CareerPlan

Senior Software Engineer, Guidewire BillingCenter

CT - Hartford, USFull-time$139k–$230k2026-10-12 → 2026-11-11

Core

Senior Software Engineer leading the migration from a mainframe-based billing platform to Guidewire BillingCenter, designing complex integrations, and providing technical leadership for high-impact billing modernization initiatives.

Role type

Senior Software Engineer (Technical Lead)

Builds

Guidewire BillingCenter solutions, billing and payment integrations, and cloud-hosted applications

Domain

Insurance (Property Casualty) / Billing & Payments / Mainframe Modernization

Required skills

Guidewire BillingCenter configuration and integration, Java, GOSU, AWS, mainframe systems knowledge, technical leadership, Agile/Scrum, CI/CD, automated testing, batch processing, event handling

Preferred skills

AI/ML capabilities in billing, cloud architecture design, mentorship, complex problem solving, stakeholder communication

Technologies

Guidewire BillingCenter, Java, GOSU, AWS, Mainframe

Responsibilities

Design and implement solutions for complex billing and payments problems; lead investigation and resolution of critical defects; act as a subject matter expert for BillingCenter; provide technical guidance and mentorship; drive the migration from mainframe to Guidewire; consult with users to define functional and technical specifications

Seniority

Senior, hands-on IC with leadership responsibilities