Application Engineer (MA or REMOTE)

The Hanover Insurance Group is committed to delivering on their promises and maintaining a strong corporate culture. They are seeking an experienced Application Engineer to design, develop, and maintain high-quality software solutions while participating in all phases of the software development lifecycle.

Responsibilities:

• Design and develop highly reliable full‑stack solutions using React.js and Spring Boot
• Build new applications, prototypes, and proof‑of‑concept solutions
• Collaborate with cross‑functional teams including architects, business analysts, and QA engineers
• Own the design, coding, unit testing, deployment, and monitoring of the software you build
• Work closely with product owners, developers, and stakeholders to ensure alignment on solution delivery
• Translate business requirements into scalable, high‑performing systems
• Ensure code quality through unit testing, code reviews, and adherence to best practices
• Optimize application performance, security, and stability
• Participate in architecture and design reviews
• Participate in Agile/Scrum ceremonies and contribute to continuous improvement
• Contribute to engineering standards, best practices, and process improvements
• Build knowledge of P&C insurance concepts, business processes, and Hanover systems

Requirements:

• Bachelor's degree in Computer Science or related field OR 5 years of professional software development experience
• Strong work ethic, prioritization skills, and attention to detail
• 3-5 years of professional software development experience
• 3+ years of hands‑on full‑stack development experience (React + Java)
• Expert knowledge of Java and Spring Boot
• Strong knowledge of React.js
• Excellent communication skills
• Excellent problem‑solving and analytical abilities
• Ability to manage multiple priorities and tasks simultaneously
• Strong understanding of monitoring, observability, and application performance management
• Must be eligible to work in the US without requiring sponsorship now or in the future (i.e Lawful Permanent Residence or US Citizen)
• Experience with containerization (Kubernetes, Docker)
• Experience using GitHub Copilot or similar AI‑assisted development platforms
• Experience with CI/CD pipelines, automated builds, and deployments
• Familiarity with cloud platforms (AWS, Azure, or GCP)
• Experience with UX/UI concepts and front‑end best practices