Software Development Engineer Intern Jobs in Appleton, WI

Summary

Responsible for designing, developing, and delivering software solutions that support Jewelers Mutual’s products and services. As a contributing member of a cross-functional Agile team, this role participates in all phases of the development lifecycle—from design and implementation through testing and production support—while growing technical expertise and collaborating closely with peers and stakeholders.
Why Jewelers Mutual
Since 1913 we’ve been committed to supporting the Jewelry industry and putting customers at the center of everything we do. With over a century of trusted expertise, we’re financially strong, forward-thinking, and driven by curiosity. Guided by our core values of Agility, Accountability, and Relevancy, we lead through innovation.
As a technology focused organization, we embrace cutting-edge tools and data-driven insights to continuously improve our products, services, and customer experience. Our mission is to be the industry’s most trusted advisor by investing in our people, adopting new technologies, and striving for excellence.
We’re dedicated to fostering growth through collaboration, powered by bold thinking, teamwork, and the passion of our people.
What You'll Do 

• Design, develop, test, and deliver software features across one or more platforms, following established engineering standards and best practices.
• Collaborate with product owners, architects, and team members to understand requirements and translate them into clean, maintainable code.
• Participate actively in Agile/Scrum ceremonies including sprint planning, stand-ups, retrospectives, and backlog refinement.
• Utilize AI-assisted development tools (e.g., GitHub Copilot) and modern CI/CD pipelines to improve code quality and delivery speed.
• Write and maintain automated tests (unit, integration) and support QA efforts to ensure reliable, high-quality releases.
• Contribute to code reviews, providing and receiving constructive feedback to uphold team coding standards.
• Identify and address bugs, performance issues, and technical debt within assigned areas of the codebase.
• Collaborate with senior engineers and architects on design decisions; escalate blockers and complex issues appropriately.
• Ensure software meets security, accessibility (WCAG), and compliance requirements throughout the development process.
• Continuously develop technical skills and stay current with emerging technologies, frameworks, and industry best practices.
  

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Minimum Qualifications 

• Bachelor’s degree in Computer Science, Software Engineering, or a related field; equivalent work experience considered.
• 3+ years of professional software development experience delivering production-grade applications.
• Proficiency in one or more modern languages such as Java, C#, Python, TypeScript, or Go; experience building or consuming RESTful APIs.
• Working knowledge of cloud platforms (AWS, Azure, or GCP) and familiarity with containerization (Docker, Kubernetes).
• Solid understanding of Agile/Scrum methodologies, version control (Git), and CI/CD fundamentals.
• Ability to write clean, well-tested code and participate meaningfully in code reviews.
• Good verbal and written communication skills; able to articulate technical work to teammates and stakeholders.
• Strong analytical and problem-solving skills with attention to detail and ability to manage assigned work independently.
  

Preferred Qualifications 

• Experience with Guidewire (PolicyCenter, BillingCenter, or ClaimCenter) or other insurance platform technologies.
• Familiarity with AI-assisted development tools or exposure to LLM-powered features in enterprise applications.
• Experience with Salesforce development (Apex, LWC) or Ratabase rating systems.
• Exposure to microservices, event-driven architecture, or distributed systems patterns.
• Knowledge of insurance industry domain or regulatory compliance requirements.
• Relevant certifications (AWS Certified Developer, Azure Developer Associate, Certified Scrum Developer, etc.).

What We Offer You

• Competitive Compensation & Benefits: Includes performance bonuses, generous paid time off, and a top-tier retirement program with 401(k) matching and additional company contributions.
• Collaborative Culture: Work alongside talented, passionate peers who value ownership and continuous learning.
• Community & Giving: Benefit from 50% charitable gift matching and paid volunteer time to support nonprofit causes
• Great Place to Work® Certified: Join a team recognized for an environment of innovation and growth.
  

Accessibility and Accommodations
We are committed to providing an inclusive and accessible recruitment process. If you require accommodation at any stage of the application or interview process, please let us know by contacting jmrecruiting@jminsure.com.