Principal Engineer (R-20004)

Lever, Inc.; Dublin; On-site; EUR 150,000 - 190,000; Full time

Job summary

Lever, Inc. is seeking an experienced Principal Full-Stack engineer to join the MDM team and work on the D&B Connect platform.

You will own end-to-end features across the stack, delivering scalable, data-driven solutions that enable customers to cleanse, match and enrich master data while integrating with CRM, Marketing, and cloud data warehouses. The role requires deep expertise in Java/Scala, Python, Spark, and cloud platforms (GCP/AWS), with a track record of leading engineering efforts and

Qualifications

• Bachelor's degree in Computer Science or related field.
• 12+ years of experience managing and deploying commercial software products.
• Proven experience building large-scale distributed systems.
• Experience with cloud platforms, GCP or AWS.
• Strong CI/CD discipline and tooling experience.
• Proficiency in Java and/or Scala, Python, Spark/PySpark.
• Experience leveraging AI tools to improve productivity and quality.

Responsibilities

• Work across the full stack to build scalable distributed solutions.
• Collaborate with product and dev teams to ensure quality in Agile environments.
• Deploy and manage data infrastructure on cloud platforms (GCP/AWS).
• Provide technical direction and architecture leadership.
• Deliver POCs to validate architecture and feature development.
• Mentor engineers and lead code reviews.

Skills

Full stack

Java/Scala

Python

Spark/PySpark

CI/CD

Cloud platforms (GCP/AWS)

AI tools (Copilot, Gemini, Claude)

Leadership/mentoring

Excellent communication

Education

Bachelor’s degree in Computer Science or related

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 ourD&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-gradeMaster 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

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