Principal Solutions Engineer (Full Stack, Legacy & Cloud Platforms)

Our Story
Unum Technology Centre in Carlow serves as a strategic software development and IT services centre supporting Unum, a leading provider of income protection in the US. Our team of IT professionals build solutions and critical business applications to digitally transform the way we do business.

We are seeking a highly adaptable and technically skilled Principal Solutions Engineer to join our team of Solution Architects. This strategic role demands a strong full-stack engineering background and the ability to lead solution design across a diverse technology landscape—from legacy applications to modern cloud-native platforms. You will play a key role in shaping technical strategy, driving innovation, and delivering scalable, integrated solutions that meet evolving business needs.

Key Responsibilities

• End-to-End Solution Architecture: Design and lead the implementation of robust, scalable solutions across front-end, back-end, legacy systems, and cloud platforms—including Salesforce and other enterprise technologies.
• Technical Leadership: Provide guidance across multiple technology stacks, mentor engineering teams, and establish best practices for development, integration, and deployment.
• Cross-functional Collaboration: Partner with Product, Business, and Engineering teams to ensure technical solutions align with strategic objectives and deliver business value.
• Delivery Oversight: Lead solution delivery from planning through deployment, ensuring quality, performance, and maintainability across systems.
• Technology Agility: Evaluate and adopt emerging technologies, pivoting across tools and frameworks as needed to meet business and technical requirements.
• Legacy Modernization: Architect and guide the evolution of legacy systems, integrating them with modern platforms and cloud services to ensure continuity and innovation.

Technical Skills

• Proficiency in full-stack development (e.g., JavaScript/TypeScript, Node.js, React, Java/.NET, Python).
• Experience with Salesforce development (Apex, LWC, Visualforce) and integration via APIs.
• Strong understanding of legacy architectures (e.g., monolithic applications, batch systems) and modernization strategies.
• Expertise in cloud platforms (e.g., AWS, Azure, GCP), microservices, and containerization (Docker, Kubernetes).
• Familiarity with CI/CD pipelines, DevOps tooling, and modern software delivery practices.
• Experience with data modeling, ETL, and integration across diverse systems and data sources.

Must Have

• 10+ years of experience in software engineering, with a strong background in full-stack development and enterprise solution design.
• 4+ years in a technical leadership or architecture role, with proven success delivering complex, multi-platform solutions.
• Demonstrated experience working across legacy systems and cloud-native environments.

Preferred Qualifications

• Salesforce certifications (e.g., Platform Developer II, Application Architect, System Architect).
• Certifications in cloud platforms (e.g., AWS Solutions Architect, Azure Architect).
• Experience with agile methodologies and leading cross-functional delivery teams.

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What We Offer
Our size and successful history in Carlow means we can offer you exceptional development and progression, supported by continual learning programs, IT Certifications & third level tuition reimbursement. We offer work-life-balance with flexible working arrangements (including hybrid) and initiatives in support of your well-being. Our attractive range of benefits and reward initiatives includes competitive compensation, 25 days annual leave, paid health insurance, pension scheme, annual performance-based bonus, paid maternity/paternity/adoptive leave, reward programs, and an opportunity to engage with charity and community activities.

Company:

Unum