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From the employer's careers site First seen 26 Oct 2026

Guidewire Rating Developer

Aviva Hybrid senior full-time

Salary

$85,000 to $105,000 per year

Apply on Aviva

Description

As a Guidewire Rating Developer at Aviva, you will contribute to the design, development, and maintenance of rating logic and rating‑related components within Guidewire PolicyCenter.

You will collaborate with senior developers, architects, and actuarial partners to support modernization and cloud transformation initiatives while ensuring consistent, high‑quality delivery.

Responsibilities:

  • Develop and maintain rating worksheets, rating engines, modifiers, and rating artifacts within Guidewire PolicyCenter.
  • Configure, write, package, and deploy GOSU code, rating logic, product model changes, and rating tables.
  • Collaborate with business and actuarial teams to understand rating requirements and implement accurate, maintainable solutions.
  • Support and maintain integrations related to rating inputs and outputs.
  • Participate in peer code reviews to ensure quality, consistency, and adherence to best practices.
  • Support QA with rating‑focused test cases, defect resolution, and validation of rating scenarios.
  • Troubleshoot and resolve issues in rating logic, product model, and connected rating components.
  • Participate in Guidewire Cloud upgrades by validating rating behaviour and completing required adjustments.
  • Monitor system and rating performance and help identify areas for improvement.

Requirements:

  • Bachelor’s degree in Computer Science, Computer Engineering, or related fields.
  • 3-5 years of proven experience in Guidewire Development, ideally with hands‑on PolicyCenter rating experience.
  • Expertise in GOSU Language, configuration and coding using Guidewire tools and accelerators.
  • Experience with Agile software development, including Git, Bitbucket, Jenkins, Jira, Confluence, etc.
  • Domain knowledge of Property & Casualty Insurance.
  • Experience with multiple programming languages such as C#, Java, Python, etc.

Nice to have:

  • Guidewire Ace Certification.
  • Guidewire Integration/Claim Center/Billing Center Configuration Knowledge.
  • Experience writing automated GUnit tests for rating logic.
  • SQL skills and familiarity with relational databases.

What you'll get:

  • Salary band: $85,000 to $105,000.
  • Compelling rewards package, including base compensation, eligibility for annual bonus, retirement savings, share plan, health benefits, personal wellness, and volunteer opportunities.
  • Outstanding Career Development opportunities.
  • Competitive vacation package with the option to purchase 5 extra days off per year.
  • Employee-driven programs focused on diversity and inclusion.
  • Corporate wellness programs to support physical and mental health.
  • Hybrid flexible work model.

Skills

Required

  • Guidewire Development
  • GOSU Language
  • Agile software development
  • Property & Casualty Insurance
  • C#
  • Java
  • Python

Nice to have

  • Guidewire Ace Certification
  • Guidewire Integration/Claim Center/Billing Center Configuration Knowledge
  • GUnit tests
  • SQL

Ready to apply?

You apply with the employer directly. Their original posting is here: https://aviva.wd1.myworkdayjobs.com/en-US/External/job/Markham/Guidewire-Rating-Developer_R-166858

Apply on Aviva