Our StoryUnum 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 ResponsibilitiesEnd-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 SkillsProficiency in full-stack development (e.g., JavaScript/TypeScript,, 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 Have10+ 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 QualificationsSalesforce 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.#LI-SF1#LI-Hybrid#HybridWhat We OfferOur 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