Maven, Github, Jenkins, Terraform

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please visit https://bit.ly/3LMn4CQ.