Principal Solutions Engineer; Full Stack, Legacy & Cloud Platforms

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

Join Unum, a Fortune 500 employee benefits provider, to drive digital transformation and deliver innovative technology solutions.

As a Principal Solutions Engineer, you will architect and lead full-stack engineering initiatives across legacy, modern cloud-native, and Salesforce platforms. You will influence technical strategy, mentor teams, and collaborate with product, business, and engineering stakeholders to build scalable, integrated solutions that meet evolving business needs.

• Bachelor's degree in Computer Science or equivalent experience.
• 10+ years of enterprise software development, with significant experience in Salesforce.
• 4+ years in a technical‑lead or solution architecture role, designing complex, multi‑system environments.
• Demonstrated experience working across legacy systems and cloud‑native environments.

• Full‑stack development (JavaScript/Type Script, Node.js, React, Java/.NET, Python).
• Salesforce development (Apex, LWC, Visualforce) and API integration.
• Legacy architecture modernisation strategies.
• Cloud platforms (AWS, Azure, GCP), microservices, Docker, Kubernetes.
• CI/CD pipelines, Dev Ops tooling, modern software delivery practices.
• Data modelling, ETL, and integration across diverse systems.

• Salesforce certifications (Platform Developer II, Application Architect, System Architect).
• Cloud platform certifications (AWS Solutions Architect, Azure Architect).
• Agile methodologies and delivery team leadership.

• End‑to‑end solution architecture across front‑end, back‑end, legacy, and cloud platforms.
• Technical leadership: mentor engineering teams and establish best practices.
• Cross‑functional collaboration with Product, Business, and Engineering teams.
• Solution delivery from planning through deployment, ensuring quality and performance.
• Technology agility: evaluate and adopt emerging technologies.
• Legacy modernization: architect and guide legacy system evolution.

Unum offers a competitive benefits package including healthcare (vision, dental), disability insurance, performance‑based incentive plans, paid time off, 401(k) with up to 5% employer match and an additional 4.5% contribution.

Unum is an equal‑opportunity employer, considering all qualified applicants and employees for hiring, placement, and advancement, without regard to race, color, religion, national origin, age, genetic information, military status, gender, sexual orientation, gender identity or expression, disability, or protected veteran status.

Base salary range: $109,100 – $224,000. Additional compensation may include performance‑based incentive plans.