Senior Application Engineer

Posted Thursday, February 26, 2026 at 5:00 AM

For more than 170 years, The Hanover has been committed to delivering on our promises and being there when it matters the most. We live our values every day, demonstrating we CARE through our values, Sustainability initiatives and inclusive corporate culture .

We are seeking a highly skilled and experienced Senior Application Engineer to join our software development team in our Worcester office. This role offers flexibility and can be performed fully in-office or hybrid. Remote work location will be considered.

In this role, you will play a crucial part in designing, developing, and maintaining high-quality software solutions. You will participate in all phases of the software development lifecycle from requirements gathering to deployment and maintenance.

This is a full time, exempt role.

• 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.
• Mentor junior developers and provide technical leadership.
• Contribute to engineering standards, best practices, and process improvements.
• Build knowledge of P&C insurance concepts, business processes, and Hanover systems.

• Bachelor’s degree in Computer Science or related field OR 7+ years of professional software development experience.
• Strong work ethic, prioritization skills, and attention to detail.
• 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 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 Git Hub 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.

It’s not just a job, it’s a career, and we are here to support you every step of the way. We want you to be successful and fulfilled. Through on‑job experiences, personalized coaching and our robust learning and development programs, we encourage you – at every level – to grow and develop.

We offer comprehensive benefits to help you be healthy, build financial security, and balance work and home life. At The Hanover, you’ll enjoy what you do and have the support you need to succeed.

Benefits include:

• Medical, dental, vision, life, and disability insurance
• 401K with a company match
• PTO
• Cultural Awareness Day in support of IDE
• On‑site medical/wellness center (Worcester only)

The Hanover values diversity in the workplace and among our customers. The company provides equal opportunity for employment and promotion to all qualified employees and applicants on the basis of experience, training, education, and ability to do the available work without regard to race, religion, color, age, sex/gender, sexual orientation, national origin, gender identity, disability, marital status, veteran status, genetic information, ancestry or any other status protected by law.

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